IWMBrowser/iwmlib
IWMBrowser/iwmlib
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iwmlib/3rdparty/preload.js
Sebastian Kupke 80317c5026 Initial commit.
2019-03-21 09:57:27 +01:00

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/*!
* VERSION: 0.3.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine.plugin({
propName: "directionalRotation",
version: "0.3.1",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
if (typeof(value) !== "object") {
value = {rotation:value};
}
this.finals = {};
var cap = (value.useRadians === true) ? Math.PI * 2 : 360,
min = 0.000001,
p, v, start, end, dif, split;
for (p in value) {
if (p !== "useRadians") {
end = value[p];
if (typeof(end) === "function") {
end = end(index, target);
}
split = (end + "").split("_");
v = split[0];
start = parseFloat( (typeof(target[p]) !== "function") ? target[p] : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]() );
end = this.finals[p] = (typeof(v) === "string" && v.charAt(1) === "=") ? start + parseInt(v.charAt(0) + "1", 10) * Number(v.substr(2)) : Number(v) || 0;
dif = end - start;
if (split.length) {
v = split.join("_");
if (v.indexOf("short") !== -1) {
dif = dif % cap;
if (dif !== dif % (cap / 2)) {
dif = (dif < 0) ? dif + cap : dif - cap;
}
}
if (v.indexOf("_cw") !== -1 && dif < 0) {
dif = ((dif + cap * 9999999999) % cap) - ((dif / cap) | 0) * cap;
} else if (v.indexOf("ccw") !== -1 && dif > 0) {
dif = ((dif - cap * 9999999999) % cap) - ((dif / cap) | 0) * cap;
}
}
if (dif > min || dif < -min) {
this._addTween(target, p, start, start + dif, p);
this._overwriteProps.push(p);
}
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
var pt;
if (ratio !== 1) {
this._super.setRatio.call(this, ratio);
} else {
pt = this._firstPT;
while (pt) {
if (pt.f) {
pt.t[pt.p](this.finals[pt.p]);
} else {
pt.t[pt.p] = this.finals[pt.p];
}
pt = pt._next;
}
}
}
})._autoCSS = true;
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("DirectionalRotationPlugin"));
/*!
* VERSION: 0.2.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* PhysicsPropsPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var PhysicsProp = function(target, p, velocity, acceleration, friction, stepsPerTimeUnit) {
this.p = p;
this.f = (typeof(target[p]) === "function");
this.start = this.value = (!this.f) ? parseFloat(target[p]) : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]();
this.velocity = velocity || 0;
this.v = this.velocity / stepsPerTimeUnit;
if (acceleration || acceleration == 0) {
this.acceleration = acceleration;
this.a = this.acceleration / (stepsPerTimeUnit * stepsPerTimeUnit);
} else {
this.acceleration = this.a = 0;
}
this.friction = 1 - (friction || 0) ;
},
_random = Math.random(),
_globals = _gsScope._gsDefine.globals,
_rootFramesTimeline = _globals.com.greensock.core.Animation._rootFramesTimeline,
PhysicsPropsPlugin = _gsScope._gsDefine.plugin({
propName: "physicsProps",
version: "0.2.1",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
if (typeof(value) === "function") {
value = value(target);
}
this._target = target;
this._tween = tween;
this._runBackwards = (tween.vars.runBackwards === true);
this._step = 0;
var tl = tween._timeline,
cnt = 0,
p, curProp;
while (tl._timeline) {
tl = tl._timeline;
}
this._stepsPerTimeUnit = (tl === _rootFramesTimeline) ? 1 : 30;
this._props = [];
for (p in value) {
curProp = value[p];
if (typeof(curProp) === "function") {
curProp = curProp(index, target);
}
if (curProp.velocity || curProp.acceleration) {
this._props[cnt++] = new PhysicsProp(target, p, curProp.velocity, curProp.acceleration, curProp.friction, this._stepsPerTimeUnit);
this._overwriteProps[cnt] = p;
if (curProp.friction) {
this._hasFriction = true;
}
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
var i = this._props.length,
time = this._tween._time,
target = this._target,
curProp, val, steps, remainder, j, tt;
if (this._runBackwards) {
time = this._tween._duration - time;
}
if (this._hasFriction) {
time *= this._stepsPerTimeUnit;
steps = (time | 0) - this._step;
remainder = time % 1;
if (steps >= 0) { //going forward
while (--i > -1) {
curProp = this._props[i];
j = steps;
while (--j > -1) {
curProp.v += curProp.a;
curProp.v *= curProp.friction;
curProp.value += curProp.v;
}
val = curProp.value + (curProp.v * remainder);
if (curProp.m) {
val = curProp.m(val, target);
}
if (curProp.f) {
target[curProp.p](val);
} else {
target[curProp.p] = val;
}
}
} else { //going backwards
while (--i > -1) {
curProp = this._props[i];
j = -steps;
while (--j > -1) {
curProp.value -= curProp.v;
curProp.v /= curProp.friction;
curProp.v -= curProp.a;
}
val = curProp.value + (curProp.v * remainder);
if (curProp.m) {
val = curProp.m(val, target);
}
if (curProp.f) {
target[curProp.p](val);
} else {
target[curProp.p] = val;
}
}
}
this._step += steps;
} else {
tt = time * time * 0.5;
while (--i > -1) {
curProp = this._props[i];
val = curProp.start + ((curProp.velocity * time) + (curProp.acceleration * tt));
if (curProp.m) {
val = curProp.m(val, target);
}
if (curProp.f) {
target[curProp.p](val);
} else {
target[curProp.p] = val;
}
}
}
}
}),
p = PhysicsPropsPlugin.prototype;
p._kill = function(lookup) {
var i = this._props.length;
while (--i > -1) {
if (this._props[i].p in lookup) {
this._props.splice(i, 1);
}
}
return this._super._kill.call(this, lookup);
};
p._mod = function(lookup) {
var i = this._props.length,
val;
while (--i > -1) {
val = lookup[this._props[i].p] || lookup.physicsProps;
if (typeof(val) === "function") {
this._props[i].m = val;
}
}
};
PhysicsPropsPlugin._autoCSS = true; //indicates that this plugin can be inserted into the "css" object using the autoCSS feature of TweenLite
PhysicsPropsPlugin._cssRegister = function() {
var CSSPlugin = _globals.CSSPlugin;
if (!CSSPlugin) {
return;
}
var _internals = CSSPlugin._internals,
_parseToProxy = _internals._parseToProxy,
_setPluginRatio = _internals._setPluginRatio,
CSSPropTween = _internals.CSSPropTween;
_internals._registerComplexSpecialProp("physicsProps", {parser:function(t, e, prop, cssp, pt, plugin) {
plugin = new PhysicsPropsPlugin();
var vars = {},
p, data;
if (e.scale) {
e.scaleX = e.scaleY = e.scale;
delete e.scale;
}
for (p in e) {
vars[p] = _random++; //doesn't really matter what values we put here because the plugin will determine end values, but it'd be best of the values don't match the current ones so that CSSPlugin doesn't skip creating a CSSPropTween.
}
data = _parseToProxy(t, vars, cssp, pt, plugin);
pt = new CSSPropTween(t, "physicsProps", 0, 0, data.pt, 2);
pt.data = data;
pt.plugin = plugin;
pt.setRatio = _setPluginRatio;
plugin._onInitTween(data.proxy, e, cssp._tween);
return pt;
}});
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("PhysicsPropsPlugin"));
/*!
* VERSION: 1.2.0
* DATE: 2017-01-17
* UPDATES AND DOCS AT: http://greensock.com
*
* This file is to be used as a simple template for writing your own plugin. See the
* TweenPlugin docs for more details.
*
* You can start by doing a search for "yourCustomProperty" and replace it with whatever the name
* of your property is. This way of defining a plugin was introduced in version 1.9.0 - previous versions
* of TweenLite won't work with this.
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
//ignore the line above this and at the very end - those are for ensuring things load in the proper order
"use strict";
_gsScope._gsDefine.plugin({
propName: "yourCustomProperty", //the name of the property that will get intercepted and handled by this plugin (obviously change it to whatever you want, typically it is camelCase starting with lowercase).
priority: 0, //the priority in the rendering pipeline (0 by default). A priority of -1 would mean this plugin will run after all those with 0 or greater. A priority of 1 would get run before 0, etc. This only matters when a plugin relies on other plugins finishing their work before it runs (or visa-versa)
API: 2, //the API should stay 2 - it just gives us a way to know the method/property structure so that if in the future we change to a different TweenPlugin architecture, we can identify this plugin's structure.
version: "1.0.0", //your plugin's version number
overwriteProps: ["yourCustomProperty"], //an array of property names whose tweens should be overwritten by this plugin. For example, if you create a "scale" plugin that handles both "scaleX" and "scaleY", the overwriteProps would be ["scaleX","scaleY"] so that if there's a scaleX or scaleY tween in-progress when a new "scale" tween starts (using this plugin), it would overwrite the scaleX or scaleY tween.
/*
* The init function is called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run. It receives 3 parameters:
* 1) target [object] - the target of the tween. In cases where the tween's original target is an array (or jQuery object), this target will be the individual object inside that array (a new plugin instance is created for each target in the array). For example, TweenLite.to([obj1, obj2, obj3], 1, {x:100}) the target will be obj1 or obj2 or obj3 rather than the array containing them.
* 2) value [*] - whatever value is passed as the special property value. For example, TweenLite.to(element, 1, {yourCustomProperty:3}) the value would be 3. Or for TweenLite.to(element, 1, {yourCustomProperty:{subProp1:3, subProp2:"whatever"}});, value would be {subProp1:3, subProp2:"whatever"}.
* 3) tween [TweenLite] - the TweenLite (or TweenMax) instance that is managing this plugin instance. This can be useful if you need to check certain state-related properties on the tween (maybe in the set method) like its duration or time. Most of the time, however, you don't need to do anything with the tween. It is provided just in case you want to reference it.
* 4) index [integer] - the index number of the target in the tween. For example, if an array is passed in as the target (or selector text), this would be 0 for the first one, 1 for the second, 2 for the third, etc. This was introduced in GSAP 1.19.0
*
* This function should return true unless you want to have TweenLite/Max skip the plugin altogether and instead treat the property/value like a normal tween (as if the plugin wasn't activated). This is rarely useful, so you should almost always return true.
*/
init: function(target, value, tween, index) {
this._target = target; //we record the target so that we can refer to it in the set method when doing updates.
/* Next, we create a property tween for "scaleX" and "scaleY" properties of our target
* (we're just using them as a examples of how to set up a property tween with a name, start, and end value).
* the _addTween() method accepts the following parameters:
* 1) target [object] - target object whose property this tween will control.
* 2) property [string] - the name of the property, like "scaleX" or "scaleY"
* 3) start [number] - The starting value of the property. For example, if you're tweening from 0 to 100, start would be 0.
* 4) end [number] - the ending value of the property. For example, if you're tweening from 0 to 100, end would be 100.
* 5) overwriteProperty [string] - the name that gets registered as the overwrite property so that if another concurrent tween of the same target gets created and it is tweening a property with this name, this one will be overwritten. Typically this is the same as "property".
* 6) round [boolean] - if true, the updated value on each update will be rounded to the nearest integer. [false by default]
* You do NOT need to use _addTween() at all. It is merely a convenience. You can record your own values internally or whatever you want.
*/
this._addTween(target, "scaleX", target.scaleX, value, "scaleX", false);
this._addTween(target, "scaleY", target.scaleY, value, "scaleY", false);
//now, just for kicks, we'll record the starting "alpha" value and amount of change so that we can manage this manually rather than _addTween() (again, totally fictitious, just for an example)
this._alphaStart = target.alpha;
this._alphaChange = value.alpha - target.alpha;
//always return true unless we want to scrap the plugin and have the value treated as a normal property tween (very uncommon)
return true;
},
//[optional] - called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.). If you're using this._super._addTween() for all your tweens and you don't need to do anything special on each frame besides updating those values, you can omit this "set" function altogether.
set: function(ratio) {
//since we used _addTween() inside init function, it created some property tweens that we'll update by calling the parent prototype's setRatio() (otherwise, the property tweens wouldn't get their values updated). this._super refers to the TweenPlugin prototype from which the plugin inherits (not that you need to worry about that).
this._super.setRatio.call(this, ratio);
//now manually set the alpha
this._target.alpha = this._alphaStart + this._alphaChange * ratio;
}
});
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
/*!
* VERSION: 1.9.0
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _doc = (_gsScope.document || {}).documentElement,
_window = _gsScope,
_max = function(element, axis) {
var dim = (axis === "x") ? "Width" : "Height",
scroll = "scroll" + dim,
client = "client" + dim,
body = document.body;
return (element === _window || element === _doc || element === body) ? Math.max(_doc[scroll], body[scroll]) - (_window["inner" + dim] || _doc[client] || body[client]) : element[scroll] - element["offset" + dim];
},
_unwrapElement = function(value) {
if (typeof(value) === "string") {
value = TweenLite.selector(value);
}
if (value.length && value !== _window && value[0] && value[0].style && !value.nodeType) {
value = value[0];
}
return (value === _window || (value.nodeType && value.style)) ? value : null;
},
_buildGetter = function(e, axis) { //pass in an element and an axis ("x" or "y") and it'll return a getter function for the scroll position of that element (like scrollTop or scrollLeft, although if the element is the window, it'll use the pageXOffset/pageYOffset or the documentElement's scrollTop/scrollLeft or document.body's. Basically this streamlines things and makes a very fast getter across browsers.
var p = "scroll" + ((axis === "x") ? "Left" : "Top");
if (e === _window) {
if (e.pageXOffset != null) {
p = "page" + axis.toUpperCase() + "Offset";
} else if (_doc[p] != null) {
e = _doc;
} else {
e = document.body;
}
}
return function() {
return e[p];
};
},
_getOffset = function(element, container) {
var rect = _unwrapElement(element).getBoundingClientRect(),
isRoot = (!container || container === _window || container === document.body),
cRect = (isRoot ? _doc : container).getBoundingClientRect(),
offsets = {x: rect.left - cRect.left, y: rect.top - cRect.top};
if (!isRoot && container) { //only add the current scroll position if it's not the window/body.
offsets.x += _buildGetter(container, "x")();
offsets.y += _buildGetter(container, "y")();
}
return offsets;
},
_parseVal = function(value, target, axis) {
var type = typeof(value);
return !isNaN(value) ? parseFloat(value) : (type === "number" || (type === "string" && value.charAt(1) === "=")) ? value : (value === "max") ? _max(target, axis) : Math.min(_max(target, axis), _getOffset(value, target)[axis]);
},
ScrollToPlugin = _gsScope._gsDefine.plugin({
propName: "scrollTo",
API: 2,
global: true,
version:"1.9.0",
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween) {
this._wdw = (target === _window);
this._target = target;
this._tween = tween;
if (typeof(value) !== "object") {
value = {y:value}; //if we don't receive an object as the parameter, assume the user intends "y".
if (typeof(value.y) === "string" && value.y !== "max" && value.y.charAt(1) !== "=") {
value.x = value.y;
}
} else if (value.nodeType) {
value = {y:value, x:value};
}
this.vars = value;
this._autoKill = (value.autoKill !== false);
this.getX = _buildGetter(target, "x");
this.getY = _buildGetter(target, "y");
this.x = this.xPrev = this.getX();
this.y = this.yPrev = this.getY();
if (value.x != null) {
this._addTween(this, "x", this.x, _parseVal(value.x, target, "x") - (value.offsetX || 0), "scrollTo_x", true);
this._overwriteProps.push("scrollTo_x");
} else {
this.skipX = true;
}
if (value.y != null) {
this._addTween(this, "y", this.y, _parseVal(value.y, target, "y") - (value.offsetY || 0), "scrollTo_y", true);
this._overwriteProps.push("scrollTo_y");
} else {
this.skipY = true;
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(v) {
this._super.setRatio.call(this, v);
var x = (this._wdw || !this.skipX) ? this.getX() : this.xPrev,
y = (this._wdw || !this.skipY) ? this.getY() : this.yPrev,
yDif = y - this.yPrev,
xDif = x - this.xPrev,
threshold = ScrollToPlugin.autoKillThreshold;
if (this.x < 0) { //can't scroll to a position less than 0! Might happen if someone uses a Back.easeOut or Elastic.easeOut when scrolling back to the top of the page (for example)
this.x = 0;
}
if (this.y < 0) {
this.y = 0;
}
if (this._autoKill) {
//note: iOS has a bug that throws off the scroll by several pixels, so we need to check if it's within 7 pixels of the previous one that we set instead of just looking for an exact match.
if (!this.skipX && (xDif > threshold || xDif < -threshold) && x < _max(this._target, "x")) {
this.skipX = true; //if the user scrolls separately, we should stop tweening!
}
if (!this.skipY && (yDif > threshold || yDif < -threshold) && y < _max(this._target, "y")) {
this.skipY = true; //if the user scrolls separately, we should stop tweening!
}
if (this.skipX && this.skipY) {
this._tween.kill();
if (this.vars.onAutoKill) {
this.vars.onAutoKill.apply(this.vars.onAutoKillScope || this._tween, this.vars.onAutoKillParams || []);
}
}
}
if (this._wdw) {
_window.scrollTo((!this.skipX) ? this.x : x, (!this.skipY) ? this.y : y);
} else {
if (!this.skipY) {
this._target.scrollTop = this.y;
}
if (!this.skipX) {
this._target.scrollLeft = this.x;
}
}
this.xPrev = this.x;
this.yPrev = this.y;
}
}),
p = ScrollToPlugin.prototype;
ScrollToPlugin.max = _max;
ScrollToPlugin.getOffset = _getOffset;
ScrollToPlugin.buildGetter = _buildGetter;
ScrollToPlugin.autoKillThreshold = 7;
p._kill = function(lookup) {
if (lookup.scrollTo_x) {
this.skipX = true;
}
if (lookup.scrollTo_y) {
this.skipY = true;
}
return this._super._kill.call(this, lookup);
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("ScrollToPlugin"));
/*!
* VERSION: 0.6.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine.plugin({
propName: "attr",
API: 2,
version: "0.6.1",
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
var p, end;
if (typeof(target.setAttribute) !== "function") {
return false;
}
for (p in value) {
end = value[p];
if (typeof(end) === "function") {
end = end(index, target);
}
this._addTween(target, "setAttribute", target.getAttribute(p) + "", end + "", p, false, p);
this._overwriteProps.push(p);
}
return true;
}
});
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("AttrPlugin"));
/*!
* VERSION: 0.6.1
* DATE: 2017-06-30
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _getText = function(e) {
var type = e.nodeType,
result = "";
if (type === 1 || type === 9 || type === 11) {
if (typeof(e.textContent) === "string") {
return e.textContent;
} else {
for ( e = e.firstChild; e; e = e.nextSibling ) {
result += _getText(e);
}
}
} else if (type === 3 || type === 4) {
return e.nodeValue;
}
return result;
},
_emojiStart = 0xD800,
_emojiEnd = 0xDBFF,
_emojiLowStart = 0xDC00,
_emojiRegionStart = 0x1F1E6,
_emojiRegionEnd = 0x1F1FF,
_emojiModStart = 0x1f3fb,
_emojiModEnd = 0x1f3ff,
_emojiPairCode = function(s) {
return ((s.charCodeAt(0) - _emojiStart) << 10) + (s.charCodeAt(1) - _emojiLowStart) + 0x10000;
},
_emojiSafeSplit = function(text, delimiter) { //like calling String.split(delimiter) except that it keeps emoji characters together.
if (delimiter !== "") {
return text.split(delimiter);
}
var l = text.length,
a = [],
character, i, emojiPair1, emojiPair2, j;
for (i = 0; i < l; i++) {
character = text.charAt(i);
if ((character.charCodeAt(0) >= _emojiStart && character.charCodeAt(0) <= _emojiEnd) || (text.charCodeAt(i+1) >= 0xFE00 && text.charCodeAt(i+1) <= 0xFE0F)) { //special emoji characters use 2 or 4 unicode characters that we must keep together.
emojiPair1 = _emojiPairCode(text.substr(i, 2));
emojiPair2 = _emojiPairCode(text.substr(i + 2, 2));
j = ((emojiPair1 >= _emojiRegionStart && emojiPair1 <= _emojiRegionEnd && emojiPair2 >= _emojiRegionStart && emojiPair2 <= _emojiRegionEnd) || (emojiPair2 >= _emojiModStart && emojiPair2 <= _emojiModEnd)) ? 4 : 2;
a.push(text.substr(i, j));
i += j - 1;
} else {
a.push(character);
}
}
return a;
},
TextPlugin = _gsScope._gsDefine.plugin({
propName: "text",
API: 2,
version:"0.6.1",
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
var i = target.nodeName.toUpperCase(),
shrt;
if (typeof(value) === "function") {
value = value(index, target);
}
this._svg = (target.getBBox && (i === "TEXT" || i === "TSPAN"));
if (!("innerHTML" in target) && !this._svg) {
return false;
}
this._target = target;
if (typeof(value) !== "object") {
value = {value:value};
}
if (value.value === undefined) {
this._text = this._original = [""];
return true;
}
this._delimiter = value.delimiter || "";
this._original = _emojiSafeSplit(_getText(target).replace(/\s+/g, " "), this._delimiter);
this._text = _emojiSafeSplit(value.value.replace(/\s+/g, " "), this._delimiter);
this._runBackwards = (tween.vars.runBackwards === true);
if (this._runBackwards) {
i = this._original;
this._original = this._text;
this._text = i;
}
if (typeof(value.newClass) === "string") {
this._newClass = value.newClass;
this._hasClass = true;
}
if (typeof(value.oldClass) === "string") {
this._oldClass = value.oldClass;
this._hasClass = true;
}
i = this._original.length - this._text.length;
shrt = (i < 0) ? this._original : this._text;
this._fillChar = value.fillChar || (value.padSpace ? "&nbsp;" : "");
if (i < 0) {
i = -i;
}
while (--i > -1) {
shrt.push(this._fillChar);
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
if (ratio > 1) {
ratio = 1;
} else if (ratio < 0) {
ratio = 0;
}
if (this._runBackwards) {
ratio = 1 - ratio;
}
var l = this._text.length,
i = (ratio * l + 0.5) | 0,
applyNew, applyOld, str;
if (this._hasClass) {
applyNew = (this._newClass && i !== 0);
applyOld = (this._oldClass && i !== l);
str = (applyNew ? "<span class='" + this._newClass + "'>" : "") + this._text.slice(0, i).join(this._delimiter) + (applyNew ? "</span>" : "") + (applyOld ? "<span class='" + this._oldClass + "'>" : "") + this._delimiter + this._original.slice(i).join(this._delimiter) + (applyOld ? "</span>" : "");
} else {
str = this._text.slice(0, i).join(this._delimiter) + this._delimiter + this._original.slice(i).join(this._delimiter);
}
if (this._svg) { //SVG text elements don't have an "innerHTML" in Microsoft browsers.
this._target.textContent = str;
} else {
this._target.innerHTML = (this._fillChar === "&nbsp;" && str.indexOf(" ") !== -1) ? str.split(" ").join("&nbsp;&nbsp;") : str;
}
}
}),
p = TextPlugin.prototype;
p._newClass = p._oldClass = p._delimiter = "";
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("TextPlugin"));
/*!
* VERSION: 0.1.3
* DATE: 2017-01-17
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine.plugin({
propName: "endArray",
API: 2,
version: "0.1.3",
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween) {
var i = value.length,
a = this.a = [],
start, end;
this.target = target;
this._mod = 0;
if (!i) {
return false;
}
while (--i > -1) {
start = target[i];
end = value[i];
if (start !== end) {
a.push({i:i, s:start, c:end - start});
}
}
return true;
},
mod: function(lookup) {
if (typeof(lookup.endArray) === "function") {
this._mod = lookup.endArray;
}
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
var target = this.target,
a = this.a,
i = a.length,
mod = this._mod,
e, val;
if (mod) {
while (--i > -1) {
e = a[i];
target[e.i] = mod(e.s + e.c * ratio, target);
}
} else {
while (--i > -1) {
e = a[i];
val = e.s + e.c * ratio;
target[e.i] = (val < 0.000001 && val > -0.000001) ? 0 : val;
}
}
}
});
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
/*!
* VERSION: 0.4.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* ScrambleTextPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _getText = function(e) {
var type = e.nodeType,
result = "";
if (type === 1 || type === 9 || type === 11) {
if (typeof(e.textContent) === "string") {
return e.textContent;
} else {
for (e = e.firstChild; e; e = e.nextSibling ) {
result += _getText(e);
}
}
} else if (type === 3 || type === 4) {
return e.nodeValue;
}
return result;
},
_scrambleText = function(length, chars) {
var l = chars.length,
s = "";
while (--length > -1) {
s += chars[ ((Math.random() * l) | 0) ];
}
return s;
},
CharSet = function(chars) {
this.chars = chars.split("");
this.sets = [];
this.length = 50;
var i;
for (i = 0; i < 20; i++) {
this.sets[i] = _scrambleText(80, this.chars); //we create 20 strings that are 80 characters long, randomly chosen and pack them into an array. We then randomly choose the scrambled text from this array in order to greatly improve efficiency compared to creating new randomized text from scratch each and every time it's needed. This is a simple lookup whereas the other technique requires looping through as many times as there are characters needed, and calling Math.random() each time through the loop, building the string, etc.
}
this.grow = function(newLength) { //if we encounter a tween that has more than 80 characters, we'll need to add to the character sets accordingly. Once it's cached, it'll only need to grow again if we exceed that new length. Again, this is an efficiency tactic.
for (i = 0; i < 20; i++) {
this.sets[i] += _scrambleText(newLength - this.length, this.chars);
}
this.length = newLength;
};
},
_upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
_lower = _upper.toLowerCase(),
_charsLookup = {
upperCase: new CharSet(_upper),
lowerCase: new CharSet(_lower),
upperAndLowerCase: new CharSet(_upper + _lower)
},
ScrambleTextPlugin = _gsScope._gsDefine.plugin({
propName: "scrambleText",
version: "0.4.1",
API: 2,
overwriteProps:["scrambleText","text"],
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
this._prop = ("innerHTML" in target) ? "innerHTML" : ("textContent" in target) ? "textContent" : 0; // SVG text in IE doesn't have innerHTML, but it does have textContent.
if (!this._prop) {
return false;
}
if (typeof(value) === "function") {
value = value(index, target);
}
this._target = target;
if (typeof(value) !== "object") {
value = {text:value};
}
var delim, i, maxLength, charset;
this._delimiter = delim = value.delimiter || "";
this._original = _getText(target).replace(/\s+/g, " ").split("&nbsp;").join("").split(delim);
this._text = (value.text || value.value || "").replace(/\s+/g, " ").split(delim);
this._hasClass = false;
if (typeof(value.newClass) === "string") {
this._newClass = value.newClass;
this._hasClass = true;
}
if (typeof(value.oldClass) === "string") {
this._oldClass = value.oldClass;
this._hasClass = true;
}
i = this._text.length - this._original.length;
this._length = this._original.join(delim).length;
this._lengthDif = this._text.join(delim).length - this._length;
this._fillChar = value.fillChar || (value.chars && value.chars.indexOf(" ") !== -1) ? "&nbsp;" : "";
this._charSet = charset = _charsLookup[(value.chars || "upperCase")] || new CharSet(value.chars);
this._speed = 0.016 / (value.speed || 1);
this._prevScrambleTime = 0;
this._setIndex = (Math.random() * 20) | 0;
maxLength = this._length + Math.max(this._lengthDif, 0);
if (maxLength > charset.length) {
charset.grow(maxLength);
}
this._chars = charset.sets[this._setIndex];
this._revealDelay = value.revealDelay || 0;
this._tweenLength = (value.tweenLength !== false);
this._tween = tween;
this._rightToLeft = !!value.rightToLeft;
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
var l = this._text.length,
delim = this._delimiter,
time = this._tween._time,
timeDif = time - this._prevScrambleTime,
i, startText, endText, applyNew, applyOld, str, startClass, endClass;
if (this._revealDelay) {
if (this._tween.vars.runBackwards) {
time = this._tween._duration - time; //invert the time for from() tweens
}
ratio = (time === 0) ? 0 : (time < this._revealDelay) ? 0.000001 : (time === this._tween._duration) ? 1 : this._tween._ease.getRatio((time - this._revealDelay) / (this._tween._duration - this._revealDelay));
}
if (ratio < 0) {
ratio = 0;
} else if (ratio > 1) {
ratio = 1;
}
if (this._rightToLeft) {
ratio = 1 - ratio;
}
i = (ratio * l + 0.5) | 0;
if (ratio) {
if (timeDif > this._speed || timeDif < -this._speed) {
this._setIndex = (this._setIndex + ((Math.random() * 19) | 0)) % 20;
this._chars = this._charSet.sets[this._setIndex];
this._prevScrambleTime += timeDif;
}
endText = this._chars;
} else {
endText = this._original.join(delim);
}
if (this._rightToLeft) {
if (ratio === 1 && (this._tween.vars.runBackwards || this._tween.data === "isFromStart")) { //special case for from() tweens
startText = "";
endText = this._original.join(delim);
} else {
startText = endText.substr(0, ((this._length + (this._tweenLength ? 1 - (ratio * ratio * ratio) : 1) * this._lengthDif) - (l - i) + 0.5) | 0);
endText = this._text.slice(i).join(delim);
}
} else {
startText = this._text.slice(0, i).join(delim);
endText = endText.substr(i, ((this._length + (this._tweenLength ? 1 - ((ratio = 1 - ratio) * ratio * ratio * ratio) : 1) * this._lengthDif) - i + 0.5) | 0);
}
if (this._hasClass) {
startClass = this._rightToLeft ? this._oldClass : this._newClass;
endClass = this._rightToLeft ? this._newClass : this._oldClass;
applyNew = (startClass && i !== 0);
applyOld = (endClass && i !== l);
str = (applyNew ? "<span class='" + startClass + "'>" : "") + startText + (applyNew ? "</span>" : "") + (applyOld ? "<span class='" + endClass + "'>" : "") + delim + endText + (applyOld ? "</span>" : "");
} else {
str = startText + delim + endText;
}
this._target[this._prop] = (this._fillChar === "&nbsp;" && str.indexOf(" ") !== -1) ? str.split(" ").join("&nbsp;&nbsp;") : str;
}
}),
p = ScrambleTextPlugin.prototype;
p._newClass = p._oldClass = "";
for (p in _charsLookup) {
_charsLookup[p.toLowerCase()] = _charsLookup[p];
_charsLookup[p.toUpperCase()] = _charsLookup[p];
}
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("ScrambleTextPlugin"));
/*!
* VERSION: 0.1.2
* DATE: 2017-06-29
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* PixiPlugin is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof module !== "undefined" && module.exports && typeof global !== "undefined") ? global : this || window;
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push(function () {
"use strict";
var _numExp = /(\d|\.)+/g,
_relNumExp = /(?:\d|\-\d|\.\d|\-\.\d|\+=\d|\-=\d|\+=.\d|\-=\.\d)+/g,
_colorLookup = {aqua:[0,255,255],
lime:[0,255,0],
silver:[192,192,192],
black:[0,0,0],
maroon:[128,0,0],
teal:[0,128,128],
blue:[0,0,255],
navy:[0,0,128],
white:[255,255,255],
fuchsia:[255,0,255],
olive:[128,128,0],
yellow:[255,255,0],
orange:[255,165,0],
gray:[128,128,128],
purple:[128,0,128],
green:[0,128,0],
red:[255,0,0],
pink:[255,192,203],
cyan:[0,255,255],
transparent:[255,255,255,0]},
_hue = function(h, m1, m2) {
h = (h < 0) ? h + 1 : (h > 1) ? h - 1 : h;
return ((((h * 6 < 1) ? m1 + (m2 - m1) * h * 6 : (h < 0.5) ? m2 : (h * 3 < 2) ? m1 + (m2 - m1) * (2 / 3 - h) * 6 : m1) * 255) + 0.5) | 0;
},
/**
* @private Parses a color (like #9F0, #FF9900, rgb(255,51,153) or hsl(108, 50%, 10%)) into an array with 3 elements for red, green, and blue or if "format" parameter is "hsl", it will populate the array with hue, saturation, and lightness values. Or if "format" is "number", it'll return a number like 0xFF0000 instead of an array. If a relative value is found in an hsl() or hsla() string, it will preserve those relative prefixes and all the values in the array will be strings instead of numbers (in all other cases it will be populated with numbers).
* @param {(string|number)} v The value the should be parsed which could be a string like #9F0 or rgb(255,102,51) or rgba(255,0,0,0.5) or it could be a number like 0xFF00CC or even a named color like red, blue, purple, etc.
* @param {(string)} format If "hsl", an hsl() or hsla() value will be returned instead of rgb() or rgba(). Or if "number", then a numeric value will be returned, like 0xFF0000. Default is rgb.
* @return {(array|number)} An array containing red, green, and blue (and optionally alpha) in that order, or if the format parameter was "hsl", the array will contain hue, saturation and lightness (and optionally alpha) in that order. Or if "format" is defined as "number", it'll return a number like 0xFF0000. Always numbers unless there's a relative prefix found in an hsl() or hsla() string and "format" is "hsl".
*/
_parseColor = function(v, format) {
var toHSL = (format === "hsl"),
a, r, g, b, h, s, l, max, min, d, wasHSL;
if (!v) {
a = _colorLookup.black;
} else if (typeof(v) === "number") {
a = [v >> 16, (v >> 8) & 255, v & 255];
} else {
if (v.charAt(v.length - 1) === ",") { //sometimes a trailing comma is included and we should chop it off (typically from a comma-delimited list of values like a textShadow:"2px 2px 2px blue, 5px 5px 5px rgb(255,0,0)" - in this example "blue," has a trailing comma. We could strip it out inside parseComplex() but we'd need to do it to the beginning and ending values plus it wouldn't provide protection from other potential scenarios like if the user passes in a similar value.
v = v.substr(0, v.length - 1);
}
if (_colorLookup[v]) {
a = _colorLookup[v];
} else if (v.charAt(0) === "#") {
if (v.length === 4) { //for shorthand like #9F0
r = v.charAt(1);
g = v.charAt(2);
b = v.charAt(3);
v = "#" + r + r + g + g + b + b;
}
v = parseInt(v.substr(1), 16);
a = [v >> 16, (v >> 8) & 255, v & 255];
} else if (v.substr(0, 3) === "hsl") {
a = wasHSL = v.match(_numExp);
if (!toHSL) {
h = (Number(a[0]) % 360) / 360;
s = Number(a[1]) / 100;
l = Number(a[2]) / 100;
g = (l <= 0.5) ? l * (s + 1) : l + s - l * s;
r = l * 2 - g;
if (a.length > 3) {
a[3] = Number(v[3]);
}
a[0] = _hue(h + 1 / 3, r, g);
a[1] = _hue(h, r, g);
a[2] = _hue(h - 1 / 3, r, g);
} else if (v.indexOf("=") !== -1) { //if relative values are found, just return the raw strings with the relative prefixes in place.
return v.match(_relNumExp);
}
} else {
a = v.match(_numExp) || _colorLookup.transparent;
}
a[0] = Number(a[0]);
a[1] = Number(a[1]);
a[2] = Number(a[2]);
if (a.length > 3) {
a[3] = Number(a[3]);
}
}
if (toHSL && !wasHSL) {
r = a[0] / 255;
g = a[1] / 255;
b = a[2] / 255;
max = Math.max(r, g, b);
min = Math.min(r, g, b);
l = (max + min) / 2;
if (max === min) {
h = s = 0;
} else {
d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
h = (max === r) ? (g - b) / d + (g < b ? 6 : 0) : (max === g) ? (b - r) / d + 2 : (r - g) / d + 4;
h *= 60;
}
a[0] = (h + 0.5) | 0;
a[1] = (s * 100 + 0.5) | 0;
a[2] = (l * 100 + 0.5) | 0;
}
return (format === "number") ? (a[0] << 16 | a[1] << 8 | a[2]) : a;
},
_formatColors = function(s, toHSL) {
var colors = (s + "").match(_colorExp) || [],
charIndex = 0,
parsed = "",
i, color, temp;
if (!colors.length) {
return s;
}
for (i = 0; i < colors.length; i++) {
color = colors[i];
temp = s.substr(charIndex, s.indexOf(color, charIndex)-charIndex);
charIndex += temp.length + color.length;
color = _parseColor(color, (toHSL ? "hsl" : "rgb"));
if (color.length === 3) {
color.push(1);
}
parsed += temp + (toHSL ? "hsla(" + color[0] + "," + color[1] + "%," + color[2] + "%," + color[3] : "rgba(" + color.join(",")) + ")";
}
return parsed + s.substr(charIndex);
}, _colorStringFilter,
TweenLite = (_gsScope.GreenSockGlobals || _gsScope).TweenLite,
_colorExp = "(?:\\b(?:(?:rgb|rgba|hsl|hsla)\\(.+?\\))|\\B#(?:[0-9a-f]{3}){1,2}\\b", //we'll dynamically build this Regular Expression to conserve file size. After building it, it will be able to find rgb(), rgba(), # (hexadecimal), and named color values like red, blue, purple, etc.
_idMatrix = [1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],
_lumR = 0.212671,
_lumG = 0.715160,
_lumB = 0.072169,
_applyMatrix = function(m, m2) {
var temp = [],
i = 0,
z = 0,
y, x;
for (y = 0; y < 4; y++) {
for (x = 0; x < 5; x++) {
z = (x === 4) ? m[i + 4] : 0;
temp[i + x] = m[i] * m2[x] + m[i+1] * m2[x + 5] + m[i+2] * m2[x + 10] + m[i+3] * m2[x + 15] + z;
}
i += 5;
}
return temp;
},
_setSaturation = function(m, n) {
var inv = 1 - n,
r = inv * _lumR,
g = inv * _lumG,
b = inv * _lumB;
return _applyMatrix([r + n, g, b, 0, 0, r, g + n, b, 0, 0, r, g, b + n, 0, 0, 0, 0, 0, 1, 0], m);
},
_colorize = function(m, color, amount) {
var c = _parseColor(color),
r = c[0] / 255,
g = c[1] / 255,
b = c[2] / 255,
inv = 1 - amount;
return _applyMatrix([inv + amount * r * _lumR, amount * r * _lumG, amount * r * _lumB, 0, 0, amount * g * _lumR, inv + amount * g * _lumG, amount * g * _lumB, 0, 0, amount * b * _lumR, amount * b * _lumG, inv + amount * b * _lumB, 0, 0, 0, 0, 0, 1, 0], m);
},
_setHue = function(m, n) {
n *= Math.PI / 180;
var c = Math.cos(n),
s = Math.sin(n);
return _applyMatrix([(_lumR + (c * (1 - _lumR))) + (s * (-_lumR)), (_lumG + (c * (-_lumG))) + (s * (-_lumG)), (_lumB + (c * (-_lumB))) + (s * (1 - _lumB)), 0, 0, (_lumR + (c * (-_lumR))) + (s * 0.143), (_lumG + (c * (1 - _lumG))) + (s * 0.14), (_lumB + (c * (-_lumB))) + (s * -0.283), 0, 0, (_lumR + (c * (-_lumR))) + (s * (-(1 - _lumR))), (_lumG + (c * (-_lumG))) + (s * _lumG), (_lumB + (c * (1 - _lumB))) + (s * _lumB), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1], m);
},
_setContrast = function(m, n) {
return _applyMatrix([n,0,0,0,0.5 * (1 - n), 0,n,0,0,0.5 * (1 - n), 0,0,n,0,0.5 * (1 - n), 0,0,0,1,0], m);
},
_getFilter = function(t, type) {
var filterClass = _gsScope.PIXI.filters[type],
filters = t.filters || [],
i = filters.length,
filter;
if (!filterClass) {
throw("PixiPlugin error: " + type + " isn't present.");
}
while (--i > -1) {
if (filters[i] instanceof filterClass) {
return filters[i];
}
}
filter = new filterClass();
if (type === "BlurFilter") {
filter.blur = 0;
}
filters.push(filter);
t.filters = filters;
return filter;
},
_addColorMatrixFilterCacheTween = function(p, pg, cache, vars) { //we cache the ColorMatrixFilter components in a _gsColorMatrixFilter object attached to the target object so that it's easy to grab the current value at any time.
pg._addTween(cache, p, cache[p], vars[p], p);
pg._overwriteProps.push(p);
},
_applyBrightnessToMatrix = function(brightness, matrix) {
var temp = new _gsScope.PIXI.filters.ColorMatrixFilter();
temp.matrix = matrix;
temp.brightness(brightness, true);
return temp.matrix;
},
_CMFdefaults = {contrast:1, saturation:1, colorizeAmount:0, colorize:"rgb(255,255,255)", hue:0, brightness:1},
_parseColorMatrixFilter = function(t, v, pg) {
var filter = _getFilter(t, "ColorMatrixFilter"),
cache = t._gsColorMatrixFilter = t._gsColorMatrixFilter || {contrast:1, saturation:1, colorizeAmount:0, colorize:"rgb(255,255,255)", hue:0, brightness:1},
combine = v.combineCMF && !("colorMatrixFilter" in v && !v.colorMatrixFilter),
i, matrix, startMatrix;
startMatrix = filter.matrix;
if (v.matrix && v.matrix.length === startMatrix.length) {
matrix = v.matrix;
if (cache.contrast !== 1) {
_addColorMatrixFilterCacheTween("contrast", pg, cache, _CMFdefaults);
}
if (cache.hue) {
_addColorMatrixFilterCacheTween("hue", pg, cache, _CMFdefaults);
}
if (cache.brightness !== 1) {
_addColorMatrixFilterCacheTween("brightness", pg, cache, _CMFdefaults);
}
if (cache.colorizeAmount) {
_addColorMatrixFilterCacheTween("colorize", pg, cache, _CMFdefaults);
_addColorMatrixFilterCacheTween("colorizeAmount", pg, cache, _CMFdefaults);
}
if (cache.saturation !== 1) {
_addColorMatrixFilterCacheTween("saturation", pg, cache, _CMFdefaults);
}
} else {
matrix = _idMatrix.slice();
if (v.contrast != null) {
matrix = _setContrast(matrix, Number(v.contrast));
_addColorMatrixFilterCacheTween("contrast", pg, cache, v);
} else if (cache.contrast !== 1) {
if (combine) {
matrix = _setContrast(matrix, cache.contrast);
} else {
_addColorMatrixFilterCacheTween("contrast", pg, cache, _CMFdefaults);
}
}
if (v.hue != null) {
matrix = _setHue(matrix, Number(v.hue));
_addColorMatrixFilterCacheTween("hue", pg, cache, v);
} else if (cache.hue) {
if (combine) {
matrix = _setHue(matrix, cache.hue);
} else {
_addColorMatrixFilterCacheTween("hue", pg, cache, _CMFdefaults);
}
}
if (v.brightness != null) {
matrix = _applyBrightnessToMatrix(Number(v.brightness), matrix);
_addColorMatrixFilterCacheTween("brightness", pg, cache, v);
} else if (cache.brightness !== 1) {
if (combine) {
matrix = _applyBrightnessToMatrix(cache.brightness, matrix);
} else {
_addColorMatrixFilterCacheTween("brightness", pg, cache, _CMFdefaults);
}
}
if (v.colorize != null) {
v.colorizeAmount = ("colorizeAmount" in v) ? Number(v.colorizeAmount) : 1;
matrix = _colorize(matrix, v.colorize, v.colorizeAmount);
_addColorMatrixFilterCacheTween("colorize", pg, cache, v);
_addColorMatrixFilterCacheTween("colorizeAmount", pg, cache, v);
} else if (cache.colorizeAmount) {
if (combine) {
matrix = _colorize(matrix, cache.colorize, cache.colorizeAmount);
} else {
_addColorMatrixFilterCacheTween("colorize", pg, cache, _CMFdefaults);
_addColorMatrixFilterCacheTween("colorizeAmount", pg, cache, _CMFdefaults);
}
}
if (v.saturation != null) {
matrix = _setSaturation(matrix, Number(v.saturation));
_addColorMatrixFilterCacheTween("saturation", pg, cache, v);
} else if (cache.saturation !== 1) {
if (combine) {
matrix = _setSaturation(matrix, cache.saturation);
} else {
_addColorMatrixFilterCacheTween("saturation", pg, cache, _CMFdefaults);
}
}
}
i = matrix.length;
while (--i > -1) {
if (matrix[i] !== startMatrix[i]) {
pg._addTween(startMatrix, i, startMatrix[i], matrix[i], "colorMatrixFilter");
}
}
pg._overwriteProps.push("colorMatrixFilter");
},
_addColorTween = function(target, p, value, colorSetter, plugin) {
var pt = colorSetter._firstPT = {_next:colorSetter._firstPT, t:target, p:p, proxy:{}, f:(typeof(target[p]) === "function")};
pt.proxy[p] = "rgb(" + _parseColor(!pt.f ? target[p] : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]()).join(",") + ")";
plugin._addTween(pt.proxy, p, "get", ((typeof(value) === "number") ? "rgb(" + _parseColor(value, false).join(",") + ")" : value), p, null, null, _colorStringFilter);
},
//to improve performance, when a color is sensed, we hijack the setRatio() method of the plugin instance with a new function that this method spits back. This is a special method that handles parsing color values on-the-fly and turns them into numeric values which PixiJS requires. In other words, instead of "rgb(255, 0, 0)", PixiJS wants 0xFF0000. This also works with hsl() values.
_buildColorSetter = function(tween, plugin) {
var setRatio = plugin.setRatio, //save the original (super) setRatio() function
func = function(v) {
var pt = func._firstPT,
val;
setRatio.call(plugin, v);
while (pt) {
val = _parseColor(pt.proxy[pt.p], "number");
if (pt.f) {
pt.t[pt.p](val);
} else {
pt.t[pt.p] = val;
}
pt = pt._next;
}
if (func.graphics) { //in order for PixiJS to actually redraw GraphicsData, we've gotta increment the "dirty" and "clearDirty" values. If we don't do this, the values will be tween properly, but not rendered.
func.graphics.dirty++;
func.graphics.clearDirty++;
}
};
plugin.setRatio = func;
return func;
},
_colorProps = {tint:1, lineColor:1, fillColor:1},
_xyContexts = "position,scale,skew,pivot,anchor,tilePosition,tileScale".split(","),
_contexts = {x:"position", y:"position", tileX:"tilePosition", tileY:"tilePosition"},
_colorMatrixFilterProps = {colorMatrixFilter:1, saturation:1, contrast:1, hue:1, colorize:1, colorizeAmount:1, brightness:1, combineCMF:1},
_DEG2RAD = Math.PI / 180,
_degreesToRadians = function(value) {
return (typeof(value) === "string" && value.charAt(1) === "=") ? value.substr(0, 2) + (parseFloat(value.substr(2)) * _DEG2RAD) : value * _DEG2RAD;
}, i, p;
//context setup...
for (i = 0; i < _xyContexts.length; i++) {
p = _xyContexts[i];
_contexts[p + "X"] = p;
_contexts[p + "Y"] = p;
}
//color parsing setup...
for (p in _colorLookup) {
_colorExp += "|" + p + "\\b";
}
_colorExp = new RegExp(_colorExp+")", "gi");
_colorStringFilter = function(a) {
var combined = a[0] + " " + a[1],
toHSL;
_colorExp.lastIndex = 0;
if (_colorExp.test(combined)) {
toHSL = (combined.indexOf("hsl(") !== -1 || combined.indexOf("hsla(") !== -1);
a[0] = _formatColors(a[0], toHSL);
a[1] = _formatColors(a[1], toHSL);
}
};
if (!TweenLite.defaultStringFilter) {
TweenLite.defaultStringFilter = _colorStringFilter;
}
var PixiPlugin = _gsScope._gsDefine.plugin({
propName: "pixi",
priority: 0,
API: 2,
global: true,
version: "0.1.2",
init: function (target, values, tween, index) {
if (!target instanceof _gsScope.PIXI.DisplayObject) {
return false;
}
var context, axis, value, colorMatrix, filter, p, padding, colorSetter, i, data;
for (p in values) {
context = _contexts[p];
value = values[p];
if (typeof(value) === "function") {
value = value(index || 0, target);
}
if (context) {
axis = (p.charAt(p.length-1).toLowerCase().indexOf("x") !== -1) ? "x" : "y";
this._addTween(target[context], axis, target[context][axis], (context === "skew") ? _degreesToRadians(value) : value, p);
} else if (p === "scale" || p === "anchor" || p === "pivot" || p === "tileScale") {
this._addTween(target[p], "x", target[p].x, value, p + "X");
this._addTween(target[p], "y", target[p].y, value, p + "Y");
} else if (p === "rotation") { //PIXI expects rotation in radians, but as a convenience we let folks define it in degrees and we do the conversion.
this._addTween(target, p, target.rotation, _degreesToRadians(value), p);
} else if (_colorMatrixFilterProps[p]) {
if (!colorMatrix) {
_parseColorMatrixFilter(target, values.colorMatrixFilter || values, this);
colorMatrix = true;
}
} else if (p === "blur" || p === "blurX" || p === "blurY" || p === "blurPadding") {
filter = _getFilter(target, "BlurFilter");
this._addTween(filter, p, filter[p], value, p);
if (values.blurPadding !== 0) {
padding = values.blurPadding || Math.max(filter[p], value) * 2;
i = target.filters.length;
while (--i > -1) {
target.filters[i].padding = Math.max(target.filters[i].padding, padding); //if we don't expand the padding on all the filters, it can look clipped.
}
}
} else if (_colorProps[p]) {
if (!colorSetter) {
colorSetter = _buildColorSetter(tween, this);
}
if ((p === "lineColor" || p === "fillColor") && target instanceof _gsScope.PIXI.Graphics) {
data = target.graphicsData;
i = data.length;
while (--i > -1) {
_addColorTween(data[i], p, value, colorSetter, this);
}
colorSetter.graphics = target;
} else {
_addColorTween(target, p, value, colorSetter, this);
}
} else {
this._addTween(target, p, target[p], value, p);
}
this._overwriteProps.push(p);
}
return true;
}
});
PixiPlugin.colorProps = _colorProps;
PixiPlugin.parseColor = _parseColor;
PixiPlugin.formatColors = _formatColors;
PixiPlugin.colorStringFilter = _colorStringFilter;
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("PixiPlugin"));
/*!
* VERSION: beta 1.5.2
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _numExp = /(\d|\.)+/g,
_relNumExp = /(?:\d|\-\d|\.\d|\-\.\d|\+=\d|\-=\d|\+=.\d|\-=\.\d)+/g,
_colorLookup = {aqua:[0,255,255],
lime:[0,255,0],
silver:[192,192,192],
black:[0,0,0],
maroon:[128,0,0],
teal:[0,128,128],
blue:[0,0,255],
navy:[0,0,128],
white:[255,255,255],
fuchsia:[255,0,255],
olive:[128,128,0],
yellow:[255,255,0],
orange:[255,165,0],
gray:[128,128,128],
purple:[128,0,128],
green:[0,128,0],
red:[255,0,0],
pink:[255,192,203],
cyan:[0,255,255],
transparent:[255,255,255,0]},
_hue = function(h, m1, m2) {
h = (h < 0) ? h + 1 : (h > 1) ? h - 1 : h;
return ((((h * 6 < 1) ? m1 + (m2 - m1) * h * 6 : (h < 0.5) ? m2 : (h * 3 < 2) ? m1 + (m2 - m1) * (2 / 3 - h) * 6 : m1) * 255) + 0.5) | 0;
},
/**
* @private Parses a color (like #9F0, #FF9900, rgb(255,51,153) or hsl(108, 50%, 10%)) into an array with 3 elements for red, green, and blue or if toHSL parameter is true, it will populate the array with hue, saturation, and lightness values. If a relative value is found in an hsl() or hsla() string, it will preserve those relative prefixes and all the values in the array will be strings instead of numbers (in all other cases it will be populated with numbers).
* @param {(string|number)} v The value the should be parsed which could be a string like #9F0 or rgb(255,102,51) or rgba(255,0,0,0.5) or it could be a number like 0xFF00CC or even a named color like red, blue, purple, etc.
* @param {(boolean)} toHSL If true, an hsl() or hsla() value will be returned instead of rgb() or rgba()
* @return {Array.<number>} An array containing red, green, and blue (and optionally alpha) in that order, or if the toHSL parameter was true, the array will contain hue, saturation and lightness (and optionally alpha) in that order. Always numbers unless there's a relative prefix found in an hsl() or hsla() string and toHSL is true.
*/
_parseColor = function(v, toHSL) {
var a, r, g, b, h, s, l, max, min, d, wasHSL;
if (!v) {
a = _colorLookup.black;
} else if (typeof(v) === "number") {
a = [v >> 16, (v >> 8) & 255, v & 255];
} else {
if (v.charAt(v.length - 1) === ",") { //sometimes a trailing comma is included and we should chop it off (typically from a comma-delimited list of values like a textShadow:"2px 2px 2px blue, 5px 5px 5px rgb(255,0,0)" - in this example "blue," has a trailing comma. We could strip it out inside parseComplex() but we'd need to do it to the beginning and ending values plus it wouldn't provide protection from other potential scenarios like if the user passes in a similar value.
v = v.substr(0, v.length - 1);
}
if (_colorLookup[v]) {
a = _colorLookup[v];
} else if (v.charAt(0) === "#") {
if (v.length === 4) { //for shorthand like #9F0
r = v.charAt(1);
g = v.charAt(2);
b = v.charAt(3);
v = "#" + r + r + g + g + b + b;
}
v = parseInt(v.substr(1), 16);
a = [v >> 16, (v >> 8) & 255, v & 255];
} else if (v.substr(0, 3) === "hsl") {
a = wasHSL = v.match(_numExp);
if (!toHSL) {
h = (Number(a[0]) % 360) / 360;
s = Number(a[1]) / 100;
l = Number(a[2]) / 100;
g = (l <= 0.5) ? l * (s + 1) : l + s - l * s;
r = l * 2 - g;
if (a.length > 3) {
a[3] = Number(v[3]);
}
a[0] = _hue(h + 1 / 3, r, g);
a[1] = _hue(h, r, g);
a[2] = _hue(h - 1 / 3, r, g);
} else if (v.indexOf("=") !== -1) { //if relative values are found, just return the raw strings with the relative prefixes in place.
return v.match(_relNumExp);
}
} else {
a = v.match(_numExp) || _colorLookup.transparent;
}
a[0] = Number(a[0]);
a[1] = Number(a[1]);
a[2] = Number(a[2]);
if (a.length > 3) {
a[3] = Number(a[3]);
}
}
if (toHSL && !wasHSL) {
r = a[0] / 255;
g = a[1] / 255;
b = a[2] / 255;
max = Math.max(r, g, b);
min = Math.min(r, g, b);
l = (max + min) / 2;
if (max === min) {
h = s = 0;
} else {
d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
h = (max === r) ? (g - b) / d + (g < b ? 6 : 0) : (max === g) ? (b - r) / d + 2 : (r - g) / d + 4;
h *= 60;
}
a[0] = (h + 0.5) | 0;
a[1] = (s * 100 + 0.5) | 0;
a[2] = (l * 100 + 0.5) | 0;
}
return a;
},
_formatColors = function(s, toHSL) {
var colors = (s + "").match(_colorExp) || [],
charIndex = 0,
parsed = "",
i, color, temp;
if (!colors.length) {
return s;
}
for (i = 0; i < colors.length; i++) {
color = colors[i];
temp = s.substr(charIndex, s.indexOf(color, charIndex)-charIndex);
charIndex += temp.length + color.length;
color = _parseColor(color, toHSL);
if (color.length === 3) {
color.push(1);
}
parsed += temp + (toHSL ? "hsla(" + color[0] + "," + color[1] + "%," + color[2] + "%," + color[3] : "rgba(" + color.join(",")) + ")";
}
return parsed + s.substr(charIndex);
}, p, _colorStringFilter,
TweenLite = (_gsScope.GreenSockGlobals || _gsScope).TweenLite,
_colorExp = "(?:\\b(?:(?:rgb|rgba|hsl|hsla)\\(.+?\\))|\\B#(?:[0-9a-f]{3}){1,2}\\b", //we'll dynamically build this Regular Expression to conserve file size. After building it, it will be able to find rgb(), rgba(), # (hexadecimal), and named color values like red, blue, purple, etc.
ColorPropsPlugin = _gsScope._gsDefine.plugin({
propName: "colorProps",
version: "1.5.2",
priority: -1,
API: 2,
global: true,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
var p, proxy, pt, val;
this._target = target;
this._proxy = proxy = ((value.format + "").toUpperCase() === "NUMBER") ? {} : 0;
for (p in value) {
if (p !== "format") {
if (proxy) {
this._firstNumPT = pt = {_next:this._firstNumPT, t:target, p:p, f:(typeof(target[p]) === "function")};
proxy[p] = "rgb(" + _parseColor(!pt.f ? target[p] : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]()).join(",") + ")";
val = value[p];
if (typeof(val) === "function") {
val = val(index, target);
}
this._addTween(proxy, p, "get", ((typeof(val) === "number") ? "rgb(" + _parseColor(val, false).join(",") + ")" : val), p, null, null, _colorStringFilter);
} else {
this._addTween(target, p, "get", value[p], p, null, null, _colorStringFilter, index);
}
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(v) {
var pt = this._firstNumPT,
val;
this._super.setRatio.call(this, v);
while (pt) {
val = _parseColor(this._proxy[pt.p], false);
val = val[0] << 16 | val[1] << 8 | val[2];
if (pt.f) {
this._target[pt.p](val);
} else {
this._target[pt.p] = val;
}
pt = pt._next;
}
}
});
for (p in _colorLookup) {
_colorExp += "|" + p + "\\b";
}
_colorExp = new RegExp(_colorExp+")", "gi");
ColorPropsPlugin.colorStringFilter = _colorStringFilter = function(a) {
var combined = a[0] + " " + a[1],
toHSL;
_colorExp.lastIndex = 0;
if (_colorExp.test(combined)) {
toHSL = (combined.indexOf("hsl(") !== -1 || combined.indexOf("hsla(") !== -1);
a[0] = _formatColors(a[0], toHSL);
a[1] = _formatColors(a[1], toHSL);
}
};
if (!TweenLite.defaultStringFilter) {
TweenLite.defaultStringFilter = ColorPropsPlugin.colorStringFilter;
}
ColorPropsPlugin.parseColor = _parseColor;
p = ColorPropsPlugin.prototype;
p._firstNumPT = null;
p._kill = function(lookup) {
var pt = this._firstNumPT,
prev;
while (pt) {
if (pt.p in lookup) {
if (pt === p._firstNumPT) {
this._firstNumPT = pt._next;
}
if (prev) {
prev._next = pt._next;
}
} else {
prev = pt;
}
pt = pt._next;
}
return this._super._kill(lookup);
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("ColorPropsPlugin"));
/*!
* VERSION: 1.20.0
* DATE: 2017-06-13
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine("plugins.CSSPlugin", ["plugins.TweenPlugin","TweenLite"], function(TweenPlugin, TweenLite) {
/** @constructor **/
var CSSPlugin = function() {
TweenPlugin.call(this, "css");
this._overwriteProps.length = 0;
this.setRatio = CSSPlugin.prototype.setRatio; //speed optimization (avoid prototype lookup on this "hot" method)
},
_globals = _gsScope._gsDefine.globals,
_hasPriority, //turns true whenever a CSSPropTween instance is created that has a priority other than 0. This helps us discern whether or not we should spend the time organizing the linked list or not after a CSSPlugin's _onInitTween() method is called.
_suffixMap, //we set this in _onInitTween() each time as a way to have a persistent variable we can use in other methods like _parse() without having to pass it around as a parameter and we keep _parse() decoupled from a particular CSSPlugin instance
_cs, //computed style (we store this in a shared variable to conserve memory and make minification tighter
_overwriteProps, //alias to the currently instantiating CSSPlugin's _overwriteProps array. We use this closure in order to avoid having to pass a reference around from method to method and aid in minification.
_specialProps = {},
p = CSSPlugin.prototype = new TweenPlugin("css");
p.constructor = CSSPlugin;
CSSPlugin.version = "1.20.0";
CSSPlugin.API = 2;
CSSPlugin.defaultTransformPerspective = 0;
CSSPlugin.defaultSkewType = "compensated";
CSSPlugin.defaultSmoothOrigin = true;
p = "px"; //we'll reuse the "p" variable to keep file size down
CSSPlugin.suffixMap = {top:p, right:p, bottom:p, left:p, width:p, height:p, fontSize:p, padding:p, margin:p, perspective:p, lineHeight:""};
var _numExp = /(?:\-|\.|\b)(\d|\.|e\-)+/g,
_relNumExp = /(?:\d|\-\d|\.\d|\-\.\d|\+=\d|\-=\d|\+=.\d|\-=\.\d)+/g,
_valuesExp = /(?:\+=|\-=|\-|\b)[\d\-\.]+[a-zA-Z0-9]*(?:%|\b)/gi, //finds all the values that begin with numbers or += or -= and then a number. Includes suffixes. We use this to split complex values apart like "1px 5px 20px rgb(255,102,51)"
_NaNExp = /(?![+-]?\d*\.?\d+|[+-]|e[+-]\d+)[^0-9]/g, //also allows scientific notation and doesn't kill the leading -/+ in -= and +=
_suffixExp = /(?:\d|\-|\+|=|#|\.)*/g,
_opacityExp = /opacity *= *([^)]*)/i,
_opacityValExp = /opacity:([^;]*)/i,
_alphaFilterExp = /alpha\(opacity *=.+?\)/i,
_rgbhslExp = /^(rgb|hsl)/,
_capsExp = /([A-Z])/g,
_camelExp = /-([a-z])/gi,
_urlExp = /(^(?:url\(\"|url\())|(?:(\"\))$|\)$)/gi, //for pulling out urls from url(...) or url("...") strings (some browsers wrap urls in quotes, some don't when reporting things like backgroundImage)
_camelFunc = function(s, g) { return g.toUpperCase(); },
_horizExp = /(?:Left|Right|Width)/i,
_ieGetMatrixExp = /(M11|M12|M21|M22)=[\d\-\.e]+/gi,
_ieSetMatrixExp = /progid\:DXImageTransform\.Microsoft\.Matrix\(.+?\)/i,
_commasOutsideParenExp = /,(?=[^\)]*(?:\(|$))/gi, //finds any commas that are not within parenthesis
_complexExp = /[\s,\(]/i, //for testing a string to find if it has a space, comma, or open parenthesis (clues that it's a complex value)
_DEG2RAD = Math.PI / 180,
_RAD2DEG = 180 / Math.PI,
_forcePT = {},
_dummyElement = {style:{}},
_doc = _gsScope.document || {createElement: function() {return _dummyElement;}},
_createElement = function(type, ns) {
return _doc.createElementNS ? _doc.createElementNS(ns || "http://www.w3.org/1999/xhtml", type) : _doc.createElement(type);
},
_tempDiv = _createElement("div"),
_tempImg = _createElement("img"),
_internals = CSSPlugin._internals = {_specialProps:_specialProps}, //provides a hook to a few internal methods that we need to access from inside other plugins
_agent = (_gsScope.navigator || {}).userAgent || "",
_autoRound,
_reqSafariFix, //we won't apply the Safari transform fix until we actually come across a tween that affects a transform property (to maintain best performance).
_isSafari,
_isFirefox, //Firefox has a bug that causes 3D transformed elements to randomly disappear unless a repaint is forced after each update on each element.
_isSafariLT6, //Safari (and Android 4 which uses a flavor of Safari) has a bug that prevents changes to "top" and "left" properties from rendering properly if changed on the same frame as a transform UNLESS we set the element's WebkitBackfaceVisibility to hidden (weird, I know). Doing this for Android 3 and earlier seems to actually cause other problems, though (fun!)
_ieVers,
_supportsOpacity = (function() { //we set _isSafari, _ieVers, _isFirefox, and _supportsOpacity all in one function here to reduce file size slightly, especially in the minified version.
var i = _agent.indexOf("Android"),
a = _createElement("a");
_isSafari = (_agent.indexOf("Safari") !== -1 && _agent.indexOf("Chrome") === -1 && (i === -1 || parseFloat(_agent.substr(i+8, 2)) > 3));
_isSafariLT6 = (_isSafari && (parseFloat(_agent.substr(_agent.indexOf("Version/")+8, 2)) < 6));
_isFirefox = (_agent.indexOf("Firefox") !== -1);
if ((/MSIE ([0-9]{1,}[\.0-9]{0,})/).exec(_agent) || (/Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/).exec(_agent)) {
_ieVers = parseFloat( RegExp.$1 );
}
if (!a) {
return false;
}
a.style.cssText = "top:1px;opacity:.55;";
return /^0.55/.test(a.style.opacity);
}()),
_getIEOpacity = function(v) {
return (_opacityExp.test( ((typeof(v) === "string") ? v : (v.currentStyle ? v.currentStyle.filter : v.style.filter) || "") ) ? ( parseFloat( RegExp.$1 ) / 100 ) : 1);
},
_log = function(s) {//for logging messages, but in a way that won't throw errors in old versions of IE.
if (_gsScope.console) {
console.log(s);
}
},
_target, //when initting a CSSPlugin, we set this variable so that we can access it from within many other functions without having to pass it around as params
_index, //when initting a CSSPlugin, we set this variable so that we can access it from within many other functions without having to pass it around as params
_prefixCSS = "", //the non-camelCase vendor prefix like "-o-", "-moz-", "-ms-", or "-webkit-"
_prefix = "", //camelCase vendor prefix like "O", "ms", "Webkit", or "Moz".
// @private feed in a camelCase property name like "transform" and it will check to see if it is valid as-is or if it needs a vendor prefix. It returns the corrected camelCase property name (i.e. "WebkitTransform" or "MozTransform" or "transform" or null if no such property is found, like if the browser is IE8 or before, "transform" won't be found at all)
_checkPropPrefix = function(p, e) {
e = e || _tempDiv;
var s = e.style,
a, i;
if (s[p] !== undefined) {
return p;
}
p = p.charAt(0).toUpperCase() + p.substr(1);
a = ["O","Moz","ms","Ms","Webkit"];
i = 5;
while (--i > -1 && s[a[i]+p] === undefined) { }
if (i >= 0) {
_prefix = (i === 3) ? "ms" : a[i];
_prefixCSS = "-" + _prefix.toLowerCase() + "-";
return _prefix + p;
}
return null;
},
_getComputedStyle = _doc.defaultView ? _doc.defaultView.getComputedStyle : function() {},
/**
* @private Returns the css style for a particular property of an element. For example, to get whatever the current "left" css value for an element with an ID of "myElement", you could do:
* var currentLeft = CSSPlugin.getStyle( document.getElementById("myElement"), "left");
*
* @param {!Object} t Target element whose style property you want to query
* @param {!string} p Property name (like "left" or "top" or "marginTop", etc.)
* @param {Object=} cs Computed style object. This just provides a way to speed processing if you're going to get several properties on the same element in quick succession - you can reuse the result of the getComputedStyle() call.
* @param {boolean=} calc If true, the value will not be read directly from the element's "style" property (if it exists there), but instead the getComputedStyle() result will be used. This can be useful when you want to ensure that the browser itself is interpreting the value.
* @param {string=} dflt Default value that should be returned in the place of null, "none", "auto" or "auto auto".
* @return {?string} The current property value
*/
_getStyle = CSSPlugin.getStyle = function(t, p, cs, calc, dflt) {
var rv;
if (!_supportsOpacity) if (p === "opacity") { //several versions of IE don't use the standard "opacity" property - they use things like filter:alpha(opacity=50), so we parse that here.
return _getIEOpacity(t);
}
if (!calc && t.style[p]) {
rv = t.style[p];
} else if ((cs = cs || _getComputedStyle(t))) {
rv = cs[p] || cs.getPropertyValue(p) || cs.getPropertyValue(p.replace(_capsExp, "-$1").toLowerCase());
} else if (t.currentStyle) {
rv = t.currentStyle[p];
}
return (dflt != null && (!rv || rv === "none" || rv === "auto" || rv === "auto auto")) ? dflt : rv;
},
/**
* @private Pass the target element, the property name, the numeric value, and the suffix (like "%", "em", "px", etc.) and it will spit back the equivalent pixel number.
* @param {!Object} t Target element
* @param {!string} p Property name (like "left", "top", "marginLeft", etc.)
* @param {!number} v Value
* @param {string=} sfx Suffix (like "px" or "%" or "em")
* @param {boolean=} recurse If true, the call is a recursive one. In some browsers (like IE7/8), occasionally the value isn't accurately reported initially, but if we run the function again it will take effect.
* @return {number} value in pixels
*/
_convertToPixels = _internals.convertToPixels = function(t, p, v, sfx, recurse) {
if (sfx === "px" || (!sfx && p !== "lineHeight")) { return v; }
if (sfx === "auto" || !v) { return 0; }
var horiz = _horizExp.test(p),
node = t,
style = _tempDiv.style,
neg = (v < 0),
precise = (v === 1),
pix, cache, time;
if (neg) {
v = -v;
}
if (precise) {
v *= 100;
}
if (p === "lineHeight" && !sfx) { //special case of when a simple lineHeight (without a unit) is used. Set it to the value, read back the computed value, and then revert.
cache = _getComputedStyle(t).lineHeight;
t.style.lineHeight = v;
pix = parseFloat(_getComputedStyle(t).lineHeight);
t.style.lineHeight = cache;
} else if (sfx === "%" && p.indexOf("border") !== -1) {
pix = (v / 100) * (horiz ? t.clientWidth : t.clientHeight);
} else {
style.cssText = "border:0 solid red;position:" + _getStyle(t, "position") + ";line-height:0;";
if (sfx === "%" || !node.appendChild || sfx.charAt(0) === "v" || sfx === "rem") {
node = t.parentNode || _doc.body;
if (_getStyle(node, "display").indexOf("flex") !== -1) { //Edge and IE11 have a bug that causes offsetWidth to report as 0 if the container has display:flex and the child is position:relative. Switching to position: absolute solves it.
style.position = "absolute";
}
cache = node._gsCache;
time = TweenLite.ticker.frame;
if (cache && horiz && cache.time === time) { //performance optimization: we record the width of elements along with the ticker frame so that we can quickly get it again on the same tick (seems relatively safe to assume it wouldn't change on the same tick)
return cache.width * v / 100;
}
style[(horiz ? "width" : "height")] = v + sfx;
} else {
style[(horiz ? "borderLeftWidth" : "borderTopWidth")] = v + sfx;
}
node.appendChild(_tempDiv);
pix = parseFloat(_tempDiv[(horiz ? "offsetWidth" : "offsetHeight")]);
node.removeChild(_tempDiv);
if (horiz && sfx === "%" && CSSPlugin.cacheWidths !== false) {
cache = node._gsCache = node._gsCache || {};
cache.time = time;
cache.width = pix / v * 100;
}
if (pix === 0 && !recurse) {
pix = _convertToPixels(t, p, v, sfx, true);
}
}
if (precise) {
pix /= 100;
}
return neg ? -pix : pix;
},
_calculateOffset = _internals.calculateOffset = function(t, p, cs) { //for figuring out "top" or "left" in px when it's "auto". We need to factor in margin with the offsetLeft/offsetTop
if (_getStyle(t, "position", cs) !== "absolute") { return 0; }
var dim = ((p === "left") ? "Left" : "Top"),
v = _getStyle(t, "margin" + dim, cs);
return t["offset" + dim] - (_convertToPixels(t, p, parseFloat(v), v.replace(_suffixExp, "")) || 0);
},
// @private returns at object containing ALL of the style properties in camelCase and their associated values.
_getAllStyles = function(t, cs) {
var s = {},
i, tr, p;
if ((cs = cs || _getComputedStyle(t, null))) {
if ((i = cs.length)) {
while (--i > -1) {
p = cs[i];
if (p.indexOf("-transform") === -1 || _transformPropCSS === p) { //Some webkit browsers duplicate transform values, one non-prefixed and one prefixed ("transform" and "WebkitTransform"), so we must weed out the extra one here.
s[p.replace(_camelExp, _camelFunc)] = cs.getPropertyValue(p);
}
}
} else { //some browsers behave differently - cs.length is always 0, so we must do a for...in loop.
for (i in cs) {
if (i.indexOf("Transform") === -1 || _transformProp === i) { //Some webkit browsers duplicate transform values, one non-prefixed and one prefixed ("transform" and "WebkitTransform"), so we must weed out the extra one here.
s[i] = cs[i];
}
}
}
} else if ((cs = t.currentStyle || t.style)) {
for (i in cs) {
if (typeof(i) === "string" && s[i] === undefined) {
s[i.replace(_camelExp, _camelFunc)] = cs[i];
}
}
}
if (!_supportsOpacity) {
s.opacity = _getIEOpacity(t);
}
tr = _getTransform(t, cs, false);
s.rotation = tr.rotation;
s.skewX = tr.skewX;
s.scaleX = tr.scaleX;
s.scaleY = tr.scaleY;
s.x = tr.x;
s.y = tr.y;
if (_supports3D) {
s.z = tr.z;
s.rotationX = tr.rotationX;
s.rotationY = tr.rotationY;
s.scaleZ = tr.scaleZ;
}
if (s.filters) {
delete s.filters;
}
return s;
},
// @private analyzes two style objects (as returned by _getAllStyles()) and only looks for differences between them that contain tweenable values (like a number or color). It returns an object with a "difs" property which refers to an object containing only those isolated properties and values for tweening, and a "firstMPT" property which refers to the first MiniPropTween instance in a linked list that recorded all the starting values of the different properties so that we can revert to them at the end or beginning of the tween - we don't want the cascading to get messed up. The forceLookup parameter is an optional generic object with properties that should be forced into the results - this is necessary for className tweens that are overwriting others because imagine a scenario where a rollover/rollout adds/removes a class and the user swipes the mouse over the target SUPER fast, thus nothing actually changed yet and the subsequent comparison of the properties would indicate they match (especially when px rounding is taken into consideration), thus no tweening is necessary even though it SHOULD tween and remove those properties after the tween (otherwise the inline styles will contaminate things). See the className SpecialProp code for details.
_cssDif = function(t, s1, s2, vars, forceLookup) {
var difs = {},
style = t.style,
val, p, mpt;
for (p in s2) {
if (p !== "cssText") if (p !== "length") if (isNaN(p)) if (s1[p] !== (val = s2[p]) || (forceLookup && forceLookup[p])) if (p.indexOf("Origin") === -1) if (typeof(val) === "number" || typeof(val) === "string") {
difs[p] = (val === "auto" && (p === "left" || p === "top")) ? _calculateOffset(t, p) : ((val === "" || val === "auto" || val === "none") && typeof(s1[p]) === "string" && s1[p].replace(_NaNExp, "") !== "") ? 0 : val; //if the ending value is defaulting ("" or "auto"), we check the starting value and if it can be parsed into a number (a string which could have a suffix too, like 700px), then we swap in 0 for "" or "auto" so that things actually tween.
if (style[p] !== undefined) { //for className tweens, we must remember which properties already existed inline - the ones that didn't should be removed when the tween isn't in progress because they were only introduced to facilitate the transition between classes.
mpt = new MiniPropTween(style, p, style[p], mpt);
}
}
}
if (vars) {
for (p in vars) { //copy properties (except className)
if (p !== "className") {
difs[p] = vars[p];
}
}
}
return {difs:difs, firstMPT:mpt};
},
_dimensions = {width:["Left","Right"], height:["Top","Bottom"]},
_margins = ["marginLeft","marginRight","marginTop","marginBottom"],
/**
* @private Gets the width or height of an element
* @param {!Object} t Target element
* @param {!string} p Property name ("width" or "height")
* @param {Object=} cs Computed style object (if one exists). Just a speed optimization.
* @return {number} Dimension (in pixels)
*/
_getDimension = function(t, p, cs) {
if ((t.nodeName + "").toLowerCase() === "svg") { //Chrome no longer supports offsetWidth/offsetHeight on SVG elements.
return (cs || _getComputedStyle(t))[p] || 0;
} else if (t.getCTM && _isSVG(t)) {
return t.getBBox()[p] || 0;
}
var v = parseFloat((p === "width") ? t.offsetWidth : t.offsetHeight),
a = _dimensions[p],
i = a.length;
cs = cs || _getComputedStyle(t, null);
while (--i > -1) {
v -= parseFloat( _getStyle(t, "padding" + a[i], cs, true) ) || 0;
v -= parseFloat( _getStyle(t, "border" + a[i] + "Width", cs, true) ) || 0;
}
return v;
},
// @private Parses position-related complex strings like "top left" or "50px 10px" or "70% 20%", etc. which are used for things like transformOrigin or backgroundPosition. Optionally decorates a supplied object (recObj) with the following properties: "ox" (offsetX), "oy" (offsetY), "oxp" (if true, "ox" is a percentage not a pixel value), and "oxy" (if true, "oy" is a percentage not a pixel value)
_parsePosition = function(v, recObj) {
if (v === "contain" || v === "auto" || v === "auto auto") { //note: Firefox uses "auto auto" as default whereas Chrome uses "auto".
return v + " ";
}
if (v == null || v === "") {
v = "0 0";
}
var a = v.split(" "),
x = (v.indexOf("left") !== -1) ? "0%" : (v.indexOf("right") !== -1) ? "100%" : a[0],
y = (v.indexOf("top") !== -1) ? "0%" : (v.indexOf("bottom") !== -1) ? "100%" : a[1],
i;
if (a.length > 3 && !recObj) { //multiple positions
a = v.split(", ").join(",").split(",");
v = [];
for (i = 0; i < a.length; i++) {
v.push(_parsePosition(a[i]));
}
return v.join(",");
}
if (y == null) {
y = (x === "center") ? "50%" : "0";
} else if (y === "center") {
y = "50%";
}
if (x === "center" || (isNaN(parseFloat(x)) && (x + "").indexOf("=") === -1)) { //remember, the user could flip-flop the values and say "bottom center" or "center bottom", etc. "center" is ambiguous because it could be used to describe horizontal or vertical, hence the isNaN(). If there's an "=" sign in the value, it's relative.
x = "50%";
}
v = x + " " + y + ((a.length > 2) ? " " + a[2] : "");
if (recObj) {
recObj.oxp = (x.indexOf("%") !== -1);
recObj.oyp = (y.indexOf("%") !== -1);
recObj.oxr = (x.charAt(1) === "=");
recObj.oyr = (y.charAt(1) === "=");
recObj.ox = parseFloat(x.replace(_NaNExp, ""));
recObj.oy = parseFloat(y.replace(_NaNExp, ""));
recObj.v = v;
}
return recObj || v;
},
/**
* @private Takes an ending value (typically a string, but can be a number) and a starting value and returns the change between the two, looking for relative value indicators like += and -= and it also ignores suffixes (but make sure the ending value starts with a number or +=/-= and that the starting value is a NUMBER!)
* @param {(number|string)} e End value which is typically a string, but could be a number
* @param {(number|string)} b Beginning value which is typically a string but could be a number
* @return {number} Amount of change between the beginning and ending values (relative values that have a "+=" or "-=" are recognized)
*/
_parseChange = function(e, b) {
if (typeof(e) === "function") {
e = e(_index, _target);
}
return (typeof(e) === "string" && e.charAt(1) === "=") ? parseInt(e.charAt(0) + "1", 10) * parseFloat(e.substr(2)) : (parseFloat(e) - parseFloat(b)) || 0;
},
/**
* @private Takes a value and a default number, checks if the value is relative, null, or numeric and spits back a normalized number accordingly. Primarily used in the _parseTransform() function.
* @param {Object} v Value to be parsed
* @param {!number} d Default value (which is also used for relative calculations if "+=" or "-=" is found in the first parameter)
* @return {number} Parsed value
*/
_parseVal = function(v, d) {
if (typeof(v) === "function") {
v = v(_index, _target);
}
return (v == null) ? d : (typeof(v) === "string" && v.charAt(1) === "=") ? parseInt(v.charAt(0) + "1", 10) * parseFloat(v.substr(2)) + d : parseFloat(v) || 0;
},
/**
* @private Translates strings like "40deg" or "40" or 40rad" or "+=40deg" or "270_short" or "-90_cw" or "+=45_ccw" to a numeric radian angle. Of course a starting/default value must be fed in too so that relative values can be calculated properly.
* @param {Object} v Value to be parsed
* @param {!number} d Default value (which is also used for relative calculations if "+=" or "-=" is found in the first parameter)
* @param {string=} p property name for directionalEnd (optional - only used when the parsed value is directional ("_short", "_cw", or "_ccw" suffix). We need a way to store the uncompensated value so that at the end of the tween, we set it to exactly what was requested with no directional compensation). Property name would be "rotation", "rotationX", or "rotationY"
* @param {Object=} directionalEnd An object that will store the raw end values for directional angles ("_short", "_cw", or "_ccw" suffix). We need a way to store the uncompensated value so that at the end of the tween, we set it to exactly what was requested with no directional compensation.
* @return {number} parsed angle in radians
*/
_parseAngle = function(v, d, p, directionalEnd) {
var min = 0.000001,
cap, split, dif, result, isRelative;
if (typeof(v) === "function") {
v = v(_index, _target);
}
if (v == null) {
result = d;
} else if (typeof(v) === "number") {
result = v;
} else {
cap = 360;
split = v.split("_");
isRelative = (v.charAt(1) === "=");
dif = (isRelative ? parseInt(v.charAt(0) + "1", 10) * parseFloat(split[0].substr(2)) : parseFloat(split[0])) * ((v.indexOf("rad") === -1) ? 1 : _RAD2DEG) - (isRelative ? 0 : d);
if (split.length) {
if (directionalEnd) {
directionalEnd[p] = d + dif;
}
if (v.indexOf("short") !== -1) {
dif = dif % cap;
if (dif !== dif % (cap / 2)) {
dif = (dif < 0) ? dif + cap : dif - cap;
}
}
if (v.indexOf("_cw") !== -1 && dif < 0) {
dif = ((dif + cap * 9999999999) % cap) - ((dif / cap) | 0) * cap;
} else if (v.indexOf("ccw") !== -1 && dif > 0) {
dif = ((dif - cap * 9999999999) % cap) - ((dif / cap) | 0) * cap;
}
}
result = d + dif;
}
if (result < min && result > -min) {
result = 0;
}
return result;
},
_colorLookup = {aqua:[0,255,255],
lime:[0,255,0],
silver:[192,192,192],
black:[0,0,0],
maroon:[128,0,0],
teal:[0,128,128],
blue:[0,0,255],
navy:[0,0,128],
white:[255,255,255],
fuchsia:[255,0,255],
olive:[128,128,0],
yellow:[255,255,0],
orange:[255,165,0],
gray:[128,128,128],
purple:[128,0,128],
green:[0,128,0],
red:[255,0,0],
pink:[255,192,203],
cyan:[0,255,255],
transparent:[255,255,255,0]},
_hue = function(h, m1, m2) {
h = (h < 0) ? h + 1 : (h > 1) ? h - 1 : h;
return ((((h * 6 < 1) ? m1 + (m2 - m1) * h * 6 : (h < 0.5) ? m2 : (h * 3 < 2) ? m1 + (m2 - m1) * (2 / 3 - h) * 6 : m1) * 255) + 0.5) | 0;
},
/**
* @private Parses a color (like #9F0, #FF9900, rgb(255,51,153) or hsl(108, 50%, 10%)) into an array with 3 elements for red, green, and blue or if toHSL parameter is true, it will populate the array with hue, saturation, and lightness values. If a relative value is found in an hsl() or hsla() string, it will preserve those relative prefixes and all the values in the array will be strings instead of numbers (in all other cases it will be populated with numbers).
* @param {(string|number)} v The value the should be parsed which could be a string like #9F0 or rgb(255,102,51) or rgba(255,0,0,0.5) or it could be a number like 0xFF00CC or even a named color like red, blue, purple, etc.
* @param {(boolean)} toHSL If true, an hsl() or hsla() value will be returned instead of rgb() or rgba()
* @return {Array.<number>} An array containing red, green, and blue (and optionally alpha) in that order, or if the toHSL parameter was true, the array will contain hue, saturation and lightness (and optionally alpha) in that order. Always numbers unless there's a relative prefix found in an hsl() or hsla() string and toHSL is true.
*/
_parseColor = CSSPlugin.parseColor = function(v, toHSL) {
var a, r, g, b, h, s, l, max, min, d, wasHSL;
if (!v) {
a = _colorLookup.black;
} else if (typeof(v) === "number") {
a = [v >> 16, (v >> 8) & 255, v & 255];
} else {
if (v.charAt(v.length - 1) === ",") { //sometimes a trailing comma is included and we should chop it off (typically from a comma-delimited list of values like a textShadow:"2px 2px 2px blue, 5px 5px 5px rgb(255,0,0)" - in this example "blue," has a trailing comma. We could strip it out inside parseComplex() but we'd need to do it to the beginning and ending values plus it wouldn't provide protection from other potential scenarios like if the user passes in a similar value.
v = v.substr(0, v.length - 1);
}
if (_colorLookup[v]) {
a = _colorLookup[v];
} else if (v.charAt(0) === "#") {
if (v.length === 4) { //for shorthand like #9F0
r = v.charAt(1);
g = v.charAt(2);
b = v.charAt(3);
v = "#" + r + r + g + g + b + b;
}
v = parseInt(v.substr(1), 16);
a = [v >> 16, (v >> 8) & 255, v & 255];
} else if (v.substr(0, 3) === "hsl") {
a = wasHSL = v.match(_numExp);
if (!toHSL) {
h = (Number(a[0]) % 360) / 360;
s = Number(a[1]) / 100;
l = Number(a[2]) / 100;
g = (l <= 0.5) ? l * (s + 1) : l + s - l * s;
r = l * 2 - g;
if (a.length > 3) {
a[3] = Number(v[3]);
}
a[0] = _hue(h + 1 / 3, r, g);
a[1] = _hue(h, r, g);
a[2] = _hue(h - 1 / 3, r, g);
} else if (v.indexOf("=") !== -1) { //if relative values are found, just return the raw strings with the relative prefixes in place.
return v.match(_relNumExp);
}
} else {
a = v.match(_numExp) || _colorLookup.transparent;
}
a[0] = Number(a[0]);
a[1] = Number(a[1]);
a[2] = Number(a[2]);
if (a.length > 3) {
a[3] = Number(a[3]);
}
}
if (toHSL && !wasHSL) {
r = a[0] / 255;
g = a[1] / 255;
b = a[2] / 255;
max = Math.max(r, g, b);
min = Math.min(r, g, b);
l = (max + min) / 2;
if (max === min) {
h = s = 0;
} else {
d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
h = (max === r) ? (g - b) / d + (g < b ? 6 : 0) : (max === g) ? (b - r) / d + 2 : (r - g) / d + 4;
h *= 60;
}
a[0] = (h + 0.5) | 0;
a[1] = (s * 100 + 0.5) | 0;
a[2] = (l * 100 + 0.5) | 0;
}
return a;
},
_formatColors = function(s, toHSL) {
var colors = s.match(_colorExp) || [],
charIndex = 0,
parsed = "",
i, color, temp;
if (!colors.length) {
return s;
}
for (i = 0; i < colors.length; i++) {
color = colors[i];
temp = s.substr(charIndex, s.indexOf(color, charIndex)-charIndex);
charIndex += temp.length + color.length;
color = _parseColor(color, toHSL);
if (color.length === 3) {
color.push(1);
}
parsed += temp + (toHSL ? "hsla(" + color[0] + "," + color[1] + "%," + color[2] + "%," + color[3] : "rgba(" + color.join(",")) + ")";
}
return parsed + s.substr(charIndex);
},
_colorExp = "(?:\\b(?:(?:rgb|rgba|hsl|hsla)\\(.+?\\))|\\B#(?:[0-9a-f]{3}){1,2}\\b"; //we'll dynamically build this Regular Expression to conserve file size. After building it, it will be able to find rgb(), rgba(), # (hexadecimal), and named color values like red, blue, purple, etc.
for (p in _colorLookup) {
_colorExp += "|" + p + "\\b";
}
_colorExp = new RegExp(_colorExp+")", "gi");
CSSPlugin.colorStringFilter = function(a) {
var combined = a[0] + " " + a[1],
toHSL;
if (_colorExp.test(combined)) {
toHSL = (combined.indexOf("hsl(") !== -1 || combined.indexOf("hsla(") !== -1);
a[0] = _formatColors(a[0], toHSL);
a[1] = _formatColors(a[1], toHSL);
}
_colorExp.lastIndex = 0;
};
if (!TweenLite.defaultStringFilter) {
TweenLite.defaultStringFilter = CSSPlugin.colorStringFilter;
}
/**
* @private Returns a formatter function that handles taking a string (or number in some cases) and returning a consistently formatted one in terms of delimiters, quantity of values, etc. For example, we may get boxShadow values defined as "0px red" or "0px 0px 10px rgb(255,0,0)" or "0px 0px 20px 20px #F00" and we need to ensure that what we get back is described with 4 numbers and a color. This allows us to feed it into the _parseComplex() method and split the values up appropriately. The neat thing about this _getFormatter() function is that the dflt defines a pattern as well as a default, so for example, _getFormatter("0px 0px 0px 0px #777", true) not only sets the default as 0px for all distances and #777 for the color, but also sets the pattern such that 4 numbers and a color will always get returned.
* @param {!string} dflt The default value and pattern to follow. So "0px 0px 0px 0px #777" will ensure that 4 numbers and a color will always get returned.
* @param {boolean=} clr If true, the values should be searched for color-related data. For example, boxShadow values typically contain a color whereas borderRadius don't.
* @param {boolean=} collapsible If true, the value is a top/left/right/bottom style one that acts like margin or padding, where if only one value is received, it's used for all 4; if 2 are received, the first is duplicated for 3rd (bottom) and the 2nd is duplicated for the 4th spot (left), etc.
* @return {Function} formatter function
*/
var _getFormatter = function(dflt, clr, collapsible, multi) {
if (dflt == null) {
return function(v) {return v;};
}
var dColor = clr ? (dflt.match(_colorExp) || [""])[0] : "",
dVals = dflt.split(dColor).join("").match(_valuesExp) || [],
pfx = dflt.substr(0, dflt.indexOf(dVals[0])),
sfx = (dflt.charAt(dflt.length - 1) === ")") ? ")" : "",
delim = (dflt.indexOf(" ") !== -1) ? " " : ",",
numVals = dVals.length,
dSfx = (numVals > 0) ? dVals[0].replace(_numExp, "") : "",
formatter;
if (!numVals) {
return function(v) {return v;};
}
if (clr) {
formatter = function(v) {
var color, vals, i, a;
if (typeof(v) === "number") {
v += dSfx;
} else if (multi && _commasOutsideParenExp.test(v)) {
a = v.replace(_commasOutsideParenExp, "|").split("|");
for (i = 0; i < a.length; i++) {
a[i] = formatter(a[i]);
}
return a.join(",");
}
color = (v.match(_colorExp) || [dColor])[0];
vals = v.split(color).join("").match(_valuesExp) || [];
i = vals.length;
if (numVals > i--) {
while (++i < numVals) {
vals[i] = collapsible ? vals[(((i - 1) / 2) | 0)] : dVals[i];
}
}
return pfx + vals.join(delim) + delim + color + sfx + (v.indexOf("inset") !== -1 ? " inset" : "");
};
return formatter;
}
formatter = function(v) {
var vals, a, i;
if (typeof(v) === "number") {
v += dSfx;
} else if (multi && _commasOutsideParenExp.test(v)) {
a = v.replace(_commasOutsideParenExp, "|").split("|");
for (i = 0; i < a.length; i++) {
a[i] = formatter(a[i]);
}
return a.join(",");
}
vals = v.match(_valuesExp) || [];
i = vals.length;
if (numVals > i--) {
while (++i < numVals) {
vals[i] = collapsible ? vals[(((i - 1) / 2) | 0)] : dVals[i];
}
}
return pfx + vals.join(delim) + sfx;
};
return formatter;
},
/**
* @private returns a formatter function that's used for edge-related values like marginTop, marginLeft, paddingBottom, paddingRight, etc. Just pass a comma-delimited list of property names related to the edges.
* @param {!string} props a comma-delimited list of property names in order from top to left, like "marginTop,marginRight,marginBottom,marginLeft"
* @return {Function} a formatter function
*/
_getEdgeParser = function(props) {
props = props.split(",");
return function(t, e, p, cssp, pt, plugin, vars) {
var a = (e + "").split(" "),
i;
vars = {};
for (i = 0; i < 4; i++) {
vars[props[i]] = a[i] = a[i] || a[(((i - 1) / 2) >> 0)];
}
return cssp.parse(t, vars, pt, plugin);
};
},
// @private used when other plugins must tween values first, like BezierPlugin or ThrowPropsPlugin, etc. That plugin's setRatio() gets called first so that the values are updated, and then we loop through the MiniPropTweens which handle copying the values into their appropriate slots so that they can then be applied correctly in the main CSSPlugin setRatio() method. Remember, we typically create a proxy object that has a bunch of uniquely-named properties that we feed to the sub-plugin and it does its magic normally, and then we must interpret those values and apply them to the css because often numbers must get combined/concatenated, suffixes added, etc. to work with css, like boxShadow could have 4 values plus a color.
_setPluginRatio = _internals._setPluginRatio = function(v) {
this.plugin.setRatio(v);
var d = this.data,
proxy = d.proxy,
mpt = d.firstMPT,
min = 0.000001,
val, pt, i, str, p;
while (mpt) {
val = proxy[mpt.v];
if (mpt.r) {
val = Math.round(val);
} else if (val < min && val > -min) {
val = 0;
}
mpt.t[mpt.p] = val;
mpt = mpt._next;
}
if (d.autoRotate) {
d.autoRotate.rotation = d.mod ? d.mod(proxy.rotation, this.t) : proxy.rotation; //special case for ModifyPlugin to hook into an auto-rotating bezier
}
//at the end, we must set the CSSPropTween's "e" (end) value dynamically here because that's what is used in the final setRatio() method. Same for "b" at the beginning.
if (v === 1 || v === 0) {
mpt = d.firstMPT;
p = (v === 1) ? "e" : "b";
while (mpt) {
pt = mpt.t;
if (!pt.type) {
pt[p] = pt.s + pt.xs0;
} else if (pt.type === 1) {
str = pt.xs0 + pt.s + pt.xs1;
for (i = 1; i < pt.l; i++) {
str += pt["xn"+i] + pt["xs"+(i+1)];
}
pt[p] = str;
}
mpt = mpt._next;
}
}
},
/**
* @private @constructor Used by a few SpecialProps to hold important values for proxies. For example, _parseToProxy() creates a MiniPropTween instance for each property that must get tweened on the proxy, and we record the original property name as well as the unique one we create for the proxy, plus whether or not the value needs to be rounded plus the original value.
* @param {!Object} t target object whose property we're tweening (often a CSSPropTween)
* @param {!string} p property name
* @param {(number|string|object)} v value
* @param {MiniPropTween=} next next MiniPropTween in the linked list
* @param {boolean=} r if true, the tweened value should be rounded to the nearest integer
*/
MiniPropTween = function(t, p, v, next, r) {
this.t = t;
this.p = p;
this.v = v;
this.r = r;
if (next) {
next._prev = this;
this._next = next;
}
},
/**
* @private Most other plugins (like BezierPlugin and ThrowPropsPlugin and others) can only tween numeric values, but CSSPlugin must accommodate special values that have a bunch of extra data (like a suffix or strings between numeric values, etc.). For example, boxShadow has values like "10px 10px 20px 30px rgb(255,0,0)" which would utterly confuse other plugins. This method allows us to split that data apart and grab only the numeric data and attach it to uniquely-named properties of a generic proxy object ({}) so that we can feed that to virtually any plugin to have the numbers tweened. However, we must also keep track of which properties from the proxy go with which CSSPropTween values and instances. So we create a linked list of MiniPropTweens. Each one records a target (the original CSSPropTween), property (like "s" or "xn1" or "xn2") that we're tweening and the unique property name that was used for the proxy (like "boxShadow_xn1" and "boxShadow_xn2") and whether or not they need to be rounded. That way, in the _setPluginRatio() method we can simply copy the values over from the proxy to the CSSPropTween instance(s). Then, when the main CSSPlugin setRatio() method runs and applies the CSSPropTween values accordingly, they're updated nicely. So the external plugin tweens the numbers, _setPluginRatio() copies them over, and setRatio() acts normally, applying css-specific values to the element.
* This method returns an object that has the following properties:
* - proxy: a generic object containing the starting values for all the properties that will be tweened by the external plugin. This is what we feed to the external _onInitTween() as the target
* - end: a generic object containing the ending values for all the properties that will be tweened by the external plugin. This is what we feed to the external plugin's _onInitTween() as the destination values
* - firstMPT: the first MiniPropTween in the linked list
* - pt: the first CSSPropTween in the linked list that was created when parsing. If shallow is true, this linked list will NOT attach to the one passed into the _parseToProxy() as the "pt" (4th) parameter.
* @param {!Object} t target object to be tweened
* @param {!(Object|string)} vars the object containing the information about the tweening values (typically the end/destination values) that should be parsed
* @param {!CSSPlugin} cssp The CSSPlugin instance
* @param {CSSPropTween=} pt the next CSSPropTween in the linked list
* @param {TweenPlugin=} plugin the external TweenPlugin instance that will be handling tweening the numeric values
* @param {boolean=} shallow if true, the resulting linked list from the parse will NOT be attached to the CSSPropTween that was passed in as the "pt" (4th) parameter.
* @return An object containing the following properties: proxy, end, firstMPT, and pt (see above for descriptions)
*/
_parseToProxy = _internals._parseToProxy = function(t, vars, cssp, pt, plugin, shallow) {
var bpt = pt,
start = {},
end = {},
transform = cssp._transform,
oldForce = _forcePT,
i, p, xp, mpt, firstPT;
cssp._transform = null;
_forcePT = vars;
pt = firstPT = cssp.parse(t, vars, pt, plugin);
_forcePT = oldForce;
//break off from the linked list so the new ones are isolated.
if (shallow) {
cssp._transform = transform;
if (bpt) {
bpt._prev = null;
if (bpt._prev) {
bpt._prev._next = null;
}
}
}
while (pt && pt !== bpt) {
if (pt.type <= 1) {
p = pt.p;
end[p] = pt.s + pt.c;
start[p] = pt.s;
if (!shallow) {
mpt = new MiniPropTween(pt, "s", p, mpt, pt.r);
pt.c = 0;
}
if (pt.type === 1) {
i = pt.l;
while (--i > 0) {
xp = "xn" + i;
p = pt.p + "_" + xp;
end[p] = pt.data[xp];
start[p] = pt[xp];
if (!shallow) {
mpt = new MiniPropTween(pt, xp, p, mpt, pt.rxp[xp]);
}
}
}
}
pt = pt._next;
}
return {proxy:start, end:end, firstMPT:mpt, pt:firstPT};
},
/**
* @constructor Each property that is tweened has at least one CSSPropTween associated with it. These instances store important information like the target, property, starting value, amount of change, etc. They can also optionally have a number of "extra" strings and numeric values named xs1, xn1, xs2, xn2, xs3, xn3, etc. where "s" indicates string and "n" indicates number. These can be pieced together in a complex-value tween (type:1) that has alternating types of data like a string, number, string, number, etc. For example, boxShadow could be "5px 5px 8px rgb(102, 102, 51)". In that value, there are 6 numbers that may need to tween and then pieced back together into a string again with spaces, suffixes, etc. xs0 is special in that it stores the suffix for standard (type:0) tweens, -OR- the first string (prefix) in a complex-value (type:1) CSSPropTween -OR- it can be the non-tweening value in a type:-1 CSSPropTween. We do this to conserve memory.
* CSSPropTweens have the following optional properties as well (not defined through the constructor):
* - l: Length in terms of the number of extra properties that the CSSPropTween has (default: 0). For example, for a boxShadow we may need to tween 5 numbers in which case l would be 5; Keep in mind that the start/end values for the first number that's tweened are always stored in the s and c properties to conserve memory. All additional values thereafter are stored in xn1, xn2, etc.
* - xfirst: The first instance of any sub-CSSPropTweens that are tweening properties of this instance. For example, we may split up a boxShadow tween so that there's a main CSSPropTween of type:1 that has various xs* and xn* values associated with the h-shadow, v-shadow, blur, color, etc. Then we spawn a CSSPropTween for each of those that has a higher priority and runs BEFORE the main CSSPropTween so that the values are all set by the time it needs to re-assemble them. The xfirst gives us an easy way to identify the first one in that chain which typically ends at the main one (because they're all prepende to the linked list)
* - plugin: The TweenPlugin instance that will handle the tweening of any complex values. For example, sometimes we don't want to use normal subtweens (like xfirst refers to) to tween the values - we might want ThrowPropsPlugin or BezierPlugin some other plugin to do the actual tweening, so we create a plugin instance and store a reference here. We need this reference so that if we get a request to round values or disable a tween, we can pass along that request.
* - data: Arbitrary data that needs to be stored with the CSSPropTween. Typically if we're going to have a plugin handle the tweening of a complex-value tween, we create a generic object that stores the END values that we're tweening to and the CSSPropTween's xs1, xs2, etc. have the starting values. We store that object as data. That way, we can simply pass that object to the plugin and use the CSSPropTween as the target.
* - setRatio: Only used for type:2 tweens that require custom functionality. In this case, we call the CSSPropTween's setRatio() method and pass the ratio each time the tween updates. This isn't quite as efficient as doing things directly in the CSSPlugin's setRatio() method, but it's very convenient and flexible.
* @param {!Object} t Target object whose property will be tweened. Often a DOM element, but not always. It could be anything.
* @param {string} p Property to tween (name). For example, to tween element.width, p would be "width".
* @param {number} s Starting numeric value
* @param {number} c Change in numeric value over the course of the entire tween. For example, if element.width starts at 5 and should end at 100, c would be 95.
* @param {CSSPropTween=} next The next CSSPropTween in the linked list. If one is defined, we will define its _prev as the new instance, and the new instance's _next will be pointed at it.
* @param {number=} type The type of CSSPropTween where -1 = a non-tweening value, 0 = a standard simple tween, 1 = a complex value (like one that has multiple numbers in a comma- or space-delimited string like border:"1px solid red"), and 2 = one that uses a custom setRatio function that does all of the work of applying the values on each update.
* @param {string=} n Name of the property that should be used for overwriting purposes which is typically the same as p but not always. For example, we may need to create a subtween for the 2nd part of a "clip:rect(...)" tween in which case "p" might be xs1 but "n" is still "clip"
* @param {boolean=} r If true, the value(s) should be rounded
* @param {number=} pr Priority in the linked list order. Higher priority CSSPropTweens will be updated before lower priority ones. The default priority is 0.
* @param {string=} b Beginning value. We store this to ensure that it is EXACTLY what it was when the tween began without any risk of interpretation issues.
* @param {string=} e Ending value. We store this to ensure that it is EXACTLY what the user defined at the end of the tween without any risk of interpretation issues.
*/
CSSPropTween = _internals.CSSPropTween = function(t, p, s, c, next, type, n, r, pr, b, e) {
this.t = t; //target
this.p = p; //property
this.s = s; //starting value
this.c = c; //change value
this.n = n || p; //name that this CSSPropTween should be associated to (usually the same as p, but not always - n is what overwriting looks at)
if (!(t instanceof CSSPropTween)) {
_overwriteProps.push(this.n);
}
this.r = r; //round (boolean)
this.type = type || 0; //0 = normal tween, -1 = non-tweening (in which case xs0 will be applied to the target's property, like tp.t[tp.p] = tp.xs0), 1 = complex-value SpecialProp, 2 = custom setRatio() that does all the work
if (pr) {
this.pr = pr;
_hasPriority = true;
}
this.b = (b === undefined) ? s : b;
this.e = (e === undefined) ? s + c : e;
if (next) {
this._next = next;
next._prev = this;
}
},
_addNonTweeningNumericPT = function(target, prop, start, end, next, overwriteProp) { //cleans up some code redundancies and helps minification. Just a fast way to add a NUMERIC non-tweening CSSPropTween
var pt = new CSSPropTween(target, prop, start, end - start, next, -1, overwriteProp);
pt.b = start;
pt.e = pt.xs0 = end;
return pt;
},
/**
* Takes a target, the beginning value and ending value (as strings) and parses them into a CSSPropTween (possibly with child CSSPropTweens) that accommodates multiple numbers, colors, comma-delimited values, etc. For example:
* sp.parseComplex(element, "boxShadow", "5px 10px 20px rgb(255,102,51)", "0px 0px 0px red", true, "0px 0px 0px rgb(0,0,0,0)", pt);
* It will walk through the beginning and ending values (which should be in the same format with the same number and type of values) and figure out which parts are numbers, what strings separate the numeric/tweenable values, and then create the CSSPropTweens accordingly. If a plugin is defined, no child CSSPropTweens will be created. Instead, the ending values will be stored in the "data" property of the returned CSSPropTween like: {s:-5, xn1:-10, xn2:-20, xn3:255, xn4:0, xn5:0} so that it can be fed to any other plugin and it'll be plain numeric tweens but the recomposition of the complex value will be handled inside CSSPlugin's setRatio().
* If a setRatio is defined, the type of the CSSPropTween will be set to 2 and recomposition of the values will be the responsibility of that method.
*
* @param {!Object} t Target whose property will be tweened
* @param {!string} p Property that will be tweened (its name, like "left" or "backgroundColor" or "boxShadow")
* @param {string} b Beginning value
* @param {string} e Ending value
* @param {boolean} clrs If true, the value could contain a color value like "rgb(255,0,0)" or "#F00" or "red". The default is false, so no colors will be recognized (a performance optimization)
* @param {(string|number|Object)} dflt The default beginning value that should be used if no valid beginning value is defined or if the number of values inside the complex beginning and ending values don't match
* @param {?CSSPropTween} pt CSSPropTween instance that is the current head of the linked list (we'll prepend to this).
* @param {number=} pr Priority in the linked list order. Higher priority properties will be updated before lower priority ones. The default priority is 0.
* @param {TweenPlugin=} plugin If a plugin should handle the tweening of extra properties, pass the plugin instance here. If one is defined, then NO subtweens will be created for any extra properties (the properties will be created - just not additional CSSPropTween instances to tween them) because the plugin is expected to do so. However, the end values WILL be populated in the "data" property, like {s:100, xn1:50, xn2:300}
* @param {function(number)=} setRatio If values should be set in a custom function instead of being pieced together in a type:1 (complex-value) CSSPropTween, define that custom function here.
* @return {CSSPropTween} The first CSSPropTween in the linked list which includes the new one(s) added by the parseComplex() call.
*/
_parseComplex = CSSPlugin.parseComplex = function(t, p, b, e, clrs, dflt, pt, pr, plugin, setRatio) {
//DEBUG: _log("parseComplex: "+p+", b: "+b+", e: "+e);
b = b || dflt || "";
if (typeof(e) === "function") {
e = e(_index, _target);
}
pt = new CSSPropTween(t, p, 0, 0, pt, (setRatio ? 2 : 1), null, false, pr, b, e);
e += ""; //ensures it's a string
if (clrs && _colorExp.test(e + b)) { //if colors are found, normalize the formatting to rgba() or hsla().
e = [b, e];
CSSPlugin.colorStringFilter(e);
b = e[0];
e = e[1];
}
var ba = b.split(", ").join(",").split(" "), //beginning array
ea = e.split(", ").join(",").split(" "), //ending array
l = ba.length,
autoRound = (_autoRound !== false),
i, xi, ni, bv, ev, bnums, enums, bn, hasAlpha, temp, cv, str, useHSL;
if (e.indexOf(",") !== -1 || b.indexOf(",") !== -1) {
ba = ba.join(" ").replace(_commasOutsideParenExp, ", ").split(" ");
ea = ea.join(" ").replace(_commasOutsideParenExp, ", ").split(" ");
l = ba.length;
}
if (l !== ea.length) {
//DEBUG: _log("mismatched formatting detected on " + p + " (" + b + " vs " + e + ")");
ba = (dflt || "").split(" ");
l = ba.length;
}
pt.plugin = plugin;
pt.setRatio = setRatio;
_colorExp.lastIndex = 0;
for (i = 0; i < l; i++) {
bv = ba[i];
ev = ea[i];
bn = parseFloat(bv);
//if the value begins with a number (most common). It's fine if it has a suffix like px
if (bn || bn === 0) {
pt.appendXtra("", bn, _parseChange(ev, bn), ev.replace(_relNumExp, ""), (autoRound && ev.indexOf("px") !== -1), true);
//if the value is a color
} else if (clrs && _colorExp.test(bv)) {
str = ev.indexOf(")") + 1;
str = ")" + (str ? ev.substr(str) : ""); //if there's a comma or ) at the end, retain it.
useHSL = (ev.indexOf("hsl") !== -1 && _supportsOpacity);
temp = ev; //original string value so we can look for any prefix later.
bv = _parseColor(bv, useHSL);
ev = _parseColor(ev, useHSL);
hasAlpha = (bv.length + ev.length > 6);
if (hasAlpha && !_supportsOpacity && ev[3] === 0) { //older versions of IE don't support rgba(), so if the destination alpha is 0, just use "transparent" for the end color
pt["xs" + pt.l] += pt.l ? " transparent" : "transparent";
pt.e = pt.e.split(ea[i]).join("transparent");
} else {
if (!_supportsOpacity) { //old versions of IE don't support rgba().
hasAlpha = false;
}
if (useHSL) {
pt.appendXtra(temp.substr(0, temp.indexOf("hsl")) + (hasAlpha ? "hsla(" : "hsl("), bv[0], _parseChange(ev[0], bv[0]), ",", false, true)
.appendXtra("", bv[1], _parseChange(ev[1], bv[1]), "%,", false)
.appendXtra("", bv[2], _parseChange(ev[2], bv[2]), (hasAlpha ? "%," : "%" + str), false);
} else {
pt.appendXtra(temp.substr(0, temp.indexOf("rgb")) + (hasAlpha ? "rgba(" : "rgb("), bv[0], ev[0] - bv[0], ",", true, true)
.appendXtra("", bv[1], ev[1] - bv[1], ",", true)
.appendXtra("", bv[2], ev[2] - bv[2], (hasAlpha ? "," : str), true);
}
if (hasAlpha) {
bv = (bv.length < 4) ? 1 : bv[3];
pt.appendXtra("", bv, ((ev.length < 4) ? 1 : ev[3]) - bv, str, false);
}
}
_colorExp.lastIndex = 0; //otherwise the test() on the RegExp could move the lastIndex and taint future results.
} else {
bnums = bv.match(_numExp); //gets each group of numbers in the beginning value string and drops them into an array
//if no number is found, treat it as a non-tweening value and just append the string to the current xs.
if (!bnums) {
pt["xs" + pt.l] += (pt.l || pt["xs" + pt.l]) ? " " + ev : ev;
//loop through all the numbers that are found and construct the extra values on the pt.
} else {
enums = ev.match(_relNumExp); //get each group of numbers in the end value string and drop them into an array. We allow relative values too, like +=50 or -=.5
if (!enums || enums.length !== bnums.length) {
//DEBUG: _log("mismatched formatting detected on " + p + " (" + b + " vs " + e + ")");
return pt;
}
ni = 0;
for (xi = 0; xi < bnums.length; xi++) {
cv = bnums[xi];
temp = bv.indexOf(cv, ni);
pt.appendXtra(bv.substr(ni, temp - ni), Number(cv), _parseChange(enums[xi], cv), "", (autoRound && bv.substr(temp + cv.length, 2) === "px"), (xi === 0));
ni = temp + cv.length;
}
pt["xs" + pt.l] += bv.substr(ni);
}
}
}
//if there are relative values ("+=" or "-=" prefix), we need to adjust the ending value to eliminate the prefixes and combine the values properly.
if (e.indexOf("=") !== -1) if (pt.data) {
str = pt.xs0 + pt.data.s;
for (i = 1; i < pt.l; i++) {
str += pt["xs" + i] + pt.data["xn" + i];
}
pt.e = str + pt["xs" + i];
}
if (!pt.l) {
pt.type = -1;
pt.xs0 = pt.e;
}
return pt.xfirst || pt;
},
i = 9;
p = CSSPropTween.prototype;
p.l = p.pr = 0; //length (number of extra properties like xn1, xn2, xn3, etc.
while (--i > 0) {
p["xn" + i] = 0;
p["xs" + i] = "";
}
p.xs0 = "";
p._next = p._prev = p.xfirst = p.data = p.plugin = p.setRatio = p.rxp = null;
/**
* Appends and extra tweening value to a CSSPropTween and automatically manages any prefix and suffix strings. The first extra value is stored in the s and c of the main CSSPropTween instance, but thereafter any extras are stored in the xn1, xn2, xn3, etc. The prefixes and suffixes are stored in the xs0, xs1, xs2, etc. properties. For example, if I walk through a clip value like "rect(10px, 5px, 0px, 20px)", the values would be stored like this:
* xs0:"rect(", s:10, xs1:"px, ", xn1:5, xs2:"px, ", xn2:0, xs3:"px, ", xn3:20, xn4:"px)"
* And they'd all get joined together when the CSSPlugin renders (in the setRatio() method).
* @param {string=} pfx Prefix (if any)
* @param {!number} s Starting value
* @param {!number} c Change in numeric value over the course of the entire tween. For example, if the start is 5 and the end is 100, the change would be 95.
* @param {string=} sfx Suffix (if any)
* @param {boolean=} r Round (if true).
* @param {boolean=} pad If true, this extra value should be separated by the previous one by a space. If there is no previous extra and pad is true, it will automatically drop the space.
* @return {CSSPropTween} returns itself so that multiple methods can be chained together.
*/
p.appendXtra = function(pfx, s, c, sfx, r, pad) {
var pt = this,
l = pt.l;
pt["xs" + l] += (pad && (l || pt["xs" + l])) ? " " + pfx : pfx || "";
if (!c) if (l !== 0 && !pt.plugin) { //typically we'll combine non-changing values right into the xs to optimize performance, but we don't combine them when there's a plugin that will be tweening the values because it may depend on the values being split apart, like for a bezier, if a value doesn't change between the first and second iteration but then it does on the 3rd, we'll run into trouble because there's no xn slot for that value!
pt["xs" + l] += s + (sfx || "");
return pt;
}
pt.l++;
pt.type = pt.setRatio ? 2 : 1;
pt["xs" + pt.l] = sfx || "";
if (l > 0) {
pt.data["xn" + l] = s + c;
pt.rxp["xn" + l] = r; //round extra property (we need to tap into this in the _parseToProxy() method)
pt["xn" + l] = s;
if (!pt.plugin) {
pt.xfirst = new CSSPropTween(pt, "xn" + l, s, c, pt.xfirst || pt, 0, pt.n, r, pt.pr);
pt.xfirst.xs0 = 0; //just to ensure that the property stays numeric which helps modern browsers speed up processing. Remember, in the setRatio() method, we do pt.t[pt.p] = val + pt.xs0 so if pt.xs0 is "" (the default), it'll cast the end value as a string. When a property is a number sometimes and a string sometimes, it prevents the compiler from locking in the data type, slowing things down slightly.
}
return pt;
}
pt.data = {s:s + c};
pt.rxp = {};
pt.s = s;
pt.c = c;
pt.r = r;
return pt;
};
/**
* @constructor A SpecialProp is basically a css property that needs to be treated in a non-standard way, like if it may contain a complex value like boxShadow:"5px 10px 15px rgb(255, 102, 51)" or if it is associated with another plugin like ThrowPropsPlugin or BezierPlugin. Every SpecialProp is associated with a particular property name like "boxShadow" or "throwProps" or "bezier" and it will intercept those values in the vars object that's passed to the CSSPlugin and handle them accordingly.
* @param {!string} p Property name (like "boxShadow" or "throwProps")
* @param {Object=} options An object containing any of the following configuration options:
* - defaultValue: the default value
* - parser: A function that should be called when the associated property name is found in the vars. This function should return a CSSPropTween instance and it should ensure that it is properly inserted into the linked list. It will receive 4 paramters: 1) The target, 2) The value defined in the vars, 3) The CSSPlugin instance (whose _firstPT should be used for the linked list), and 4) A computed style object if one was calculated (this is a speed optimization that allows retrieval of starting values quicker)
* - formatter: a function that formats any value received for this special property (for example, boxShadow could take "5px 5px red" and format it to "5px 5px 0px 0px red" so that both the beginning and ending values have a common order and quantity of values.)
* - prefix: if true, we'll determine whether or not this property requires a vendor prefix (like Webkit or Moz or ms or O)
* - color: set this to true if the value for this SpecialProp may contain color-related values like rgb(), rgba(), etc.
* - priority: priority in the linked list order. Higher priority SpecialProps will be updated before lower priority ones. The default priority is 0.
* - multi: if true, the formatter should accommodate a comma-delimited list of values, like boxShadow could have multiple boxShadows listed out.
* - collapsible: if true, the formatter should treat the value like it's a top/right/bottom/left value that could be collapsed, like "5px" would apply to all, "5px, 10px" would use 5px for top/bottom and 10px for right/left, etc.
* - keyword: a special keyword that can [optionally] be found inside the value (like "inset" for boxShadow). This allows us to validate beginning/ending values to make sure they match (if the keyword is found in one, it'll be added to the other for consistency by default).
*/
var SpecialProp = function(p, options) {
options = options || {};
this.p = options.prefix ? _checkPropPrefix(p) || p : p;
_specialProps[p] = _specialProps[this.p] = this;
this.format = options.formatter || _getFormatter(options.defaultValue, options.color, options.collapsible, options.multi);
if (options.parser) {
this.parse = options.parser;
}
this.clrs = options.color;
this.multi = options.multi;
this.keyword = options.keyword;
this.dflt = options.defaultValue;
this.pr = options.priority || 0;
},
//shortcut for creating a new SpecialProp that can accept multiple properties as a comma-delimited list (helps minification). dflt can be an array for multiple values (we don't do a comma-delimited list because the default value may contain commas, like rect(0px,0px,0px,0px)). We attach this method to the SpecialProp class/object instead of using a private _createSpecialProp() method so that we can tap into it externally if necessary, like from another plugin.
_registerComplexSpecialProp = _internals._registerComplexSpecialProp = function(p, options, defaults) {
if (typeof(options) !== "object") {
options = {parser:defaults}; //to make backwards compatible with older versions of BezierPlugin and ThrowPropsPlugin
}
var a = p.split(","),
d = options.defaultValue,
i, temp;
defaults = defaults || [d];
for (i = 0; i < a.length; i++) {
options.prefix = (i === 0 && options.prefix);
options.defaultValue = defaults[i] || d;
temp = new SpecialProp(a[i], options);
}
},
//creates a placeholder special prop for a plugin so that the property gets caught the first time a tween of it is attempted, and at that time it makes the plugin register itself, thus taking over for all future tweens of that property. This allows us to not mandate that things load in a particular order and it also allows us to log() an error that informs the user when they attempt to tween an external plugin-related property without loading its .js file.
_registerPluginProp = _internals._registerPluginProp = function(p) {
if (!_specialProps[p]) {
var pluginName = p.charAt(0).toUpperCase() + p.substr(1) + "Plugin";
_registerComplexSpecialProp(p, {parser:function(t, e, p, cssp, pt, plugin, vars) {
var pluginClass = _globals.com.greensock.plugins[pluginName];
if (!pluginClass) {
_log("Error: " + pluginName + " js file not loaded.");
return pt;
}
pluginClass._cssRegister();
return _specialProps[p].parse(t, e, p, cssp, pt, plugin, vars);
}});
}
};
p = SpecialProp.prototype;
/**
* Alias for _parseComplex() that automatically plugs in certain values for this SpecialProp, like its property name, whether or not colors should be sensed, the default value, and priority. It also looks for any keyword that the SpecialProp defines (like "inset" for boxShadow) and ensures that the beginning and ending values have the same number of values for SpecialProps where multi is true (like boxShadow and textShadow can have a comma-delimited list)
* @param {!Object} t target element
* @param {(string|number|object)} b beginning value
* @param {(string|number|object)} e ending (destination) value
* @param {CSSPropTween=} pt next CSSPropTween in the linked list
* @param {TweenPlugin=} plugin If another plugin will be tweening the complex value, that TweenPlugin instance goes here.
* @param {function=} setRatio If a custom setRatio() method should be used to handle this complex value, that goes here.
* @return {CSSPropTween=} First CSSPropTween in the linked list
*/
p.parseComplex = function(t, b, e, pt, plugin, setRatio) {
var kwd = this.keyword,
i, ba, ea, l, bi, ei;
//if this SpecialProp's value can contain a comma-delimited list of values (like boxShadow or textShadow), we must parse them in a special way, and look for a keyword (like "inset" for boxShadow) and ensure that the beginning and ending BOTH have it if the end defines it as such. We also must ensure that there are an equal number of values specified (we can't tween 1 boxShadow to 3 for example)
if (this.multi) if (_commasOutsideParenExp.test(e) || _commasOutsideParenExp.test(b)) {
ba = b.replace(_commasOutsideParenExp, "|").split("|");
ea = e.replace(_commasOutsideParenExp, "|").split("|");
} else if (kwd) {
ba = [b];
ea = [e];
}
if (ea) {
l = (ea.length > ba.length) ? ea.length : ba.length;
for (i = 0; i < l; i++) {
b = ba[i] = ba[i] || this.dflt;
e = ea[i] = ea[i] || this.dflt;
if (kwd) {
bi = b.indexOf(kwd);
ei = e.indexOf(kwd);
if (bi !== ei) {
if (ei === -1) { //if the keyword isn't in the end value, remove it from the beginning one.
ba[i] = ba[i].split(kwd).join("");
} else if (bi === -1) { //if the keyword isn't in the beginning, add it.
ba[i] += " " + kwd;
}
}
}
}
b = ba.join(", ");
e = ea.join(", ");
}
return _parseComplex(t, this.p, b, e, this.clrs, this.dflt, pt, this.pr, plugin, setRatio);
};
/**
* Accepts a target and end value and spits back a CSSPropTween that has been inserted into the CSSPlugin's linked list and conforms with all the conventions we use internally, like type:-1, 0, 1, or 2, setting up any extra property tweens, priority, etc. For example, if we have a boxShadow SpecialProp and call:
* this._firstPT = sp.parse(element, "5px 10px 20px rgb(2550,102,51)", "boxShadow", this);
* It should figure out the starting value of the element's boxShadow, compare it to the provided end value and create all the necessary CSSPropTweens of the appropriate types to tween the boxShadow. The CSSPropTween that gets spit back should already be inserted into the linked list (the 4th parameter is the current head, so prepend to that).
* @param {!Object} t Target object whose property is being tweened
* @param {Object} e End value as provided in the vars object (typically a string, but not always - like a throwProps would be an object).
* @param {!string} p Property name
* @param {!CSSPlugin} cssp The CSSPlugin instance that should be associated with this tween.
* @param {?CSSPropTween} pt The CSSPropTween that is the current head of the linked list (we'll prepend to it)
* @param {TweenPlugin=} plugin If a plugin will be used to tween the parsed value, this is the plugin instance.
* @param {Object=} vars Original vars object that contains the data for parsing.
* @return {CSSPropTween} The first CSSPropTween in the linked list which includes the new one(s) added by the parse() call.
*/
p.parse = function(t, e, p, cssp, pt, plugin, vars) {
return this.parseComplex(t.style, this.format(_getStyle(t, this.p, _cs, false, this.dflt)), this.format(e), pt, plugin);
};
/**
* Registers a special property that should be intercepted from any "css" objects defined in tweens. This allows you to handle them however you want without CSSPlugin doing it for you. The 2nd parameter should be a function that accepts 3 parameters:
* 1) Target object whose property should be tweened (typically a DOM element)
* 2) The end/destination value (could be a string, number, object, or whatever you want)
* 3) The tween instance (you probably don't need to worry about this, but it can be useful for looking up information like the duration)
*
* Then, your function should return a function which will be called each time the tween gets rendered, passing a numeric "ratio" parameter to your function that indicates the change factor (usually between 0 and 1). For example:
*
* CSSPlugin.registerSpecialProp("myCustomProp", function(target, value, tween) {
* var start = target.style.width;
* return function(ratio) {
* target.style.width = (start + value * ratio) + "px";
* console.log("set width to " + target.style.width);
* }
* }, 0);
*
* Then, when I do this tween, it will trigger my special property:
*
* TweenLite.to(element, 1, {css:{myCustomProp:100}});
*
* In the example, of course, we're just changing the width, but you can do anything you want.
*
* @param {!string} name Property name (or comma-delimited list of property names) that should be intercepted and handled by your function. For example, if I define "myCustomProp", then it would handle that portion of the following tween: TweenLite.to(element, 1, {css:{myCustomProp:100}})
* @param {!function(Object, Object, Object, string):function(number)} onInitTween The function that will be called when a tween of this special property is performed. The function will receive 4 parameters: 1) Target object that should be tweened, 2) Value that was passed to the tween, 3) The tween instance itself (rarely used), and 4) The property name that's being tweened. Your function should return a function that should be called on every update of the tween. That function will receive a single parameter that is a "change factor" value (typically between 0 and 1) indicating the amount of change as a ratio. You can use this to determine how to set the values appropriately in your function.
* @param {number=} priority Priority that helps the engine determine the order in which to set the properties (default: 0). Higher priority properties will be updated before lower priority ones.
*/
CSSPlugin.registerSpecialProp = function(name, onInitTween, priority) {
_registerComplexSpecialProp(name, {parser:function(t, e, p, cssp, pt, plugin, vars) {
var rv = new CSSPropTween(t, p, 0, 0, pt, 2, p, false, priority);
rv.plugin = plugin;
rv.setRatio = onInitTween(t, e, cssp._tween, p);
return rv;
}, priority:priority});
};
//transform-related methods and properties
CSSPlugin.useSVGTransformAttr = true; //Safari and Firefox both have some rendering bugs when applying CSS transforms to SVG elements, so default to using the "transform" attribute instead (users can override this).
var _transformProps = ("scaleX,scaleY,scaleZ,x,y,z,skewX,skewY,rotation,rotationX,rotationY,perspective,xPercent,yPercent").split(","),
_transformProp = _checkPropPrefix("transform"), //the Javascript (camelCase) transform property, like msTransform, WebkitTransform, MozTransform, or OTransform.
_transformPropCSS = _prefixCSS + "transform",
_transformOriginProp = _checkPropPrefix("transformOrigin"),
_supports3D = (_checkPropPrefix("perspective") !== null),
Transform = _internals.Transform = function() {
this.perspective = parseFloat(CSSPlugin.defaultTransformPerspective) || 0;
this.force3D = (CSSPlugin.defaultForce3D === false || !_supports3D) ? false : CSSPlugin.defaultForce3D || "auto";
},
_SVGElement = _gsScope.SVGElement,
_useSVGTransformAttr,
//Some browsers (like Firefox and IE) don't honor transform-origin properly in SVG elements, so we need to manually adjust the matrix accordingly. We feature detect here rather than always doing the conversion for certain browsers because they may fix the problem at some point in the future.
_createSVG = function(type, container, attributes) {
var element = _doc.createElementNS("http://www.w3.org/2000/svg", type),
reg = /([a-z])([A-Z])/g,
p;
for (p in attributes) {
element.setAttributeNS(null, p.replace(reg, "$1-$2").toLowerCase(), attributes[p]);
}
container.appendChild(element);
return element;
},
_docElement = _doc.documentElement || {},
_forceSVGTransformAttr = (function() {
//IE and Android stock don't support CSS transforms on SVG elements, so we must write them to the "transform" attribute. We populate this variable in the _parseTransform() method, and only if/when we come across an SVG element
var force = _ieVers || (/Android/i.test(_agent) && !_gsScope.chrome),
svg, rect, width;
if (_doc.createElementNS && !force) { //IE8 and earlier doesn't support SVG anyway
svg = _createSVG("svg", _docElement);
rect = _createSVG("rect", svg, {width:100, height:50, x:100});
width = rect.getBoundingClientRect().width;
rect.style[_transformOriginProp] = "50% 50%";
rect.style[_transformProp] = "scaleX(0.5)";
force = (width === rect.getBoundingClientRect().width && !(_isFirefox && _supports3D)); //note: Firefox fails the test even though it does support CSS transforms in 3D. Since we can't push 3D stuff into the transform attribute, we force Firefox to pass the test here (as long as it does truly support 3D).
_docElement.removeChild(svg);
}
return force;
})(),
_parseSVGOrigin = function(e, local, decoratee, absolute, smoothOrigin, skipRecord) {
var tm = e._gsTransform,
m = _getMatrix(e, true),
v, x, y, xOrigin, yOrigin, a, b, c, d, tx, ty, determinant, xOriginOld, yOriginOld;
if (tm) {
xOriginOld = tm.xOrigin; //record the original values before we alter them.
yOriginOld = tm.yOrigin;
}
if (!absolute || (v = absolute.split(" ")).length < 2) {
b = e.getBBox();
if (b.x === 0 && b.y === 0 && b.width + b.height === 0) { //some browsers (like Firefox) misreport the bounds if the element has zero width and height (it just assumes it's at x:0, y:0), thus we need to manually grab the position in that case.
b = {x: parseFloat(e.hasAttribute("x") ? e.getAttribute("x") : e.hasAttribute("cx") ? e.getAttribute("cx") : 0) || 0, y: parseFloat(e.hasAttribute("y") ? e.getAttribute("y") : e.hasAttribute("cy") ? e.getAttribute("cy") : 0) || 0, width:0, height:0};
}
local = _parsePosition(local).split(" ");
v = [(local[0].indexOf("%") !== -1 ? parseFloat(local[0]) / 100 * b.width : parseFloat(local[0])) + b.x,
(local[1].indexOf("%") !== -1 ? parseFloat(local[1]) / 100 * b.height : parseFloat(local[1])) + b.y];
}
decoratee.xOrigin = xOrigin = parseFloat(v[0]);
decoratee.yOrigin = yOrigin = parseFloat(v[1]);
if (absolute && m !== _identity2DMatrix) { //if svgOrigin is being set, we must invert the matrix and determine where the absolute point is, factoring in the current transforms. Otherwise, the svgOrigin would be based on the element's non-transformed position on the canvas.
a = m[0];
b = m[1];
c = m[2];
d = m[3];
tx = m[4];
ty = m[5];
determinant = (a * d - b * c);
if (determinant) { //if it's zero (like if scaleX and scaleY are zero), skip it to avoid errors with dividing by zero.
x = xOrigin * (d / determinant) + yOrigin * (-c / determinant) + ((c * ty - d * tx) / determinant);
y = xOrigin * (-b / determinant) + yOrigin * (a / determinant) - ((a * ty - b * tx) / determinant);
xOrigin = decoratee.xOrigin = v[0] = x;
yOrigin = decoratee.yOrigin = v[1] = y;
}
}
if (tm) { //avoid jump when transformOrigin is changed - adjust the x/y values accordingly
if (skipRecord) {
decoratee.xOffset = tm.xOffset;
decoratee.yOffset = tm.yOffset;
tm = decoratee;
}
if (smoothOrigin || (smoothOrigin !== false && CSSPlugin.defaultSmoothOrigin !== false)) {
x = xOrigin - xOriginOld;
y = yOrigin - yOriginOld;
//originally, we simply adjusted the x and y values, but that would cause problems if, for example, you created a rotational tween part-way through an x/y tween. Managing the offset in a separate variable gives us ultimate flexibility.
//tm.x -= x - (x * m[0] + y * m[2]);
//tm.y -= y - (x * m[1] + y * m[3]);
tm.xOffset += (x * m[0] + y * m[2]) - x;
tm.yOffset += (x * m[1] + y * m[3]) - y;
} else {
tm.xOffset = tm.yOffset = 0;
}
}
if (!skipRecord) {
e.setAttribute("data-svg-origin", v.join(" "));
}
},
_getBBoxHack = function(swapIfPossible) { //works around issues in some browsers (like Firefox) that don't correctly report getBBox() on SVG elements inside a <defs> element and/or <mask>. We try creating an SVG, adding it to the documentElement and toss the element in there so that it's definitely part of the rendering tree, then grab the bbox and if it works, we actually swap out the original getBBox() method for our own that does these extra steps whenever getBBox is needed. This helps ensure that performance is optimal (only do all these extra steps when absolutely necessary...most elements don't need it).
var svg = _createElement("svg", this.ownerSVGElement.getAttribute("xmlns") || "http://www.w3.org/2000/svg"),
oldParent = this.parentNode,
oldSibling = this.nextSibling,
oldCSS = this.style.cssText,
bbox;
_docElement.appendChild(svg);
svg.appendChild(this);
this.style.display = "block";
if (swapIfPossible) {
try {
bbox = this.getBBox();
this._originalGetBBox = this.getBBox;
this.getBBox = _getBBoxHack;
} catch (e) { }
} else if (this._originalGetBBox) {
bbox = this._originalGetBBox();
}
if (oldSibling) {
oldParent.insertBefore(this, oldSibling);
} else {
oldParent.appendChild(this);
}
_docElement.removeChild(svg);
this.style.cssText = oldCSS;
return bbox;
},
_getBBox = function(e) {
try {
return e.getBBox(); //Firefox throws errors if you try calling getBBox() on an SVG element that's not rendered (like in a <symbol> or <defs>). https://bugzilla.mozilla.org/show_bug.cgi?id=612118
} catch (error) {
return _getBBoxHack.call(e, true);
}
},
_isSVG = function(e) { //reports if the element is an SVG on which getBBox() actually works
return !!(_SVGElement && e.getCTM && _getBBox(e) && (!e.parentNode || e.ownerSVGElement));
},
_identity2DMatrix = [1,0,0,1,0,0],
_getMatrix = function(e, force2D) {
var tm = e._gsTransform || new Transform(),
rnd = 100000,
style = e.style,
isDefault, s, m, n, dec, none;
if (_transformProp) {
s = _getStyle(e, _transformPropCSS, null, true);
} else if (e.currentStyle) {
//for older versions of IE, we need to interpret the filter portion that is in the format: progid:DXImageTransform.Microsoft.Matrix(M11=6.123233995736766e-17, M12=-1, M21=1, M22=6.123233995736766e-17, sizingMethod='auto expand') Notice that we need to swap b and c compared to a normal matrix.
s = e.currentStyle.filter.match(_ieGetMatrixExp);
s = (s && s.length === 4) ? [s[0].substr(4), Number(s[2].substr(4)), Number(s[1].substr(4)), s[3].substr(4), (tm.x || 0), (tm.y || 0)].join(",") : "";
}
isDefault = (!s || s === "none" || s === "matrix(1, 0, 0, 1, 0, 0)");
if (_transformProp && ((none = (_getComputedStyle(e).display === "none")) || !e.parentNode)) {
if (none) { //browsers don't report transforms accurately unless the element is in the DOM and has a display value that's not "none". Firefox and Microsoft browsers have a partial bug where they'll report transforms even if display:none BUT not any percentage-based values like translate(-50%, 8px) will be reported as if it's translate(0, 8px).
n = style.display;
style.display = "block";
}
if (!e.parentNode) {
dec = 1; //flag
_docElement.appendChild(e);
}
s = _getStyle(e, _transformPropCSS, null, true);
isDefault = (!s || s === "none" || s === "matrix(1, 0, 0, 1, 0, 0)");
if (n) {
style.display = n;
} else if (none) {
_removeProp(style, "display");
}
if (dec) {
_docElement.removeChild(e);
}
}
if (tm.svg || (e.getCTM && _isSVG(e))) {
if (isDefault && (style[_transformProp] + "").indexOf("matrix") !== -1) { //some browsers (like Chrome 40) don't correctly report transforms that are applied inline on an SVG element (they don't get included in the computed style), so we double-check here and accept matrix values
s = style[_transformProp];
isDefault = 0;
}
m = e.getAttribute("transform");
if (isDefault && m) {
if (m.indexOf("matrix") !== -1) { //just in case there's a "transform" value specified as an attribute instead of CSS style. Accept either a matrix() or simple translate() value though.
s = m;
isDefault = 0;
} else if (m.indexOf("translate") !== -1) {
s = "matrix(1,0,0,1," + m.match(/(?:\-|\b)[\d\-\.e]+\b/gi).join(",") + ")";
isDefault = 0;
}
}
}
if (isDefault) {
return _identity2DMatrix;
}
//split the matrix values out into an array (m for matrix)
m = (s || "").match(_numExp) || [];
i = m.length;
while (--i > -1) {
n = Number(m[i]);
m[i] = (dec = n - (n |= 0)) ? ((dec * rnd + (dec < 0 ? -0.5 : 0.5)) | 0) / rnd + n : n; //convert strings to Numbers and round to 5 decimal places to avoid issues with tiny numbers. Roughly 20x faster than Number.toFixed(). We also must make sure to round before dividing so that values like 0.9999999999 become 1 to avoid glitches in browser rendering and interpretation of flipped/rotated 3D matrices. And don't just multiply the number by rnd, floor it, and then divide by rnd because the bitwise operations max out at a 32-bit signed integer, thus it could get clipped at a relatively low value (like 22,000.00000 for example).
}
return (force2D && m.length > 6) ? [m[0], m[1], m[4], m[5], m[12], m[13]] : m;
},
/**
* Parses the transform values for an element, returning an object with x, y, z, scaleX, scaleY, scaleZ, rotation, rotationX, rotationY, skewX, and skewY properties. Note: by default (for performance reasons), all skewing is combined into skewX and rotation but skewY still has a place in the transform object so that we can record how much of the skew is attributed to skewX vs skewY. Remember, a skewY of 10 looks the same as a rotation of 10 and skewX of -10.
* @param {!Object} t target element
* @param {Object=} cs computed style object (optional)
* @param {boolean=} rec if true, the transform values will be recorded to the target element's _gsTransform object, like target._gsTransform = {x:0, y:0, z:0, scaleX:1...}
* @param {boolean=} parse if true, we'll ignore any _gsTransform values that already exist on the element, and force a reparsing of the css (calculated style)
* @return {object} object containing all of the transform properties/values like {x:0, y:0, z:0, scaleX:1...}
*/
_getTransform = _internals.getTransform = function(t, cs, rec, parse) {
if (t._gsTransform && rec && !parse) {
return t._gsTransform; //if the element already has a _gsTransform, use that. Note: some browsers don't accurately return the calculated style for the transform (particularly for SVG), so it's almost always safest to just use the values we've already applied rather than re-parsing things.
}
var tm = rec ? t._gsTransform || new Transform() : new Transform(),
invX = (tm.scaleX < 0), //in order to interpret things properly, we need to know if the user applied a negative scaleX previously so that we can adjust the rotation and skewX accordingly. Otherwise, if we always interpret a flipped matrix as affecting scaleY and the user only wants to tween the scaleX on multiple sequential tweens, it would keep the negative scaleY without that being the user's intent.
min = 0.00002,
rnd = 100000,
zOrigin = _supports3D ? parseFloat(_getStyle(t, _transformOriginProp, cs, false, "0 0 0").split(" ")[2]) || tm.zOrigin || 0 : 0,
defaultTransformPerspective = parseFloat(CSSPlugin.defaultTransformPerspective) || 0,
m, i, scaleX, scaleY, rotation, skewX;
tm.svg = !!(t.getCTM && _isSVG(t));
if (tm.svg) {
_parseSVGOrigin(t, _getStyle(t, _transformOriginProp, cs, false, "50% 50%") + "", tm, t.getAttribute("data-svg-origin"));
_useSVGTransformAttr = CSSPlugin.useSVGTransformAttr || _forceSVGTransformAttr;
}
m = _getMatrix(t);
if (m !== _identity2DMatrix) {
if (m.length === 16) {
//we'll only look at these position-related 6 variables first because if x/y/z all match, it's relatively safe to assume we don't need to re-parse everything which risks losing important rotational information (like rotationX:180 plus rotationY:180 would look the same as rotation:180 - there's no way to know for sure which direction was taken based solely on the matrix3d() values)
var a11 = m[0], a21 = m[1], a31 = m[2], a41 = m[3],
a12 = m[4], a22 = m[5], a32 = m[6], a42 = m[7],
a13 = m[8], a23 = m[9], a33 = m[10],
a14 = m[12], a24 = m[13], a34 = m[14],
a43 = m[11],
angle = Math.atan2(a32, a33),
t1, t2, t3, t4, cos, sin;
//we manually compensate for non-zero z component of transformOrigin to work around bugs in Safari
if (tm.zOrigin) {
a34 = -tm.zOrigin;
a14 = a13*a34-m[12];
a24 = a23*a34-m[13];
a34 = a33*a34+tm.zOrigin-m[14];
}
//note for possible future consolidation: rotationX: Math.atan2(a32, a33), rotationY: Math.atan2(-a31, Math.sqrt(a33 * a33 + a32 * a32)), rotation: Math.atan2(a21, a11), skew: Math.atan2(a12, a22). However, it doesn't seem to be quite as reliable as the full-on backwards rotation procedure.
tm.rotationX = angle * _RAD2DEG;
//rotationX
if (angle) {
cos = Math.cos(-angle);
sin = Math.sin(-angle);
t1 = a12*cos+a13*sin;
t2 = a22*cos+a23*sin;
t3 = a32*cos+a33*sin;
a13 = a12*-sin+a13*cos;
a23 = a22*-sin+a23*cos;
a33 = a32*-sin+a33*cos;
a43 = a42*-sin+a43*cos;
a12 = t1;
a22 = t2;
a32 = t3;
}
//rotationY
angle = Math.atan2(-a31, a33);
tm.rotationY = angle * _RAD2DEG;
if (angle) {
cos = Math.cos(-angle);
sin = Math.sin(-angle);
t1 = a11*cos-a13*sin;
t2 = a21*cos-a23*sin;
t3 = a31*cos-a33*sin;
a23 = a21*sin+a23*cos;
a33 = a31*sin+a33*cos;
a43 = a41*sin+a43*cos;
a11 = t1;
a21 = t2;
a31 = t3;
}
//rotationZ
angle = Math.atan2(a21, a11);
tm.rotation = angle * _RAD2DEG;
if (angle) {
cos = Math.cos(angle);
sin = Math.sin(angle);
t1 = a11*cos+a21*sin;
t2 = a12*cos+a22*sin;
t3 = a13*cos+a23*sin;
a21 = a21*cos-a11*sin;
a22 = a22*cos-a12*sin;
a23 = a23*cos-a13*sin;
a11 = t1;
a12 = t2;
a13 = t3;
}
if (tm.rotationX && Math.abs(tm.rotationX) + Math.abs(tm.rotation) > 359.9) { //when rotationY is set, it will often be parsed as 180 degrees different than it should be, and rotationX and rotation both being 180 (it looks the same), so we adjust for that here.
tm.rotationX = tm.rotation = 0;
tm.rotationY = 180 - tm.rotationY;
}
//skewX
angle = Math.atan2(a12, a22);
//scales
tm.scaleX = ((Math.sqrt(a11 * a11 + a21 * a21 + a31 * a31) * rnd + 0.5) | 0) / rnd;
tm.scaleY = ((Math.sqrt(a22 * a22 + a32 * a32) * rnd + 0.5) | 0) / rnd;
tm.scaleZ = ((Math.sqrt(a13 * a13 + a23 * a23 + a33 * a33) * rnd + 0.5) | 0) / rnd;
a11 /= tm.scaleX;
a12 /= tm.scaleY;
a21 /= tm.scaleX;
a22 /= tm.scaleY;
if (Math.abs(angle) > min) {
tm.skewX = angle * _RAD2DEG;
a12 = 0; //unskews
if (tm.skewType !== "simple") {
tm.scaleY *= 1 / Math.cos(angle); //by default, we compensate the scale based on the skew so that the element maintains a similar proportion when skewed, so we have to alter the scaleY here accordingly to match the default (non-adjusted) skewing that CSS does (stretching more and more as it skews).
}
} else {
tm.skewX = 0;
}
/* //for testing purposes
var transform = "matrix3d(",
comma = ",",
zero = "0";
a13 /= tm.scaleZ;
a23 /= tm.scaleZ;
a31 /= tm.scaleX;
a32 /= tm.scaleY;
a33 /= tm.scaleZ;
transform += ((a11 < min && a11 > -min) ? zero : a11) + comma + ((a21 < min && a21 > -min) ? zero : a21) + comma + ((a31 < min && a31 > -min) ? zero : a31);
transform += comma + ((a41 < min && a41 > -min) ? zero : a41) + comma + ((a12 < min && a12 > -min) ? zero : a12) + comma + ((a22 < min && a22 > -min) ? zero : a22);
transform += comma + ((a32 < min && a32 > -min) ? zero : a32) + comma + ((a42 < min && a42 > -min) ? zero : a42) + comma + ((a13 < min && a13 > -min) ? zero : a13);
transform += comma + ((a23 < min && a23 > -min) ? zero : a23) + comma + ((a33 < min && a33 > -min) ? zero : a33) + comma + ((a43 < min && a43 > -min) ? zero : a43) + comma;
transform += a14 + comma + a24 + comma + a34 + comma + (tm.perspective ? (1 + (-a34 / tm.perspective)) : 1) + ")";
console.log(transform);
document.querySelector(".test").style[_transformProp] = transform;
*/
tm.perspective = a43 ? 1 / ((a43 < 0) ? -a43 : a43) : 0;
tm.x = a14;
tm.y = a24;
tm.z = a34;
if (tm.svg) {
tm.x -= tm.xOrigin - (tm.xOrigin * a11 - tm.yOrigin * a12);
tm.y -= tm.yOrigin - (tm.yOrigin * a21 - tm.xOrigin * a22);
}
} else if ((!_supports3D || parse || !m.length || tm.x !== m[4] || tm.y !== m[5] || (!tm.rotationX && !tm.rotationY))) { //sometimes a 6-element matrix is returned even when we performed 3D transforms, like if rotationX and rotationY are 180. In cases like this, we still need to honor the 3D transforms. If we just rely on the 2D info, it could affect how the data is interpreted, like scaleY might get set to -1 or rotation could get offset by 180 degrees. For example, do a TweenLite.to(element, 1, {css:{rotationX:180, rotationY:180}}) and then later, TweenLite.to(element, 1, {css:{rotationX:0}}) and without this conditional logic in place, it'd jump to a state of being unrotated when the 2nd tween starts. Then again, we need to honor the fact that the user COULD alter the transforms outside of CSSPlugin, like by manually applying new css, so we try to sense that by looking at x and y because if those changed, we know the changes were made outside CSSPlugin and we force a reinterpretation of the matrix values. Also, in Webkit browsers, if the element's "display" is "none", its calculated style value will always return empty, so if we've already recorded the values in the _gsTransform object, we'll just rely on those.
var k = (m.length >= 6),
a = k ? m[0] : 1,
b = m[1] || 0,
c = m[2] || 0,
d = k ? m[3] : 1;
tm.x = m[4] || 0;
tm.y = m[5] || 0;
scaleX = Math.sqrt(a * a + b * b);
scaleY = Math.sqrt(d * d + c * c);
rotation = (a || b) ? Math.atan2(b, a) * _RAD2DEG : tm.rotation || 0; //note: if scaleX is 0, we cannot accurately measure rotation. Same for skewX with a scaleY of 0. Therefore, we default to the previously recorded value (or zero if that doesn't exist).
skewX = (c || d) ? Math.atan2(c, d) * _RAD2DEG + rotation : tm.skewX || 0;
tm.scaleX = scaleX;
tm.scaleY = scaleY;
tm.rotation = rotation;
tm.skewX = skewX;
if (_supports3D) {
tm.rotationX = tm.rotationY = tm.z = 0;
tm.perspective = defaultTransformPerspective;
tm.scaleZ = 1;
}
if (tm.svg) {
tm.x -= tm.xOrigin - (tm.xOrigin * a + tm.yOrigin * c);
tm.y -= tm.yOrigin - (tm.xOrigin * b + tm.yOrigin * d);
}
}
if (Math.abs(tm.skewX) > 90 && Math.abs(tm.skewX) < 270) {
if (invX) {
tm.scaleX *= -1;
tm.skewX += (tm.rotation <= 0) ? 180 : -180;
tm.rotation += (tm.rotation <= 0) ? 180 : -180;
} else {
tm.scaleY *= -1;
tm.skewX += (tm.skewX <= 0) ? 180 : -180;
}
}
tm.zOrigin = zOrigin;
//some browsers have a hard time with very small values like 2.4492935982947064e-16 (notice the "e-" towards the end) and would render the object slightly off. So we round to 0 in these cases. The conditional logic here is faster than calling Math.abs(). Also, browsers tend to render a SLIGHTLY rotated object in a fuzzy way, so we need to snap to exactly 0 when appropriate.
for (i in tm) {
if (tm[i] < min) if (tm[i] > -min) {
tm[i] = 0;
}
}
}
//DEBUG: _log("parsed rotation of " + t.getAttribute("id")+": "+(tm.rotationX)+", "+(tm.rotationY)+", "+(tm.rotation)+", scale: "+tm.scaleX+", "+tm.scaleY+", "+tm.scaleZ+", position: "+tm.x+", "+tm.y+", "+tm.z+", perspective: "+tm.perspective+ ", origin: "+ tm.xOrigin+ ","+ tm.yOrigin);
if (rec) {
t._gsTransform = tm; //record to the object's _gsTransform which we use so that tweens can control individual properties independently (we need all the properties to accurately recompose the matrix in the setRatio() method)
if (tm.svg) { //if we're supposed to apply transforms to the SVG element's "transform" attribute, make sure there aren't any CSS transforms applied or they'll override the attribute ones. Also clear the transform attribute if we're using CSS, just to be clean.
if (_useSVGTransformAttr && t.style[_transformProp]) {
TweenLite.delayedCall(0.001, function(){ //if we apply this right away (before anything has rendered), we risk there being no transforms for a brief moment and it also interferes with adjusting the transformOrigin in a tween with immediateRender:true (it'd try reading the matrix and it wouldn't have the appropriate data in place because we just removed it).
_removeProp(t.style, _transformProp);
});
} else if (!_useSVGTransformAttr && t.getAttribute("transform")) {
TweenLite.delayedCall(0.001, function(){
t.removeAttribute("transform");
});
}
}
}
return tm;
},
//for setting 2D transforms in IE6, IE7, and IE8 (must use a "filter" to emulate the behavior of modern day browser transforms)
_setIETransformRatio = function(v) {
var t = this.data, //refers to the element's _gsTransform object
ang = -t.rotation * _DEG2RAD,
skew = ang + t.skewX * _DEG2RAD,
rnd = 100000,
a = ((Math.cos(ang) * t.scaleX * rnd) | 0) / rnd,
b = ((Math.sin(ang) * t.scaleX * rnd) | 0) / rnd,
c = ((Math.sin(skew) * -t.scaleY * rnd) | 0) / rnd,
d = ((Math.cos(skew) * t.scaleY * rnd) | 0) / rnd,
style = this.t.style,
cs = this.t.currentStyle,
filters, val;
if (!cs) {
return;
}
val = b; //just for swapping the variables an inverting them (reused "val" to avoid creating another variable in memory). IE's filter matrix uses a non-standard matrix configuration (angle goes the opposite way, and b and c are reversed and inverted)
b = -c;
c = -val;
filters = cs.filter;
style.filter = ""; //remove filters so that we can accurately measure offsetWidth/offsetHeight
var w = this.t.offsetWidth,
h = this.t.offsetHeight,
clip = (cs.position !== "absolute"),
m = "progid:DXImageTransform.Microsoft.Matrix(M11=" + a + ", M12=" + b + ", M21=" + c + ", M22=" + d,
ox = t.x + (w * t.xPercent / 100),
oy = t.y + (h * t.yPercent / 100),
dx, dy;
//if transformOrigin is being used, adjust the offset x and y
if (t.ox != null) {
dx = ((t.oxp) ? w * t.ox * 0.01 : t.ox) - w / 2;
dy = ((t.oyp) ? h * t.oy * 0.01 : t.oy) - h / 2;
ox += dx - (dx * a + dy * b);
oy += dy - (dx * c + dy * d);
}
if (!clip) {
m += ", sizingMethod='auto expand')";
} else {
dx = (w / 2);
dy = (h / 2);
//translate to ensure that transformations occur around the correct origin (default is center).
m += ", Dx=" + (dx - (dx * a + dy * b) + ox) + ", Dy=" + (dy - (dx * c + dy * d) + oy) + ")";
}
if (filters.indexOf("DXImageTransform.Microsoft.Matrix(") !== -1) {
style.filter = filters.replace(_ieSetMatrixExp, m);
} else {
style.filter = m + " " + filters; //we must always put the transform/matrix FIRST (before alpha(opacity=xx)) to avoid an IE bug that slices part of the object when rotation is applied with alpha.
}
//at the end or beginning of the tween, if the matrix is normal (1, 0, 0, 1) and opacity is 100 (or doesn't exist), remove the filter to improve browser performance.
if (v === 0 || v === 1) if (a === 1) if (b === 0) if (c === 0) if (d === 1) if (!clip || m.indexOf("Dx=0, Dy=0") !== -1) if (!_opacityExp.test(filters) || parseFloat(RegExp.$1) === 100) if (filters.indexOf("gradient(" && filters.indexOf("Alpha")) === -1) {
style.removeAttribute("filter");
}
//we must set the margins AFTER applying the filter in order to avoid some bugs in IE8 that could (in rare scenarios) cause them to be ignored intermittently (vibration).
if (!clip) {
var mult = (_ieVers < 8) ? 1 : -1, //in Internet Explorer 7 and before, the box model is broken, causing the browser to treat the width/height of the actual rotated filtered image as the width/height of the box itself, but Microsoft corrected that in IE8. We must use a negative offset in IE8 on the right/bottom
marg, prop, dif;
dx = t.ieOffsetX || 0;
dy = t.ieOffsetY || 0;
t.ieOffsetX = Math.round((w - ((a < 0 ? -a : a) * w + (b < 0 ? -b : b) * h)) / 2 + ox);
t.ieOffsetY = Math.round((h - ((d < 0 ? -d : d) * h + (c < 0 ? -c : c) * w)) / 2 + oy);
for (i = 0; i < 4; i++) {
prop = _margins[i];
marg = cs[prop];
//we need to get the current margin in case it is being tweened separately (we want to respect that tween's changes)
val = (marg.indexOf("px") !== -1) ? parseFloat(marg) : _convertToPixels(this.t, prop, parseFloat(marg), marg.replace(_suffixExp, "")) || 0;
if (val !== t[prop]) {
dif = (i < 2) ? -t.ieOffsetX : -t.ieOffsetY; //if another tween is controlling a margin, we cannot only apply the difference in the ieOffsets, so we essentially zero-out the dx and dy here in that case. We record the margin(s) later so that we can keep comparing them, making this code very flexible.
} else {
dif = (i < 2) ? dx - t.ieOffsetX : dy - t.ieOffsetY;
}
style[prop] = (t[prop] = Math.round( val - dif * ((i === 0 || i === 2) ? 1 : mult) )) + "px";
}
}
},
/* translates a super small decimal to a string WITHOUT scientific notation
_safeDecimal = function(n) {
var s = (n < 0 ? -n : n) + "",
a = s.split("e-");
return (n < 0 ? "-0." : "0.") + new Array(parseInt(a[1], 10) || 0).join("0") + a[0].split(".").join("");
},
*/
_setTransformRatio = _internals.set3DTransformRatio = _internals.setTransformRatio = function(v) {
var t = this.data, //refers to the element's _gsTransform object
style = this.t.style,
angle = t.rotation,
rotationX = t.rotationX,
rotationY = t.rotationY,
sx = t.scaleX,
sy = t.scaleY,
sz = t.scaleZ,
x = t.x,
y = t.y,
z = t.z,
isSVG = t.svg,
perspective = t.perspective,
force3D = t.force3D,
skewY = t.skewY,
skewX = t.skewX,
t1, a11, a12, a13, a21, a22, a23, a31, a32, a33, a41, a42, a43,
zOrigin, min, cos, sin, t2, transform, comma, zero, skew, rnd;
if (skewY) { //for performance reasons, we combine all skewing into the skewX and rotation values. Remember, a skewY of 10 degrees looks the same as a rotation of 10 degrees plus a skewX of 10 degrees.
skewX += skewY;
angle += skewY;
}
//check to see if we should render as 2D (and SVGs must use 2D when _useSVGTransformAttr is true)
if (((((v === 1 || v === 0) && force3D === "auto" && (this.tween._totalTime === this.tween._totalDuration || !this.tween._totalTime)) || !force3D) && !z && !perspective && !rotationY && !rotationX && sz === 1) || (_useSVGTransformAttr && isSVG) || !_supports3D) { //on the final render (which could be 0 for a from tween), if there are no 3D aspects, render in 2D to free up memory and improve performance especially on mobile devices. Check the tween's totalTime/totalDuration too in order to make sure it doesn't happen between repeats if it's a repeating tween.
//2D
if (angle || skewX || isSVG) {
angle *= _DEG2RAD;
skew = skewX * _DEG2RAD;
rnd = 100000;
a11 = Math.cos(angle) * sx;
a21 = Math.sin(angle) * sx;
a12 = Math.sin(angle - skew) * -sy;
a22 = Math.cos(angle - skew) * sy;
if (skew && t.skewType === "simple") { //by default, we compensate skewing on the other axis to make it look more natural, but you can set the skewType to "simple" to use the uncompensated skewing that CSS does
t1 = Math.tan(skew - skewY * _DEG2RAD);
t1 = Math.sqrt(1 + t1 * t1);
a12 *= t1;
a22 *= t1;
if (skewY) {
t1 = Math.tan(skewY * _DEG2RAD);
t1 = Math.sqrt(1 + t1 * t1);
a11 *= t1;
a21 *= t1;
}
}
if (isSVG) {
x += t.xOrigin - (t.xOrigin * a11 + t.yOrigin * a12) + t.xOffset;
y += t.yOrigin - (t.xOrigin * a21 + t.yOrigin * a22) + t.yOffset;
if (_useSVGTransformAttr && (t.xPercent || t.yPercent)) { //The SVG spec doesn't support percentage-based translation in the "transform" attribute, so we merge it into the matrix to simulate it.
min = this.t.getBBox();
x += t.xPercent * 0.01 * min.width;
y += t.yPercent * 0.01 * min.height;
}
min = 0.000001;
if (x < min) if (x > -min) {
x = 0;
}
if (y < min) if (y > -min) {
y = 0;
}
}
transform = (((a11 * rnd) | 0) / rnd) + "," + (((a21 * rnd) | 0) / rnd) + "," + (((a12 * rnd) | 0) / rnd) + "," + (((a22 * rnd) | 0) / rnd) + "," + x + "," + y + ")";
if (isSVG && _useSVGTransformAttr) {
this.t.setAttribute("transform", "matrix(" + transform);
} else {
//some browsers have a hard time with very small values like 2.4492935982947064e-16 (notice the "e-" towards the end) and would render the object slightly off. So we round to 5 decimal places.
style[_transformProp] = ((t.xPercent || t.yPercent) ? "translate(" + t.xPercent + "%," + t.yPercent + "%) matrix(" : "matrix(") + transform;
}
} else {
style[_transformProp] = ((t.xPercent || t.yPercent) ? "translate(" + t.xPercent + "%," + t.yPercent + "%) matrix(" : "matrix(") + sx + ",0,0," + sy + "," + x + "," + y + ")";
}
return;
}
if (_isFirefox) { //Firefox has a bug (at least in v25) that causes it to render the transparent part of 32-bit PNG images as black when displayed inside an iframe and the 3D scale is very small and doesn't change sufficiently enough between renders (like if you use a Power4.easeInOut to scale from 0 to 1 where the beginning values only change a tiny amount to begin the tween before accelerating). In this case, we force the scale to be 0.00002 instead which is visually the same but works around the Firefox issue.
min = 0.0001;
if (sx < min && sx > -min) {
sx = sz = 0.00002;
}
if (sy < min && sy > -min) {
sy = sz = 0.00002;
}
if (perspective && !t.z && !t.rotationX && !t.rotationY) { //Firefox has a bug that causes elements to have an odd super-thin, broken/dotted black border on elements that have a perspective set but aren't utilizing 3D space (no rotationX, rotationY, or z).
perspective = 0;
}
}
if (angle || skewX) {
angle *= _DEG2RAD;
cos = a11 = Math.cos(angle);
sin = a21 = Math.sin(angle);
if (skewX) {
angle -= skewX * _DEG2RAD;
cos = Math.cos(angle);
sin = Math.sin(angle);
if (t.skewType === "simple") { //by default, we compensate skewing on the other axis to make it look more natural, but you can set the skewType to "simple" to use the uncompensated skewing that CSS does
t1 = Math.tan((skewX - skewY) * _DEG2RAD);
t1 = Math.sqrt(1 + t1 * t1);
cos *= t1;
sin *= t1;
if (t.skewY) {
t1 = Math.tan(skewY * _DEG2RAD);
t1 = Math.sqrt(1 + t1 * t1);
a11 *= t1;
a21 *= t1;
}
}
}
a12 = -sin;
a22 = cos;
} else if (!rotationY && !rotationX && sz === 1 && !perspective && !isSVG) { //if we're only translating and/or 2D scaling, this is faster...
style[_transformProp] = ((t.xPercent || t.yPercent) ? "translate(" + t.xPercent + "%," + t.yPercent + "%) translate3d(" : "translate3d(") + x + "px," + y + "px," + z +"px)" + ((sx !== 1 || sy !== 1) ? " scale(" + sx + "," + sy + ")" : "");
return;
} else {
a11 = a22 = 1;
a12 = a21 = 0;
}
// KEY INDEX AFFECTS a[row][column]
// a11 0 rotation, rotationY, scaleX
// a21 1 rotation, rotationY, scaleX
// a31 2 rotationY, scaleX
// a41 3 rotationY, scaleX
// a12 4 rotation, skewX, rotationX, scaleY
// a22 5 rotation, skewX, rotationX, scaleY
// a32 6 rotationX, scaleY
// a42 7 rotationX, scaleY
// a13 8 rotationY, rotationX, scaleZ
// a23 9 rotationY, rotationX, scaleZ
// a33 10 rotationY, rotationX, scaleZ
// a43 11 rotationY, rotationX, perspective, scaleZ
// a14 12 x, zOrigin, svgOrigin
// a24 13 y, zOrigin, svgOrigin
// a34 14 z, zOrigin
// a44 15
// rotation: Math.atan2(a21, a11)
// rotationY: Math.atan2(a13, a33) (or Math.atan2(a13, a11))
// rotationX: Math.atan2(a32, a33)
a33 = 1;
a13 = a23 = a31 = a32 = a41 = a42 = 0;
a43 = (perspective) ? -1 / perspective : 0;
zOrigin = t.zOrigin;
min = 0.000001; //threshold below which browsers use scientific notation which won't work.
comma = ",";
zero = "0";
angle = rotationY * _DEG2RAD;
if (angle) {
cos = Math.cos(angle);
sin = Math.sin(angle);
a31 = -sin;
a41 = a43*-sin;
a13 = a11*sin;
a23 = a21*sin;
a33 = cos;
a43 *= cos;
a11 *= cos;
a21 *= cos;
}
angle = rotationX * _DEG2RAD;
if (angle) {
cos = Math.cos(angle);
sin = Math.sin(angle);
t1 = a12*cos+a13*sin;
t2 = a22*cos+a23*sin;
a32 = a33*sin;
a42 = a43*sin;
a13 = a12*-sin+a13*cos;
a23 = a22*-sin+a23*cos;
a33 = a33*cos;
a43 = a43*cos;
a12 = t1;
a22 = t2;
}
if (sz !== 1) {
a13*=sz;
a23*=sz;
a33*=sz;
a43*=sz;
}
if (sy !== 1) {
a12*=sy;
a22*=sy;
a32*=sy;
a42*=sy;
}
if (sx !== 1) {
a11*=sx;
a21*=sx;
a31*=sx;
a41*=sx;
}
if (zOrigin || isSVG) {
if (zOrigin) {
x += a13*-zOrigin;
y += a23*-zOrigin;
z += a33*-zOrigin+zOrigin;
}
if (isSVG) { //due to bugs in some browsers, we need to manage the transform-origin of SVG manually
x += t.xOrigin - (t.xOrigin * a11 + t.yOrigin * a12) + t.xOffset;
y += t.yOrigin - (t.xOrigin * a21 + t.yOrigin * a22) + t.yOffset;
}
if (x < min && x > -min) {
x = zero;
}
if (y < min && y > -min) {
y = zero;
}
if (z < min && z > -min) {
z = 0; //don't use string because we calculate perspective later and need the number.
}
}
//optimized way of concatenating all the values into a string. If we do it all in one shot, it's slower because of the way browsers have to create temp strings and the way it affects memory. If we do it piece-by-piece with +=, it's a bit slower too. We found that doing it in these sized chunks works best overall:
transform = ((t.xPercent || t.yPercent) ? "translate(" + t.xPercent + "%," + t.yPercent + "%) matrix3d(" : "matrix3d(");
transform += ((a11 < min && a11 > -min) ? zero : a11) + comma + ((a21 < min && a21 > -min) ? zero : a21) + comma + ((a31 < min && a31 > -min) ? zero : a31);
transform += comma + ((a41 < min && a41 > -min) ? zero : a41) + comma + ((a12 < min && a12 > -min) ? zero : a12) + comma + ((a22 < min && a22 > -min) ? zero : a22);
if (rotationX || rotationY || sz !== 1) { //performance optimization (often there's no rotationX or rotationY, so we can skip these calculations)
transform += comma + ((a32 < min && a32 > -min) ? zero : a32) + comma + ((a42 < min && a42 > -min) ? zero : a42) + comma + ((a13 < min && a13 > -min) ? zero : a13);
transform += comma + ((a23 < min && a23 > -min) ? zero : a23) + comma + ((a33 < min && a33 > -min) ? zero : a33) + comma + ((a43 < min && a43 > -min) ? zero : a43) + comma;
} else {
transform += ",0,0,0,0,1,0,";
}
transform += x + comma + y + comma + z + comma + (perspective ? (1 + (-z / perspective)) : 1) + ")";
style[_transformProp] = transform;
};
p = Transform.prototype;
p.x = p.y = p.z = p.skewX = p.skewY = p.rotation = p.rotationX = p.rotationY = p.zOrigin = p.xPercent = p.yPercent = p.xOffset = p.yOffset = 0;
p.scaleX = p.scaleY = p.scaleZ = 1;
_registerComplexSpecialProp("transform,scale,scaleX,scaleY,scaleZ,x,y,z,rotation,rotationX,rotationY,rotationZ,skewX,skewY,shortRotation,shortRotationX,shortRotationY,shortRotationZ,transformOrigin,svgOrigin,transformPerspective,directionalRotation,parseTransform,force3D,skewType,xPercent,yPercent,smoothOrigin", {parser:function(t, e, parsingProp, cssp, pt, plugin, vars) {
if (cssp._lastParsedTransform === vars) { return pt; } //only need to parse the transform once, and only if the browser supports it.
cssp._lastParsedTransform = vars;
var scaleFunc = (vars.scale && typeof(vars.scale) === "function") ? vars.scale : 0, //if there's a function-based "scale" value, swap in the resulting numeric value temporarily. Otherwise, if it's called for both scaleX and scaleY independently, they may not match (like if the function uses Math.random()).
swapFunc;
if (typeof(vars[parsingProp]) === "function") { //whatever property triggers the initial parsing might be a function-based value in which case it already got called in parse(), thus we don't want to call it again in here. The most efficient way to avoid this is to temporarily swap the value directly into the vars object, and then after we do all our parsing in this function, we'll swap it back again.
swapFunc = vars[parsingProp];
vars[parsingProp] = e;
}
if (scaleFunc) {
vars.scale = scaleFunc(_index, t);
}
var originalGSTransform = t._gsTransform,
style = t.style,
min = 0.000001,
i = _transformProps.length,
v = vars,
endRotations = {},
transformOriginString = "transformOrigin",
m1 = _getTransform(t, _cs, true, v.parseTransform),
orig = v.transform && ((typeof(v.transform) === "function") ? v.transform(_index, _target) : v.transform),
m2, copy, has3D, hasChange, dr, x, y, matrix, p;
m1.skewType = v.skewType || m1.skewType || CSSPlugin.defaultSkewType;
cssp._transform = m1;
if (orig && typeof(orig) === "string" && _transformProp) { //for values like transform:"rotate(60deg) scale(0.5, 0.8)"
copy = _tempDiv.style; //don't use the original target because it might be SVG in which case some browsers don't report computed style correctly.
copy[_transformProp] = orig;
copy.display = "block"; //if display is "none", the browser often refuses to report the transform properties correctly.
copy.position = "absolute";
_doc.body.appendChild(_tempDiv);
m2 = _getTransform(_tempDiv, null, false);
if (m1.skewType === "simple") { //the default _getTransform() reports the skewX/scaleY as if skewType is "compensated", thus we need to adjust that here if skewType is "simple".
m2.scaleY *= Math.cos(m2.skewX * _DEG2RAD);
}
if (m1.svg) { //if it's an SVG element, x/y part of the matrix will be affected by whatever we use as the origin and the offsets, so compensate here...
x = m1.xOrigin;
y = m1.yOrigin;
m2.x -= m1.xOffset;
m2.y -= m1.yOffset;
if (v.transformOrigin || v.svgOrigin) { //if this tween is altering the origin, we must factor that in here. The actual work of recording the transformOrigin values and setting up the PropTween is done later (still inside this function) so we cannot leave the changes intact here - we only want to update the x/y accordingly.
orig = {};
_parseSVGOrigin(t, _parsePosition(v.transformOrigin), orig, v.svgOrigin, v.smoothOrigin, true);
x = orig.xOrigin;
y = orig.yOrigin;
m2.x -= orig.xOffset - m1.xOffset;
m2.y -= orig.yOffset - m1.yOffset;
}
if (x || y) {
matrix = _getMatrix(_tempDiv, true);
m2.x -= x - (x * matrix[0] + y * matrix[2]);
m2.y -= y - (x * matrix[1] + y * matrix[3]);
}
}
_doc.body.removeChild(_tempDiv);
if (!m2.perspective) {
m2.perspective = m1.perspective; //tweening to no perspective gives very unintuitive results - just keep the same perspective in that case.
}
if (v.xPercent != null) {
m2.xPercent = _parseVal(v.xPercent, m1.xPercent);
}
if (v.yPercent != null) {
m2.yPercent = _parseVal(v.yPercent, m1.yPercent);
}
} else if (typeof(v) === "object") { //for values like scaleX, scaleY, rotation, x, y, skewX, and skewY or transform:{...} (object)
m2 = {scaleX:_parseVal((v.scaleX != null) ? v.scaleX : v.scale, m1.scaleX),
scaleY:_parseVal((v.scaleY != null) ? v.scaleY : v.scale, m1.scaleY),
scaleZ:_parseVal(v.scaleZ, m1.scaleZ),
x:_parseVal(v.x, m1.x),
y:_parseVal(v.y, m1.y),
z:_parseVal(v.z, m1.z),
xPercent:_parseVal(v.xPercent, m1.xPercent),
yPercent:_parseVal(v.yPercent, m1.yPercent),
perspective:_parseVal(v.transformPerspective, m1.perspective)};
dr = v.directionalRotation;
if (dr != null) {
if (typeof(dr) === "object") {
for (copy in dr) {
v[copy] = dr[copy];
}
} else {
v.rotation = dr;
}
}
if (typeof(v.x) === "string" && v.x.indexOf("%") !== -1) {
m2.x = 0;
m2.xPercent = _parseVal(v.x, m1.xPercent);
}
if (typeof(v.y) === "string" && v.y.indexOf("%") !== -1) {
m2.y = 0;
m2.yPercent = _parseVal(v.y, m1.yPercent);
}
m2.rotation = _parseAngle(("rotation" in v) ? v.rotation : ("shortRotation" in v) ? v.shortRotation + "_short" : ("rotationZ" in v) ? v.rotationZ : m1.rotation, m1.rotation, "rotation", endRotations);
if (_supports3D) {
m2.rotationX = _parseAngle(("rotationX" in v) ? v.rotationX : ("shortRotationX" in v) ? v.shortRotationX + "_short" : m1.rotationX || 0, m1.rotationX, "rotationX", endRotations);
m2.rotationY = _parseAngle(("rotationY" in v) ? v.rotationY : ("shortRotationY" in v) ? v.shortRotationY + "_short" : m1.rotationY || 0, m1.rotationY, "rotationY", endRotations);
}
m2.skewX = _parseAngle(v.skewX, m1.skewX);
m2.skewY = _parseAngle(v.skewY, m1.skewY);
}
if (_supports3D && v.force3D != null) {
m1.force3D = v.force3D;
hasChange = true;
}
has3D = (m1.force3D || m1.z || m1.rotationX || m1.rotationY || m2.z || m2.rotationX || m2.rotationY || m2.perspective);
if (!has3D && v.scale != null) {
m2.scaleZ = 1; //no need to tween scaleZ.
}
while (--i > -1) {
p = _transformProps[i];
orig = m2[p] - m1[p];
if (orig > min || orig < -min || v[p] != null || _forcePT[p] != null) {
hasChange = true;
pt = new CSSPropTween(m1, p, m1[p], orig, pt);
if (p in endRotations) {
pt.e = endRotations[p]; //directional rotations typically have compensated values during the tween, but we need to make sure they end at exactly what the user requested
}
pt.xs0 = 0; //ensures the value stays numeric in setRatio()
pt.plugin = plugin;
cssp._overwriteProps.push(pt.n);
}
}
orig = v.transformOrigin;
if (m1.svg && (orig || v.svgOrigin)) {
x = m1.xOffset; //when we change the origin, in order to prevent things from jumping we adjust the x/y so we must record those here so that we can create PropTweens for them and flip them at the same time as the origin
y = m1.yOffset;
_parseSVGOrigin(t, _parsePosition(orig), m2, v.svgOrigin, v.smoothOrigin);
pt = _addNonTweeningNumericPT(m1, "xOrigin", (originalGSTransform ? m1 : m2).xOrigin, m2.xOrigin, pt, transformOriginString); //note: if there wasn't a transformOrigin defined yet, just start with the destination one; it's wasteful otherwise, and it causes problems with fromTo() tweens. For example, TweenLite.to("#wheel", 3, {rotation:180, transformOrigin:"50% 50%", delay:1}); TweenLite.fromTo("#wheel", 3, {scale:0.5, transformOrigin:"50% 50%"}, {scale:1, delay:2}); would cause a jump when the from values revert at the beginning of the 2nd tween.
pt = _addNonTweeningNumericPT(m1, "yOrigin", (originalGSTransform ? m1 : m2).yOrigin, m2.yOrigin, pt, transformOriginString);
if (x !== m1.xOffset || y !== m1.yOffset) {
pt = _addNonTweeningNumericPT(m1, "xOffset", (originalGSTransform ? x : m1.xOffset), m1.xOffset, pt, transformOriginString);
pt = _addNonTweeningNumericPT(m1, "yOffset", (originalGSTransform ? y : m1.yOffset), m1.yOffset, pt, transformOriginString);
}
orig = "0px 0px"; //certain browsers (like firefox) completely botch transform-origin, so we must remove it to prevent it from contaminating transforms. We manage it ourselves with xOrigin and yOrigin
}
if (orig || (_supports3D && has3D && m1.zOrigin)) { //if anything 3D is happening and there's a transformOrigin with a z component that's non-zero, we must ensure that the transformOrigin's z-component is set to 0 so that we can manually do those calculations to get around Safari bugs. Even if the user didn't specifically define a "transformOrigin" in this particular tween (maybe they did it via css directly).
if (_transformProp) {
hasChange = true;
p = _transformOriginProp;
orig = (orig || _getStyle(t, p, _cs, false, "50% 50%")) + ""; //cast as string to avoid errors
pt = new CSSPropTween(style, p, 0, 0, pt, -1, transformOriginString);
pt.b = style[p];
pt.plugin = plugin;
if (_supports3D) {
copy = m1.zOrigin;
orig = orig.split(" ");
m1.zOrigin = ((orig.length > 2 && !(copy !== 0 && orig[2] === "0px")) ? parseFloat(orig[2]) : copy) || 0; //Safari doesn't handle the z part of transformOrigin correctly, so we'll manually handle it in the _set3DTransformRatio() method.
pt.xs0 = pt.e = orig[0] + " " + (orig[1] || "50%") + " 0px"; //we must define a z value of 0px specifically otherwise iOS 5 Safari will stick with the old one (if one was defined)!
pt = new CSSPropTween(m1, "zOrigin", 0, 0, pt, -1, pt.n); //we must create a CSSPropTween for the _gsTransform.zOrigin so that it gets reset properly at the beginning if the tween runs backward (as opposed to just setting m1.zOrigin here)
pt.b = copy;
pt.xs0 = pt.e = m1.zOrigin;
} else {
pt.xs0 = pt.e = orig;
}
//for older versions of IE (6-8), we need to manually calculate things inside the setRatio() function. We record origin x and y (ox and oy) and whether or not the values are percentages (oxp and oyp).
} else {
_parsePosition(orig + "", m1);
}
}
if (hasChange) {
cssp._transformType = (!(m1.svg && _useSVGTransformAttr) && (has3D || this._transformType === 3)) ? 3 : 2; //quicker than calling cssp._enableTransforms();
}
if (swapFunc) {
vars[parsingProp] = swapFunc;
}
if (scaleFunc) {
vars.scale = scaleFunc;
}
return pt;
}, prefix:true});
_registerComplexSpecialProp("boxShadow", {defaultValue:"0px 0px 0px 0px #999", prefix:true, color:true, multi:true, keyword:"inset"});
_registerComplexSpecialProp("borderRadius", {defaultValue:"0px", parser:function(t, e, p, cssp, pt, plugin) {
e = this.format(e);
var props = ["borderTopLeftRadius","borderTopRightRadius","borderBottomRightRadius","borderBottomLeftRadius"],
style = t.style,
ea1, i, es2, bs2, bs, es, bn, en, w, h, esfx, bsfx, rel, hn, vn, em;
w = parseFloat(t.offsetWidth);
h = parseFloat(t.offsetHeight);
ea1 = e.split(" ");
for (i = 0; i < props.length; i++) { //if we're dealing with percentages, we must convert things separately for the horizontal and vertical axis!
if (this.p.indexOf("border")) { //older browsers used a prefix
props[i] = _checkPropPrefix(props[i]);
}
bs = bs2 = _getStyle(t, props[i], _cs, false, "0px");
if (bs.indexOf(" ") !== -1) {
bs2 = bs.split(" ");
bs = bs2[0];
bs2 = bs2[1];
}
es = es2 = ea1[i];
bn = parseFloat(bs);
bsfx = bs.substr((bn + "").length);
rel = (es.charAt(1) === "=");
if (rel) {
en = parseInt(es.charAt(0)+"1", 10);
es = es.substr(2);
en *= parseFloat(es);
esfx = es.substr((en + "").length - (en < 0 ? 1 : 0)) || "";
} else {
en = parseFloat(es);
esfx = es.substr((en + "").length);
}
if (esfx === "") {
esfx = _suffixMap[p] || bsfx;
}
if (esfx !== bsfx) {
hn = _convertToPixels(t, "borderLeft", bn, bsfx); //horizontal number (we use a bogus "borderLeft" property just because the _convertToPixels() method searches for the keywords "Left", "Right", "Top", and "Bottom" to determine of it's a horizontal or vertical property, and we need "border" in the name so that it knows it should measure relative to the element itself, not its parent.
vn = _convertToPixels(t, "borderTop", bn, bsfx); //vertical number
if (esfx === "%") {
bs = (hn / w * 100) + "%";
bs2 = (vn / h * 100) + "%";
} else if (esfx === "em") {
em = _convertToPixels(t, "borderLeft", 1, "em");
bs = (hn / em) + "em";
bs2 = (vn / em) + "em";
} else {
bs = hn + "px";
bs2 = vn + "px";
}
if (rel) {
es = (parseFloat(bs) + en) + esfx;
es2 = (parseFloat(bs2) + en) + esfx;
}
}
pt = _parseComplex(style, props[i], bs + " " + bs2, es + " " + es2, false, "0px", pt);
}
return pt;
}, prefix:true, formatter:_getFormatter("0px 0px 0px 0px", false, true)});
_registerComplexSpecialProp("borderBottomLeftRadius,borderBottomRightRadius,borderTopLeftRadius,borderTopRightRadius", {defaultValue:"0px", parser:function(t, e, p, cssp, pt, plugin) {
return _parseComplex(t.style, p, this.format(_getStyle(t, p, _cs, false, "0px 0px")), this.format(e), false, "0px", pt);
}, prefix:true, formatter:_getFormatter("0px 0px", false, true)});
_registerComplexSpecialProp("backgroundPosition", {defaultValue:"0 0", parser:function(t, e, p, cssp, pt, plugin) {
var bp = "background-position",
cs = (_cs || _getComputedStyle(t, null)),
bs = this.format( ((cs) ? _ieVers ? cs.getPropertyValue(bp + "-x") + " " + cs.getPropertyValue(bp + "-y") : cs.getPropertyValue(bp) : t.currentStyle.backgroundPositionX + " " + t.currentStyle.backgroundPositionY) || "0 0"), //Internet Explorer doesn't report background-position correctly - we must query background-position-x and background-position-y and combine them (even in IE10). Before IE9, we must do the same with the currentStyle object and use camelCase
es = this.format(e),
ba, ea, i, pct, overlap, src;
if ((bs.indexOf("%") !== -1) !== (es.indexOf("%") !== -1) && es.split(",").length < 2) {
src = _getStyle(t, "backgroundImage").replace(_urlExp, "");
if (src && src !== "none") {
ba = bs.split(" ");
ea = es.split(" ");
_tempImg.setAttribute("src", src); //set the temp IMG's src to the background-image so that we can measure its width/height
i = 2;
while (--i > -1) {
bs = ba[i];
pct = (bs.indexOf("%") !== -1);
if (pct !== (ea[i].indexOf("%") !== -1)) {
overlap = (i === 0) ? t.offsetWidth - _tempImg.width : t.offsetHeight - _tempImg.height;
ba[i] = pct ? (parseFloat(bs) / 100 * overlap) + "px" : (parseFloat(bs) / overlap * 100) + "%";
}
}
bs = ba.join(" ");
}
}
return this.parseComplex(t.style, bs, es, pt, plugin);
}, formatter:_parsePosition});
_registerComplexSpecialProp("backgroundSize", {defaultValue:"0 0", formatter:function(v) {
v += ""; //ensure it's a string
return _parsePosition(v.indexOf(" ") === -1 ? v + " " + v : v); //if set to something like "100% 100%", Safari typically reports the computed style as just "100%" (no 2nd value), but we should ensure that there are two values, so copy the first one. Otherwise, it'd be interpreted as "100% 0" (wrong).
}});
_registerComplexSpecialProp("perspective", {defaultValue:"0px", prefix:true});
_registerComplexSpecialProp("perspectiveOrigin", {defaultValue:"50% 50%", prefix:true});
_registerComplexSpecialProp("transformStyle", {prefix:true});
_registerComplexSpecialProp("backfaceVisibility", {prefix:true});
_registerComplexSpecialProp("userSelect", {prefix:true});
_registerComplexSpecialProp("margin", {parser:_getEdgeParser("marginTop,marginRight,marginBottom,marginLeft")});
_registerComplexSpecialProp("padding", {parser:_getEdgeParser("paddingTop,paddingRight,paddingBottom,paddingLeft")});
_registerComplexSpecialProp("clip", {defaultValue:"rect(0px,0px,0px,0px)", parser:function(t, e, p, cssp, pt, plugin){
var b, cs, delim;
if (_ieVers < 9) { //IE8 and earlier don't report a "clip" value in the currentStyle - instead, the values are split apart into clipTop, clipRight, clipBottom, and clipLeft. Also, in IE7 and earlier, the values inside rect() are space-delimited, not comma-delimited.
cs = t.currentStyle;
delim = _ieVers < 8 ? " " : ",";
b = "rect(" + cs.clipTop + delim + cs.clipRight + delim + cs.clipBottom + delim + cs.clipLeft + ")";
e = this.format(e).split(",").join(delim);
} else {
b = this.format(_getStyle(t, this.p, _cs, false, this.dflt));
e = this.format(e);
}
return this.parseComplex(t.style, b, e, pt, plugin);
}});
_registerComplexSpecialProp("textShadow", {defaultValue:"0px 0px 0px #999", color:true, multi:true});
_registerComplexSpecialProp("autoRound,strictUnits", {parser:function(t, e, p, cssp, pt) {return pt;}}); //just so that we can ignore these properties (not tween them)
_registerComplexSpecialProp("border", {defaultValue:"0px solid #000", parser:function(t, e, p, cssp, pt, plugin) {
var bw = _getStyle(t, "borderTopWidth", _cs, false, "0px"),
end = this.format(e).split(" "),
esfx = end[0].replace(_suffixExp, "");
if (esfx !== "px") { //if we're animating to a non-px value, we need to convert the beginning width to that unit.
bw = (parseFloat(bw) / _convertToPixels(t, "borderTopWidth", 1, esfx)) + esfx;
}
return this.parseComplex(t.style, this.format(bw + " " + _getStyle(t, "borderTopStyle", _cs, false, "solid") + " " + _getStyle(t, "borderTopColor", _cs, false, "#000")), end.join(" "), pt, plugin);
}, color:true, formatter:function(v) {
var a = v.split(" ");
return a[0] + " " + (a[1] || "solid") + " " + (v.match(_colorExp) || ["#000"])[0];
}});
_registerComplexSpecialProp("borderWidth", {parser:_getEdgeParser("borderTopWidth,borderRightWidth,borderBottomWidth,borderLeftWidth")}); //Firefox doesn't pick up on borderWidth set in style sheets (only inline).
_registerComplexSpecialProp("float,cssFloat,styleFloat", {parser:function(t, e, p, cssp, pt, plugin) {
var s = t.style,
prop = ("cssFloat" in s) ? "cssFloat" : "styleFloat";
return new CSSPropTween(s, prop, 0, 0, pt, -1, p, false, 0, s[prop], e);
}});
//opacity-related
var _setIEOpacityRatio = function(v) {
var t = this.t, //refers to the element's style property
filters = t.filter || _getStyle(this.data, "filter") || "",
val = (this.s + this.c * v) | 0,
skip;
if (val === 100) { //for older versions of IE that need to use a filter to apply opacity, we should remove the filter if opacity hits 1 in order to improve performance, but make sure there isn't a transform (matrix) or gradient in the filters.
if (filters.indexOf("atrix(") === -1 && filters.indexOf("radient(") === -1 && filters.indexOf("oader(") === -1) {
t.removeAttribute("filter");
skip = (!_getStyle(this.data, "filter")); //if a class is applied that has an alpha filter, it will take effect (we don't want that), so re-apply our alpha filter in that case. We must first remove it and then check.
} else {
t.filter = filters.replace(_alphaFilterExp, "");
skip = true;
}
}
if (!skip) {
if (this.xn1) {
t.filter = filters = filters || ("alpha(opacity=" + val + ")"); //works around bug in IE7/8 that prevents changes to "visibility" from being applied properly if the filter is changed to a different alpha on the same frame.
}
if (filters.indexOf("pacity") === -1) { //only used if browser doesn't support the standard opacity style property (IE 7 and 8). We omit the "O" to avoid case-sensitivity issues
if (val !== 0 || !this.xn1) { //bugs in IE7/8 won't render the filter properly if opacity is ADDED on the same frame/render as "visibility" changes (this.xn1 is 1 if this tween is an "autoAlpha" tween)
t.filter = filters + " alpha(opacity=" + val + ")"; //we round the value because otherwise, bugs in IE7/8 can prevent "visibility" changes from being applied properly.
}
} else {
t.filter = filters.replace(_opacityExp, "opacity=" + val);
}
}
};
_registerComplexSpecialProp("opacity,alpha,autoAlpha", {defaultValue:"1", parser:function(t, e, p, cssp, pt, plugin) {
var b = parseFloat(_getStyle(t, "opacity", _cs, false, "1")),
style = t.style,
isAutoAlpha = (p === "autoAlpha");
if (typeof(e) === "string" && e.charAt(1) === "=") {
e = ((e.charAt(0) === "-") ? -1 : 1) * parseFloat(e.substr(2)) + b;
}
if (isAutoAlpha && b === 1 && _getStyle(t, "visibility", _cs) === "hidden" && e !== 0) { //if visibility is initially set to "hidden", we should interpret that as intent to make opacity 0 (a convenience)
b = 0;
}
if (_supportsOpacity) {
pt = new CSSPropTween(style, "opacity", b, e - b, pt);
} else {
pt = new CSSPropTween(style, "opacity", b * 100, (e - b) * 100, pt);
pt.xn1 = isAutoAlpha ? 1 : 0; //we need to record whether or not this is an autoAlpha so that in the setRatio(), we know to duplicate the setting of the alpha in order to work around a bug in IE7 and IE8 that prevents changes to "visibility" from taking effect if the filter is changed to a different alpha(opacity) at the same time. Setting it to the SAME value first, then the new value works around the IE7/8 bug.
style.zoom = 1; //helps correct an IE issue.
pt.type = 2;
pt.b = "alpha(opacity=" + pt.s + ")";
pt.e = "alpha(opacity=" + (pt.s + pt.c) + ")";
pt.data = t;
pt.plugin = plugin;
pt.setRatio = _setIEOpacityRatio;
}
if (isAutoAlpha) { //we have to create the "visibility" PropTween after the opacity one in the linked list so that they run in the order that works properly in IE8 and earlier
pt = new CSSPropTween(style, "visibility", 0, 0, pt, -1, null, false, 0, ((b !== 0) ? "inherit" : "hidden"), ((e === 0) ? "hidden" : "inherit"));
pt.xs0 = "inherit";
cssp._overwriteProps.push(pt.n);
cssp._overwriteProps.push(p);
}
return pt;
}});
var _removeProp = function(s, p) {
if (p) {
if (s.removeProperty) {
if (p.substr(0,2) === "ms" || p.substr(0,6) === "webkit") { //Microsoft and some Webkit browsers don't conform to the standard of capitalizing the first prefix character, so we adjust so that when we prefix the caps with a dash, it's correct (otherwise it'd be "ms-transform" instead of "-ms-transform" for IE9, for example)
p = "-" + p;
}
s.removeProperty(p.replace(_capsExp, "-$1").toLowerCase());
} else { //note: old versions of IE use "removeAttribute()" instead of "removeProperty()"
s.removeAttribute(p);
}
}
},
_setClassNameRatio = function(v) {
this.t._gsClassPT = this;
if (v === 1 || v === 0) {
this.t.setAttribute("class", (v === 0) ? this.b : this.e);
var mpt = this.data, //first MiniPropTween
s = this.t.style;
while (mpt) {
if (!mpt.v) {
_removeProp(s, mpt.p);
} else {
s[mpt.p] = mpt.v;
}
mpt = mpt._next;
}
if (v === 1 && this.t._gsClassPT === this) {
this.t._gsClassPT = null;
}
} else if (this.t.getAttribute("class") !== this.e) {
this.t.setAttribute("class", this.e);
}
};
_registerComplexSpecialProp("className", {parser:function(t, e, p, cssp, pt, plugin, vars) {
var b = t.getAttribute("class") || "", //don't use t.className because it doesn't work consistently on SVG elements; getAttribute("class") and setAttribute("class", value") is more reliable.
cssText = t.style.cssText,
difData, bs, cnpt, cnptLookup, mpt;
pt = cssp._classNamePT = new CSSPropTween(t, p, 0, 0, pt, 2);
pt.setRatio = _setClassNameRatio;
pt.pr = -11;
_hasPriority = true;
pt.b = b;
bs = _getAllStyles(t, _cs);
//if there's a className tween already operating on the target, force it to its end so that the necessary inline styles are removed and the class name is applied before we determine the end state (we don't want inline styles interfering that were there just for class-specific values)
cnpt = t._gsClassPT;
if (cnpt) {
cnptLookup = {};
mpt = cnpt.data; //first MiniPropTween which stores the inline styles - we need to force these so that the inline styles don't contaminate things. Otherwise, there's a small chance that a tween could start and the inline values match the destination values and they never get cleaned.
while (mpt) {
cnptLookup[mpt.p] = 1;
mpt = mpt._next;
}
cnpt.setRatio(1);
}
t._gsClassPT = pt;
pt.e = (e.charAt(1) !== "=") ? e : b.replace(new RegExp("(?:\\s|^)" + e.substr(2) + "(?![\\w-])"), "") + ((e.charAt(0) === "+") ? " " + e.substr(2) : "");
t.setAttribute("class", pt.e);
difData = _cssDif(t, bs, _getAllStyles(t), vars, cnptLookup);
t.setAttribute("class", b);
pt.data = difData.firstMPT;
t.style.cssText = cssText; //we recorded cssText before we swapped classes and ran _getAllStyles() because in cases when a className tween is overwritten, we remove all the related tweening properties from that class change (otherwise class-specific stuff can't override properties we've directly set on the target's style object due to specificity).
pt = pt.xfirst = cssp.parse(t, difData.difs, pt, plugin); //we record the CSSPropTween as the xfirst so that we can handle overwriting propertly (if "className" gets overwritten, we must kill all the properties associated with the className part of the tween, so we can loop through from xfirst to the pt itself)
return pt;
}});
var _setClearPropsRatio = function(v) {
if (v === 1 || v === 0) if (this.data._totalTime === this.data._totalDuration && this.data.data !== "isFromStart") { //this.data refers to the tween. Only clear at the END of the tween (remember, from() tweens make the ratio go from 1 to 0, so we can't just check that and if the tween is the zero-duration one that's created internally to render the starting values in a from() tween, ignore that because otherwise, for example, from(...{height:100, clearProps:"height", delay:1}) would wipe the height at the beginning of the tween and after 1 second, it'd kick back in).
var s = this.t.style,
transformParse = _specialProps.transform.parse,
a, p, i, clearTransform, transform;
if (this.e === "all") {
s.cssText = "";
clearTransform = true;
} else {
a = this.e.split(" ").join("").split(",");
i = a.length;
while (--i > -1) {
p = a[i];
if (_specialProps[p]) {
if (_specialProps[p].parse === transformParse) {
clearTransform = true;
} else {
p = (p === "transformOrigin") ? _transformOriginProp : _specialProps[p].p; //ensures that special properties use the proper browser-specific property name, like "scaleX" might be "-webkit-transform" or "boxShadow" might be "-moz-box-shadow"
}
}
_removeProp(s, p);
}
}
if (clearTransform) {
_removeProp(s, _transformProp);
transform = this.t._gsTransform;
if (transform) {
if (transform.svg) {
this.t.removeAttribute("data-svg-origin");
this.t.removeAttribute("transform");
}
delete this.t._gsTransform;
}
}
}
};
_registerComplexSpecialProp("clearProps", {parser:function(t, e, p, cssp, pt) {
pt = new CSSPropTween(t, p, 0, 0, pt, 2);
pt.setRatio = _setClearPropsRatio;
pt.e = e;
pt.pr = -10;
pt.data = cssp._tween;
_hasPriority = true;
return pt;
}});
p = "bezier,throwProps,physicsProps,physics2D".split(",");
i = p.length;
while (i--) {
_registerPluginProp(p[i]);
}
p = CSSPlugin.prototype;
p._firstPT = p._lastParsedTransform = p._transform = null;
//gets called when the tween renders for the first time. This kicks everything off, recording start/end values, etc.
p._onInitTween = function(target, vars, tween, index) {
if (!target.nodeType) { //css is only for dom elements
return false;
}
this._target = _target = target;
this._tween = tween;
this._vars = vars;
_index = index;
_autoRound = vars.autoRound;
_hasPriority = false;
_suffixMap = vars.suffixMap || CSSPlugin.suffixMap;
_cs = _getComputedStyle(target, "");
_overwriteProps = this._overwriteProps;
var style = target.style,
v, pt, pt2, first, last, next, zIndex, tpt, threeD;
if (_reqSafariFix) if (style.zIndex === "") {
v = _getStyle(target, "zIndex", _cs);
if (v === "auto" || v === "") {
//corrects a bug in [non-Android] Safari that prevents it from repainting elements in their new positions if they don't have a zIndex set. We also can't just apply this inside _parseTransform() because anything that's moved in any way (like using "left" or "top" instead of transforms like "x" and "y") can be affected, so it is best to ensure that anything that's tweening has a z-index. Setting "WebkitPerspective" to a non-zero value worked too except that on iOS Safari things would flicker randomly. Plus zIndex is less memory-intensive.
this._addLazySet(style, "zIndex", 0);
}
}
if (typeof(vars) === "string") {
first = style.cssText;
v = _getAllStyles(target, _cs);
style.cssText = first + ";" + vars;
v = _cssDif(target, v, _getAllStyles(target)).difs;
if (!_supportsOpacity && _opacityValExp.test(vars)) {
v.opacity = parseFloat( RegExp.$1 );
}
vars = v;
style.cssText = first;
}
if (vars.className) { //className tweens will combine any differences they find in the css with the vars that are passed in, so {className:"myClass", scale:0.5, left:20} would work.
this._firstPT = pt = _specialProps.className.parse(target, vars.className, "className", this, null, null, vars);
} else {
this._firstPT = pt = this.parse(target, vars, null);
}
if (this._transformType) {
threeD = (this._transformType === 3);
if (!_transformProp) {
style.zoom = 1; //helps correct an IE issue.
} else if (_isSafari) {
_reqSafariFix = true;
//if zIndex isn't set, iOS Safari doesn't repaint things correctly sometimes (seemingly at random).
if (style.zIndex === "") {
zIndex = _getStyle(target, "zIndex", _cs);
if (zIndex === "auto" || zIndex === "") {
this._addLazySet(style, "zIndex", 0);
}
}
//Setting WebkitBackfaceVisibility corrects 3 bugs:
// 1) [non-Android] Safari skips rendering changes to "top" and "left" that are made on the same frame/render as a transform update.
// 2) iOS Safari sometimes neglects to repaint elements in their new positions. Setting "WebkitPerspective" to a non-zero value worked too except that on iOS Safari things would flicker randomly.
// 3) Safari sometimes displayed odd artifacts when tweening the transform (or WebkitTransform) property, like ghosts of the edges of the element remained. Definitely a browser bug.
//Note: we allow the user to override the auto-setting by defining WebkitBackfaceVisibility in the vars of the tween.
if (_isSafariLT6) {
this._addLazySet(style, "WebkitBackfaceVisibility", this._vars.WebkitBackfaceVisibility || (threeD ? "visible" : "hidden"));
}
}
pt2 = pt;
while (pt2 && pt2._next) {
pt2 = pt2._next;
}
tpt = new CSSPropTween(target, "transform", 0, 0, null, 2);
this._linkCSSP(tpt, null, pt2);
tpt.setRatio = _transformProp ? _setTransformRatio : _setIETransformRatio;
tpt.data = this._transform || _getTransform(target, _cs, true);
tpt.tween = tween;
tpt.pr = -1; //ensures that the transforms get applied after the components are updated.
_overwriteProps.pop(); //we don't want to force the overwrite of all "transform" tweens of the target - we only care about individual transform properties like scaleX, rotation, etc. The CSSPropTween constructor automatically adds the property to _overwriteProps which is why we need to pop() here.
}
if (_hasPriority) {
//reorders the linked list in order of pr (priority)
while (pt) {
next = pt._next;
pt2 = first;
while (pt2 && pt2.pr > pt.pr) {
pt2 = pt2._next;
}
if ((pt._prev = pt2 ? pt2._prev : last)) {
pt._prev._next = pt;
} else {
first = pt;
}
if ((pt._next = pt2)) {
pt2._prev = pt;
} else {
last = pt;
}
pt = next;
}
this._firstPT = first;
}
return true;
};
p.parse = function(target, vars, pt, plugin) {
var style = target.style,
p, sp, bn, en, bs, es, bsfx, esfx, isStr, rel;
for (p in vars) {
es = vars[p]; //ending value string
if (typeof(es) === "function") {
es = es(_index, _target);
}
sp = _specialProps[p]; //SpecialProp lookup.
if (sp) {
pt = sp.parse(target, es, p, this, pt, plugin, vars);
} else if (p.substr(0,2) === "--") { //for tweening CSS variables (which always start with "--"). To maximize performance and simplicity, we bypass CSSPlugin altogether and just add a normal property tween to the tween instance itself.
this._tween._propLookup[p] = this._addTween.call(this._tween, target.style, "setProperty", _getComputedStyle(target).getPropertyValue(p) + "", es + "", p, false, p);
continue;
} else {
bs = _getStyle(target, p, _cs) + "";
isStr = (typeof(es) === "string");
if (p === "color" || p === "fill" || p === "stroke" || p.indexOf("Color") !== -1 || (isStr && _rgbhslExp.test(es))) { //Opera uses background: to define color sometimes in addition to backgroundColor:
if (!isStr) {
es = _parseColor(es);
es = ((es.length > 3) ? "rgba(" : "rgb(") + es.join(",") + ")";
}
pt = _parseComplex(style, p, bs, es, true, "transparent", pt, 0, plugin);
} else if (isStr && _complexExp.test(es)) {
pt = _parseComplex(style, p, bs, es, true, null, pt, 0, plugin);
} else {
bn = parseFloat(bs);
bsfx = (bn || bn === 0) ? bs.substr((bn + "").length) : ""; //remember, bs could be non-numeric like "normal" for fontWeight, so we should default to a blank suffix in that case.
if (bs === "" || bs === "auto") {
if (p === "width" || p === "height") {
bn = _getDimension(target, p, _cs);
bsfx = "px";
} else if (p === "left" || p === "top") {
bn = _calculateOffset(target, p, _cs);
bsfx = "px";
} else {
bn = (p !== "opacity") ? 0 : 1;
bsfx = "";
}
}
rel = (isStr && es.charAt(1) === "=");
if (rel) {
en = parseInt(es.charAt(0) + "1", 10);
es = es.substr(2);
en *= parseFloat(es);
esfx = es.replace(_suffixExp, "");
} else {
en = parseFloat(es);
esfx = isStr ? es.replace(_suffixExp, "") : "";
}
if (esfx === "") {
esfx = (p in _suffixMap) ? _suffixMap[p] : bsfx; //populate the end suffix, prioritizing the map, then if none is found, use the beginning suffix.
}
es = (en || en === 0) ? (rel ? en + bn : en) + esfx : vars[p]; //ensures that any += or -= prefixes are taken care of. Record the end value before normalizing the suffix because we always want to end the tween on exactly what they intended even if it doesn't match the beginning value's suffix.
//if the beginning/ending suffixes don't match, normalize them...
if (bsfx !== esfx) if (esfx !== "" || p === "lineHeight") if (en || en === 0) if (bn) { //note: if the beginning value (bn) is 0, we don't need to convert units!
bn = _convertToPixels(target, p, bn, bsfx);
if (esfx === "%") {
bn /= _convertToPixels(target, p, 100, "%") / 100;
if (vars.strictUnits !== true) { //some browsers report only "px" values instead of allowing "%" with getComputedStyle(), so we assume that if we're tweening to a %, we should start there too unless strictUnits:true is defined. This approach is particularly useful for responsive designs that use from() tweens.
bs = bn + "%";
}
} else if (esfx === "em" || esfx === "rem" || esfx === "vw" || esfx === "vh") {
bn /= _convertToPixels(target, p, 1, esfx);
//otherwise convert to pixels.
} else if (esfx !== "px") {
en = _convertToPixels(target, p, en, esfx);
esfx = "px"; //we don't use bsfx after this, so we don't need to set it to px too.
}
if (rel) if (en || en === 0) {
es = (en + bn) + esfx; //the changes we made affect relative calculations, so adjust the end value here.
}
}
if (rel) {
en += bn;
}
if ((bn || bn === 0) && (en || en === 0)) { //faster than isNaN(). Also, previously we required en !== bn but that doesn't really gain much performance and it prevents _parseToProxy() from working properly if beginning and ending values match but need to get tweened by an external plugin anyway. For example, a bezier tween where the target starts at left:0 and has these points: [{left:50},{left:0}] wouldn't work properly because when parsing the last point, it'd match the first (current) one and a non-tweening CSSPropTween would be recorded when we actually need a normal tween (type:0) so that things get updated during the tween properly.
pt = new CSSPropTween(style, p, bn, en - bn, pt, 0, p, (_autoRound !== false && (esfx === "px" || p === "zIndex")), 0, bs, es);
pt.xs0 = esfx;
//DEBUG: _log("tween "+p+" from "+pt.b+" ("+bn+esfx+") to "+pt.e+" with suffix: "+pt.xs0);
} else if (style[p] === undefined || !es && (es + "" === "NaN" || es == null)) {
_log("invalid " + p + " tween value: " + vars[p]);
} else {
pt = new CSSPropTween(style, p, en || bn || 0, 0, pt, -1, p, false, 0, bs, es);
pt.xs0 = (es === "none" && (p === "display" || p.indexOf("Style") !== -1)) ? bs : es; //intermediate value should typically be set immediately (end value) except for "display" or things like borderTopStyle, borderBottomStyle, etc. which should use the beginning value during the tween.
//DEBUG: _log("non-tweening value "+p+": "+pt.xs0);
}
}
}
if (plugin) if (pt && !pt.plugin) {
pt.plugin = plugin;
}
}
return pt;
};
//gets called every time the tween updates, passing the new ratio (typically a value between 0 and 1, but not always (for example, if an Elastic.easeOut is used, the value can jump above 1 mid-tween). It will always start and 0 and end at 1.
p.setRatio = function(v) {
var pt = this._firstPT,
min = 0.000001,
val, str, i;
//at the end of the tween, we set the values to exactly what we received in order to make sure non-tweening values (like "position" or "float" or whatever) are set and so that if the beginning/ending suffixes (units) didn't match and we normalized to px, the value that the user passed in is used here. We check to see if the tween is at its beginning in case it's a from() tween in which case the ratio will actually go from 1 to 0 over the course of the tween (backwards).
if (v === 1 && (this._tween._time === this._tween._duration || this._tween._time === 0)) {
while (pt) {
if (pt.type !== 2) {
if (pt.r && pt.type !== -1) {
val = Math.round(pt.s + pt.c);
if (!pt.type) {
pt.t[pt.p] = val + pt.xs0;
} else if (pt.type === 1) { //complex value (one that typically has multiple numbers inside a string, like "rect(5px,10px,20px,25px)"
i = pt.l;
str = pt.xs0 + val + pt.xs1;
for (i = 1; i < pt.l; i++) {
str += pt["xn"+i] + pt["xs"+(i+1)];
}
pt.t[pt.p] = str;
}
} else {
pt.t[pt.p] = pt.e;
}
} else {
pt.setRatio(v);
}
pt = pt._next;
}
} else if (v || !(this._tween._time === this._tween._duration || this._tween._time === 0) || this._tween._rawPrevTime === -0.000001) {
while (pt) {
val = pt.c * v + pt.s;
if (pt.r) {
val = Math.round(val);
} else if (val < min) if (val > -min) {
val = 0;
}
if (!pt.type) {
pt.t[pt.p] = val + pt.xs0;
} else if (pt.type === 1) { //complex value (one that typically has multiple numbers inside a string, like "rect(5px,10px,20px,25px)"
i = pt.l;
if (i === 2) {
pt.t[pt.p] = pt.xs0 + val + pt.xs1 + pt.xn1 + pt.xs2;
} else if (i === 3) {
pt.t[pt.p] = pt.xs0 + val + pt.xs1 + pt.xn1 + pt.xs2 + pt.xn2 + pt.xs3;
} else if (i === 4) {
pt.t[pt.p] = pt.xs0 + val + pt.xs1 + pt.xn1 + pt.xs2 + pt.xn2 + pt.xs3 + pt.xn3 + pt.xs4;
} else if (i === 5) {
pt.t[pt.p] = pt.xs0 + val + pt.xs1 + pt.xn1 + pt.xs2 + pt.xn2 + pt.xs3 + pt.xn3 + pt.xs4 + pt.xn4 + pt.xs5;
} else {
str = pt.xs0 + val + pt.xs1;
for (i = 1; i < pt.l; i++) {
str += pt["xn"+i] + pt["xs"+(i+1)];
}
pt.t[pt.p] = str;
}
} else if (pt.type === -1) { //non-tweening value
pt.t[pt.p] = pt.xs0;
} else if (pt.setRatio) { //custom setRatio() for things like SpecialProps, external plugins, etc.
pt.setRatio(v);
}
pt = pt._next;
}
//if the tween is reversed all the way back to the beginning, we need to restore the original values which may have different units (like % instead of px or em or whatever).
} else {
while (pt) {
if (pt.type !== 2) {
pt.t[pt.p] = pt.b;
} else {
pt.setRatio(v);
}
pt = pt._next;
}
}
};
/**
* @private
* Forces rendering of the target's transforms (rotation, scale, etc.) whenever the CSSPlugin's setRatio() is called.
* Basically, this tells the CSSPlugin to create a CSSPropTween (type 2) after instantiation that runs last in the linked
* list and calls the appropriate (3D or 2D) rendering function. We separate this into its own method so that we can call
* it from other plugins like BezierPlugin if, for example, it needs to apply an autoRotation and this CSSPlugin
* doesn't have any transform-related properties of its own. You can call this method as many times as you
* want and it won't create duplicate CSSPropTweens.
*
* @param {boolean} threeD if true, it should apply 3D tweens (otherwise, just 2D ones are fine and typically faster)
*/
p._enableTransforms = function(threeD) {
this._transform = this._transform || _getTransform(this._target, _cs, true); //ensures that the element has a _gsTransform property with the appropriate values.
this._transformType = (!(this._transform.svg && _useSVGTransformAttr) && (threeD || this._transformType === 3)) ? 3 : 2;
};
var lazySet = function(v) {
this.t[this.p] = this.e;
this.data._linkCSSP(this, this._next, null, true); //we purposefully keep this._next even though it'd make sense to null it, but this is a performance optimization, as this happens during the while (pt) {} loop in setRatio() at the bottom of which it sets pt = pt._next, so if we null it, the linked list will be broken in that loop.
};
/** @private Gives us a way to set a value on the first render (and only the first render). **/
p._addLazySet = function(t, p, v) {
var pt = this._firstPT = new CSSPropTween(t, p, 0, 0, this._firstPT, 2);
pt.e = v;
pt.setRatio = lazySet;
pt.data = this;
};
/** @private **/
p._linkCSSP = function(pt, next, prev, remove) {
if (pt) {
if (next) {
next._prev = pt;
}
if (pt._next) {
pt._next._prev = pt._prev;
}
if (pt._prev) {
pt._prev._next = pt._next;
} else if (this._firstPT === pt) {
this._firstPT = pt._next;
remove = true; //just to prevent resetting this._firstPT 5 lines down in case pt._next is null. (optimized for speed)
}
if (prev) {
prev._next = pt;
} else if (!remove && this._firstPT === null) {
this._firstPT = pt;
}
pt._next = next;
pt._prev = prev;
}
return pt;
};
p._mod = function(lookup) {
var pt = this._firstPT;
while (pt) {
if (typeof(lookup[pt.p]) === "function" && lookup[pt.p] === Math.round) { //only gets called by RoundPropsPlugin (ModifyPlugin manages all the rendering internally for CSSPlugin properties that need modification). Remember, we handle rounding a bit differently in this plugin for performance reasons, leveraging "r" as an indicator that the value should be rounded internally..
pt.r = 1;
}
pt = pt._next;
}
};
//we need to make sure that if alpha or autoAlpha is killed, opacity is too. And autoAlpha affects the "visibility" property.
p._kill = function(lookup) {
var copy = lookup,
pt, p, xfirst;
if (lookup.autoAlpha || lookup.alpha) {
copy = {};
for (p in lookup) { //copy the lookup so that we're not changing the original which may be passed elsewhere.
copy[p] = lookup[p];
}
copy.opacity = 1;
if (copy.autoAlpha) {
copy.visibility = 1;
}
}
if (lookup.className && (pt = this._classNamePT)) { //for className tweens, we need to kill any associated CSSPropTweens too; a linked list starts at the className's "xfirst".
xfirst = pt.xfirst;
if (xfirst && xfirst._prev) {
this._linkCSSP(xfirst._prev, pt._next, xfirst._prev._prev); //break off the prev
} else if (xfirst === this._firstPT) {
this._firstPT = pt._next;
}
if (pt._next) {
this._linkCSSP(pt._next, pt._next._next, xfirst._prev);
}
this._classNamePT = null;
}
pt = this._firstPT;
while (pt) {
if (pt.plugin && pt.plugin !== p && pt.plugin._kill) { //for plugins that are registered with CSSPlugin, we should notify them of the kill.
pt.plugin._kill(lookup);
p = pt.plugin;
}
pt = pt._next;
}
return TweenPlugin.prototype._kill.call(this, copy);
};
//used by cascadeTo() for gathering all the style properties of each child element into an array for comparison.
var _getChildStyles = function(e, props, targets) {
var children, i, child, type;
if (e.slice) {
i = e.length;
while (--i > -1) {
_getChildStyles(e[i], props, targets);
}
return;
}
children = e.childNodes;
i = children.length;
while (--i > -1) {
child = children[i];
type = child.type;
if (child.style) {
props.push(_getAllStyles(child));
if (targets) {
targets.push(child);
}
}
if ((type === 1 || type === 9 || type === 11) && child.childNodes.length) {
_getChildStyles(child, props, targets);
}
}
};
/**
* Typically only useful for className tweens that may affect child elements, this method creates a TweenLite
* and then compares the style properties of all the target's child elements at the tween's start and end, and
* if any are different, it also creates tweens for those and returns an array containing ALL of the resulting
* tweens (so that you can easily add() them to a TimelineLite, for example). The reason this functionality is
* wrapped into a separate static method of CSSPlugin instead of being integrated into all regular className tweens
* is because it creates entirely new tweens that may have completely different targets than the original tween,
* so if they were all lumped into the original tween instance, it would be inconsistent with the rest of the API
* and it would create other problems. For example:
* - If I create a tween of elementA, that tween instance may suddenly change its target to include 50 other elements (unintuitive if I specifically defined the target I wanted)
* - We can't just create new independent tweens because otherwise, what happens if the original/parent tween is reversed or pause or dropped into a TimelineLite for tight control? You'd expect that tween's behavior to affect all the others.
* - Analyzing every style property of every child before and after the tween is an expensive operation when there are many children, so this behavior shouldn't be imposed on all className tweens by default, especially since it's probably rare that this extra functionality is needed.
*
* @param {Object} target object to be tweened
* @param {number} Duration in seconds (or frames for frames-based tweens)
* @param {Object} Object containing the end values, like {className:"newClass", ease:Linear.easeNone}
* @return {Array} An array of TweenLite instances
*/
CSSPlugin.cascadeTo = function(target, duration, vars) {
var tween = TweenLite.to(target, duration, vars),
results = [tween],
b = [],
e = [],
targets = [],
_reservedProps = TweenLite._internals.reservedProps,
i, difs, p, from;
target = tween._targets || tween.target;
_getChildStyles(target, b, targets);
tween.render(duration, true, true);
_getChildStyles(target, e);
tween.render(0, true, true);
tween._enabled(true);
i = targets.length;
while (--i > -1) {
difs = _cssDif(targets[i], b[i], e[i]);
if (difs.firstMPT) {
difs = difs.difs;
for (p in vars) {
if (_reservedProps[p]) {
difs[p] = vars[p];
}
}
from = {};
for (p in difs) {
from[p] = b[i][p];
}
results.push(TweenLite.fromTo(targets[i], duration, from, difs));
}
}
return results;
};
TweenPlugin.activate([CSSPlugin]);
return CSSPlugin;
}, true);
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("CSSPlugin"));
/*!
* VERSION: 1.3.8
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _RAD2DEG = 180 / Math.PI,
_r1 = [],
_r2 = [],
_r3 = [],
_corProps = {},
_globals = _gsScope._gsDefine.globals,
Segment = function(a, b, c, d) {
if (c === d) { //if c and d match, the final autoRotate value could lock at -90 degrees, so differentiate them slightly.
c = d - (d - b) / 1000000;
}
if (a === b) { //if a and b match, the starting autoRotate value could lock at -90 degrees, so differentiate them slightly.
b = a + (c - a) / 1000000;
}
this.a = a;
this.b = b;
this.c = c;
this.d = d;
this.da = d - a;
this.ca = c - a;
this.ba = b - a;
},
_correlate = ",x,y,z,left,top,right,bottom,marginTop,marginLeft,marginRight,marginBottom,paddingLeft,paddingTop,paddingRight,paddingBottom,backgroundPosition,backgroundPosition_y,",
cubicToQuadratic = function(a, b, c, d) {
var q1 = {a:a},
q2 = {},
q3 = {},
q4 = {c:d},
mab = (a + b) / 2,
mbc = (b + c) / 2,
mcd = (c + d) / 2,
mabc = (mab + mbc) / 2,
mbcd = (mbc + mcd) / 2,
m8 = (mbcd - mabc) / 8;
q1.b = mab + (a - mab) / 4;
q2.b = mabc + m8;
q1.c = q2.a = (q1.b + q2.b) / 2;
q2.c = q3.a = (mabc + mbcd) / 2;
q3.b = mbcd - m8;
q4.b = mcd + (d - mcd) / 4;
q3.c = q4.a = (q3.b + q4.b) / 2;
return [q1, q2, q3, q4];
},
_calculateControlPoints = function(a, curviness, quad, basic, correlate) {
var l = a.length - 1,
ii = 0,
cp1 = a[0].a,
i, p1, p2, p3, seg, m1, m2, mm, cp2, qb, r1, r2, tl;
for (i = 0; i < l; i++) {
seg = a[ii];
p1 = seg.a;
p2 = seg.d;
p3 = a[ii+1].d;
if (correlate) {
r1 = _r1[i];
r2 = _r2[i];
tl = ((r2 + r1) * curviness * 0.25) / (basic ? 0.5 : _r3[i] || 0.5);
m1 = p2 - (p2 - p1) * (basic ? curviness * 0.5 : (r1 !== 0 ? tl / r1 : 0));
m2 = p2 + (p3 - p2) * (basic ? curviness * 0.5 : (r2 !== 0 ? tl / r2 : 0));
mm = p2 - (m1 + (((m2 - m1) * ((r1 * 3 / (r1 + r2)) + 0.5) / 4) || 0));
} else {
m1 = p2 - (p2 - p1) * curviness * 0.5;
m2 = p2 + (p3 - p2) * curviness * 0.5;
mm = p2 - (m1 + m2) / 2;
}
m1 += mm;
m2 += mm;
seg.c = cp2 = m1;
if (i !== 0) {
seg.b = cp1;
} else {
seg.b = cp1 = seg.a + (seg.c - seg.a) * 0.6; //instead of placing b on a exactly, we move it inline with c so that if the user specifies an ease like Back.easeIn or Elastic.easeIn which goes BEYOND the beginning, it will do so smoothly.
}
seg.da = p2 - p1;
seg.ca = cp2 - p1;
seg.ba = cp1 - p1;
if (quad) {
qb = cubicToQuadratic(p1, cp1, cp2, p2);
a.splice(ii, 1, qb[0], qb[1], qb[2], qb[3]);
ii += 4;
} else {
ii++;
}
cp1 = m2;
}
seg = a[ii];
seg.b = cp1;
seg.c = cp1 + (seg.d - cp1) * 0.4; //instead of placing c on d exactly, we move it inline with b so that if the user specifies an ease like Back.easeOut or Elastic.easeOut which goes BEYOND the end, it will do so smoothly.
seg.da = seg.d - seg.a;
seg.ca = seg.c - seg.a;
seg.ba = cp1 - seg.a;
if (quad) {
qb = cubicToQuadratic(seg.a, cp1, seg.c, seg.d);
a.splice(ii, 1, qb[0], qb[1], qb[2], qb[3]);
}
},
_parseAnchors = function(values, p, correlate, prepend) {
var a = [],
l, i, p1, p2, p3, tmp;
if (prepend) {
values = [prepend].concat(values);
i = values.length;
while (--i > -1) {
if (typeof( (tmp = values[i][p]) ) === "string") if (tmp.charAt(1) === "=") {
values[i][p] = prepend[p] + Number(tmp.charAt(0) + tmp.substr(2)); //accommodate relative values. Do it inline instead of breaking it out into a function for speed reasons
}
}
}
l = values.length - 2;
if (l < 0) {
a[0] = new Segment(values[0][p], 0, 0, values[0][p]);
return a;
}
for (i = 0; i < l; i++) {
p1 = values[i][p];
p2 = values[i+1][p];
a[i] = new Segment(p1, 0, 0, p2);
if (correlate) {
p3 = values[i+2][p];
_r1[i] = (_r1[i] || 0) + (p2 - p1) * (p2 - p1);
_r2[i] = (_r2[i] || 0) + (p3 - p2) * (p3 - p2);
}
}
a[i] = new Segment(values[i][p], 0, 0, values[i+1][p]);
return a;
},
bezierThrough = function(values, curviness, quadratic, basic, correlate, prepend) {
var obj = {},
props = [],
first = prepend || values[0],
i, p, a, j, r, l, seamless, last;
correlate = (typeof(correlate) === "string") ? ","+correlate+"," : _correlate;
if (curviness == null) {
curviness = 1;
}
for (p in values[0]) {
props.push(p);
}
//check to see if the last and first values are identical (well, within 0.05). If so, make seamless by appending the second element to the very end of the values array and the 2nd-to-last element to the very beginning (we'll remove those segments later)
if (values.length > 1) {
last = values[values.length - 1];
seamless = true;
i = props.length;
while (--i > -1) {
p = props[i];
if (Math.abs(first[p] - last[p]) > 0.05) { //build in a tolerance of +/-0.05 to accommodate rounding errors.
seamless = false;
break;
}
}
if (seamless) {
values = values.concat(); //duplicate the array to avoid contaminating the original which the user may be reusing for other tweens
if (prepend) {
values.unshift(prepend);
}
values.push(values[1]);
prepend = values[values.length - 3];
}
}
_r1.length = _r2.length = _r3.length = 0;
i = props.length;
while (--i > -1) {
p = props[i];
_corProps[p] = (correlate.indexOf(","+p+",") !== -1);
obj[p] = _parseAnchors(values, p, _corProps[p], prepend);
}
i = _r1.length;
while (--i > -1) {
_r1[i] = Math.sqrt(_r1[i]);
_r2[i] = Math.sqrt(_r2[i]);
}
if (!basic) {
i = props.length;
while (--i > -1) {
if (_corProps[p]) {
a = obj[props[i]];
l = a.length - 1;
for (j = 0; j < l; j++) {
r = (a[j+1].da / _r2[j] + a[j].da / _r1[j]) || 0;
_r3[j] = (_r3[j] || 0) + r * r;
}
}
}
i = _r3.length;
while (--i > -1) {
_r3[i] = Math.sqrt(_r3[i]);
}
}
i = props.length;
j = quadratic ? 4 : 1;
while (--i > -1) {
p = props[i];
a = obj[p];
_calculateControlPoints(a, curviness, quadratic, basic, _corProps[p]); //this method requires that _parseAnchors() and _setSegmentRatios() ran first so that _r1, _r2, and _r3 values are populated for all properties
if (seamless) {
a.splice(0, j);
a.splice(a.length - j, j);
}
}
return obj;
},
_parseBezierData = function(values, type, prepend) {
type = type || "soft";
var obj = {},
inc = (type === "cubic") ? 3 : 2,
soft = (type === "soft"),
props = [],
a, b, c, d, cur, i, j, l, p, cnt, tmp;
if (soft && prepend) {
values = [prepend].concat(values);
}
if (values == null || values.length < inc + 1) { throw "invalid Bezier data"; }
for (p in values[0]) {
props.push(p);
}
i = props.length;
while (--i > -1) {
p = props[i];
obj[p] = cur = [];
cnt = 0;
l = values.length;
for (j = 0; j < l; j++) {
a = (prepend == null) ? values[j][p] : (typeof( (tmp = values[j][p]) ) === "string" && tmp.charAt(1) === "=") ? prepend[p] + Number(tmp.charAt(0) + tmp.substr(2)) : Number(tmp);
if (soft) if (j > 1) if (j < l - 1) {
cur[cnt++] = (a + cur[cnt-2]) / 2;
}
cur[cnt++] = a;
}
l = cnt - inc + 1;
cnt = 0;
for (j = 0; j < l; j += inc) {
a = cur[j];
b = cur[j+1];
c = cur[j+2];
d = (inc === 2) ? 0 : cur[j+3];
cur[cnt++] = tmp = (inc === 3) ? new Segment(a, b, c, d) : new Segment(a, (2 * b + a) / 3, (2 * b + c) / 3, c);
}
cur.length = cnt;
}
return obj;
},
_addCubicLengths = function(a, steps, resolution) {
var inc = 1 / resolution,
j = a.length,
d, d1, s, da, ca, ba, p, i, inv, bez, index;
while (--j > -1) {
bez = a[j];
s = bez.a;
da = bez.d - s;
ca = bez.c - s;
ba = bez.b - s;
d = d1 = 0;
for (i = 1; i <= resolution; i++) {
p = inc * i;
inv = 1 - p;
d = d1 - (d1 = (p * p * da + 3 * inv * (p * ca + inv * ba)) * p);
index = j * resolution + i - 1;
steps[index] = (steps[index] || 0) + d * d;
}
}
},
_parseLengthData = function(obj, resolution) {
resolution = resolution >> 0 || 6;
var a = [],
lengths = [],
d = 0,
total = 0,
threshold = resolution - 1,
segments = [],
curLS = [], //current length segments array
p, i, l, index;
for (p in obj) {
_addCubicLengths(obj[p], a, resolution);
}
l = a.length;
for (i = 0; i < l; i++) {
d += Math.sqrt(a[i]);
index = i % resolution;
curLS[index] = d;
if (index === threshold) {
total += d;
index = (i / resolution) >> 0;
segments[index] = curLS;
lengths[index] = total;
d = 0;
curLS = [];
}
}
return {length:total, lengths:lengths, segments:segments};
},
BezierPlugin = _gsScope._gsDefine.plugin({
propName: "bezier",
priority: -1,
version: "1.3.8",
API: 2,
global:true,
//gets called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, vars, tween) {
this._target = target;
if (vars instanceof Array) {
vars = {values:vars};
}
this._func = {};
this._mod = {};
this._props = [];
this._timeRes = (vars.timeResolution == null) ? 6 : parseInt(vars.timeResolution, 10);
var values = vars.values || [],
first = {},
second = values[0],
autoRotate = vars.autoRotate || tween.vars.orientToBezier,
p, isFunc, i, j, prepend;
this._autoRotate = autoRotate ? (autoRotate instanceof Array) ? autoRotate : [["x","y","rotation",((autoRotate === true) ? 0 : Number(autoRotate) || 0)]] : null;
for (p in second) {
this._props.push(p);
}
i = this._props.length;
while (--i > -1) {
p = this._props[i];
this._overwriteProps.push(p);
isFunc = this._func[p] = (typeof(target[p]) === "function");
first[p] = (!isFunc) ? parseFloat(target[p]) : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]();
if (!prepend) if (first[p] !== values[0][p]) {
prepend = first;
}
}
this._beziers = (vars.type !== "cubic" && vars.type !== "quadratic" && vars.type !== "soft") ? bezierThrough(values, isNaN(vars.curviness) ? 1 : vars.curviness, false, (vars.type === "thruBasic"), vars.correlate, prepend) : _parseBezierData(values, vars.type, first);
this._segCount = this._beziers[p].length;
if (this._timeRes) {
var ld = _parseLengthData(this._beziers, this._timeRes);
this._length = ld.length;
this._lengths = ld.lengths;
this._segments = ld.segments;
this._l1 = this._li = this._s1 = this._si = 0;
this._l2 = this._lengths[0];
this._curSeg = this._segments[0];
this._s2 = this._curSeg[0];
this._prec = 1 / this._curSeg.length;
}
if ((autoRotate = this._autoRotate)) {
this._initialRotations = [];
if (!(autoRotate[0] instanceof Array)) {
this._autoRotate = autoRotate = [autoRotate];
}
i = autoRotate.length;
while (--i > -1) {
for (j = 0; j < 3; j++) {
p = autoRotate[i][j];
this._func[p] = (typeof(target[p]) === "function") ? target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ] : false;
}
p = autoRotate[i][2];
this._initialRotations[i] = (this._func[p] ? this._func[p].call(this._target) : this._target[p]) || 0;
this._overwriteProps.push(p);
}
}
this._startRatio = tween.vars.runBackwards ? 1 : 0; //we determine the starting ratio when the tween inits which is always 0 unless the tween has runBackwards:true (indicating it's a from() tween) in which case it's 1.
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(v) {
var segments = this._segCount,
func = this._func,
target = this._target,
notStart = (v !== this._startRatio),
curIndex, inv, i, p, b, t, val, l, lengths, curSeg;
if (!this._timeRes) {
curIndex = (v < 0) ? 0 : (v >= 1) ? segments - 1 : (segments * v) >> 0;
t = (v - (curIndex * (1 / segments))) * segments;
} else {
lengths = this._lengths;
curSeg = this._curSeg;
v *= this._length;
i = this._li;
//find the appropriate segment (if the currently cached one isn't correct)
if (v > this._l2 && i < segments - 1) {
l = segments - 1;
while (i < l && (this._l2 = lengths[++i]) <= v) { }
this._l1 = lengths[i-1];
this._li = i;
this._curSeg = curSeg = this._segments[i];
this._s2 = curSeg[(this._s1 = this._si = 0)];
} else if (v < this._l1 && i > 0) {
while (i > 0 && (this._l1 = lengths[--i]) >= v) { }
if (i === 0 && v < this._l1) {
this._l1 = 0;
} else {
i++;
}
this._l2 = lengths[i];
this._li = i;
this._curSeg = curSeg = this._segments[i];
this._s1 = curSeg[(this._si = curSeg.length - 1) - 1] || 0;
this._s2 = curSeg[this._si];
}
curIndex = i;
//now find the appropriate sub-segment (we split it into the number of pieces that was defined by "precision" and measured each one)
v -= this._l1;
i = this._si;
if (v > this._s2 && i < curSeg.length - 1) {
l = curSeg.length - 1;
while (i < l && (this._s2 = curSeg[++i]) <= v) { }
this._s1 = curSeg[i-1];
this._si = i;
} else if (v < this._s1 && i > 0) {
while (i > 0 && (this._s1 = curSeg[--i]) >= v) { }
if (i === 0 && v < this._s1) {
this._s1 = 0;
} else {
i++;
}
this._s2 = curSeg[i];
this._si = i;
}
t = ((i + (v - this._s1) / (this._s2 - this._s1)) * this._prec) || 0;
}
inv = 1 - t;
i = this._props.length;
while (--i > -1) {
p = this._props[i];
b = this._beziers[p][curIndex];
val = (t * t * b.da + 3 * inv * (t * b.ca + inv * b.ba)) * t + b.a;
if (this._mod[p]) {
val = this._mod[p](val, target);
}
if (func[p]) {
target[p](val);
} else {
target[p] = val;
}
}
if (this._autoRotate) {
var ar = this._autoRotate,
b2, x1, y1, x2, y2, add, conv;
i = ar.length;
while (--i > -1) {
p = ar[i][2];
add = ar[i][3] || 0;
conv = (ar[i][4] === true) ? 1 : _RAD2DEG;
b = this._beziers[ar[i][0]];
b2 = this._beziers[ar[i][1]];
if (b && b2) { //in case one of the properties got overwritten.
b = b[curIndex];
b2 = b2[curIndex];
x1 = b.a + (b.b - b.a) * t;
x2 = b.b + (b.c - b.b) * t;
x1 += (x2 - x1) * t;
x2 += ((b.c + (b.d - b.c) * t) - x2) * t;
y1 = b2.a + (b2.b - b2.a) * t;
y2 = b2.b + (b2.c - b2.b) * t;
y1 += (y2 - y1) * t;
y2 += ((b2.c + (b2.d - b2.c) * t) - y2) * t;
val = notStart ? Math.atan2(y2 - y1, x2 - x1) * conv + add : this._initialRotations[i];
if (this._mod[p]) {
val = this._mod[p](val, target); //for modProps
}
if (func[p]) {
target[p](val);
} else {
target[p] = val;
}
}
}
}
}
}),
p = BezierPlugin.prototype;
BezierPlugin.bezierThrough = bezierThrough;
BezierPlugin.cubicToQuadratic = cubicToQuadratic;
BezierPlugin._autoCSS = true; //indicates that this plugin can be inserted into the "css" object using the autoCSS feature of TweenLite
BezierPlugin.quadraticToCubic = function(a, b, c) {
return new Segment(a, (2 * b + a) / 3, (2 * b + c) / 3, c);
};
BezierPlugin._cssRegister = function() {
var CSSPlugin = _globals.CSSPlugin;
if (!CSSPlugin) {
return;
}
var _internals = CSSPlugin._internals,
_parseToProxy = _internals._parseToProxy,
_setPluginRatio = _internals._setPluginRatio,
CSSPropTween = _internals.CSSPropTween;
_internals._registerComplexSpecialProp("bezier", {parser:function(t, e, prop, cssp, pt, plugin) {
if (e instanceof Array) {
e = {values:e};
}
plugin = new BezierPlugin();
var values = e.values,
l = values.length - 1,
pluginValues = [],
v = {},
i, p, data;
if (l < 0) {
return pt;
}
for (i = 0; i <= l; i++) {
data = _parseToProxy(t, values[i], cssp, pt, plugin, (l !== i));
pluginValues[i] = data.end;
}
for (p in e) {
v[p] = e[p]; //duplicate the vars object because we need to alter some things which would cause problems if the user plans to reuse the same vars object for another tween.
}
v.values = pluginValues;
pt = new CSSPropTween(t, "bezier", 0, 0, data.pt, 2);
pt.data = data;
pt.plugin = plugin;
pt.setRatio = _setPluginRatio;
if (v.autoRotate === 0) {
v.autoRotate = true;
}
if (v.autoRotate && !(v.autoRotate instanceof Array)) {
i = (v.autoRotate === true) ? 0 : Number(v.autoRotate);
v.autoRotate = (data.end.left != null) ? [["left","top","rotation",i,false]] : (data.end.x != null) ? [["x","y","rotation",i,false]] : false;
}
if (v.autoRotate) {
if (!cssp._transform) {
cssp._enableTransforms(false);
}
data.autoRotate = cssp._target._gsTransform;
data.proxy.rotation = data.autoRotate.rotation || 0;
cssp._overwriteProps.push("rotation");
}
plugin._onInitTween(data.proxy, v, cssp._tween);
return pt;
}});
};
p._mod = function(lookup) {
var op = this._overwriteProps,
i = op.length,
val;
while (--i > -1) {
val = lookup[op[i]];
if (val && typeof(val) === "function") {
this._mod[op[i]] = val;
}
}
};
p._kill = function(lookup) {
var a = this._props,
p, i;
for (p in this._beziers) {
if (p in lookup) {
delete this._beziers[p];
delete this._func[p];
i = a.length;
while (--i > -1) {
if (a[i] === p) {
a.splice(i, 1);
}
}
}
}
a = this._autoRotate;
if (a) {
i = a.length;
while (--i > -1) {
if (lookup[a[i][2]]) {
a.splice(i, 1);
}
}
}
return this._super._kill.call(this, lookup);
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("BezierPlugin"));
/*!
* VERSION: 0.1.4
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* DrawSVGPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _doc = _gsScope.document,
_getComputedStyle = _doc.defaultView ? _doc.defaultView.getComputedStyle : function() {},
_numbersExp = /(?:(-|-=|\+=)?\d*\.?\d*(?:e[\-+]?\d+)?)[0-9]/ig,
_isEdge = (((_gsScope.navigator || {}).userAgent || "").indexOf("Edge") !== -1), //Microsoft Edge has a bug that causes it not to redraw the path correctly if the stroke-linecap is anything other than "butt" (like "round") and it doesn't match the stroke-linejoin. A way to trigger it is to change the stroke-miterlimit, so we'll only do that if/when we have to (to maximize performance)
DrawSVGPlugin;
function getDistance(x1, y1, x2, y2, scaleX, scaleY) {
x2 = (parseFloat(x2 || 0) - parseFloat(x1 || 0)) * scaleX;
y2 = (parseFloat(y2 || 0) - parseFloat(y1 || 0)) * scaleY;
return Math.sqrt(x2 * x2 + y2 * y2);
}
function unwrap(element) {
if (typeof(element) === "string" || !element.nodeType) {
element = _gsScope.TweenLite.selector(element);
if (element.length) {
element = element[0];
}
}
return element;
}
//accepts values like "100%" or "20% 80%" or "20 50" and parses it into an absolute start and end position on the line/stroke based on its length. Returns an an array with the start and end values, like [0, 243]
function parse(value, length, defaultStart) {
var i = value.indexOf(" "),
s, e;
if (i === -1) {
s = defaultStart !== undefined ? defaultStart + "" : value;
e = value;
} else {
s = value.substr(0, i);
e = value.substr(i+1);
}
s = (s.indexOf("%") !== -1) ? (parseFloat(s) / 100) * length : parseFloat(s);
e = (e.indexOf("%") !== -1) ? (parseFloat(e) / 100) * length : parseFloat(e);
return (s > e) ? [e, s] : [s, e];
}
function getLength(element) {
if (!element) {
return 0;
}
element = unwrap(element);
var type = element.tagName.toLowerCase(),
scaleX = 1,
scaleY = 1,
length, bbox, points, prevPoint, i, rx, ry;
if (element.getAttribute("vector-effect") === "non-scaling-stroke") { //non-scaling-stroke basically scales the shape and then strokes it at the screen-level (after transforms), thus we need to adjust the length accordingly.
scaleY = element.getScreenCTM();
scaleX = scaleY.a;
scaleY = scaleY.d;
}
try { //IE bug: calling <path>.getTotalLength() locks the repaint area of the stroke to whatever its current dimensions are on that frame/tick. To work around that, we must call getBBox() to force IE to recalculate things.
bbox = element.getBBox(); //solely for fixing bug in IE - we don't actually use the bbox.
} catch (e) {
//firefox has a bug that throws an error if the element isn't visible.
}
if ((!bbox || (!bbox.width && !bbox.height)) && (type === "rect" || type === "circle" || type === "ellipse")) { //if the element isn't visible, try to discern width/height using its attributes.
bbox = {
width: parseFloat( element.getAttribute( (type === "rect") ? "width" : (type === "circle") ? "r" : "rx")),
height: parseFloat( element.getAttribute( (type === "rect") ? "height" : (type === "circle") ? "r" : "ry") )
};
if (type !== "rect") {
bbox.width *= 2;
bbox.height *= 2;
}
}
if (type === "path") {
prevPoint = element.style.strokeDasharray;
element.style.strokeDasharray = "none";
length = element.getTotalLength() || 0;
if (scaleX !== scaleY) {
console.log("Warning: <path> length cannot be measured accurately when vector-effect is non-scaling-stroke and the element isn't proportionally scaled.");
}
length *= (scaleX + scaleY) / 2;
element.style.strokeDasharray = prevPoint;
} else if (type === "rect") {
length = bbox.width * 2 * scaleX + bbox.height * 2 * scaleY;
} else if (type === "line") {
length = getDistance(element.getAttribute("x1"), element.getAttribute("y1"), element.getAttribute("x2"), element.getAttribute("y2"), scaleX, scaleY);
} else if (type === "polyline" || type === "polygon") {
points = element.getAttribute("points").match(_numbersExp) || [];
if (type === "polygon") {
points.push(points[0], points[1]);
}
length = 0;
for (i = 2; i < points.length; i+=2) {
length += getDistance(points[i-2], points[i-1], points[i], points[i+1], scaleX, scaleY) || 0;
}
} else if (type === "circle" || type === "ellipse") {
rx = (bbox.width / 2) * scaleX;
ry = (bbox.height / 2) * scaleY;
length = Math.PI * ( 3 * (rx + ry) - Math.sqrt((3 * rx + ry) * (rx + 3 * ry)) );
}
return length || 0;
}
function getPosition(element, length) {
if (!element) {
return [0, 0];
}
element = unwrap(element);
length = length || (getLength(element) + 1);
var cs = _getComputedStyle(element),
dash = cs.strokeDasharray || "",
offset = parseFloat(cs.strokeDashoffset),
i = dash.indexOf(",");
if (i < 0) {
i = dash.indexOf(" ");
}
dash = (i < 0) ? length : parseFloat(dash.substr(0, i)) || 0.00001;
if (dash > length) {
dash = length;
}
return [Math.max(0, -offset), Math.max(0, dash - offset)];
}
DrawSVGPlugin = _gsScope._gsDefine.plugin({
propName: "drawSVG",
API: 2,
version: "0.1.4",
global: true,
overwriteProps: ["drawSVG"],
init: function(target, value, tween, index) {
if (!target.getBBox) {
return false;
}
var length = getLength(target) + 1,
start, end, overage, cs;
this._style = target.style;
if (typeof(value) === "function") {
value = value(index, target);
}
if (value === true || value === "true") {
value = "0 100%";
} else if (!value) {
value = "0 0";
} else if ((value + "").indexOf(" ") === -1) {
value = "0 " + value;
}
start = getPosition(target, length);
end = parse(value, length, start[0]);
this._length = length + 10;
if (start[0] === 0 && end[0] === 0) {
overage = Math.max(0.00001, end[1] - length); //allow people to go past the end, like values of 105% because for some paths, Firefox doesn't return an accurate getTotalLength(), so it could end up coming up short.
this._dash = length + overage;
this._offset = length - start[1] + overage;
this._addTween(this, "_offset", this._offset, length - end[1] + overage, "drawSVG");
} else {
this._dash = (start[1] - start[0]) || 0.000001; //some browsers render artifacts if dash is 0, so we use a very small number in that case.
this._offset = -start[0];
this._addTween(this, "_dash", this._dash, (end[1] - end[0]) || 0.00001, "drawSVG");
this._addTween(this, "_offset", this._offset, -end[0], "drawSVG");
}
if (_isEdge) { //to work around a bug in Microsoft Edge, animate the stroke-miterlimit by 0.0001 just to trigger the repaint (only necessary if stroke-linecap isn't "butt"; also unnecessary if it's "round" and stroke-linejoin is also "round"). Imperceptible, relatively high-performance, and effective. Another option was to set the "d" <path> attribute to its current value on every tick, but that seems like it'd be much less performant.
cs = _getComputedStyle(target);
end = cs.strokeLinecap;
if (end !== "butt" && end !== cs.strokeLinejoin) {
end = parseFloat(cs.strokeMiterlimit);
this._addTween(target.style, "strokeMiterlimit", end, end + 0.0001, "strokeMiterlimit");
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
if (this._firstPT) {
this._super.setRatio.call(this, ratio);
this._style.strokeDashoffset = this._offset;
if (ratio === 1 || ratio === 0) {
this._style.strokeDasharray = (this._offset < 0.001 && this._length - this._dash <= 10) ? "none" : (this._offset === this._dash) ? "0px, 999999px" : this._dash + "px," + this._length + "px";
} else {
this._style.strokeDasharray = this._dash + "px," + this._length + "px";
}
}
}
});
DrawSVGPlugin.getLength = getLength;
DrawSVGPlugin.getPosition = getPosition;
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("DrawSVGPlugin"));
/*!
* VERSION: 1.6.0
* DATE: 2017-01-17
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var RoundPropsPlugin = _gsScope._gsDefine.plugin({
propName: "roundProps",
version: "1.6.0",
priority: -1,
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween) {
this._tween = tween;
return true;
}
}),
_roundLinkedList = function(node) {
while (node) {
if (!node.f && !node.blob) {
node.m = Math.round;
}
node = node._next;
}
},
p = RoundPropsPlugin.prototype;
p._onInitAllProps = function() {
var tween = this._tween,
rp = (tween.vars.roundProps.join) ? tween.vars.roundProps : tween.vars.roundProps.split(","),
i = rp.length,
lookup = {},
rpt = tween._propLookup.roundProps,
prop, pt, next;
while (--i > -1) {
lookup[rp[i]] = Math.round;
}
i = rp.length;
while (--i > -1) {
prop = rp[i];
pt = tween._firstPT;
while (pt) {
next = pt._next; //record here, because it may get removed
if (pt.pg) {
pt.t._mod(lookup);
} else if (pt.n === prop) {
if (pt.f === 2 && pt.t) { //a blob (text containing multiple numeric values)
_roundLinkedList(pt.t._firstPT);
} else {
this._add(pt.t, prop, pt.s, pt.c);
//remove from linked list
if (next) {
next._prev = pt._prev;
}
if (pt._prev) {
pt._prev._next = next;
} else if (tween._firstPT === pt) {
tween._firstPT = next;
}
pt._next = pt._prev = null;
tween._propLookup[prop] = rpt;
}
}
pt = next;
}
}
return false;
};
p._add = function(target, p, s, c) {
this._addTween(target, p, s, s + c, p, Math.round);
this._overwriteProps.push(p);
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
/*!
* VERSION: 0.2.2
* DATE: 2017-01-17
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _NaNExp = /[^\d\-\.]/g,
_DEG2RAD = Math.PI / 180,
_numExp = /(\d|\.)+/g,
_colorLookup = {aqua:[0,255,255],
lime:[0,255,0],
silver:[192,192,192],
black:[0,0,0],
maroon:[128,0,0],
teal:[0,128,128],
blue:[0,0,255],
navy:[0,0,128],
white:[255,255,255],
fuchsia:[255,0,255],
olive:[128,128,0],
yellow:[255,255,0],
orange:[255,165,0],
gray:[128,128,128],
purple:[128,0,128],
green:[0,128,0],
red:[255,0,0],
pink:[255,192,203],
cyan:[0,255,255],
transparent:[255,255,255,0]},
//parses a color (like #9F0, #FF9900, or rgb(255,51,153)) into an array with 3 elements for red, green, and blue. Also handles rgba() values (splits into array of 4 elements of course)
_parseColor = function(color) {
if (typeof(color) === "number") {
return [color >> 16, (color >> 8) & 255, color & 255];
} else if (color === "" || color == null || color === "none" || typeof(color) !== "string") {
return _colorLookup.transparent;
} else if (_colorLookup[color]) {
return _colorLookup[color];
} else if (color.charAt(0) === "#") {
if (color.length === 4) { //for shorthand like #9F0
color = "#" + color.charAt(1) + color.charAt(1) + color.charAt(2) + color.charAt(2) + color.charAt(3) + color.charAt(3);
}
color = parseInt(color.substr(1), 16);
return [color >> 16, (color >> 8) & 255, color & 255];
}
return color.match(_numExp) || _colorLookup.transparent;
},
_transformMap = {scaleX:1, scaleY:1, tx:1, ty:1, rotation:1, shortRotation:1, skewX:1, skewY:1, scale:1},
//parses the transform values for an element, returning an object with x, y, scaleX, scaleY, rotation, skewX, and skewY properties. Note: by default (for performance reasons), all skewing is combined into skewX and rotation but skewY still has a place in the transform object so that we can record how much of the skew is attributed to skewX vs skewY. Remember, a skewY of 10 looks the same as a rotation of 10 and skewX of -10.
_getTransform = function(t, rec) {
var s = t.matrix,
min = 0.000001,
a = s.a,
b = s.b,
c = s.c,
d = s.d,
m = rec ? t._gsTransform || {skewY:0} : {skewY:0},
invX = (m.scaleX < 0); //in order to interpret things properly, we need to know if the user applied a negative scaleX previously so that we can adjust the rotation and skewX accordingly. Otherwise, if we always interpret a flipped matrix as affecting scaleY and the user only wants to tween the scaleX on multiple sequential tweens, it would keep the negative scaleY without that being the user's intent.
m.tx = s.e - (m.ox || 0); //ox is the offset x that we record in setRatio() whenever we apply a custom transform that might use a pivot point. Remember, s.e and s.f get affected by things like scale. For example, imagine an object whose top left corner is at 100,100 and then we scale it up to 300% using the center as the pivot point - that corner would now be very different even though to the user, they didn't intend to change/tween the x/y position per se. Therefore, we record whatever offsets we make so that we can compensate when reading the values back.
m.ty = s.f - (m.oy || 0); //oy is the offset y (see note above)
m.scaleX = Math.sqrt(a * a + b * b);
m.scaleY = Math.sqrt(d * d + c * c);
m.rotation = (a || b) ? Math.atan2(b, a) : m.rotation || 0; //note: if scaleX is 0, we cannot accurately measure rotation. Same for skewX with a scaleY of 0. Therefore, we default to the previously recorded value (or zero if that doesn't exist).
m.skewX = (c || d) ? Math.atan2(c, d) + m.rotation : m.skewX || 0;
if (Math.abs(m.skewX) > Math.PI / 2) {
if (invX) {
m.scaleX *= -1;
m.skewX += (m.rotation <= 0) ? Math.PI : -Math.PI;
m.rotation += (m.rotation <= 0) ? Math.PI : -Math.PI;
} else {
m.scaleY *= -1;
m.skewX += (m.skewX <= 0) ? Math.PI : -Math.PI;
}
}
//some browsers have a hard time with very small values like 2.4492935982947064e-16 (notice the "e-" towards the end) and would render the object slightly off. So we round to 0 in these cases. The conditional logic here is faster than calling Math.abs().
if (m.rotation < min) if (m.rotation > -min) if (a || b) {
m.rotation = 0;
}
if (m.skewX < min) if (m.skewX > -min) if (b || c) {
m.skewX = 0;
}
if (rec) {
t._gsTransform = m; //record to the object's _gsTransform which we use so that tweens can control individual properties independently (we need all the properties to accurately recompose the matrix in the setRatio() method)
}
return m;
},
//takes a value and a default number, checks if the value is relative, null, or numeric and spits back a normalized number accordingly. Primarily used in the _parseTransform() function.
_parseVal = function(v, d) {
return (v == null) ? d : (typeof(v) === "string" && v.indexOf("=") === 1) ? parseInt(v.charAt(0)+"1", 10) * Number(v.substr(2)) + d : Number(v);
},
//translates strings like "40deg" or "40" or 40rad" or "+=40deg" to a numeric radian angle, optionally relative to a default value (if "+=" or "-=" prefix is found)
_parseAngle = function(v, d) {
var m = (v.indexOf("rad") === -1) ? _DEG2RAD : 1,
r = (v.indexOf("=") === 1);
v = Number(v.replace(_NaNExp, "")) * m;
return r ? v + d : v;
},
RaphaelPlugin = _gsScope._gsDefine.plugin({
propName: "raphael",
version: "0.2.2",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween) {
if (!target.attr) { //raphael must have attr() method
return false;
}
this._target = target;
this._tween = tween;
this._props = target._gsProps = target._gsProps || {};
var p, s, v, pt, clr1, clr2, rel;
for (p in value) {
v = value[p];
if (p === "transform") {
this._parseTransform(target, v);
continue;
} else if (_transformMap[p] || p === "pivot") {
this._parseTransform(target, value);
continue;
}
s = target.attr(p);
//Some of these properties are in place in order to conform with the standard PropTweens in TweenPlugins so that overwriting and roundProps occur properly. For example, f and r may seem unnecessary here, but they enable other functionality.
//_next:* next linked list node [object]
//t: * target [object]
//p: * property (camelCase) [string]
//s: * starting value [number]
//c: * change value [number]
//f: * is function [boolean]
//n: * name (for overwriting) [string]
//b: beginning value [string]
//i: intermediate value [string]
//e: ending value [string]
//r: * round [boolean]
//type: 0=normal, 1=color, 2=rgba, -1=non-tweening prop [number]
this._firstPT = pt = {_next:this._firstPT,
t:this._props,
p:p,
b:s,
f:false,
n:"raphael_" + p,
r:false,
type:0};
//color values must be split apart into their R, G, B (and sometimes alpha) values and tweened independently.
if (p === "fill" || p === "stroke") {
clr1 = _parseColor(s);
clr2 = _parseColor(v);
pt.e = v;
pt.s = Number(clr1[0]); //red starting value
pt.c = Number(clr2[0]) - pt.s; //red change
pt.gs = Number(clr1[1]); //green starting value
pt.gc = Number(clr2[1]) - pt.gs; //green change
pt.bs = Number(clr1[2]); //blue starting value
pt.bc = Number(clr2[2]) - pt.bs; //blue change
if (clr1.length > 3 || clr2.length > 3) { //detect an rgba() value
pt.as = (clr1.length < 4) ? 1 : Number(clr1[3]);
pt.ac = ((clr2.length < 4) ? 1 : Number(clr2[3])) - pt.as;
pt.type = 2; //2 = rgba() tween
} else {
pt.type = 1; //1 = color tween, -1 = no tween, just set the value at the end because there's no changes
}
} else {
s = (typeof(s) === "string") ? parseFloat(s.replace(_NaNExp, "")) : Number(s);
if (typeof(v) === "string") {
rel = (v.charAt(1) === "=");
v = parseFloat(v.replace(_NaNExp, ""));
} else {
rel = false;
}
pt.e = (v || v === 0) ? (rel ? v + s : v) : value[p]; //ensures that any += or -= prefixes are taken care of.
if ((s || s === 0) && (v || v === 0) && (pt.c = (rel ? v : v - s))) { //faster than isNaN(). Also, we set pt.c (change) here because if it's 0, we'll just treat it like a non-tweening value. can't do (v !== start) because if it's a relative value and the CHANGE is identical to the START, the condition will fail unnecessarily.
pt.s = s;
} else {
pt.type = -1;
pt.i = value[p]; //intermediate value is typically the same as the end value.
pt.s = pt.c = 0;
}
}
this._overwriteProps.push("raphael_" + p);
if (pt._next) {
pt._next._prev = pt;
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(v) {
var pt = this._firstPT, val;
while (pt) {
val = pt.c * v + pt.s;
if (pt.r) {
val = Math.round(val);
}
if (!pt.type) {
pt.t[pt.p] = val;
} else if (pt.type === 1) { //rgb()
pt.t[pt.p] = "rgb(" + (val >> 0) + ", " + ((pt.gs + (v * pt.gc)) >> 0) + ", " + ((pt.bs + (v * pt.bc)) >> 0) + ")";
} else if (pt.type === 2) { //rgba()
pt.t[pt.p] = "rgba(" + (val >> 0) + ", " + ((pt.gs + (v * pt.gc)) >> 0) + ", " + ((pt.bs + (v * pt.bc)) >> 0) + ", " + (pt.as + (v * pt.ac)) + ")";
} else if (pt.type === -1) { //non-tweening
pt.t[pt.p] = pt.i;
}
pt = pt._next;
}
this._target.attr(this._props);
//apply transform values like x, y, scaleX, scaleY, rotation, skewX, or skewY. We do these after looping through all the PropTweens because those are where the changes are made to scaleX/scaleY/rotation/skewX/skewY/x/y.
if (this._transform) {
pt = this._transform; //to improve speed and reduce size, reuse the pt variable as an alias to the _transform property
var ang = pt.rotation,
skew = ang - pt.skewX,
a = Math.cos(ang) * pt.scaleX,
b = Math.sin(ang) * pt.scaleX,
c = Math.sin(skew) * -pt.scaleY,
d = Math.cos(skew) * pt.scaleY,
min = 0.000001,
pxl = this._pxl,
pyl = this._pyl;
//some browsers have a hard time with very small values like 2.4492935982947064e-16 (notice the "e-" towards the end) and would render the object slightly off. So we round to 0 in these cases for both b and c. The conditional logic here is faster than calling Math.abs().
if (b < min) if (b > -min) {
b = 0;
}
if (c < min) if (c > -min) {
c = 0;
}
pt.ox = this._pxg - (pxl * a + pyl * c); //we must record the offset x/y that we're making from the regular tx/ty (matrix.e and f) so that we can correctly interpret positional data in _getTransform(). See note there on tx and ox.
pt.oy = this._pyg - (pxl * b + pyl * d);
this._target.transform("m" + a + "," + b + "," + c + "," + d + "," + (pt.tx + pt.ox) + "," + (pt.ty + pt.oy));
}
}
}),
p = RaphaelPlugin.prototype;
//compares the beginning x, y, scaleX, scaleY, rotation, and skewX properties with the ending ones and adds PropTweens accordingly wherever necessary. We must tween them individually (rather than just tweening the matrix values) so that elgant overwriting can occur, like if one tween is controlling scaleX, scaleY, and rotation and then another one starts mid-tween that is trying to control the scaleX only - this tween should continue tweening scaleY and rotation.
p._parseTransform = function(t, v) {
if (this._transform) { return; } //only need to parse the transform once, and only if the browser supports it.
var m1 = this._transform = _getTransform(t, true),
min = 0.000001,
m2, skewY, p, pt, copy, dx, dy, mtx, pivot;
if (typeof(v) === "object") { //for values like scaleX, scaleY, rotation, x, y, skewX, and skewY or transform:{...} (object)
m2 = {scaleX:_parseVal((v.scaleX != null) ? v.scaleX : v.scale, m1.scaleX),
scaleY:_parseVal((v.scaleY != null) ? v.scaleY : v.scale, m1.scaleY),
tx:_parseVal(v.tx, m1.tx),
ty:_parseVal(v.ty, m1.ty)};
if (v.shortRotation != null) {
m2.rotation = (typeof(v.shortRotation) === "number") ? v.shortRotation * _DEG2RAD : _parseAngle(v.shortRotation, m1.rotation);
var dif = (m2.rotation - m1.rotation) % (Math.PI * 2);
if (dif !== dif % Math.PI) {
dif += Math.PI * ((dif < 0) ? 2 : -2);
}
m2.rotation = m1.rotation + dif;
} else {
m2.rotation = (v.rotation == null) ? m1.rotation : (typeof(v.rotation) === "number") ? v.rotation * _DEG2RAD : _parseAngle(v.rotation, m1.rotation);
}
m2.skewX = (v.skewX == null) ? m1.skewX : (typeof(v.skewX) === "number") ? v.skewX * _DEG2RAD : _parseAngle(v.skewX, m1.skewX);
//note: for performance reasons, we combine all skewing into the skewX and rotation values, ignoring skewY but we must still record it so that we can discern how much of the overall skew is attributed to skewX vs. skewY. Otherwise, if the skewY would always act relative (tween skewY to 10deg, for example, multiple times and if we always combine things into skewX, we can't remember that skewY was 10 from last time). Remember, a skewY of 10 degrees looks the same as a rotation of 10 degrees plus a skewX of -10 degrees.
m2.skewY = (v.skewY == null) ? m1.skewY : (typeof(v.skewY) === "number") ? v.skewY * _DEG2RAD : _parseAngle(v.skewY, m1.skewY);
if ((skewY = m2.skewY - m1.skewY)) {
m2.skewX += skewY;
m2.rotation += skewY;
}
//don't allow rotation/skew values to be a SUPER small decimal because when they're translated back to strings for setting the css property, the browser reports them in a funky way, like 1-e7. Of course we could use toFixed() to resolve that issue but that hurts performance quite a bit with all those function calls on every frame, plus it is virtually impossible to discern values that small visually (nobody will notice changing a rotation of 0.0000001 to 0, so the performance improvement is well worth it).
if (m2.skewY < min) if (m2.skewY > -min) {
m2.skewY = 0;
}
if (m2.skewX < min) if (m2.skewX > -min) {
m2.skewX = 0;
}
if (m2.rotation < min) if (m2.rotation > -min) {
m2.rotation = 0;
}
pivot = v.localPivot || v.globalPivot;
if (typeof(pivot) === "string") {
copy = pivot.split(",");
dx = Number(copy[0]);
dy = Number(copy[1]);
} else if (typeof(pivot) === "object") {
dx = Number(pivot.x);
dy = Number(pivot.y);
} else if (v.localPivot) {
copy = t.getBBox(true);
dx = copy.width / 2;
dy = copy.height / 2;
} else {
copy = t.getBBox();
dx = copy.x + copy.width / 2;
dy = copy.y + copy.height / 2;
}
if (v.localPivot) {
mtx = t.matrix;
dx += t.attr("x");
dy += t.attr("y");
this._pxl = dx;
this._pyl = dy;
this._pxg = dx * mtx.a + dy * mtx.c + mtx.e - m1.tx;
this._pyg = dx * mtx.b + dy * mtx.d + mtx.f - m1.ty;
} else {
mtx = t.matrix.invert();
this._pxl = dx * mtx.a + dy * mtx.c + mtx.e;
this._pyl = dx * mtx.b + dy * mtx.d + mtx.f;
this._pxg = dx - m1.tx;
this._pyg = dy - m1.ty;
}
} else if (typeof(v) === "string") { //for values like transform:"rotate(60deg) scale(0.5, 0.8)"
copy = this._target.transform();
t.transform(v);
m2 = _getTransform(t, false);
t.transform(copy);
} else {
return;
}
for (p in _transformMap) {
if (m1[p] !== m2[p]) if (p !== "shortRotation") if (p !== "scale") {
this._firstPT = pt = {_next:this._firstPT, t:m1, p:p, s:m1[p], c:m2[p] - m1[p], n:p, f:false, r:false, b:m1[p], e:m2[p], type:0};
if (pt._next) {
pt._next._prev = pt;
}
this._overwriteProps.push("raphael_" + p);
}
}
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
/*!
* VERSION: 0.2.2
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
**/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _numExp = /(\d|\.)+/g,
_ColorFilter, _ColorMatrixFilter,
_colorProps = ["redMultiplier","greenMultiplier","blueMultiplier","alphaMultiplier","redOffset","greenOffset","blueOffset","alphaOffset"],
_colorLookup = {aqua:[0,255,255],
lime:[0,255,0],
silver:[192,192,192],
black:[0,0,0],
maroon:[128,0,0],
teal:[0,128,128],
blue:[0,0,255],
navy:[0,0,128],
white:[255,255,255],
fuchsia:[255,0,255],
olive:[128,128,0],
yellow:[255,255,0],
orange:[255,165,0],
gray:[128,128,128],
purple:[128,0,128],
green:[0,128,0],
red:[255,0,0],
pink:[255,192,203],
cyan:[0,255,255],
transparent:[255,255,255,0]},
_parseColor = function(color) {
if (color === "" || color == null || color === "none") {
return _colorLookup.transparent;
} else if (_colorLookup[color]) {
return _colorLookup[color];
} else if (typeof(color) === "number") {
return [color >> 16, (color >> 8) & 255, color & 255];
} else if (color.charAt(0) === "#") {
if (color.length === 4) { //for shorthand like #9F0
color = "#" + color.charAt(1) + color.charAt(1) + color.charAt(2) + color.charAt(2) + color.charAt(3) + color.charAt(3);
}
color = parseInt(color.substr(1), 16);
return [color >> 16, (color >> 8) & 255, color & 255];
}
return color.match(_numExp) || _colorLookup.transparent;
},
_parseColorFilter = function(t, v, pg) {
if (!_ColorFilter) {
_ColorFilter = (_gsScope.ColorFilter || _gsScope.createjs.ColorFilter);
if (!_ColorFilter) {
throw("EaselPlugin error: The EaselJS ColorFilter JavaScript file wasn't loaded.");
}
}
var filters = t.filters || [],
i = filters.length,
c, s, e, a, p;
while (--i > -1) {
if (filters[i] instanceof _ColorFilter) {
s = filters[i];
break;
}
}
if (!s) {
s = new _ColorFilter();
filters.push(s);
t.filters = filters;
}
e = s.clone();
if (v.tint != null) {
c = _parseColor(v.tint);
a = (v.tintAmount != null) ? Number(v.tintAmount) : 1;
e.redOffset = Number(c[0]) * a;
e.greenOffset = Number(c[1]) * a;
e.blueOffset = Number(c[2]) * a;
e.redMultiplier = e.greenMultiplier = e.blueMultiplier = 1 - a;
} else {
for (p in v) {
if (p !== "exposure") if (p !== "brightness") {
e[p] = Number(v[p]);
}
}
}
if (v.exposure != null) {
e.redOffset = e.greenOffset = e.blueOffset = 255 * (Number(v.exposure) - 1);
e.redMultiplier = e.greenMultiplier = e.blueMultiplier = 1;
} else if (v.brightness != null) {
a = Number(v.brightness) - 1;
e.redOffset = e.greenOffset = e.blueOffset = (a > 0) ? a * 255 : 0;
e.redMultiplier = e.greenMultiplier = e.blueMultiplier = 1 - Math.abs(a);
}
i = 8;
while (--i > -1) {
p = _colorProps[i];
if (s[p] !== e[p]) {
pg._addTween(s, p, s[p], e[p], "easel_colorFilter");
}
}
pg._overwriteProps.push("easel_colorFilter");
if (!t.cacheID) {
throw("EaselPlugin warning: for filters to display in EaselJS, you must call the object's cache() method first. " + t);
}
},
_idMatrix = [1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],
_lumR = 0.212671,
_lumG = 0.715160,
_lumB = 0.072169,
_applyMatrix = function(m, m2) {
if (!(m instanceof Array) || !(m2 instanceof Array)) {
return m2;
}
var temp = [],
i = 0,
z = 0,
y, x;
for (y = 0; y < 4; y++) {
for (x = 0; x < 5; x++) {
z = (x === 4) ? m[i + 4] : 0;
temp[i + x] = m[i] * m2[x] + m[i+1] * m2[x + 5] + m[i+2] * m2[x + 10] + m[i+3] * m2[x + 15] + z;
}
i += 5;
}
return temp;
},
_setSaturation = function(m, n) {
if (isNaN(n)) {
return m;
}
var inv = 1 - n,
r = inv * _lumR,
g = inv * _lumG,
b = inv * _lumB;
return _applyMatrix([r + n, g, b, 0, 0, r, g + n, b, 0, 0, r, g, b + n, 0, 0, 0, 0, 0, 1, 0], m);
},
_colorize = function(m, color, amount) {
if (isNaN(amount)) {
amount = 1;
}
var c = _parseColor(color),
r = c[0] / 255,
g = c[1] / 255,
b = c[2] / 255,
inv = 1 - amount;
return _applyMatrix([inv + amount * r * _lumR, amount * r * _lumG, amount * r * _lumB, 0, 0, amount * g * _lumR, inv + amount * g * _lumG, amount * g * _lumB, 0, 0, amount * b * _lumR, amount * b * _lumG, inv + amount * b * _lumB, 0, 0, 0, 0, 0, 1, 0], m);
},
_setHue = function(m, n) {
if (isNaN(n)) {
return m;
}
n *= Math.PI / 180;
var c = Math.cos(n),
s = Math.sin(n);
return _applyMatrix([(_lumR + (c * (1 - _lumR))) + (s * (-_lumR)), (_lumG + (c * (-_lumG))) + (s * (-_lumG)), (_lumB + (c * (-_lumB))) + (s * (1 - _lumB)), 0, 0, (_lumR + (c * (-_lumR))) + (s * 0.143), (_lumG + (c * (1 - _lumG))) + (s * 0.14), (_lumB + (c * (-_lumB))) + (s * -0.283), 0, 0, (_lumR + (c * (-_lumR))) + (s * (-(1 - _lumR))), (_lumG + (c * (-_lumG))) + (s * _lumG), (_lumB + (c * (1 - _lumB))) + (s * _lumB), 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1], m);
},
_setContrast = function(m, n) {
if (isNaN(n)) {
return m;
}
n += 0.01;
return _applyMatrix([n,0,0,0,128 * (1 - n), 0,n,0,0,128 * (1 - n), 0,0,n,0,128 * (1 - n), 0,0,0,1,0], m);
},
_parseColorMatrixFilter = function(t, v, pg) {
if (!_ColorMatrixFilter) {
_ColorMatrixFilter = (_gsScope.ColorMatrixFilter || _gsScope.createjs.ColorMatrixFilter);
if (!_ColorMatrixFilter) {
throw("EaselPlugin error: The EaselJS ColorMatrixFilter JavaScript file wasn't loaded.");
}
}
var filters = t.filters || [],
i = filters.length,
matrix, startMatrix, s;
while (--i > -1) {
if (filters[i] instanceof _ColorMatrixFilter) {
s = filters[i];
break;
}
}
if (!s) {
s = new _ColorMatrixFilter(_idMatrix.slice());
filters.push(s);
t.filters = filters;
}
startMatrix = s.matrix;
matrix = _idMatrix.slice();
if (v.colorize != null) {
matrix = _colorize(matrix, v.colorize, Number(v.colorizeAmount));
}
if (v.contrast != null) {
matrix = _setContrast(matrix, Number(v.contrast));
}
if (v.hue != null) {
matrix = _setHue(matrix, Number(v.hue));
}
if (v.saturation != null) {
matrix = _setSaturation(matrix, Number(v.saturation));
}
i = matrix.length;
while (--i > -1) {
if (matrix[i] !== startMatrix[i]) {
pg._addTween(startMatrix, i, startMatrix[i], matrix[i], "easel_colorMatrixFilter");
}
}
pg._overwriteProps.push("easel_colorMatrixFilter");
if (!t.cacheID) {
throw("EaselPlugin warning: for filters to display in EaselJS, you must call the object's cache() method first. " + t);
}
pg._matrix = startMatrix;
};
_gsScope._gsDefine.plugin({
propName: "easel",
priority: -1,
version: "0.2.2",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
this._target = target;
var p, pt, tint, colorMatrix, end, labels, i;
for (p in value) {
end = value[p];
if (typeof(end) === "function") {
end = end(index, target);
}
if (p === "colorFilter" || p === "tint" || p === "tintAmount" || p === "exposure" || p === "brightness") {
if (!tint) {
_parseColorFilter(target, value.colorFilter || value, this);
tint = true;
}
} else if (p === "saturation" || p === "contrast" || p === "hue" || p === "colorize" || p === "colorizeAmount") {
if (!colorMatrix) {
_parseColorMatrixFilter(target, value.colorMatrixFilter || value, this);
colorMatrix = true;
}
} else if (p === "frame") {
this._firstPT = pt = {_next:this._firstPT, t:target, p:"gotoAndStop", s:target.currentFrame, f:true, n:"frame", pr:0, type:0, m:Math.round};
if (typeof(end) === "string" && end.charAt(1) !== "=" && (labels = target.labels)) {
for (i = 0; i < labels.length; i++) {
if (labels[i].label === end) {
end = labels[i].position;
}
}
}
pt.c = (typeof(end) === "number") ? end - pt.s : parseFloat((end+"").split("=").join(""));
if (pt._next) {
pt._next._prev = pt;
}
} else if (target[p] != null) {
this._firstPT = pt = {_next:this._firstPT, t:target, p:p, f:(typeof(target[p]) === "function"), n:p, pr:0, type:0};
pt.s = (!pt.f) ? parseFloat(target[p]) : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]();
pt.c = (typeof(end) === "number") ? end - pt.s : (typeof(end) === "string") ? parseFloat(end.split("=").join("")) : 0;
if (pt._next) {
pt._next._prev = pt;
}
}
}
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(v) {
var pt = this._firstPT,
min = 0.000001,
val;
while (pt) {
val = pt.c * v + pt.s;
if (pt.m) {
val = pt.m(val, pt.t);
} else if (val < min && val > -min) {
val = 0;
}
if (pt.f) {
pt.t[pt.p](val);
} else {
pt.t[pt.p] = val;
}
pt = pt._next;
}
if (this._target.cacheID) {
this._target.updateCache();
}
}
});
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("EaselPlugin"));
/*!
* VERSION: 0.0.3
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _cssRatioSetter = function(pt, cssp, mod) { //Takes an individual CSSPropTween and converts it into a type:2 that has a setRatio that does everything the regular CSSPlugin.setRatio() method does but applying the mod() too. We do this to keep the main CSSPlugin.setRatio() as fast as possible (the vast majority of times, no mod() will be necessary)
var type = pt.type,
oldSetRatio = pt.setRatio,
tween = cssp._tween,
target = cssp._target;
pt.type = 2;
pt.m = mod;
pt.setRatio = function(v) {
var min = 0.000001,
val, str, i;
if (v === 1 && (tween._time === tween._duration || tween._time === 0)) {
if (type !== 2) {
if (pt.r && type !== -1) {
val = Math.round(pt.s + pt.c);
if (!type) {
pt.t[pt.p] = mod(val + pt.xs0, target);
} else if (type === 1) {
str = pt.xs0 + val + pt.xs1;
for (i = 1; i < pt.l; i++) {
str += pt["xn"+i] + pt["xs"+(i+1)];
}
pt.t[pt.p] = mod(str, target);
}
} else {
pt.t[pt.p] = mod(pt.e, target);
}
} else {
oldSetRatio.call(pt, v);
}
} else if (v || !(tween._time === tween._duration || tween._time === 0) || tween._rawPrevTime === -0.000001) {
val = pt.c * v + pt.s;
if (pt.r) {
val = Math.round(val);
} else if (val < min) if (val > -min) {
val = 0;
}
if (!type) {
pt.t[pt.p] = mod(val + pt.xs0, target);
} else if (type === 1) {
str = pt.xs0 + val + pt.xs1;
for (i = 1; i < pt.l; i++) {
str += pt["xn"+i] + pt["xs"+(i+1)];
}
pt.t[pt.p] = mod(str, target);
} else if (type === -1) { //non-tweening value
pt.t[pt.p] = mod(pt.xs0, target);
} else if (oldSetRatio) {
oldSetRatio.call(pt, v);
}
} else {
if (type !== 2) {
pt.t[pt.p] = mod(pt.b, target);
} else {
oldSetRatio.call(pt, v);
}
}
};
},
_modCSS = function(lookup, cssp) {
var pt = cssp._firstPT,
hasBezier = (lookup.rotation && cssp._overwriteProps.join("").indexOf("bezier") !== -1); //when a Bezier tween is applying autoRotation, it's a very special case we need to handle differently.
while (pt) {
if (typeof(lookup[pt.p]) === "function") {
_cssRatioSetter(pt, cssp, lookup[pt.p]);
} else if (hasBezier && pt.n === "bezier" && pt.plugin._overwriteProps.join("").indexOf("rotation") !== -1) {
pt.data.mod = lookup.rotation;
}
pt = pt._next;
}
},
ModifiersPlugin = _gsScope._gsDefine.plugin({
propName: "modifiers",
version: "0.0.3",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween) {
this._tween = tween;
this._vars = value;
return true;
},
initAll: function() {
var tween = this._tween,
lookup = this._vars,
mpt = this,
pt = tween._firstPT,
val, next;
while (pt) {
next = pt._next; //record here, because it may get removed
val = lookup[pt.n];
if (pt.pg) {
if (pt.t._propName === "css") { //handle CSSPlugin uniquely (for performance, due to the fact that the values almost always are a concatenation of numbers and strings, like suffixes, and we don't want to slow down the regular CSSPlugin setRatio() performance with conditional checks for if the value needs to be modded, so we pull any modding prop out and change it to a type:2 one that simply calls a setRatio() method where we encapsulate the modding and update all together. That way, it says in the main CSSProp linked list and just has some custom logic applied to it inside its setRatio())
_modCSS(lookup, pt.t);
} else if (pt.t !== mpt) { //don't run modProps on modProps :)
val = lookup[pt.t._propName];
pt.t._mod((typeof(val) === "object") ? val : lookup);
}
} else if (typeof(val) === "function") {
if (pt.f === 2 && pt.t) { //a blob (text containing multiple numeric values)
pt.t._applyPT.m = val;
} else {
this._add(pt.t, pt.p, pt.s, pt.c, val);
//remove from linked list
if (next) {
next._prev = pt._prev;
}
if (pt._prev) {
pt._prev._next = next;
} else if (tween._firstPT === pt) {
tween._firstPT = next;
}
pt._next = pt._prev = null;
tween._propLookup[pt.n] = mpt;
}
}
pt = next;
}
return false;
}
}),
p = ModifiersPlugin.prototype;
p._add = function(target, p, s, c, mod) {
this._addTween(target, p, s, s + c, p, mod);
this._overwriteProps.push(p);
};
p = _gsScope._gsDefine.globals.TweenLite.version.split(".");
if (Number(p[0]) <= 1 && Number(p[1]) < 19 && _gsScope.console) {
console.log("ModifiersPlugin requires GSAP 1.19.0 or later.");
}
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("ModifiersPlugin"));
/*!
* VERSION: 0.8.11
* DATE: 2017-04-29
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* MorphSVGPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _DEG2RAD = Math.PI / 180,
_RAD2DEG = 180 / Math.PI,
_svgPathExp = /[achlmqstvz]|(-?\d*\.?\d*(?:e[\-+]?\d+)?)[0-9]/ig,
_numbersExp = /(?:(-|-=|\+=)?\d*\.?\d*(?:e[\-+]?\d+)?)[0-9]/ig,
_selectorExp = /(^[#\.]|[a-y][a-z])/gi,
_commands = /[achlmqstvz]/ig,
_scientific = /[\+\-]?\d*\.?\d+e[\+\-]?\d+/ig,
//_attrExp = /(\S+)=["']?((?:.(?!["']?\s+(?:\S+)=|[>"']))+.)["']?/gi, //finds all the attribute name/value pairs in an HTML element
//_outerTagExp = /^<([A-Za-z0-9_\-]+)((?:\s+[A-Za-z0-9_\-]+(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/i, //takes the outerHTML and pulls out [0] - the first tag, [1] - the tag name, and [2] - the attribute name/value pairs (space-delimited)
//_wrappingQuotesExp = /^["']|["']$/g,
TweenLite = _gsScope._gsDefine.globals.TweenLite,
//_nonNumbersExp = /(?:([\-+](?!(\d|=)))|[^\d\-+=e]|(e(?![\-+][\d])))+/ig,
_log = function(message) {
if (_gsScope.console) {
console.log(message);
}
},
// translates an arc into a normalized array of cubic beziers excluding the starting x/y. The circle the arc follows will be centered at 0,0 and have a radius of 1 (hence normalized). Each bezier covers no more than 90 degrees; the arc will be divided evenly into a maximum of four curves.
_normalizedArcToBeziers = function(angleStart, angleExtent) {
var segments = Math.ceil(Math.abs(angleExtent) / 90),
l = 0,
a = [],
angleIncrement, controlLength, angle, dx, dy, i;
angleStart *= _DEG2RAD;
angleExtent *= _DEG2RAD;
angleIncrement = angleExtent / segments;
controlLength = 4 / 3 * Math.sin(angleIncrement / 2) / (1 + Math.cos(angleIncrement / 2));
for (i = 0; i < segments; i++) {
angle = angleStart + i * angleIncrement;
dx = Math.cos(angle);
dy = Math.sin(angle);
a[l++] = dx - controlLength * dy;
a[l++] = dy + controlLength * dx;
angle += angleIncrement;
dx = Math.cos(angle);
dy = Math.sin(angle);
a[l++] = dx + controlLength * dy;
a[l++] = dy - controlLength * dx;
a[l++] = dx;
a[l++] = dy;
}
return a;
},
// translates SVG arc data into an array of cubic beziers
_arcToBeziers = function(lastX, lastY, rx, ry, angle, largeArcFlag, sweepFlag, x, y) {
if (lastX === x && lastY === y) {
return;
}
rx = Math.abs(rx);
ry = Math.abs(ry);
var angleRad = (angle % 360) * _DEG2RAD,
cosAngle = Math.cos(angleRad),
sinAngle = Math.sin(angleRad),
dx2 = (lastX - x) / 2,
dy2 = (lastY - y) / 2,
x1 = (cosAngle * dx2 + sinAngle * dy2),
y1 = (-sinAngle * dx2 + cosAngle * dy2),
rx_sq = rx * rx,
ry_sq = ry * ry,
x1_sq = x1 * x1,
y1_sq = y1 * y1,
radiiCheck = x1_sq / rx_sq + y1_sq / ry_sq;
if (radiiCheck > 1) {
rx = Math.sqrt(radiiCheck) * rx;
ry = Math.sqrt(radiiCheck) * ry;
rx_sq = rx * rx;
ry_sq = ry * ry;
}
var sign = (largeArcFlag === sweepFlag) ? -1 : 1,
sq = ((rx_sq * ry_sq) - (rx_sq * y1_sq) - (ry_sq * x1_sq)) / ((rx_sq * y1_sq) + (ry_sq * x1_sq));
if (sq < 0) {
sq = 0;
}
var coef = (sign * Math.sqrt(sq)),
cx1 = coef * ((rx * y1) / ry),
cy1 = coef * -((ry * x1) / rx),
sx2 = (lastX + x) / 2,
sy2 = (lastY + y) / 2,
cx = sx2 + (cosAngle * cx1 - sinAngle * cy1),
cy = sy2 + (sinAngle * cx1 + cosAngle * cy1),
ux = (x1 - cx1) / rx,
uy = (y1 - cy1) / ry,
vx = (-x1 - cx1) / rx,
vy = (-y1 - cy1) / ry,
n = Math.sqrt((ux * ux) + (uy * uy)),
p = ux;
sign = (uy < 0) ? -1 : 1;
var angleStart = (sign * Math.acos(p / n)) * _RAD2DEG;
n = Math.sqrt((ux * ux + uy * uy) * (vx * vx + vy * vy));
p = ux * vx + uy * vy;
sign = (ux * vy - uy * vx < 0) ? -1 : 1;
var angleExtent = (sign * Math.acos(p / n)) * _RAD2DEG;
if (!sweepFlag && angleExtent > 0) {
angleExtent -= 360;
} else if (sweepFlag && angleExtent < 0) {
angleExtent += 360;
}
angleExtent %= 360;
angleStart %= 360;
var bezierPoints = _normalizedArcToBeziers(angleStart, angleExtent),
a = cosAngle * rx,
b = sinAngle * rx,
c = sinAngle * -ry,
d = cosAngle * ry,
l = bezierPoints.length - 2,
i, px, py;
//translate all the bezier points according to the matrix...
for (i = 0; i < l; i += 2) {
px = bezierPoints[i];
py = bezierPoints[i+1];
bezierPoints[i] = px * a + py * c + cx;
bezierPoints[i+1] = px * b + py * d + cy;
}
bezierPoints[bezierPoints.length-2] = x; //always set the end to exactly where it's supposed to be
bezierPoints[bezierPoints.length-1] = y;
return bezierPoints;
},
//Spits back an array of cubic Bezier segments that use absolute coordinates. Each segment starts with a "moveTo" command (x coordinate, then y) and then 2 control points (x, y, x, y), then anchor. The goal is to minimize memory and maximize speed.
_pathDataToBezier = function(d) {
var a = (d + "").replace(_scientific, function(m) { var n = +m; return (n < 0.0001 && n > -0.0001) ? 0 : n; }).match(_svgPathExp) || [], //some authoring programs spit out very small numbers in scientific notation like "1e-5", so make sure we round that down to 0 first.
path = [],
relativeX = 0,
relativeY = 0,
elements = a.length,
l = 2,
points = 0,
i, j, x, y, command, isRelative, segment, startX, startY, difX, difY, beziers, prevCommand;
if (!d || !isNaN(a[0]) || isNaN(a[1])) {
_log("ERROR: malformed path data: " + d);
return path;
}
for (i = 0; i < elements; i++) {
prevCommand = command;
if (isNaN(a[i])) {
command = a[i].toUpperCase();
isRelative = (command !== a[i]); //lower case means relative
} else { //commands like "C" can be strung together without any new command characters between.
i--;
}
x = +a[i+1];
y = +a[i+2];
if (isRelative) {
x += relativeX;
y += relativeY;
}
if (i === 0) {
startX = x;
startY = y;
}
// "M" (move)
if (command === "M") {
if (segment && segment.length < 8) { //if the path data was funky and just had a M with no actual drawing anywhere, skip it.
path.length-=1;
l = 0;
}
relativeX = startX = x;
relativeY = startY = y;
segment = [x, y];
points += l;
l = 2;
path.push(segment);
i += 2;
command = "L"; //an "M" with more than 2 values gets interpreted as "lineTo" commands ("L").
// "C" (cubic bezier)
} else if (command === "C") {
if (!segment) {
segment = [0, 0];
}
segment[l++] = x;
segment[l++] = y;
if (!isRelative) {
relativeX = relativeY = 0;
}
segment[l++] = relativeX + a[i + 3] * 1; //note: "*1" is just a fast/short way to cast the value as a Number. WAAAY faster in Chrome, slightly slower in Firefox.
segment[l++] = relativeY + a[i + 4] * 1;
segment[l++] = relativeX = relativeX + a[i + 5] * 1;
segment[l++] = relativeY = relativeY + a[i + 6] * 1;
//if (y === segment[l-1] && y === segment[l-3] && x === segment[l-2] && x === segment[l-4]) { //if all the values are the same, eliminate the waste.
// segment.length = l = l-6;
//}
i += 6;
// "S" (continuation of cubic bezier)
} else if (command === "S") {
if (prevCommand === "C" || prevCommand === "S") {
difX = relativeX - segment[l - 4];
difY = relativeY - segment[l - 3];
segment[l++] = relativeX + difX;
segment[l++] = relativeY + difY;
} else {
segment[l++] = relativeX;
segment[l++] = relativeY;
}
segment[l++] = x;
segment[l++] = y;
if (!isRelative) {
relativeX = relativeY = 0;
}
segment[l++] = relativeX = relativeX + a[i + 3] * 1;
segment[l++] = relativeY = relativeY + a[i + 4] * 1;
//if (y === segment[l-1] && y === segment[l-3] && x === segment[l-2] && x === segment[l-4]) { //if all the values are the same, eliminate the waste.
// segment.length = l = l-6;
//}
i += 4;
// "Q" (quadratic bezier)
} else if (command === "Q") {
difX = x - relativeX;
difY = y - relativeY;
segment[l++] = relativeX + difX * 2 / 3;
segment[l++] = relativeY + difY * 2 / 3;
if (!isRelative) {
relativeX = relativeY = 0;
}
relativeX = relativeX + a[i + 3] * 1;
relativeY = relativeY + a[i + 4] * 1;
difX = x - relativeX;
difY = y - relativeY;
segment[l++] = relativeX + difX * 2 / 3;
segment[l++] = relativeY + difY * 2 / 3;
segment[l++] = relativeX;
segment[l++] = relativeY;
i += 4;
// "T" (continuation of quadratic bezier)
} else if (command === "T") {
difX = relativeX - segment[l-4];
difY = relativeY - segment[l-3];
segment[l++] = relativeX + difX;
segment[l++] = relativeY + difY;
difX = (relativeX + difX * 1.5) - x;
difY = (relativeY + difY * 1.5) - y;
segment[l++] = x + difX * 2 / 3;
segment[l++] = y + difY * 2 / 3;
segment[l++] = relativeX = x;
segment[l++] = relativeY = y;
i += 2;
// "H" (horizontal line)
} else if (command === "H") {
y = relativeY;
//if (x !== relativeX) {
segment[l++] = relativeX + (x - relativeX) / 3;
segment[l++] = relativeY + (y - relativeY) / 3;
segment[l++] = relativeX + (x - relativeX) * 2 / 3;
segment[l++] = relativeY + (y - relativeY) * 2 / 3;
segment[l++] = relativeX = x;
segment[l++] = y;
//}
i += 1;
// "V" (horizontal line)
} else if (command === "V") {
y = x; //adjust values because the first (and only one) isn't x in this case, it's y.
x = relativeX;
if (isRelative) {
y += relativeY - relativeX;
}
//if (y !== relativeY) {
segment[l++] = x;
segment[l++] = relativeY + (y - relativeY) / 3;
segment[l++] = x;
segment[l++] = relativeY + (y - relativeY) * 2 / 3;
segment[l++] = x;
segment[l++] = relativeY = y;
//}
i += 1;
// "L" (line) or "Z" (close)
} else if (command === "L" || command === "Z") {
if (command === "Z") {
x = startX;
y = startY;
segment.closed = true;
}
if (command === "L" || Math.abs(relativeX - x) > 0.5 || Math.abs(relativeY - y) > 0.5) {
segment[l++] = relativeX + (x - relativeX) / 3;
segment[l++] = relativeY + (y - relativeY) / 3;
segment[l++] = relativeX + (x - relativeX) * 2 / 3;
segment[l++] = relativeY + (y - relativeY) * 2 / 3;
segment[l++] = x;
segment[l++] = y;
if (command === "L") {
i += 2;
}
}
relativeX = x;
relativeY = y;
// "A" (arc)
} else if (command === "A") {
beziers = _arcToBeziers(relativeX, relativeY, a[i+1]*1, a[i+2]*1, a[i+3]*1, a[i+4]*1, a[i+5]*1, (isRelative ? relativeX : 0) + a[i+6]*1, (isRelative ? relativeY : 0) + a[i+7]*1);
if (beziers) {
for (j = 0; j < beziers.length; j++) {
segment[l++] = beziers[j];
}
}
relativeX = segment[l-2];
relativeY = segment[l-1];
i += 7;
} else {
_log("Error: malformed path data: " + d);
}
}
path.totalPoints = points + l;
return path;
},
//adds a certain number of Beziers while maintaining the path shape (so that the start/end values can have a matching quantity of points to animate). Only pass in ONE segment of the Bezier at a time. Format: [xAnchor, yAnchor, xControlPoint1, yControlPoint1, xControlPoint2, yControlPoint2, xAnchor, yAnchor, xControlPoint1, etc...]
_subdivideBezier = function(bezier, quantity) {
var tally = 0,
max = 0.999999,
l = bezier.length,
newPointsPerSegment = quantity / ((l - 2) / 6),
ax, ay, cp1x, cp1y, cp2x, cp2y, bx, by,
x1, y1, x2, y2, i, t;
for (i = 2; i < l; i += 6) {
tally += newPointsPerSegment;
while (tally > max) { //compare with 0.99999 instead of 1 in order to prevent rounding errors
ax = bezier[i-2];
ay = bezier[i-1];
cp1x = bezier[i];
cp1y = bezier[i+1];
cp2x = bezier[i+2];
cp2y = bezier[i+3];
bx = bezier[i+4];
by = bezier[i+5];
t = 1 / (Math.floor(tally) + 1); //progress along the bezier (value between 0 and 1)
x1 = ax + (cp1x - ax) * t;
x2 = cp1x + (cp2x - cp1x) * t;
x1 += (x2 - x1) * t;
x2 += ((cp2x + (bx - cp2x) * t) - x2) * t;
y1 = ay + (cp1y - ay) * t;
y2 = cp1y + (cp2y - cp1y) * t;
y1 += (y2 - y1) * t;
y2 += ((cp2y + (by - cp2y) * t) - y2) * t;
bezier.splice(i, 4,
ax + (cp1x - ax) * t, //first control point
ay + (cp1y - ay) * t,
x1, //second control point
y1,
x1 + (x2 - x1) * t, //new fabricated anchor on line
y1 + (y2 - y1) * t,
x2, //third control point
y2,
cp2x + (bx - cp2x) * t, //fourth control point
cp2y + (by - cp2y) * t
);
i += 6;
l += 6;
tally--;
}
}
return bezier;
},
_bezierToPathData = function(beziers) {
var data = "",
l = beziers.length,
rnd = 100,
sl, s, i, segment;
for (s = 0; s < l; s++) {
segment = beziers[s];
data += "M" + segment[0] + "," + segment[1] + " C";
sl = segment.length;
for (i = 2; i < sl; i++) {
data += (((segment[i++] * rnd) | 0) / rnd) + "," + (((segment[i++] * rnd) | 0) / rnd) + " " + (((segment[i++] * rnd) | 0) / rnd) + "," + (((segment[i++] * rnd) | 0) / rnd) + " " + (((segment[i++] * rnd) | 0) / rnd) + "," + (((segment[i] * rnd) | 0) / rnd) + " ";
}
if (segment.closed) {
data += "z";
}
}
return data;
},
_reverseBezier = function(bezier) {
var a = [],
i = bezier.length - 1,
l = 0;
while (--i > -1) {
a[l++] = bezier[i];
a[l++] = bezier[i+1];
i--;
}
for (i = 0; i < l; i++) {
bezier[i] = a[i];
}
bezier.reversed = bezier.reversed ? false : true;
},
_getAverageXY = function(bezier) {
var l = bezier.length,
x = 0,
y = 0,
i;
for (i = 0; i < l; i++) {
x += bezier[i++];
y += bezier[i];
}
return [x / (l / 2), y / (l / 2)];
},
_getSize = function(bezier) { //rough estimate of the bounding box (based solely on the anchors) of a single segment. sets "size", "centerX", and "centerY" properties on the bezier array itself, and returns the size (width * height)
var l = bezier.length,
xMax = bezier[0],
xMin = xMax,
yMax = bezier[1],
yMin = yMax,
x, y, i;
for (i = 6; i < l; i+=6) {
x = bezier[i];
y = bezier[i+1];
if (x > xMax) {
xMax = x;
} else if (x < xMin) {
xMin = x;
}
if (y > yMax) {
yMax = y;
} else if (y < yMin) {
yMin = y;
}
}
bezier.centerX = (xMax + xMin) / 2;
bezier.centerY = (yMax + yMin) / 2;
return (bezier.size = (xMax - xMin) * (yMax - yMin));
},
_getTotalSize = function(bezier) { //rough estimate of the bounding box of the entire list of Bezier segments (based solely on the anchors). sets "size", "centerX", and "centerY" properties on the bezier array itself, and returns the size (width * height)
var segment = bezier.length,
xMax = bezier[0][0],
xMin = xMax,
yMax = bezier[0][1],
yMin = yMax,
l, x, y, i, b;
while (--segment > -1) {
b = bezier[segment];
l = b.length;
for (i = 6; i < l; i+=6) {
x = b[i];
y = b[i+1];
if (x > xMax) {
xMax = x;
} else if (x < xMin) {
xMin = x;
}
if (y > yMax) {
yMax = y;
} else if (y < yMin) {
yMin = y;
}
}
}
bezier.centerX = (xMax + xMin) / 2;
bezier.centerY = (yMax + yMin) / 2;
return (bezier.size = (xMax - xMin) * (yMax - yMin));
},
_sortByComplexity = function(a, b) {
return b.length - a.length;
},
_sortBySize = function(a, b) {
var sizeA = a.size || _getSize(a),
sizeB = b.size || _getSize(b);
return (Math.abs(sizeB - sizeA) < (sizeA + sizeB) / 20) ? (b.centerX - a.centerX) || (b.centerY - a.centerY) : sizeB - sizeA; //if the size is within 10% of each other, prioritize position from left to right, then top to bottom.
},
_offsetBezier = function(bezier, shapeIndex) {
var a = bezier.slice(0),
l = bezier.length,
wrap = l - 2,
i, index;
shapeIndex = shapeIndex | 0;
for (i = 0; i < l; i++) {
index = (i + shapeIndex) % wrap;
bezier[i++] = a[index];
bezier[i] = a[index+1];
}
},
_getTotalMovement = function(sb, eb, shapeIndex, offsetX, offsetY) {
var l = sb.length,
d = 0,
wrap = l - 2,
index, i, x, y;
shapeIndex *= 6;
for (i = 0; i < l; i += 6) {
index = (i + shapeIndex) % wrap;
y = sb[index] - (eb[i] - offsetX);
x = sb[index+1] - (eb[i+1] - offsetY);
d += Math.sqrt(x * x + y * y);
}
return d;
},
_getClosestShapeIndex = function(sb, eb, checkReverse) { //finds the index in a closed cubic bezier array that's closest to the angle provided (angle measured from the center or average x/y).
var l = sb.length,
sCenter = _getAverageXY(sb), //when comparing distances, adjust the coordinates as if the shapes are centered with each other.
eCenter = _getAverageXY(eb),
offsetX = eCenter[0] - sCenter[0],
offsetY = eCenter[1] - sCenter[1],
min = _getTotalMovement(sb, eb, 0, offsetX, offsetY),
minIndex = 0,
copy, d, i;
for (i = 6; i < l; i += 6) {
d = _getTotalMovement(sb, eb, i / 6, offsetX, offsetY);
if (d < min) {
min = d;
minIndex = i;
}
}
if (checkReverse) {
copy = sb.slice(0);
_reverseBezier(copy);
for (i = 6; i < l; i += 6) {
d = _getTotalMovement(copy, eb, i / 6, offsetX, offsetY);
if (d < min) {
min = d;
minIndex = -i;
}
}
}
return minIndex / 6;
},
_getClosestAnchor = function(bezier, x, y) { //finds the x/y of the anchor that's closest to the provided x/y coordinate (returns an array, like [x, y]). The bezier should be the top-level type that contains an array for each segment.
var j = bezier.length,
closestDistance = 99999999999,
closestX = 0,
closestY = 0,
b, dx, dy, d, i, l;
while (--j > -1) {
b = bezier[j];
l = b.length;
for (i = 0; i < l; i += 6) {
dx = b[i] - x;
dy = b[i+1] - y;
d = Math.sqrt(dx * dx + dy * dy);
if (d < closestDistance) {
closestDistance = d;
closestX = b[i];
closestY = b[i+1];
}
}
}
return [closestX, closestY];
},
_getClosestSegment = function(bezier, pool, startIndex, sortRatio, offsetX, offsetY) { //matches the bezier to the closest one in a pool (array) of beziers, assuming they are in order of size and we shouldn't drop more than 20% of the size, otherwise prioritizing location (total distance to the center). Extracts the segment out of the pool array and returns it.
var l = pool.length,
index = 0,
minSize = Math.min(bezier.size || _getSize(bezier), pool[startIndex].size || _getSize(pool[startIndex])) * sortRatio, //limit things based on a percentage of the size of either the bezier or the next element in the array, whichever is smaller.
min = 999999999999,
cx = bezier.centerX + offsetX,
cy = bezier.centerY + offsetY,
size, i, dx, dy, d;
for (i = startIndex; i < l; i++) {
size = pool[i].size || _getSize(pool[i]);
if (size < minSize) {
break;
}
dx = pool[i].centerX - cx;
dy = pool[i].centerY - cy;
d = Math.sqrt(dx * dx + dy * dy);
if (d < min) {
index = i;
min = d;
}
}
d = pool[index];
pool.splice(index, 1);
return d;
},
_equalizeSegmentQuantity = function(start, end, shapeIndex, map) { //returns an array of shape indexes, 1 for each segment.
var dif = end.length - start.length,
longer = dif > 0 ? end : start,
shorter = dif > 0 ? start : end,
added = 0,
sortMethod = (map === "complexity") ? _sortByComplexity : _sortBySize,
sortRatio = (map === "position") ? 0 : (typeof(map) === "number") ? map : 0.8,
i = shorter.length,
shapeIndices = (typeof(shapeIndex) === "object" && shapeIndex.push) ? shapeIndex.slice(0) : [shapeIndex],
reverse = (shapeIndices[0] === "reverse" || shapeIndices[0] < 0),
log = (shapeIndex === "log"),
eb, sb, b, x, y, offsetX, offsetY;
if (!shorter[0]) {
return;
}
if (longer.length > 1) {
start.sort(sortMethod);
end.sort(sortMethod);
offsetX = longer.size || _getTotalSize(longer); //ensures centerX and centerY are defined (used below).
offsetX = shorter.size || _getTotalSize(shorter);
offsetX = longer.centerX - shorter.centerX;
offsetY = longer.centerY - shorter.centerY;
if (sortMethod === _sortBySize) {
for (i = 0; i < shorter.length; i++) {
longer.splice(i, 0, _getClosestSegment(shorter[i], longer, i, sortRatio, offsetX, offsetY));
}
}
}
if (dif) {
if (dif < 0) {
dif = -dif;
}
if (longer[0].length > shorter[0].length) { //since we use shorter[0] as the one to map the origination point of any brand new fabricated segments, do any subdividing first so that there are more points to choose from (if necessary)
_subdivideBezier(shorter[0], ((longer[0].length - shorter[0].length)/6) | 0);
}
i = shorter.length;
while (added < dif) {
x = longer[i].size || _getSize(longer[i]); //just to ensure centerX and centerY are calculated which we use on the next line.
b = _getClosestAnchor(shorter, longer[i].centerX, longer[i].centerY);
x = b[0];
y = b[1];
shorter[i++] = [x, y, x, y, x, y, x, y];
shorter.totalPoints += 8;
added++;
}
}
for (i = 0; i < start.length; i++) {
eb = end[i];
sb = start[i];
dif = eb.length - sb.length;
if (dif < 0) {
_subdivideBezier(eb, (-dif/6) | 0);
} else if (dif > 0) {
_subdivideBezier(sb, (dif/6) | 0);
}
if (reverse && !sb.reversed) {
_reverseBezier(sb);
}
shapeIndex = (shapeIndices[i] || shapeIndices[i] === 0) ? shapeIndices[i] : "auto";
if (shapeIndex) {
//if start shape is closed, find the closest point to the start/end, and re-organize the bezier points accordingly so that the shape morphs in a more intuitive way.
if (sb.closed || (Math.abs(sb[0] - sb[sb.length - 2]) < 0.5 && Math.abs(sb[1] - sb[sb.length - 1]) < 0.5)) {
if (shapeIndex === "auto" || shapeIndex === "log") {
shapeIndices[i] = shapeIndex = _getClosestShapeIndex(sb, eb, i === 0);
if (shapeIndex < 0) {
reverse = true;
_reverseBezier(sb);
shapeIndex = -shapeIndex;
}
_offsetBezier(sb, shapeIndex * 6);
} else if (shapeIndex !== "reverse") {
if (i && shapeIndex < 0) { //only happens if an array is passed as shapeIndex and a negative value is defined for an index beyond 0. Very rare, but helpful sometimes.
_reverseBezier(sb);
}
_offsetBezier(sb, (shapeIndex < 0 ? -shapeIndex : shapeIndex) * 6);
}
//otherwise, if it's not a closed shape, consider reversing it if that would make the overall travel less
} else if (!reverse && (shapeIndex === "auto" && (Math.abs(eb[0] - sb[0]) + Math.abs(eb[1] - sb[1]) + Math.abs(eb[eb.length - 2] - sb[sb.length - 2]) + Math.abs(eb[eb.length - 1] - sb[sb.length - 1]) > Math.abs(eb[0] - sb[sb.length - 2]) + Math.abs(eb[1] - sb[sb.length - 1]) + Math.abs(eb[eb.length - 2] - sb[0]) + Math.abs(eb[eb.length - 1] - sb[1])) || (shapeIndex % 2))) {
_reverseBezier(sb);
shapeIndices[i] = -1;
reverse = true;
} else if (shapeIndex === "auto") {
shapeIndices[i] = 0;
} else if (shapeIndex === "reverse") {
shapeIndices[i] = -1;
}
if (sb.closed !== eb.closed) { //if one is closed and one isn't, don't close either one otherwise the tweening will look weird (but remember, the beginning and final states will honor the actual values, so this only affects the inbetween state)
sb.closed = eb.closed = false;
}
}
}
if (log) {
_log("shapeIndex:[" + shapeIndices.join(",") + "]");
}
return shapeIndices;
},
_pathFilter = function(a, shapeIndex, map, precompile) {
var start = _pathDataToBezier(a[0]),
end = _pathDataToBezier(a[1]);
if (!_equalizeSegmentQuantity(start, end, (shapeIndex || shapeIndex === 0) ? shapeIndex : "auto", map)) {
return; //malformed path data or null target
}
a[0] = _bezierToPathData(start);
a[1] = _bezierToPathData(end);
if (precompile === "log" || precompile === true) {
_log('precompile:["' + a[0] + '","' + a[1] + '"]');
}
},
_buildPathFilter = function(shapeIndex, map, precompile) {
return (map || precompile || shapeIndex || shapeIndex === 0) ? function(a) {
_pathFilter(a, shapeIndex, map, precompile);
} : _pathFilter;
},
_offsetPoints = function(text, offset) {
if (!offset) {
return text;
}
var a = text.match(_numbersExp) || [],
l = a.length,
s = "",
inc, i, j;
if (offset === "reverse") {
i = l-1;
inc = -2;
} else {
i = (((parseInt(offset, 10) || 0) * 2 + 1) + l * 100) % l;
inc = 2;
}
for (j = 0; j < l; j += 2) {
s += a[i-1] + "," + a[i] + " ";
i = (i + inc) % l;
}
return s;
},
//adds a certain number of points while maintaining the polygon/polyline shape (so that the start/end values can have a matching quantity of points to animate). Returns the revised string.
_equalizePointQuantity = function(a, quantity) {
var tally = 0,
x = parseFloat(a[0]),
y = parseFloat(a[1]),
s = x + "," + y + " ",
max = 0.999999,
newPointsPerSegment, i, l, j, factor, nextX, nextY;
l = a.length;
newPointsPerSegment = quantity * 0.5 / (l * 0.5 - 1);
for (i = 0; i < l-2; i += 2) {
tally += newPointsPerSegment;
nextX = parseFloat(a[i+2]);
nextY = parseFloat(a[i+3]);
if (tally > max) { //compare with 0.99999 instead of 1 in order to prevent rounding errors
factor = 1 / (Math.floor(tally) + 1);
j = 1;
while (tally > max) {
s += (x + (nextX - x) * factor * j).toFixed(2) + "," + (y + (nextY - y) * factor * j).toFixed(2) + " ";
tally--;
j++;
}
}
s += nextX + "," + nextY + " ";
x = nextX;
y = nextY;
}
return s;
},
_pointsFilter = function(a) {
var startNums = a[0].match(_numbersExp) || [],
endNums = a[1].match(_numbersExp) || [],
dif = endNums.length - startNums.length;
if (dif > 0) {
a[0] = _equalizePointQuantity(startNums, dif);
} else {
a[1] = _equalizePointQuantity(endNums, -dif);
}
},
_buildPointsFilter = function(shapeIndex) {
return !isNaN(shapeIndex) ? function(a) {
_pointsFilter(a);
a[1] = _offsetPoints(a[1], parseInt(shapeIndex, 10));
} : _pointsFilter;
},
_createPath = function(e, ignore) {
var path = _gsScope.document.createElementNS("http://www.w3.org/2000/svg", "path"),
attr = Array.prototype.slice.call(e.attributes),
i = attr.length,
name;
ignore = "," + ignore + ",";
while (--i > -1) {
name = attr[i].nodeName.toLowerCase(); //in Microsoft Edge, if you don't set the attribute with a lowercase name, it doesn't render correctly! Super weird.
if (ignore.indexOf("," + name + ",") === -1) {
path.setAttributeNS(null, name, attr[i].nodeValue);
}
}
return path;
},
_convertToPath = function(e, swap) {
var type = e.tagName.toLowerCase(),
circ = 0.552284749831,
data, x, y, r, ry, path, rcirc, rycirc, points, w, h, x2, x3, x4, x5, x6, y2, y3, y4, y5, y6;
if (type === "path" || !e.getBBox) {
return e;
}
path = _createPath(e, "x,y,width,height,cx,cy,rx,ry,r,x1,x2,y1,y2,points");
if (type === "rect") {
r = +e.getAttribute("rx") || 0;
ry = +e.getAttribute("ry") || 0;
x = +e.getAttribute("x") || 0;
y = +e.getAttribute("y") || 0;
w = (+e.getAttribute("width") || 0) - r * 2;
h = (+e.getAttribute("height") || 0) - ry * 2;
if (r || ry) { //if there are rounded corners, render cubic beziers
x2 = x + r * (1 - circ);
x3 = x + r;
x4 = x3 + w;
x5 = x4 + r * circ;
x6 = x4 + r;
y2 = y + ry * (1 - circ);
y3 = y + ry;
y4 = y3 + h;
y5 = y4 + ry * circ;
y6 = y4 + ry;
data = "M" + x6 + "," + y3 + " V" + y4 + " C" + [x6, y5, x5, y6, x4, y6, x4 - (x4 - x3) / 3, y6, x3 + (x4 - x3) / 3, y6, x3, y6, x2, y6, x, y5, x, y4, x, y4 - (y4 - y3) / 3, x, y3 + (y4 - y3) / 3, x, y3, x, y2, x2, y, x3, y, x3 + (x4 - x3) / 3, y, x4 - (x4 - x3) / 3, y, x4, y, x5, y, x6, y2, x6, y3].join(",") + "z";
} else {
data = "M" + (x + w) + "," + y + " v" + h + " h" + (-w) + " v" + (-h) + " h" + w + "z";
}
} else if (type === "circle" || type === "ellipse") {
if (type === "circle") {
r = ry = +e.getAttribute("r") || 0;
rycirc = r * circ;
} else {
r = +e.getAttribute("rx") || 0;
ry = +e.getAttribute("ry") || 0;
rycirc = ry * circ;
}
x = +e.getAttribute("cx") || 0;
y = +e.getAttribute("cy") || 0;
rcirc = r * circ;
data = "M" + (x+r) + "," + y + " C" + [x+r, y + rycirc, x + rcirc, y + ry, x, y + ry, x - rcirc, y + ry, x - r, y + rycirc, x - r, y, x - r, y - rycirc, x - rcirc, y - ry, x, y - ry, x + rcirc, y - ry, x + r, y - rycirc, x + r, y].join(",") + "z";
} else if (type === "line") {
data = "M" + (e.getAttribute("x1") || 0) + "," + (e.getAttribute("y1") || 0) + " L" + (e.getAttribute("x2") || 0) + "," + (e.getAttribute("y2") || 0);
} else if (type === "polyline" || type === "polygon") {
points = (e.getAttribute("points") + "").match(_numbersExp) || [];
x = points.shift();
y = points.shift();
data = "M" + x + "," + y + " L" + points.join(",");
if (type === "polygon") {
data += "," + x + "," + y + "z";
}
}
path.setAttribute("d", data);
if (swap && e.parentNode) {
e.parentNode.insertBefore(path, e);
e.parentNode.removeChild(e);
}
return path;
},
_parseShape = function(shape, forcePath, target) {
var isString = typeof(shape) === "string",
e, type;
if (!isString || _selectorExp.test(shape) || (shape.match(_numbersExp) || []).length < 3) {
e = isString ? TweenLite.selector(shape) : (shape && shape[0]) ? shape : [shape]; //allow array-like objects like jQuery objects.
if (e && e[0]) {
e = e[0];
type = e.nodeName.toUpperCase();
if (forcePath && type !== "PATH") { //if we were passed an element (or selector text for an element) that isn't a path, convert it.
e = _convertToPath(e, false);
type = "PATH";
}
shape = e.getAttribute(type === "PATH" ? "d" : "points") || "";
if (e === target) { //if the shape matches the target element, the user wants to revert to the original which should have been stored in the data-original attribute
shape = e.getAttributeNS(null, "data-original") || shape;
}
} else {
_log("WARNING: invalid morph to: " + shape);
shape = false;
}
}
return shape;
},
_morphMessage = "Use MorphSVGPlugin.convertToPath(elementOrSelectorText) to convert to a path before morphing.",
MorphSVGPlugin = _gsScope._gsDefine.plugin({
propName: "morphSVG",
API: 2,
global: true,
version: "0.8.11",
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
var type, p, pt, shape, isPoly;
if (typeof(target.setAttribute) !== "function") {
return false;
}
if (typeof(value) === "function") {
value = value(index, target);
}
type = target.nodeName.toUpperCase();
isPoly = (type === "POLYLINE" || type === "POLYGON");
if (type !== "PATH" && !isPoly) {
_log("WARNING: cannot morph a <" + type + "> SVG element. " + _morphMessage);
return false;
}
p = (type === "PATH") ? "d" : "points";
if (typeof(value) === "string" || value.getBBox || value[0]) {
value = {shape:value};
}
shape = _parseShape(value.shape || value.d || value.points || "", (p === "d"), target);
if (isPoly && _commands.test(shape)) {
_log("WARNING: a <" + type + "> cannot accept path data. " + _morphMessage);
return false;
}
if (shape) {
this._target = target;
if (!target.getAttributeNS(null, "data-original")) {
target.setAttributeNS(null, "data-original", target.getAttribute(p)); //record the original state in a data-original attribute so that we can revert to it later.
}
pt = this._addTween(target, "setAttribute", target.getAttribute(p) + "", shape + "", "morphSVG", false, p, (typeof(value.precompile) === "object") ? function(a) {a[0] = value.precompile[0]; a[1] = value.precompile[1];} : (p === "d") ? _buildPathFilter(value.shapeIndex, value.map || MorphSVGPlugin.defaultMap, value.precompile) : _buildPointsFilter(value.shapeIndex));
if (pt) {
this._overwriteProps.push("morphSVG");
pt.end = shape;
pt.endProp = p;
}
}
return true;
},
set: function(ratio) {
var pt;
this._super.setRatio.call(this, ratio);
if (ratio === 1) {
pt = this._firstPT;
while (pt) {
if (pt.end) {
this._target.setAttribute(pt.endProp, pt.end); //make sure the end value is exactly as specified (in case we had to add fabricated points during the tween)
}
pt = pt._next;
}
}
}
});
MorphSVGPlugin.pathFilter = _pathFilter;
MorphSVGPlugin.pointsFilter = _pointsFilter;
MorphSVGPlugin.subdivideRawBezier = _subdivideBezier;
MorphSVGPlugin.defaultMap = "size";
MorphSVGPlugin.pathDataToRawBezier = function(data) {
return _pathDataToBezier(_parseShape(data, true));
};
MorphSVGPlugin.equalizeSegmentQuantity = _equalizeSegmentQuantity;
MorphSVGPlugin.convertToPath = function(targets, swap) {
if (typeof(targets) === "string") {
targets = TweenLite.selector(targets);
}
var a = (!targets || targets.length === 0) ? [] : (targets.length && targets[0] && targets[0].nodeType) ? Array.prototype.slice.call(targets, 0) : [targets],
i = a.length;
while (--i > -1) {
a[i] = _convertToPath(a[i], (swap !== false));
}
return a;
};
MorphSVGPlugin.pathDataToBezier = function(data, vars) { //converts SVG path data into an array of {x, y} objects that can be plugged directly into a bezier tween. You can optionally pass in a 2D matrix like [a, b, c, d, tx, ty] containing numbers that should transform each point.
var bezier = _pathDataToBezier(_parseShape(data, true))[0] || [],
prefix = 0,
a, i, l, matrix, offsetX, offsetY, bbox, e;
vars = vars || {};
e = vars.align || vars.relative;
matrix = vars.matrix || [1,0,0,1,0,0];
offsetX = vars.offsetX || 0;
offsetY = vars.offsetY || 0;
if (e === "relative" || e === true) {
offsetX -= bezier[0] * matrix[0] + bezier[1] * matrix[2];
offsetY -= bezier[0] * matrix[1] + bezier[1] * matrix[3];
prefix = "+=";
} else {
offsetX += matrix[4];
offsetY += matrix[5];
if (e) {
e = (typeof(e) === "string") ? TweenLite.selector(e) : (e && e[0]) ? e : [e]; //allow array-like objects like jQuery objects.
if (e && e[0]) {
bbox = e[0].getBBox() || {x:0, y:0};
offsetX -= bbox.x;
offsetY -= bbox.y;
}
}
}
a = [];
l = bezier.length;
if (matrix && matrix.join(",") !== "1,0,0,1,0,0") {
for (i = 0; i < l; i+=2) {
a.push({x:prefix + (bezier[i] * matrix[0] + bezier[i+1] * matrix[2] + offsetX), y:prefix + (bezier[i] * matrix[1] + bezier[i+1] * matrix[3] + offsetY)});
}
} else {
for (i = 0; i < l; i+=2) {
a.push({x:prefix + (bezier[i] + offsetX), y:prefix + (bezier[i+1] + offsetY)});
}
}
return a;
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("MorphSVGPlugin"));
/*!
* VERSION: 0.6.6
* DATE: 2017-06-29
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine("plugins.CSSRulePlugin", ["plugins.TweenPlugin","TweenLite","plugins.CSSPlugin"], function(TweenPlugin, TweenLite, CSSPlugin) {
/** @constructor **/
var CSSRulePlugin = function() {
TweenPlugin.call(this, "cssRule");
this._overwriteProps.length = 0;
},
_doc = _gsScope.document,
_superSetRatio = CSSPlugin.prototype.setRatio,
p = CSSRulePlugin.prototype = new CSSPlugin();
p._propName = "cssRule";
p.constructor = CSSRulePlugin;
CSSRulePlugin.version = "0.6.6";
CSSRulePlugin.API = 2;
/**
* Searches the style sheets in the document for a particular selector like ".myClass" or "a" or "a:hover" or ":after" and
* returns a reference to that style sheet (or an array of them in the case of a pseudo selector like ":after"). Then you
* can animate the individual properties of the style sheet.
*
* @param {!string} selector a string describing the selector, like ".myClass" or "a" or "a:hover" or ":after"
* @return a reference to the style sheet (or an array of them in the case of a pseudo selector). If none was found, null is returned (or an empty array for a pseudo selector)
*/
CSSRulePlugin.getRule = function(selector) {
var ruleProp = _doc.all ? 'rules' : 'cssRules',
ss = _doc.styleSheets,
i = ss.length,
pseudo = (selector.charAt(0) === ":"),
j, curSS, cs, a;
selector = (pseudo ? "" : ",") + selector.split("::").join(":").toLowerCase() + ","; //note: old versions of IE report tag name selectors as upper case, so we just change everything to lowercase.
if (pseudo) {
a = [];
}
while (--i > -1) {
//Firefox may throw insecure operation errors when css is loaded from other domains, so try/catch.
try {
curSS = ss[i][ruleProp];
if (!curSS) {
continue;
}
j = curSS.length;
} catch (e) {
console.log(e);
continue;
}
while (--j > -1) {
cs = curSS[j];
if (cs.selectorText && ("," + cs.selectorText.split("::").join(":").toLowerCase() + ",").indexOf(selector) !== -1) { //note: IE adds an extra ":" to pseudo selectors, so .myClass:after becomes .myClass::after, so we need to strip the extra one out.
if (pseudo) {
a.push(cs.style);
} else {
return cs.style;
}
}
}
}
return a;
};
// @private gets called when the tween renders for the first time. This kicks everything off, recording start/end values, etc.
p._onInitTween = function(target, value, tween) {
if (target.cssText === undefined) {
return false;
}
var div = target._gsProxy = target._gsProxy || _doc.createElement("div");
this._ss = target;
this._proxy = div.style;
div.style.cssText = target.cssText;
CSSPlugin.prototype._onInitTween.call(this, div, value, tween); //we just offload all the work to the regular CSSPlugin and then copy the cssText back over to the rule in the setRatio() method. This allows us to have all of the updates to CSSPlugin automatically flow through to CSSRulePlugin instead of having to maintain both
return true;
};
// @private gets called every time the tween updates, passing the new ratio (typically a value between 0 and 1, but not always (for example, if an Elastic.easeOut is used, the value can jump above 1 mid-tween). It will always start and 0 and end at 1.
p.setRatio = function(v) {
_superSetRatio.call(this, v);
this._ss.cssText = this._proxy.cssText;
};
TweenPlugin.activate([CSSRulePlugin]);
return CSSRulePlugin;
}, true);
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("CSSRulePlugin"));
/*!
* VERSION: 0.11.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* ThrowPropsPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
_gsScope._gsDefine("plugins.ThrowPropsPlugin", ["plugins.TweenPlugin", "TweenLite", "easing.Ease", "utils.VelocityTracker"], function(TweenPlugin, TweenLite, Ease, VelocityTracker) {
var ThrowPropsPlugin = function(props, priority) {
TweenPlugin.call(this, "throwProps");
this._overwriteProps.length = 0;
},
_max = 999999999999999,
_min = 0.0000000001,
_globals = _gsScope._gsDefine.globals,
_recordEndMode = false,//in a typical throwProps css tween that has an "end" defined as a function, it grabs that value initially when the tween is rendered, then again when we calculate the necessary duration, and then a 3rd time after we invalidate() the tween, so we toggle _recordEndMode to true when we're about to begin such a tween which tells the engine to grab the end value(s) once and record them as "max" and "min" on the throwProps object, thus we can skip those extra calls. Then we set it back to false when we're done with our fancy initialization routine.
_transforms = {x:1,y:1,z:2,scale:1,scaleX:1,scaleY:1,rotation:1,rotationZ:1,rotationX:2,rotationY:2,skewX:1,skewY:1,xPercent:1,yPercent:1},
_getClosest = function(n, values, max, min, radius) {
var i = values.length,
closest = 0,
absDif = _max,
val, dif, p, dist;
if (typeof(n) === "object") {
while (--i > -1) {
val = values[i];
dif = 0;
for (p in n) {
dist = val[p] - n[p];
dif += dist * dist;
}
if (dif < absDif) {
closest = i;
absDif = dif;
}
}
if ((radius || _max) < _max && radius < Math.sqrt(absDif)) {
return n;
}
} else {
while (--i > -1) {
val = values[i];
dif = val - n;
if (dif < 0) {
dif = -dif;
}
if (dif < absDif && val >= min && val <= max) {
closest = i;
absDif = dif;
}
}
}
return values[closest];
},
_parseEnd = function(curProp, end, max, min, name, radius) {
if (curProp.end === "auto") {
return curProp;
}
var endVar = curProp.end,
adjustedEnd, p;
max = isNaN(max) ? _max : max;
min = isNaN(min) ? -_max : min;
if (typeof(end) === "object") { //for objects, like {x, y} where they're linked and we must pass an object to the function or find the closest value in an array.
adjustedEnd = end.calculated ? end : ((typeof(endVar) === "function") ? endVar(end) : _getClosest(end, endVar, max, min, radius)) || end;
if (!end.calculated) {
for (p in adjustedEnd) {
end[p] = adjustedEnd[p];
}
end.calculated = true;
}
adjustedEnd = adjustedEnd[name];
} else {
adjustedEnd = (typeof(endVar) === "function") ? endVar(end) : (endVar instanceof Array) ? _getClosest(end, endVar, max, min, radius) : Number(endVar);
}
if (adjustedEnd > max) {
adjustedEnd = max;
} else if (adjustedEnd < min) {
adjustedEnd = min;
}
return {max:adjustedEnd, min:adjustedEnd, unitFactor:curProp.unitFactor};
},
_extend = function(decoratee, extras, exclude) {
for (var p in extras) {
if (decoratee[p] === undefined && p !== exclude) {
decoratee[p] = extras[p];
}
}
return decoratee;
},
_calculateChange = ThrowPropsPlugin.calculateChange = function(velocity, ease, duration, checkpoint) {
if (checkpoint == null) {
checkpoint = 0.05;
}
var e = (ease instanceof Ease) ? ease : (!ease) ? TweenLite.defaultEase : new Ease(ease);
return (duration * checkpoint * velocity) / e.getRatio(checkpoint);
},
_calculateDuration = ThrowPropsPlugin.calculateDuration = function(start, end, velocity, ease, checkpoint) {
checkpoint = checkpoint || 0.05;
var e = (ease instanceof Ease) ? ease : (!ease) ? TweenLite.defaultEase : new Ease(ease);
return Math.abs( (end - start) * e.getRatio(checkpoint) / velocity / checkpoint );
},
_calculateTweenDuration = ThrowPropsPlugin.calculateTweenDuration = function(target, vars, maxDuration, minDuration, overshootTolerance, recordEnd) {
if (typeof(target) === "string") {
target = TweenLite.selector(target);
}
if (!target) {
return 0;
}
if (maxDuration == null) {
maxDuration = 10;
}
if (minDuration == null) {
minDuration = 0.2;
}
if (overshootTolerance == null) {
overshootTolerance = 1;
}
if (target.length) {
target = target[0] || target;
}
var duration = 0,
clippedDuration = 9999999999,
throwPropsVars = vars.throwProps || vars,
ease = (vars.ease instanceof Ease) ? vars.ease : (!vars.ease) ? TweenLite.defaultEase : new Ease(vars.ease),
checkpoint = isNaN(throwPropsVars.checkpoint) ? 0.05 : Number(throwPropsVars.checkpoint),
resistance = isNaN(throwPropsVars.resistance) ? ThrowPropsPlugin.defaultResistance : Number(throwPropsVars.resistance),
p, curProp, curDuration, curVelocity, curResistance, curVal, end, curClippedDuration, tracker, unitFactor,
linkedProps, linkedPropNames, i;
if (throwPropsVars.linkedProps) { //when there are linkedProps (typically "x,y" where snapping has to factor in multiple properties, we must first populate an object with all of those end values, then feed it to the function that make any necessary alterations. So the point of this first loop is to simply build an object (like {x:100, y:204.5}) for feeding into that function which we'll do later in the "real" loop.
linkedPropNames = throwPropsVars.linkedProps.split(",");
linkedProps = {};
for (i = 0; i < linkedPropNames.length; i++) {
p = linkedPropNames[i];
curProp = throwPropsVars[p];
if (curProp) {
if (curProp.velocity !== undefined && typeof(curProp.velocity) === "number") {
curVelocity = Number(curProp.velocity) || 0;
} else {
tracker = tracker || VelocityTracker.getByTarget(target);
curVelocity = (tracker && tracker.isTrackingProp(p)) ? tracker.getVelocity(p) : 0;
}
curResistance = isNaN(curProp.resistance) ? resistance : Number(curProp.resistance);
curDuration = (curVelocity * curResistance > 0) ? curVelocity / curResistance : curVelocity / -curResistance;
curVal = (typeof(target[p]) === "function") ? target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]() : target[p] || 0;
linkedProps[p] = curVal + _calculateChange(curVelocity, ease, curDuration, checkpoint);
}
}
}
for (p in throwPropsVars) {
if (p !== "resistance" && p !== "checkpoint" && p !== "preventOvershoot" && p !== "linkedProps" && p !== "radius") {
curProp = throwPropsVars[p];
if (typeof(curProp) !== "object") {
tracker = tracker || VelocityTracker.getByTarget(target);
if (tracker && tracker.isTrackingProp(p)) {
curProp = (typeof(curProp) === "number") ? {velocity:curProp} : {velocity:tracker.getVelocity(p)}; //if we're tracking this property, we should use the tracking velocity and then use the numeric value that was passed in as the min and max so that it tweens exactly there.
} else {
curVelocity = Number(curProp) || 0;
curDuration = (curVelocity * resistance > 0) ? curVelocity / resistance : curVelocity / -resistance;
}
}
if (typeof(curProp) === "object") {
if (curProp.velocity !== undefined && typeof(curProp.velocity) === "number") {
curVelocity = Number(curProp.velocity) || 0;
} else {
tracker = tracker || VelocityTracker.getByTarget(target);
curVelocity = (tracker && tracker.isTrackingProp(p)) ? tracker.getVelocity(p) : 0;
}
curResistance = isNaN(curProp.resistance) ? resistance : Number(curProp.resistance);
curDuration = (curVelocity * curResistance > 0) ? curVelocity / curResistance : curVelocity / -curResistance;
curVal = (typeof(target[p]) === "function") ? target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]() : target[p] || 0;
end = curVal + _calculateChange(curVelocity, ease, curDuration, checkpoint);
if (curProp.end !== undefined) {
curProp = _parseEnd(curProp, (linkedProps && p in linkedProps) ? linkedProps : end, curProp.max, curProp.min, p, throwPropsVars.radius);
if (recordEnd || _recordEndMode) {
throwPropsVars[p] = _extend(curProp, throwPropsVars[p], "end");
}
}
if (curProp.max !== undefined && end > Number(curProp.max) + _min) {
unitFactor = curProp.unitFactor || ThrowPropsPlugin.defaultUnitFactors[p] || 1; //some values are measured in special units like radians in which case our thresholds need to be adjusted accordingly.
//if the value is already exceeding the max or the velocity is too low, the duration can end up being uncomfortably long but in most situations, users want the snapping to occur relatively quickly (0.75 seconds), so we implement a cap here to make things more intuitive. If the max and min match, it means we're animating to a particular value and we don't want to shorten the time unless the velocity is really slow. Example: a rotation where the start and natural end value are less than the snapping spot, but the natural end is pretty close to the snap.
curClippedDuration = ((curVal > curProp.max && curProp.min !== curProp.max) || (curVelocity * unitFactor > -15 && curVelocity * unitFactor < 45)) ? (minDuration + (maxDuration - minDuration) * 0.1) : _calculateDuration(curVal, curProp.max, curVelocity, ease, checkpoint);
if (curClippedDuration + overshootTolerance < clippedDuration) {
clippedDuration = curClippedDuration + overshootTolerance;
}
} else if (curProp.min !== undefined && end < Number(curProp.min) - _min) {
unitFactor = curProp.unitFactor || ThrowPropsPlugin.defaultUnitFactors[p] || 1; //some values are measured in special units like radians in which case our thresholds need to be adjusted accordingly.
//if the value is already exceeding the min or if the velocity is too low, the duration can end up being uncomfortably long but in most situations, users want the snapping to occur relatively quickly (0.75 seconds), so we implement a cap here to make things more intuitive.
curClippedDuration = ((curVal < curProp.min && curProp.min !== curProp.max) || (curVelocity * unitFactor > -45 && curVelocity * unitFactor < 15)) ? (minDuration + (maxDuration - minDuration) * 0.1) : _calculateDuration(curVal, curProp.min, curVelocity, ease, checkpoint);
if (curClippedDuration + overshootTolerance < clippedDuration) {
clippedDuration = curClippedDuration + overshootTolerance;
}
}
if (curClippedDuration > duration) {
duration = curClippedDuration;
}
}
if (curDuration > duration) {
duration = curDuration;
}
}
}
if (duration > clippedDuration) {
duration = clippedDuration;
}
if (duration > maxDuration) {
return maxDuration;
} else if (duration < minDuration) {
return minDuration;
}
return duration;
},
p = ThrowPropsPlugin.prototype = new TweenPlugin("throwProps"),
_cssProxy, _cssVars, _last, _lastValue; //these serve as a cache of sorts, recording the last css-related proxy and the throwProps vars that get calculated in the _cssRegister() method. This allows us to grab them in the ThrowPropsPlugin.to() function and calculate the duration. Of course we could have structured things in a more "clean" fashion, but performance is of paramount importance.
p.constructor = ThrowPropsPlugin;
ThrowPropsPlugin.version = "0.11.1";
ThrowPropsPlugin.API = 2;
ThrowPropsPlugin._autoCSS = true; //indicates that this plugin can be inserted into the "css" object using the autoCSS feature of TweenLite
ThrowPropsPlugin.defaultResistance = 100;
ThrowPropsPlugin.defaultUnitFactors = {time:1000, totalTime:1000}; //setting the unitFactor to a higher value (default is 1) reduces the chance of the auto-accelerating behavior kicking in when determining durations when the initial velocity is adequately low - imagine dragging something past a boundary and then letting go - snapping back relatively quickly should be prioritized over matching the initial velocity (at least that's the behavior most people consider intuitive). But in some situations when the units are very low (like "time" of a timeline or rotation when using radians), it can kick in too frequently so this allows tweaking.
ThrowPropsPlugin.track = function(target, props, types) {
return VelocityTracker.track(target, props, types);
};
ThrowPropsPlugin.untrack = function(target, props) {
VelocityTracker.untrack(target, props);
};
ThrowPropsPlugin.isTracking = function(target, prop) {
return VelocityTracker.isTracking(target, prop);
};
ThrowPropsPlugin.getVelocity = function(target, prop) {
var vt = VelocityTracker.getByTarget(target);
return vt ? vt.getVelocity(prop) : NaN;
};
ThrowPropsPlugin._cssRegister = function() {
var CSSPlugin = _globals.com.greensock.plugins.CSSPlugin;
if (!CSSPlugin) {
return;
}
var _internals = CSSPlugin._internals,
_parseToProxy = _internals._parseToProxy,
_setPluginRatio = _internals._setPluginRatio,
CSSPropTween = _internals.CSSPropTween;
_internals._registerComplexSpecialProp("throwProps", {parser:function(t, e, prop, cssp, pt, plugin) {
plugin = new ThrowPropsPlugin();
var velocities = {},
min = {},
max = {},
end = {},
res = {},
preventOvershoot = {},
hasResistance, val, p, data, tracker;
_cssVars = {};
for (p in e) {
if (p !== "resistance" && p !== "preventOvershoot" && p !== "linkedProps" && p !== "radius") {
val = e[p];
if (typeof(val) === "object") {
if (val.velocity !== undefined && typeof(val.velocity) === "number") {
velocities[p] = Number(val.velocity) || 0;
} else {
tracker = tracker || VelocityTracker.getByTarget(t);
velocities[p] = (tracker && tracker.isTrackingProp(p)) ? tracker.getVelocity(p) : 0; //rotational values are actually converted to radians in CSSPlugin, but our tracking velocity is in radians already, so make it into degrees to avoid a funky conversion
}
if (val.end !== undefined) {
end[p] = val.end;
}
if (val.min !== undefined) {
min[p] = val.min;
}
if (val.max !== undefined) {
max[p] = val.max;
}
if (val.preventOvershoot) {
preventOvershoot[p] = true;
}
if (val.resistance !== undefined) {
hasResistance = true;
res[p] = val.resistance;
}
} else if (typeof(val) === "number") {
velocities[p] = val;
} else {
tracker = tracker || VelocityTracker.getByTarget(t);
if (tracker && tracker.isTrackingProp(p)) {
velocities[p] = tracker.getVelocity(p);
} else {
velocities[p] = val || 0;
}
}
if (_transforms[p]) {
cssp._enableTransforms((_transforms[p] === 2));
}
}
}
data = _parseToProxy(t, velocities, cssp, pt, plugin);
_cssProxy = data.proxy;
velocities = data.end;
for (p in _cssProxy) {
_cssVars[p] = {velocity:velocities[p], min:min[p], max:max[p], end:end[p], resistance:res[p], preventOvershoot:preventOvershoot[p]};
}
if (e.resistance != null) {
_cssVars.resistance = e.resistance;
}
if (e.linkedProps != null) {
_cssVars.linkedProps = e.linkedProps;
}
if (e.radius != null) {
_cssVars.radius = e.radius;
}
if (e.preventOvershoot) {
_cssVars.preventOvershoot = true;
}
pt = new CSSPropTween(t, "throwProps", 0, 0, data.pt, 2);
cssp._overwriteProps.pop(); //don't overwrite all other throwProps tweens. In the CSSPropTween constructor, we add the property to the _overwriteProps, so remove it here.
pt.plugin = plugin;
pt.setRatio = _setPluginRatio;
pt.data = data;
plugin._onInitTween(_cssProxy, _cssVars, cssp._tween);
return pt;
}});
};
ThrowPropsPlugin.to = function(target, vars, maxDuration, minDuration, overshootTolerance) {
if (!vars.throwProps) {
vars = {throwProps:vars};
}
if (overshootTolerance === 0) {
vars.throwProps.preventOvershoot = true;
}
_recordEndMode = true; //if we encounter a function-based "end" value, ThrowPropsPlugin will record it as "max" and "min" properties, replacing "end" (this is an optimization so that the function only gets called once)
var tween = new TweenLite(target, minDuration || 1, vars);
tween.render(0, true, true); //we force a render so that the CSSPlugin instantiates and populates the _cssProxy and _cssVars which we need in order to calculate the tween duration. Remember, we can't use the regular target for calculating the duration because the current values wouldn't be able to be grabbed like target["propertyName"], as css properties can be complex like boxShadow:"10px 10px 20px 30px red" or backgroundPosition:"25px 50px". The proxy is the result of breaking all that complex data down and finding just the numeric values and assigning them to a generic proxy object with unique names. THAT is what the _calculateTweenDuration() can look at. We also needed to do the same break down of any min or max or velocity data
if (tween.vars.css) {
tween.duration(_calculateTweenDuration(_cssProxy, {throwProps:_cssVars, ease:vars.ease}, maxDuration, minDuration, overshootTolerance));
if (tween._delay && !tween.vars.immediateRender) {
tween.invalidate(); //if there's a delay, the starting values could be off, so invalidate() to force reinstantiation when the tween actually starts.
} else {
_last._onInitTween(_cssProxy, _lastValue, tween);
}
_recordEndMode = false;
return tween;
} else {
tween.kill();
tween = new TweenLite(target, _calculateTweenDuration(target, vars, maxDuration, minDuration, overshootTolerance), vars);
_recordEndMode = false;
return tween;
}
};
p._onInitTween = function(target, value, tween, index) {
this.target = target;
this._props = [];
_last = this;
_lastValue = value;
var ease = tween._ease,
checkpoint = isNaN(value.checkpoint) ? 0.05 : Number(value.checkpoint),
duration = tween._duration,
preventOvershoot = value.preventOvershoot,
cnt = 0,
p, curProp, curVal, isFunc, velocity, change1, end, change2, tracker,
linkedProps, linkedPropNames, i;
if (value.linkedProps) { //when there are linkedProps (typically "x,y" where snapping has to factor in multiple properties, we must first populate an object with all of those end values, then feed it to the function that make any necessary alterations. So the point of this first loop is to simply build an object (like {x:100, y:204.5}) for feeding into that function which we'll do later in the "real" loop.
linkedPropNames = value.linkedProps.split(",");
linkedProps = {};
for (i = 0; i < linkedPropNames.length; i++) {
p = linkedPropNames[i];
curProp = value[p];
if (curProp) {
if (curProp.velocity !== undefined && typeof(curProp.velocity) === "number") {
velocity = Number(curProp.velocity) || 0;
} else {
tracker = tracker || VelocityTracker.getByTarget(target);
velocity = (tracker && tracker.isTrackingProp(p)) ? tracker.getVelocity(p) : 0;
}
curVal = (typeof(target[p]) === "function") ? target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]() : target[p] || 0;
linkedProps[p] = curVal + _calculateChange(velocity, ease, duration, checkpoint);
}
}
}
for (p in value) {
if (p !== "resistance" && p !== "checkpoint" && p !== "preventOvershoot" && p !== "linkedProps" && p !== "radius") {
curProp = value[p];
if (typeof(curProp) === "function") {
curProp = curProp(index, target);
}
if (typeof(curProp) === "number") {
velocity = Number(curProp) || 0;
} else if (typeof(curProp) === "object" && !isNaN(curProp.velocity)) {
velocity = Number(curProp.velocity);
} else {
tracker = tracker || VelocityTracker.getByTarget(target);
if (tracker && tracker.isTrackingProp(p)) {
velocity = tracker.getVelocity(p);
} else {
throw("ERROR: No velocity was defined in the throwProps tween of " + target + " property: " + p);
}
}
change1 = _calculateChange(velocity, ease, duration, checkpoint);
change2 = 0;
isFunc = (typeof(target[p]) === "function");
curVal = (isFunc) ? target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]() : target[p];
if (typeof(curProp) === "object") {
end = curVal + change1;
if (curProp.end !== undefined) {
curProp = _parseEnd(curProp, (linkedProps && p in linkedProps) ? linkedProps : end, curProp.max, curProp.min, p, value.radius);
if (_recordEndMode) {
value[p] = _extend(curProp, value[p], "end");
}
}
if (curProp.max !== undefined && Number(curProp.max) < end) {
if (preventOvershoot || curProp.preventOvershoot) {
change1 = curProp.max - curVal;
} else {
change2 = (curProp.max - curVal) - change1;
}
} else if (curProp.min !== undefined && Number(curProp.min) > end) {
if (preventOvershoot || curProp.preventOvershoot) {
change1 = curProp.min - curVal;
} else {
change2 = (curProp.min - curVal) - change1;
}
}
}
this._overwriteProps[cnt] = p;
this._props[cnt++] = {p:p, s:curVal, c1:change1, c2:change2, f:isFunc, r:false};
}
}
return true;
};
p._kill = function(lookup) {
var i = this._props.length;
while (--i > -1) {
if (lookup[this._props[i].p] != null) {
this._props.splice(i, 1);
}
}
return TweenPlugin.prototype._kill.call(this, lookup);
};
p._mod = function(lookup) {
var p = this._props,
i = p.length,
val;
while (--i > -1) {
val = lookup[p[i].p] || lookup.throwProps;
if (typeof(val) === "function") {
p[i].m = val;
}
}
};
p.setRatio = function(v) {
var i = this._props.length,
cp, val;
while (--i > -1) {
cp = this._props[i];
val = cp.s + cp.c1 * v + cp.c2 * v * v;
if (cp.m) {
val = cp.m(val, this.target);
} else if (v === 1) {
val = ((val * 10000 + (val < 0 ? -0.5 : 0.5)) | 0) / 10000; //if we don't round things at the very end, binary math issues can creep in and cause snapping not to be exact (like landing on 20.000000000001 instead of 20).
}
if (cp.f) {
this.target[cp.p](val);
} else {
this.target[cp.p] = val;
}
}
};
TweenPlugin.activate([ThrowPropsPlugin]);
return ThrowPropsPlugin;
}, true);
/*
* ----------------------------------------------------------------
* VelocityTracker
* ----------------------------------------------------------------
*/
_gsScope._gsDefine("utils.VelocityTracker", ["TweenLite"], function(TweenLite) {
var _first, _initted, _time1, _time2,
_capsExp = /([A-Z])/g,
_empty = {},
_doc = _gsScope.document,
_transforms = {x:1,y:1,z:2,scale:1,scaleX:1,scaleY:1,rotation:1,rotationZ:1,rotationX:2,rotationY:2,skewX:1,skewY:1,xPercent:1,yPercent:1},
_getComputedStyle = _doc.defaultView ? _doc.defaultView.getComputedStyle : function() {},
_getStyle = function(t, p, cs) {
var rv = (t._gsTransform || _empty)[p];
if (rv || rv === 0) {
return rv;
} else if (t.style[p]) {
rv = t.style[p];
} else if ((cs = cs || _getComputedStyle(t, null))) {
rv = cs[p] || cs.getPropertyValue(p) || cs.getPropertyValue(p.replace(_capsExp, "-$1").toLowerCase());
} else if (t.currentStyle) {
rv = t.currentStyle[p];
}
return parseFloat(rv) || 0;
},
_ticker = TweenLite.ticker,
VelocityProp = function(p, isFunc, next) {
this.p = p;
this.f = isFunc;
this.v1 = this.v2 = 0;
this.t1 = this.t2 = _ticker.time;
this.css = false;
this.type = "";
this._prev = null;
if (next) {
this._next = next;
next._prev = this;
}
},
_update = function() {
var vt = _first,
t = _ticker.time,
val, vp;
//if the frame rate is too high, we won't be able to track the velocity as well, so only update the values about 33 times per second
if (t - _time1 >= 0.03) {
_time2 = _time1;
_time1 = t;
while (vt) {
vp = vt._firstVP;
while (vp) {
val = vp.css ? _getStyle(vt.target, vp.p) : vp.f ? vt.target[vp.p]() : vt.target[vp.p];
if (val !== vp.v1 || t - vp.t1 > 0.15) { //use a threshold of 0.15 seconds for zeroing-out velocity. If we only use 0.03 and things update slightly slower, like some Android devices dispatch "touchmove" events sluggishly so 2 or 3 ticks of the TweenLite.ticker may elapse inbetween, thus it may appear like the object is not moving but it actually is but it's not updating as frequently. A threshold of 0.15 seconds seems to be a good balance. We want to update things frequently (0.03 seconds) when they're moving so that we can respond to fast motions accurately, but we want to be more resistant to go back to a zero velocity.
vp.v2 = vp.v1;
vp.v1 = val;
vp.t2 = vp.t1;
vp.t1 = t;
}
vp = vp._next;
}
vt = vt._next;
}
}
},
VelocityTracker = function(target) {
this._lookup = {};
this.target = target;
this.elem = (target.style && target.nodeType) ? true : false;
if (!_initted) {
_ticker.addEventListener("tick", _update, null, false, -100);
_time1 = _time2 = _ticker.time;
_initted = true;
}
if (_first) {
this._next = _first;
_first._prev = this;
}
_first = this;
},
getByTarget = VelocityTracker.getByTarget = function(target) {
var vt = _first;
while (vt) {
if (vt.target === target) {
return vt;
}
vt = vt._next;
}
},
p = VelocityTracker.prototype;
p.addProp = function(prop, type) {
if (!this._lookup[prop]) {
var t = this.target,
isFunc = (typeof(t[prop]) === "function"),
alt = isFunc ? this._altProp(prop) : prop,
vp = this._firstVP;
this._firstVP = this._lookup[prop] = this._lookup[alt] = vp = new VelocityProp((alt !== prop && prop.indexOf("set") === 0) ? alt : prop, isFunc, vp);
vp.css = (this.elem && (this.target.style[vp.p] !== undefined || _transforms[vp.p]));
if (vp.css && _transforms[vp.p] && !t._gsTransform) {
TweenLite.set(t, {x:"+=0", overwrite:false}); //just forces CSSPlugin to create a _gsTransform for the element if it doesn't exist
}
vp.type = type || (vp.css && prop.indexOf("rotation") === 0) ? "deg" : "";
vp.v1 = vp.v2 = vp.css ? _getStyle(t, vp.p) : isFunc ? t[vp.p]() : t[vp.p];
}
};
p.removeProp = function(prop) {
var vp = this._lookup[prop];
if (vp) {
if (vp._prev) {
vp._prev._next = vp._next;
} else if (vp === this._firstVP) {
this._firstVP = vp._next;
}
if (vp._next) {
vp._next._prev = vp._prev;
}
this._lookup[prop] = 0;
if (vp.f) {
this._lookup[this._altProp(prop)] = 0; //if it's a getter/setter, we should remove the matching counterpart (if one exists)
}
}
};
p.isTrackingProp = function(prop) {
return (this._lookup[prop] instanceof VelocityProp);
};
p.getVelocity = function(prop) {
var vp = this._lookup[prop],
target = this.target,
val, dif, rotationCap;
if (!vp) {
throw "The velocity of " + prop + " is not being tracked.";
}
val = vp.css ? _getStyle(target, vp.p) : vp.f ? target[vp.p]() : target[vp.p];
dif = (val - vp.v2);
if (vp.type === "rad" || vp.type === "deg") { //rotational values need special interpretation so that if, for example, they go from 179 to -178 degrees it is interpreted as a change of 3 instead of -357.
rotationCap = (vp.type === "rad") ? Math.PI * 2 : 360;
dif = dif % rotationCap;
if (dif !== dif % (rotationCap / 2)) {
dif = (dif < 0) ? dif + rotationCap : dif - rotationCap;
}
}
return dif / (_ticker.time - vp.t2);
};
p._altProp = function(p) { //for getters/setters like getCustomProp() and setCustomProp() - we should accommodate both
var pre = p.substr(0, 3),
alt = ((pre === "get") ? "set" : (pre === "set") ? "get" : pre) + p.substr(3);
return (typeof(this.target[alt]) === "function") ? alt : p;
};
VelocityTracker.getByTarget = function(target) {
var vt = _first;
if (typeof(target) === "string") {
target = TweenLite.selector(target);
}
if (target.length && target !== window && target[0] && target[0].style && !target.nodeType) {
target = target[0];
}
while (vt) {
if (vt.target === target) {
return vt;
}
vt = vt._next;
}
};
VelocityTracker.track = function(target, props, types) {
var vt = getByTarget(target),
a = props.split(","),
i = a.length;
types = (types || "").split(",");
if (!vt) {
vt = new VelocityTracker(target);
}
while (--i > -1) {
vt.addProp(a[i], types[i] || types[0]);
}
return vt;
};
VelocityTracker.untrack = function(target, props) {
var vt = getByTarget(target),
a = (props || "").split(","),
i = a.length;
if (!vt) {
return;
}
while (--i > -1) {
vt.removeProp(a[i]);
}
if (!vt._firstVP || !props) {
if (vt._prev) {
vt._prev._next = vt._next;
} else if (vt === _first) {
_first = vt._next;
}
if (vt._next) {
vt._next._prev = vt._prev;
}
}
};
VelocityTracker.isTracking = function(target, prop) {
var vt = getByTarget(target);
return (!vt) ? false : (!prop && vt._firstVP) ? true : vt.isTrackingProp(prop);
};
return VelocityTracker;
}, true);
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("ThrowPropsPlugin"));
/*!
* VERSION: 0.2.1
* DATE: 2017-06-19
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* Physics2DPlugin is a Club GreenSock membership benefit; You must have a valid membership to use
* this code without violating the terms of use. Visit http://greensock.com/club/ to sign up or get more details.
* This work is subject to the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
var _gsScope = (typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window; //helps ensure compatibility with AMD/RequireJS and CommonJS/Node
(_gsScope._gsQueue || (_gsScope._gsQueue = [])).push( function() {
"use strict";
var _DEG2RAD = Math.PI / 180,
Physics2DProp = function(target, p, velocity, acceleration, stepsPerTimeUnit) {
this.p = p;
this.f = (typeof(target[p]) === "function");
this.start = this.value = (!this.f) ? parseFloat(target[p]) : target[ ((p.indexOf("set") || typeof(target["get" + p.substr(3)]) !== "function") ? p : "get" + p.substr(3)) ]();
this.velocity = velocity || 0;
this.v = this.velocity / stepsPerTimeUnit;
if (acceleration || acceleration === 0) {
this.acceleration = acceleration;
this.a = this.acceleration / (stepsPerTimeUnit * stepsPerTimeUnit);
} else {
this.acceleration = this.a = 0;
}
},
_random = Math.random(),
_globals = _gsScope._gsDefine.globals,
_rootFramesTimeline = _globals.com.greensock.core.Animation._rootFramesTimeline,
Physics2DPlugin = _gsScope._gsDefine.plugin({
propName: "physics2D",
version: "0.2.1",
API: 2,
//called when the tween renders for the first time. This is where initial values should be recorded and any setup routines should run.
init: function(target, value, tween, index) {
if (typeof(value) === "function") {
value = value(index, target);
}
this._target = target;
this._tween = tween;
this._runBackwards = (tween.vars.runBackwards === true);
this._step = 0;
var tl = tween._timeline,
angle = Number(value.angle) || 0,
velocity = Number(value.velocity) || 0,
acceleration = Number(value.acceleration) || 0,
xProp = value.xProp || "x",
yProp = value.yProp || "y",
aAngle = (value.accelerationAngle || value.accelerationAngle === 0) ? Number(value.accelerationAngle) : angle,
stepsPerTimeUnit;
while (tl._timeline) {
tl = tl._timeline;
}
this._stepsPerTimeUnit = stepsPerTimeUnit = (tl === _rootFramesTimeline) ? 1 : 30;
if (value.gravity) {
acceleration = Number(value.gravity);
aAngle = 90;
}
angle *= _DEG2RAD;
aAngle *= _DEG2RAD;
this._friction = 1 - Number(value.friction || 0);
this._overwriteProps.push(xProp);
this._overwriteProps.push(yProp);
this._x = new Physics2DProp(target, xProp, Math.cos(angle) * velocity, Math.cos(aAngle) * acceleration, stepsPerTimeUnit);
this._y = new Physics2DProp(target, yProp, Math.sin(angle) * velocity, Math.sin(aAngle) * acceleration, stepsPerTimeUnit);
this._skipX = this._skipY = false;
return true;
},
//called each time the values should be updated, and the ratio gets passed as the only parameter (typically it's a value between 0 and 1, but it can exceed those when using an ease like Elastic.easeOut or Back.easeOut, etc.)
set: function(ratio) {
var time = this._tween._time,
xp = this._x,
yp = this._y,
x, y, tt, steps, remainder, i;
if (this._runBackwards === true) {
time = this._tween._duration - time;
}
if (this._friction === 1) {
tt = time * time * 0.5;
x = xp.start + ((xp.velocity * time) + (xp.acceleration * tt));
y = yp.start + ((yp.velocity * time) + (yp.acceleration * tt));
} else {
time *= this._stepsPerTimeUnit;
steps = i = (time | 0) - this._step;
remainder = (time % 1);
if (i >= 0) { //going forward
while (--i > -1) {
xp.v += xp.a;
yp.v += yp.a;
xp.v *= this._friction;
yp.v *= this._friction;
xp.value += xp.v;
yp.value += yp.v;
}
} else { //going backwards
i = -i;
while (--i > -1) {
xp.value -= xp.v;
yp.value -= yp.v;
xp.v /= this._friction;
yp.v /= this._friction;
xp.v -= xp.a;
yp.v -= yp.a;
}
}
x = xp.value + (xp.v * remainder);
y = yp.value + (yp.v * remainder);
this._step += steps;
}
if (!this._skipX) {
if (xp.m) {
x = xp.m(x, this._target);
}
if (xp.f) {
this._target[xp.p](x);
} else {
this._target[xp.p] = x;
}
}
if (!this._skipY) {
if (yp.m) {
y = yp.m(y, this._target);
}
if (yp.f) {
this._target[yp.p](y);
} else {
this._target[yp.p] = y;
}
}
}
}),
p = Physics2DPlugin.prototype;
p._kill = function(lookup) {
if (lookup[this._x.p] != null) {
this._skipX = true;
}
if (lookup[this._y.p] != null) {
this._skipY = true;
}
return this._super._kill.call(this, lookup);
};
p._mod = function(lookup) {
var val = lookup[this._x.p] || lookup.physics2D;
if (val && typeof(val) === "function") {
this._x.m = val;
}
val = lookup[this._y.p] || lookup.physics2D;
if (val && typeof(val) === "function") {
this._y.m = val;
}
};
Physics2DPlugin._autoCSS = true; //indicates that this plugin can be inserted into the "css" object using the autoCSS feature of TweenLite
Physics2DPlugin._cssRegister = function() {
var CSSPlugin = _globals.CSSPlugin;
if (!CSSPlugin) {
return;
}
var _internals = CSSPlugin._internals,
_parseToProxy = _internals._parseToProxy,
_setPluginRatio = _internals._setPluginRatio,
CSSPropTween = _internals.CSSPropTween;
_internals._registerComplexSpecialProp("physics2D", {parser:function(t, e, prop, cssp, pt, plugin) {
plugin = new Physics2DPlugin();
var xProp = e.xProp || "x",
yProp = e.yProp || "y",
vars = {},
data;
vars[xProp] = vars[yProp] = _random++; //doesn't really matter what values we put here because the plugin will determine end values, but it'd be best of the values don't match the current ones so that CSSPlugin doesn't skip creating a CSSPropTween.
data = _parseToProxy(t, vars, cssp, pt, plugin);
pt = new CSSPropTween(t, "physics2D", 0, 0, data.pt, 2);
pt.data = data;
pt.plugin = plugin;
pt.setRatio = _setPluginRatio;
plugin._onInitTween(data.proxy, e, cssp._tween);
return pt;
}});
};
}); if (_gsScope._gsDefine) { _gsScope._gsQueue.pop()(); }
//export to AMD/RequireJS and CommonJS/Node (precursor to full modular build system coming at a later date)
(function(name) {
"use strict";
var getGlobal = function() {
return (_gsScope.GreenSockGlobals || _gsScope)[name];
};
if (typeof(module) !== "undefined" && module.exports) { //node
require("../TweenLite.js");
module.exports = getGlobal();
} else if (typeof(define) === "function" && define.amd) { //AMD
define(["TweenLite"], getGlobal);
}
}("Physics2DPlugin"));
/*!
* VERSION: 1.20.2
* DATE: 2017-06-30
* UPDATES AND DOCS AT: http://greensock.com
*
* @license Copyright (c) 2008-2017, GreenSock. All rights reserved.
* This work is subject to the terms at http://greensock.com/standard-license or for
* Club GreenSock members, the software agreement that was issued with your membership.
*
* @author: Jack Doyle, jack@greensock.com
*/
(function(window, moduleName) {
"use strict";
var _exports = {},
_doc = window.document,
_globals = window.GreenSockGlobals = window.GreenSockGlobals || window;
if (_globals.TweenLite) {
return; //in case the core set of classes is already loaded, don't instantiate twice.
}
var _namespace = function(ns) {
var a = ns.split("."),
p = _globals, i;
for (i = 0; i < a.length; i++) {
p[a[i]] = p = p[a[i]] || {};
}
return p;
},
gs = _namespace("com.greensock"),
_tinyNum = 0.0000000001,
_slice = function(a) { //don't use Array.prototype.slice.call(target, 0) because that doesn't work in IE8 with a NodeList that's returned by querySelectorAll()
var b = [],
l = a.length,
i;
for (i = 0; i !== l; b.push(a[i++])) {}
return b;
},
_emptyFunc = function() {},
_isArray = (function() { //works around issues in iframe environments where the Array global isn't shared, thus if the object originates in a different window/iframe, "(obj instanceof Array)" will evaluate false. We added some speed optimizations to avoid Object.prototype.toString.call() unless it's absolutely necessary because it's VERY slow (like 20x slower)
var toString = Object.prototype.toString,
array = toString.call([]);
return function(obj) {
return obj != null && (obj instanceof Array || (typeof(obj) === "object" && !!obj.push && toString.call(obj) === array));
};
}()),
a, i, p, _ticker, _tickerActive,
_defLookup = {},
/**
* @constructor
* Defines a GreenSock class, optionally with an array of dependencies that must be instantiated first and passed into the definition.
* This allows users to load GreenSock JS files in any order even if they have interdependencies (like CSSPlugin extends TweenPlugin which is
* inside TweenLite.js, but if CSSPlugin is loaded first, it should wait to run its code until TweenLite.js loads and instantiates TweenPlugin
* and then pass TweenPlugin to CSSPlugin's definition). This is all done automatically and internally.
*
* Every definition will be added to a "com.greensock" global object (typically window, but if a window.GreenSockGlobals object is found,
* it will go there as of v1.7). For example, TweenLite will be found at window.com.greensock.TweenLite and since it's a global class that should be available anywhere,
* it is ALSO referenced at window.TweenLite. However some classes aren't considered global, like the base com.greensock.core.Animation class, so
* those will only be at the package like window.com.greensock.core.Animation. Again, if you define a GreenSockGlobals object on the window, everything
* gets tucked neatly inside there instead of on the window directly. This allows you to do advanced things like load multiple versions of GreenSock
* files and put them into distinct objects (imagine a banner ad uses a newer version but the main site uses an older one). In that case, you could
* sandbox the banner one like:
*
* <script>
* var gs = window.GreenSockGlobals = {}; //the newer version we're about to load could now be referenced in a "gs" object, like gs.TweenLite.to(...). Use whatever alias you want as long as it's unique, "gs" or "banner" or whatever.
* </script>
* <script src="js/greensock/v1.7/TweenMax.js"></script>
* <script>
* window.GreenSockGlobals = window._gsQueue = window._gsDefine = null; //reset it back to null (along with the special _gsQueue variable) so that the next load of TweenMax affects the window and we can reference things directly like TweenLite.to(...)
* </script>
* <script src="js/greensock/v1.6/TweenMax.js"></script>
* <script>
* gs.TweenLite.to(...); //would use v1.7
* TweenLite.to(...); //would use v1.6
* </script>
*
* @param {!string} ns The namespace of the class definition, leaving off "com.greensock." as that's assumed. For example, "TweenLite" or "plugins.CSSPlugin" or "easing.Back".
* @param {!Array.<string>} dependencies An array of dependencies (described as their namespaces minus "com.greensock." prefix). For example ["TweenLite","plugins.TweenPlugin","core.Animation"]
* @param {!function():Object} func The function that should be called and passed the resolved dependencies which will return the actual class for this definition.
* @param {boolean=} global If true, the class will be added to the global scope (typically window unless you define a window.GreenSockGlobals object)
*/
Definition = function(ns, dependencies, func, global) {
this.sc = (_defLookup[ns]) ? _defLookup[ns].sc : []; //subclasses
_defLookup[ns] = this;
this.gsClass = null;
this.func = func;
var _classes = [];
this.check = function(init) {
var i = dependencies.length,
missing = i,
cur, a, n, cl;
while (--i > -1) {
if ((cur = _defLookup[dependencies[i]] || new Definition(dependencies[i], [])).gsClass) {
_classes[i] = cur.gsClass;
missing--;
} else if (init) {
cur.sc.push(this);
}
}
if (missing === 0 && func) {
a = ("com.greensock." + ns).split(".");
n = a.pop();
cl = _namespace(a.join("."))[n] = this.gsClass = func.apply(func, _classes);
//exports to multiple environments
if (global) {
_globals[n] = _exports[n] = cl; //provides a way to avoid global namespace pollution. By default, the main classes like TweenLite, Power1, Strong, etc. are added to window unless a GreenSockGlobals is defined. So if you want to have things added to a custom object instead, just do something like window.GreenSockGlobals = {} before loading any GreenSock files. You can even set up an alias like window.GreenSockGlobals = windows.gs = {} so that you can access everything like gs.TweenLite. Also remember that ALL classes are added to the window.com.greensock object (in their respective packages, like com.greensock.easing.Power1, com.greensock.TweenLite, etc.)
if (typeof(module) !== "undefined" && module.exports) { //node
if (ns === moduleName) {
module.exports = _exports[moduleName] = cl;
for (i in _exports) {
cl[i] = _exports[i];
}
} else if (_exports[moduleName]) {
_exports[moduleName][n] = cl;
}
} else if (typeof(define) === "function" && define.amd){ //AMD
define((window.GreenSockAMDPath ? window.GreenSockAMDPath + "/" : "") + ns.split(".").pop(), [], function() { return cl; });
}
}
for (i = 0; i < this.sc.length; i++) {
this.sc[i].check();
}
}
};
this.check(true);
},
//used to create Definition instances (which basically registers a class that has dependencies).
_gsDefine = window._gsDefine = function(ns, dependencies, func, global) {
return new Definition(ns, dependencies, func, global);
},
//a quick way to create a class that doesn't have any dependencies. Returns the class, but first registers it in the GreenSock namespace so that other classes can grab it (other classes might be dependent on the class).
_class = gs._class = function(ns, func, global) {
func = func || function() {};
_gsDefine(ns, [], function(){ return func; }, global);
return func;
};
_gsDefine.globals = _globals;
/*
* ----------------------------------------------------------------
* Ease
* ----------------------------------------------------------------
*/
var _baseParams = [0, 0, 1, 1],
Ease = _class("easing.Ease", function(func, extraParams, type, power) {
this._func = func;
this._type = type || 0;
this._power = power || 0;
this._params = extraParams ? _baseParams.concat(extraParams) : _baseParams;
}, true),
_easeMap = Ease.map = {},
_easeReg = Ease.register = function(ease, names, types, create) {
var na = names.split(","),
i = na.length,
ta = (types || "easeIn,easeOut,easeInOut").split(","),
e, name, j, type;
while (--i > -1) {
name = na[i];
e = create ? _class("easing."+name, null, true) : gs.easing[name] || {};
j = ta.length;
while (--j > -1) {
type = ta[j];
_easeMap[name + "." + type] = _easeMap[type + name] = e[type] = ease.getRatio ? ease : ease[type] || new ease();
}
}
};
p = Ease.prototype;
p._calcEnd = false;
p.getRatio = function(p) {
if (this._func) {
this._params[0] = p;
return this._func.apply(null, this._params);
}
var t = this._type,
pw = this._power,
r = (t === 1) ? 1 - p : (t === 2) ? p : (p < 0.5) ? p * 2 : (1 - p) * 2;
if (pw === 1) {
r *= r;
} else if (pw === 2) {
r *= r * r;
} else if (pw === 3) {
r *= r * r * r;
} else if (pw === 4) {
r *= r * r * r * r;
}
return (t === 1) ? 1 - r : (t === 2) ? r : (p < 0.5) ? r / 2 : 1 - (r / 2);
};
//create all the standard eases like Linear, Quad, Cubic, Quart, Quint, Strong, Power0, Power1, Power2, Power3, and Power4 (each with easeIn, easeOut, and easeInOut)
a = ["Linear","Quad","Cubic","Quart","Quint,Strong"];
i = a.length;
while (--i > -1) {
p = a[i]+",Power"+i;
_easeReg(new Ease(null,null,1,i), p, "easeOut", true);
_easeReg(new Ease(null,null,2,i), p, "easeIn" + ((i === 0) ? ",easeNone" : ""));
_easeReg(new Ease(null,null,3,i), p, "easeInOut");
}
_easeMap.linear = gs.easing.Linear.easeIn;
_easeMap.swing = gs.easing.Quad.easeInOut; //for jQuery folks
/*
* ----------------------------------------------------------------
* EventDispatcher
* ----------------------------------------------------------------
*/
var EventDispatcher = _class("events.EventDispatcher", function(target) {
this._listeners = {};
this._eventTarget = target || this;
});
p = EventDispatcher.prototype;
p.addEventListener = function(type, callback, scope, useParam, priority) {
priority = priority || 0;
var list = this._listeners[type],
index = 0,
listener, i;
if (this === _ticker && !_tickerActive) {
_ticker.wake();
}
if (list == null) {
this._listeners[type] = list = [];
}
i = list.length;
while (--i > -1) {
listener = list[i];
if (listener.c === callback && listener.s === scope) {
list.splice(i, 1);
} else if (index === 0 && listener.pr < priority) {
index = i + 1;
}
}
list.splice(index, 0, {c:callback, s:scope, up:useParam, pr:priority});
};
p.removeEventListener = function(type, callback) {
var list = this._listeners[type], i;
if (list) {
i = list.length;
while (--i > -1) {
if (list[i].c === callback) {
list.splice(i, 1);
return;
}
}
}
};
p.dispatchEvent = function(type) {
var list = this._listeners[type],
i, t, listener;
if (list) {
i = list.length;
if (i > 1) {
list = list.slice(0); //in case addEventListener() is called from within a listener/callback (otherwise the index could change, resulting in a skip)
}
t = this._eventTarget;
while (--i > -1) {
listener = list[i];
if (listener) {
if (listener.up) {
listener.c.call(listener.s || t, {type:type, target:t});
} else {
listener.c.call(listener.s || t);
}
}
}
}
};
/*
* ----------------------------------------------------------------
* Ticker
* ----------------------------------------------------------------
*/
var _reqAnimFrame = window.requestAnimationFrame,
_cancelAnimFrame = window.cancelAnimationFrame,
_getTime = Date.now || function() {return new Date().getTime();},
_lastUpdate = _getTime();
//now try to determine the requestAnimationFrame and cancelAnimationFrame functions and if none are found, we'll use a setTimeout()/clearTimeout() polyfill.
a = ["ms","moz","webkit","o"];
i = a.length;
while (--i > -1 && !_reqAnimFrame) {
_reqAnimFrame = window[a[i] + "RequestAnimationFrame"];
_cancelAnimFrame = window[a[i] + "CancelAnimationFrame"] || window[a[i] + "CancelRequestAnimationFrame"];
}
_class("Ticker", function(fps, useRAF) {
var _self = this,
_startTime = _getTime(),
_useRAF = (useRAF !== false && _reqAnimFrame) ? "auto" : false,
_lagThreshold = 500,
_adjustedLag = 33,
_tickWord = "tick", //helps reduce gc burden
_fps, _req, _id, _gap, _nextTime,
_tick = function(manual) {
var elapsed = _getTime() - _lastUpdate,
overlap, dispatch;
if (elapsed > _lagThreshold) {
_startTime += elapsed - _adjustedLag;
}
_lastUpdate += elapsed;
_self.time = (_lastUpdate - _startTime) / 1000;
overlap = _self.time - _nextTime;
if (!_fps || overlap > 0 || manual === true) {
_self.frame++;
_nextTime += overlap + (overlap >= _gap ? 0.004 : _gap - overlap);
dispatch = true;
}
if (manual !== true) { //make sure the request is made before we dispatch the "tick" event so that timing is maintained. Otherwise, if processing the "tick" requires a bunch of time (like 15ms) and we're using a setTimeout() that's based on 16.7ms, it'd technically take 31.7ms between frames otherwise.
_id = _req(_tick);
}
if (dispatch) {
_self.dispatchEvent(_tickWord);
}
};
EventDispatcher.call(_self);
_self.time = _self.frame = 0;
_self.tick = function() {
_tick(true);
};
_self.lagSmoothing = function(threshold, adjustedLag) {
_lagThreshold = threshold || (1 / _tinyNum); //zero should be interpreted as basically unlimited
_adjustedLag = Math.min(adjustedLag, _lagThreshold, 0);
};
_self.sleep = function() {
if (_id == null) {
return;
}
if (!_useRAF || !_cancelAnimFrame) {
clearTimeout(_id);
} else {
_cancelAnimFrame(_id);
}
_req = _emptyFunc;
_id = null;
if (_self === _ticker) {
_tickerActive = false;
}
};
_self.wake = function(seamless) {
if (_id !== null) {
_self.sleep();
} else if (seamless) {
_startTime += -_lastUpdate + (_lastUpdate = _getTime());
} else if (_self.frame > 10) { //don't trigger lagSmoothing if we're just waking up, and make sure that at least 10 frames have elapsed because of the iOS bug that we work around below with the 1.5-second setTimout().
_lastUpdate = _getTime() - _lagThreshold + 5;
}
_req = (_fps === 0) ? _emptyFunc : (!_useRAF || !_reqAnimFrame) ? function(f) { return setTimeout(f, ((_nextTime - _self.time) * 1000 + 1) | 0); } : _reqAnimFrame;
if (_self === _ticker) {
_tickerActive = true;
}
_tick(2);
};
_self.fps = function(value) {
if (!arguments.length) {
return _fps;
}
_fps = value;
_gap = 1 / (_fps || 60);
_nextTime = this.time + _gap;
_self.wake();
};
_self.useRAF = function(value) {
if (!arguments.length) {
return _useRAF;
}
_self.sleep();
_useRAF = value;
_self.fps(_fps);
};
_self.fps(fps);
//a bug in iOS 6 Safari occasionally prevents the requestAnimationFrame from working initially, so we use a 1.5-second timeout that automatically falls back to setTimeout() if it senses this condition.
setTimeout(function() {
if (_useRAF === "auto" && _self.frame < 5 && _doc.visibilityState !== "hidden") {
_self.useRAF(false);
}
}, 1500);
});
p = gs.Ticker.prototype = new gs.events.EventDispatcher();
p.constructor = gs.Ticker;
/*
* ----------------------------------------------------------------
* Animation
* ----------------------------------------------------------------
*/
var Animation = _class("core.Animation", function(duration, vars) {
this.vars = vars = vars || {};
this._duration = this._totalDuration = duration || 0;
this._delay = Number(vars.delay) || 0;
this._timeScale = 1;
this._active = (vars.immediateRender === true);
this.data = vars.data;
this._reversed = (vars.reversed === true);
if (!_rootTimeline) {
return;
}
if (!_tickerActive) { //some browsers (like iOS 6 Safari) shut down JavaScript execution when the tab is disabled and they [occasionally] neglect to start up requestAnimationFrame again when returning - this code ensures that the engine starts up again properly.
_ticker.wake();
}
var tl = this.vars.useFrames ? _rootFramesTimeline : _rootTimeline;
tl.add(this, tl._time);
if (this.vars.paused) {
this.paused(true);
}
});
_ticker = Animation.ticker = new gs.Ticker();
p = Animation.prototype;
p._dirty = p._gc = p._initted = p._paused = false;
p._totalTime = p._time = 0;
p._rawPrevTime = -1;
p._next = p._last = p._onUpdate = p._timeline = p.timeline = null;
p._paused = false;
//some browsers (like iOS) occasionally drop the requestAnimationFrame event when the user switches to a different tab and then comes back again, so we use a 2-second setTimeout() to sense if/when that condition occurs and then wake() the ticker.
var _checkTimeout = function() {
if (_tickerActive && _getTime() - _lastUpdate > 2000 && _doc.visibilityState !== "hidden") {
_ticker.wake();
}
var t = setTimeout(_checkTimeout, 2000);
if (t.unref) {
// allows a node process to exit even if the timeout’s callback hasn't been invoked. Without it, the node process could hang as this function is called every two seconds.
t.unref();
}
};
_checkTimeout();
p.play = function(from, suppressEvents) {
if (from != null) {
this.seek(from, suppressEvents);
}
return this.reversed(false).paused(false);
};
p.pause = function(atTime, suppressEvents) {
if (atTime != null) {
this.seek(atTime, suppressEvents);
}
return this.paused(true);
};
p.resume = function(from, suppressEvents) {
if (from != null) {
this.seek(from, suppressEvents);
}
return this.paused(false);
};
p.seek = function(time, suppressEvents) {
return this.totalTime(Number(time), suppressEvents !== false);
};
p.restart = function(includeDelay, suppressEvents) {
return this.reversed(false).paused(false).totalTime(includeDelay ? -this._delay : 0, (suppressEvents !== false), true);
};
p.reverse = function(from, suppressEvents) {
if (from != null) {
this.seek((from || this.totalDuration()), suppressEvents);
}
return this.reversed(true).paused(false);
};
p.render = function(time, suppressEvents, force) {
//stub - we override this method in subclasses.
};
p.invalidate = function() {
this._time = this._totalTime = 0;
this._initted = this._gc = false;
this._rawPrevTime = -1;
if (this._gc || !this.timeline) {
this._enabled(true);
}
return this;
};
p.isActive = function() {
var tl = this._timeline, //the 2 root timelines won't have a _timeline; they're always active.
startTime = this._startTime,
rawTime;
return (!tl || (!this._gc && !this._paused && tl.isActive() && (rawTime = tl.rawTime(true)) >= startTime && rawTime < startTime + this.totalDuration() / this._timeScale - 0.0000001));
};
p._enabled = function (enabled, ignoreTimeline) {
if (!_tickerActive) {
_ticker.wake();
}
this._gc = !enabled;
this._active = this.isActive();
if (ignoreTimeline !== true) {
if (enabled && !this.timeline) {
this._timeline.add(this, this._startTime - this._delay);
} else if (!enabled && this.timeline) {
this._timeline._remove(this, true);
}
}
return false;
};
p._kill = function(vars, target) {
return this._enabled(false, false);
};
p.kill = function(vars, target) {
this._kill(vars, target);
return this;
};
p._uncache = function(includeSelf) {
var tween = includeSelf ? this : this.timeline;
while (tween) {
tween._dirty = true;
tween = tween.timeline;
}
return this;
};
p._swapSelfInParams = function(params) {
var i = params.length,
copy = params.concat();
while (--i > -1) {
if (params[i] === "{self}") {
copy[i] = this;
}
}
return copy;
};
p._callback = function(type) {
var v = this.vars,
callback = v[type],
params = v[type + "Params"],
scope = v[type + "Scope"] || v.callbackScope || this,
l = params ? params.length : 0;
switch (l) { //speed optimization; call() is faster than apply() so use it when there are only a few parameters (which is by far most common). Previously we simply did var v = this.vars; v[type].apply(v[type + "Scope"] || v.callbackScope || this, v[type + "Params"] || _blankArray);
case 0: callback.call(scope); break;
case 1: callback.call(scope, params[0]); break;
case 2: callback.call(scope, params[0], params[1]); break;
default: callback.apply(scope, params);
}
};
//----Animation getters/setters --------------------------------------------------------
p.eventCallback = function(type, callback, params, scope) {
if ((type || "").substr(0,2) === "on") {
var v = this.vars;
if (arguments.length === 1) {
return v[type];
}
if (callback == null) {
delete v[type];
} else {
v[type] = callback;
v[type + "Params"] = (_isArray(params) && params.join("").indexOf("{self}") !== -1) ? this._swapSelfInParams(params) : params;
v[type + "Scope"] = scope;
}
if (type === "onUpdate") {
this._onUpdate = callback;
}
}
return this;
};
p.delay = function(value) {
if (!arguments.length) {
return this._delay;
}
if (this._timeline.smoothChildTiming) {
this.startTime( this._startTime + value - this._delay );
}
this._delay = value;
return this;
};
p.duration = function(value) {
if (!arguments.length) {
this._dirty = false;
return this._duration;
}
this._duration = this._totalDuration = value;
this._uncache(true); //true in case it's a TweenMax or TimelineMax that has a repeat - we'll need to refresh the totalDuration.
if (this._timeline.smoothChildTiming) if (this._time > 0) if (this._time < this._duration) if (value !== 0) {
this.totalTime(this._totalTime * (value / this._duration), true);
}
return this;
};
p.totalDuration = function(value) {
this._dirty = false;
return (!arguments.length) ? this._totalDuration : this.duration(value);
};
p.time = function(value, suppressEvents) {
if (!arguments.length) {
return this._time;
}
if (this._dirty) {
this.totalDuration();
}
return this.totalTime((value > this._duration) ? this._duration : value, suppressEvents);
};
p.totalTime = function(time, suppressEvents, uncapped) {
if (!_tickerActive) {
_ticker.wake();
}
if (!arguments.length) {
return this._totalTime;
}
if (this._timeline) {
if (time < 0 && !uncapped) {
time += this.totalDuration();
}
if (this._timeline.smoothChildTiming) {
if (this._dirty) {
this.totalDuration();
}
var totalDuration = this._totalDuration,
tl = this._timeline;
if (time > totalDuration && !uncapped) {
time = totalDuration;
}
this._startTime = (this._paused ? this._pauseTime : tl._time) - ((!this._reversed ? time : totalDuration - time) / this._timeScale);
if (!tl._dirty) { //for performance improvement. If the parent's cache is already dirty, it already took care of marking the ancestors as dirty too, so skip the function call here.
this._uncache(false);
}
//in case any of the ancestor timelines had completed but should now be enabled, we should reset their totalTime() which will also ensure that they're lined up properly and enabled. Skip for animations that are on the root (wasteful). Example: a TimelineLite.exportRoot() is performed when there's a paused tween on the root, the export will not complete until that tween is unpaused, but imagine a child gets restarted later, after all [unpaused] tweens have completed. The startTime of that child would get pushed out, but one of the ancestors may have completed.
if (tl._timeline) {
while (tl._timeline) {
if (tl._timeline._time !== (tl._startTime + tl._totalTime) / tl._timeScale) {
tl.totalTime(tl._totalTime, true);
}
tl = tl._timeline;
}
}
}
if (this._gc) {
this._enabled(true, false);
}
if (this._totalTime !== time || this._duration === 0) {
if (_lazyTweens.length) {
_lazyRender();
}
this.render(time, suppressEvents, false);
if (_lazyTweens.length) { //in case rendering caused any tweens to lazy-init, we should render them because typically when someone calls seek() or time() or progress(), they expect an immediate render.
_lazyRender();
}
}
}
return this;
};
p.progress = p.totalProgress = function(value, suppressEvents) {
var duration = this.duration();
return (!arguments.length) ? (duration ? this._time / duration : this.ratio) : this.totalTime(duration * value, suppressEvents);
};
p.startTime = function(value) {
if (!arguments.length) {
return this._startTime;
}
if (value !== this._startTime) {
this._startTime = value;
if (this.timeline) if (this.timeline._sortChildren) {
this.timeline.add(this, value - this._delay); //ensures that any necessary re-sequencing of Animations in the timeline occurs to make sure the rendering order is correct.
}
}
return this;
};
p.endTime = function(includeRepeats) {
return this._startTime + ((includeRepeats != false) ? this.totalDuration() : this.duration()) / this._timeScale;
};
p.timeScale = function(value) {
if (!arguments.length) {
return this._timeScale;
}
value = value || _tinyNum; //can't allow zero because it'll throw the math off
if (this._timeline && this._timeline.smoothChildTiming) {
var pauseTime = this._pauseTime,
t = (pauseTime || pauseTime === 0) ? pauseTime : this._timeline.totalTime();
this._startTime = t - ((t - this._startTime) * this._timeScale / value);
}
this._timeScale = value;
return this._uncache(false);
};
p.reversed = function(value) {
if (!arguments.length) {
return this._reversed;
}
if (value != this._reversed) {
this._reversed = value;
this.totalTime(((this._timeline && !this._timeline.smoothChildTiming) ? this.totalDuration() - this._totalTime : this._totalTime), true);
}
return this;
};
p.paused = function(value) {
if (!arguments.length) {
return this._paused;
}
var tl = this._timeline,
raw, elapsed;
if (value != this._paused) if (tl) {
if (!_tickerActive && !value) {
_ticker.wake();
}
raw = tl.rawTime();
elapsed = raw - this._pauseTime;
if (!value && tl.smoothChildTiming) {
this._startTime += elapsed;
this._uncache(false);
}
this._pauseTime = value ? raw : null;
this._paused = value;
this._active = this.isActive();
if (!value && elapsed !== 0 && this._initted && this.duration()) {
raw = tl.smoothChildTiming ? this._totalTime : (raw - this._startTime) / this._timeScale;
this.render(raw, (raw === this._totalTime), true); //in case the target's properties changed via some other tween or manual update by the user, we should force a render.
}
}
if (this._gc && !value) {
this._enabled(true, false);
}
return this;
};
/*
* ----------------------------------------------------------------
* SimpleTimeline
* ----------------------------------------------------------------
*/
var SimpleTimeline = _class("core.SimpleTimeline", function(vars) {
Animation.call(this, 0, vars);
this.autoRemoveChildren = this.smoothChildTiming = true;
});
p = SimpleTimeline.prototype = new Animation();
p.constructor = SimpleTimeline;
p.kill()._gc = false;
p._first = p._last = p._recent = null;
p._sortChildren = false;
p.add = p.insert = function(child, position, align, stagger) {
var prevTween, st;
child._startTime = Number(position || 0) + child._delay;
if (child._paused) if (this !== child._timeline) { //we only adjust the _pauseTime if it wasn't in this timeline already. Remember, sometimes a tween will be inserted again into the same timeline when its startTime is changed so that the tweens in the TimelineLite/Max are re-ordered properly in the linked list (so everything renders in the proper order).
child._pauseTime = child._startTime + ((this.rawTime() - child._startTime) / child._timeScale);
}
if (child.timeline) {
child.timeline._remove(child, true); //removes from existing timeline so that it can be properly added to this one.
}
child.timeline = child._timeline = this;
if (child._gc) {
child._enabled(true, true);
}
prevTween = this._last;
if (this._sortChildren) {
st = child._startTime;
while (prevTween && prevTween._startTime > st) {
prevTween = prevTween._prev;
}
}
if (prevTween) {
child._next = prevTween._next;
prevTween._next = child;
} else {
child._next = this._first;
this._first = child;
}
if (child._next) {
child._next._prev = child;
} else {
this._last = child;
}
child._prev = prevTween;
this._recent = child;
if (this._timeline) {
this._uncache(true);
}
return this;
};
p._remove = function(tween, skipDisable) {
if (tween.timeline === this) {
if (!skipDisable) {
tween._enabled(false, true);
}
if (tween._prev) {
tween._prev._next = tween._next;
} else if (this._first === tween) {
this._first = tween._next;
}
if (tween._next) {
tween._next._prev = tween._prev;
} else if (this._last === tween) {
this._last = tween._prev;
}
tween._next = tween._prev = tween.timeline = null;
if (tween === this._recent) {
this._recent = this._last;
}
if (this._timeline) {
this._uncache(true);
}
}
return this;
};
p.render = function(time, suppressEvents, force) {
var tween = this._first,
next;
this._totalTime = this._time = this._rawPrevTime = time;
while (tween) {
next = tween._next; //record it here because the value could change after rendering...
if (tween._active || (time >= tween._startTime && !tween._paused && !tween._gc)) {
if (!tween._reversed) {
tween.render((time - tween._startTime) * tween._timeScale, suppressEvents, force);
} else {
tween.render(((!tween._dirty) ? tween._totalDuration : tween.totalDuration()) - ((time - tween._startTime) * tween._timeScale), suppressEvents, force);
}
}
tween = next;
}
};
p.rawTime = function() {
if (!_tickerActive) {
_ticker.wake();
}
return this._totalTime;
};
/*
* ----------------------------------------------------------------
* TweenLite
* ----------------------------------------------------------------
*/
var TweenLite = _class("TweenLite", function(target, duration, vars) {
Animation.call(this, duration, vars);
this.render = TweenLite.prototype.render; //speed optimization (avoid prototype lookup on this "hot" method)
if (target == null) {
throw "Cannot tween a null target.";
}
this.target = target = (typeof(target) !== "string") ? target : TweenLite.selector(target) || target;
var isSelector = (target.jquery || (target.length && target !== window && target[0] && (target[0] === window || (target[0].nodeType && target[0].style && !target.nodeType)))),
overwrite = this.vars.overwrite,
i, targ, targets;
this._overwrite = overwrite = (overwrite == null) ? _overwriteLookup[TweenLite.defaultOverwrite] : (typeof(overwrite) === "number") ? overwrite >> 0 : _overwriteLookup[overwrite];
if ((isSelector || target instanceof Array || (target.push && _isArray(target))) && typeof(target[0]) !== "number") {
this._targets = targets = _slice(target); //don't use Array.prototype.slice.call(target, 0) because that doesn't work in IE8 with a NodeList that's returned by querySelectorAll()
this._propLookup = [];
this._siblings = [];
for (i = 0; i < targets.length; i++) {
targ = targets[i];
if (!targ) {
targets.splice(i--, 1);
continue;
} else if (typeof(targ) === "string") {
targ = targets[i--] = TweenLite.selector(targ); //in case it's an array of strings
if (typeof(targ) === "string") {
targets.splice(i+1, 1); //to avoid an endless loop (can't imagine why the selector would return a string, but just in case)
}
continue;
} else if (targ.length && targ !== window && targ[0] && (targ[0] === window || (targ[0].nodeType && targ[0].style && !targ.nodeType))) { //in case the user is passing in an array of selector objects (like jQuery objects), we need to check one more level and pull things out if necessary. Also note that <select> elements pass all the criteria regarding length and the first child having style, so we must also check to ensure the target isn't an HTML node itself.
targets.splice(i--, 1);
this._targets = targets = targets.concat(_slice(targ));
continue;
}
this._siblings[i] = _register(targ, this, false);
if (overwrite === 1) if (this._siblings[i].length > 1) {
_applyOverwrite(targ, this, null, 1, this._siblings[i]);
}
}
} else {
this._propLookup = {};
this._siblings = _register(target, this, false);
if (overwrite === 1) if (this._siblings.length > 1) {
_applyOverwrite(target, this, null, 1, this._siblings);
}
}
if (this.vars.immediateRender || (duration === 0 && this._delay === 0 && this.vars.immediateRender !== false)) {
this._time = -_tinyNum; //forces a render without having to set the render() "force" parameter to true because we want to allow lazying by default (using the "force" parameter always forces an immediate full render)
this.render(Math.min(0, -this._delay)); //in case delay is negative
}
}, true),
_isSelector = function(v) {
return (v && v.length && v !== window && v[0] && (v[0] === window || (v[0].nodeType && v[0].style && !v.nodeType))); //we cannot check "nodeType" if the target is window from within an iframe, otherwise it will trigger a security error in some browsers like Firefox.
},
_autoCSS = function(vars, target) {
var css = {},
p;
for (p in vars) {
if (!_reservedProps[p] && (!(p in target) || p === "transform" || p === "x" || p === "y" || p === "width" || p === "height" || p === "className" || p === "border") && (!_plugins[p] || (_plugins[p] && _plugins[p]._autoCSS))) { //note: <img> elements contain read-only "x" and "y" properties. We should also prioritize editing css width/height rather than the element's properties.
css[p] = vars[p];
delete vars[p];
}
}
vars.css = css;
};
p = TweenLite.prototype = new Animation();
p.constructor = TweenLite;
p.kill()._gc = false;
//----TweenLite defaults, overwrite management, and root updates ----------------------------------------------------
p.ratio = 0;
p._firstPT = p._targets = p._overwrittenProps = p._startAt = null;
p._notifyPluginsOfEnabled = p._lazy = false;
TweenLite.version = "1.20.2";
TweenLite.defaultEase = p._ease = new Ease(null, null, 1, 1);
TweenLite.defaultOverwrite = "auto";
TweenLite.ticker = _ticker;
TweenLite.autoSleep = 120;
TweenLite.lagSmoothing = function(threshold, adjustedLag) {
_ticker.lagSmoothing(threshold, adjustedLag);
};
TweenLite.selector = window.$ || window.jQuery || function(e) {
var selector = window.$ || window.jQuery;
if (selector) {
TweenLite.selector = selector;
return selector(e);
}
return (typeof(_doc) === "undefined") ? e : (_doc.querySelectorAll ? _doc.querySelectorAll(e) : _doc.getElementById((e.charAt(0) === "#") ? e.substr(1) : e));
};
var _lazyTweens = [],
_lazyLookup = {},
_numbersExp = /(?:(-|-=|\+=)?\d*\.?\d*(?:e[\-+]?\d+)?)[0-9]/ig,
_relExp = /[\+-]=-?[\.\d]/,
//_nonNumbersExp = /(?:([\-+](?!(\d|=)))|[^\d\-+=e]|(e(?![\-+][\d])))+/ig,
_setRatio = function(v) {
var pt = this._firstPT,
min = 0.000001,
val;
while (pt) {
val = !pt.blob ? pt.c * v + pt.s : (v === 1 && this.end) ? this.end : v ? this.join("") : this.start;
if (pt.m) {
val = pt.m(val, this._target || pt.t);
} else if (val < min) if (val > -min && !pt.blob) { //prevents issues with converting very small numbers to strings in the browser
val = 0;
}
if (!pt.f) {
pt.t[pt.p] = val;
} else if (pt.fp) {
pt.t[pt.p](pt.fp, val);
} else {
pt.t[pt.p](val);
}
pt = pt._next;
}
},
//compares two strings (start/end), finds the numbers that are different and spits back an array representing the whole value but with the changing values isolated as elements. For example, "rgb(0,0,0)" and "rgb(100,50,0)" would become ["rgb(", 0, ",", 50, ",0)"]. Notice it merges the parts that are identical (performance optimization). The array also has a linked list of PropTweens attached starting with _firstPT that contain the tweening data (t, p, s, c, f, etc.). It also stores the starting value as a "start" property so that we can revert to it if/when necessary, like when a tween rewinds fully. If the quantity of numbers differs between the start and end, it will always prioritize the end value(s). The pt parameter is optional - it's for a PropTween that will be appended to the end of the linked list and is typically for actually setting the value after all of the elements have been updated (with array.join("")).
_blobDif = function(start, end, filter, pt) {
var a = [],
charIndex = 0,
s = "",
color = 0,
startNums, endNums, num, i, l, nonNumbers, currentNum;
a.start = start;
a.end = end;
start = a[0] = start + ""; //ensure values are strings
end = a[1] = end + "";
if (filter) {
filter(a); //pass an array with the starting and ending values and let the filter do whatever it needs to the values.
start = a[0];
end = a[1];
}
a.length = 0;
startNums = start.match(_numbersExp) || [];
endNums = end.match(_numbersExp) || [];
if (pt) {
pt._next = null;
pt.blob = 1;
a._firstPT = a._applyPT = pt; //apply last in the linked list (which means inserting it first)
}
l = endNums.length;
for (i = 0; i < l; i++) {
currentNum = endNums[i];
nonNumbers = end.substr(charIndex, end.indexOf(currentNum, charIndex)-charIndex);
s += (nonNumbers || !i) ? nonNumbers : ","; //note: SVG spec allows omission of comma/space when a negative sign is wedged between two numbers, like 2.5-5.3 instead of 2.5,-5.3 but when tweening, the negative value may switch to positive, so we insert the comma just in case.
charIndex += nonNumbers.length;
if (color) { //sense rgba() values and round them.
color = (color + 1) % 5;
} else if (nonNumbers.substr(-5) === "rgba(") {
color = 1;
}
if (currentNum === startNums[i] || startNums.length <= i) {
s += currentNum;
} else {
if (s) {
a.push(s);
s = "";
}
num = parseFloat(startNums[i]);
a.push(num);
a._firstPT = {_next: a._firstPT, t:a, p: a.length-1, s:num, c:((currentNum.charAt(1) === "=") ? parseInt(currentNum.charAt(0) + "1", 10) * parseFloat(currentNum.substr(2)) : (parseFloat(currentNum) - num)) || 0, f:0, m:(color && color < 4) ? Math.round : 0};
//note: we don't set _prev because we'll never need to remove individual PropTweens from this list.
}
charIndex += currentNum.length;
}
s += end.substr(charIndex);
if (s) {
a.push(s);
}
a.setRatio = _setRatio;
if (_relExp.test(end)) { //if the end string contains relative values, delete it so that on the final render (in _setRatio()), we don't actually set it to the string with += or -= characters (forces it to use the calculated value).
a.end = 0;
}
return a;
},
//note: "funcParam" is only necessary for function-based getters/setters that require an extra parameter like getAttribute("width") and setAttribute("width", value). In this example, funcParam would be "width". Used by AttrPlugin for example.
_addPropTween = function(target, prop, start, end, overwriteProp, mod, funcParam, stringFilter, index) {
if (typeof(end) === "function") {
end = end(index || 0, target);
}
var type = typeof(target[prop]),
getterName = (type !== "function") ? "" : ((prop.indexOf("set") || typeof(target["get" + prop.substr(3)]) !== "function") ? prop : "get" + prop.substr(3)),
s = (start !== "get") ? start : !getterName ? target[prop] : funcParam ? target[getterName](funcParam) : target[getterName](),
isRelative = (typeof(end) === "string" && end.charAt(1) === "="),
pt = {t:target, p:prop, s:s, f:(type === "function"), pg:0, n:overwriteProp || prop, m:(!mod ? 0 : (typeof(mod) === "function") ? mod : Math.round), pr:0, c:isRelative ? parseInt(end.charAt(0) + "1", 10) * parseFloat(end.substr(2)) : (parseFloat(end) - s) || 0},
blob;
if (typeof(s) !== "number" || (typeof(end) !== "number" && !isRelative)) {
if (funcParam || isNaN(s) || (!isRelative && isNaN(end)) || typeof(s) === "boolean" || typeof(end) === "boolean") {
//a blob (string that has multiple numbers in it)
pt.fp = funcParam;
blob = _blobDif(s, (isRelative ? parseFloat(pt.s) + pt.c : end), stringFilter || TweenLite.defaultStringFilter, pt);
pt = {t: blob, p: "setRatio", s: 0, c: 1, f: 2, pg: 0, n: overwriteProp || prop, pr: 0, m: 0}; //"2" indicates it's a Blob property tween. Needed for RoundPropsPlugin for example.
} else {
pt.s = parseFloat(s);
if (!isRelative) {
pt.c = (parseFloat(end) - pt.s) || 0;
}
}
}
if (pt.c) { //only add it to the linked list if there's a change.
if ((pt._next = this._firstPT)) {
pt._next._prev = pt;
}
this._firstPT = pt;
return pt;
}
},
_internals = TweenLite._internals = {isArray:_isArray, isSelector:_isSelector, lazyTweens:_lazyTweens, blobDif:_blobDif}, //gives us a way to expose certain private values to other GreenSock classes without contaminating tha main TweenLite object.
_plugins = TweenLite._plugins = {},
_tweenLookup = _internals.tweenLookup = {},
_tweenLookupNum = 0,
_reservedProps = _internals.reservedProps = {ease:1, delay:1, overwrite:1, onComplete:1, onCompleteParams:1, onCompleteScope:1, useFrames:1, runBackwards:1, startAt:1, onUpdate:1, onUpdateParams:1, onUpdateScope:1, onStart:1, onStartParams:1, onStartScope:1, onReverseComplete:1, onReverseCompleteParams:1, onReverseCompleteScope:1, onRepeat:1, onRepeatParams:1, onRepeatScope:1, easeParams:1, yoyo:1, immediateRender:1, repeat:1, repeatDelay:1, data:1, paused:1, reversed:1, autoCSS:1, lazy:1, onOverwrite:1, callbackScope:1, stringFilter:1, id:1, yoyoEase:1},
_overwriteLookup = {none:0, all:1, auto:2, concurrent:3, allOnStart:4, preexisting:5, "true":1, "false":0},
_rootFramesTimeline = Animation._rootFramesTimeline = new SimpleTimeline(),
_rootTimeline = Animation._rootTimeline = new SimpleTimeline(),
_nextGCFrame = 30,
_lazyRender = _internals.lazyRender = function() {
var i = _lazyTweens.length,
tween;
_lazyLookup = {};
while (--i > -1) {
tween = _lazyTweens[i];
if (tween && tween._lazy !== false) {
tween.render(tween._lazy[0], tween._lazy[1], true);
tween._lazy = false;
}
}
_lazyTweens.length = 0;
};
_rootTimeline._startTime = _ticker.time;
_rootFramesTimeline._startTime = _ticker.frame;
_rootTimeline._active = _rootFramesTimeline._active = true;
setTimeout(_lazyRender, 1); //on some mobile devices, there isn't a "tick" before code runs which means any lazy renders wouldn't run before the next official "tick".
Animation._updateRoot = TweenLite.render = function() {
var i, a, p;
if (_lazyTweens.length) { //if code is run outside of the requestAnimationFrame loop, there may be tweens queued AFTER the engine refreshed, so we need to ensure any pending renders occur before we refresh again.
_lazyRender();
}
_rootTimeline.render((_ticker.time - _rootTimeline._startTime) * _rootTimeline._timeScale, false, false);
_rootFramesTimeline.render((_ticker.frame - _rootFramesTimeline._startTime) * _rootFramesTimeline._timeScale, false, false);
if (_lazyTweens.length) {
_lazyRender();
}
if (_ticker.frame >= _nextGCFrame) { //dump garbage every 120 frames or whatever the user sets TweenLite.autoSleep to
_nextGCFrame = _ticker.frame + (parseInt(TweenLite.autoSleep, 10) || 120);
for (p in _tweenLookup) {
a = _tweenLookup[p].tweens;
i = a.length;
while (--i > -1) {
if (a[i]._gc) {
a.splice(i, 1);
}
}
if (a.length === 0) {
delete _tweenLookup[p];
}
}
//if there are no more tweens in the root timelines, or if they're all paused, make the _timer sleep to reduce load on the CPU slightly
p = _rootTimeline._first;
if (!p || p._paused) if (TweenLite.autoSleep && !_rootFramesTimeline._first && _ticker._listeners.tick.length === 1) {
while (p && p._paused) {
p = p._next;
}
if (!p) {
_ticker.sleep();
}
}
}
};
_ticker.addEventListener("tick", Animation._updateRoot);
var _register = function(target, tween, scrub) {
var id = target._gsTweenID, a, i;
if (!_tweenLookup[id || (target._gsTweenID = id = "t" + (_tweenLookupNum++))]) {
_tweenLookup[id] = {target:target, tweens:[]};
}
if (tween) {
a = _tweenLookup[id].tweens;
a[(i = a.length)] = tween;
if (scrub) {
while (--i > -1) {
if (a[i] === tween) {
a.splice(i, 1);
}
}
}
}
return _tweenLookup[id].tweens;
},
_onOverwrite = function(overwrittenTween, overwritingTween, target, killedProps) {
var func = overwrittenTween.vars.onOverwrite, r1, r2;
if (func) {
r1 = func(overwrittenTween, overwritingTween, target, killedProps);
}
func = TweenLite.onOverwrite;
if (func) {
r2 = func(overwrittenTween, overwritingTween, target, killedProps);
}
return (r1 !== false && r2 !== false);
},
_applyOverwrite = function(target, tween, props, mode, siblings) {
var i, changed, curTween, l;
if (mode === 1 || mode >= 4) {
l = siblings.length;
for (i = 0; i < l; i++) {
if ((curTween = siblings[i]) !== tween) {
if (!curTween._gc) {
if (curTween._kill(null, target, tween)) {
changed = true;
}
}
} else if (mode === 5) {
break;
}
}
return changed;
}
//NOTE: Add 0.0000000001 to overcome floating point errors that can cause the startTime to be VERY slightly off (when a tween's time() is set for example)
var startTime = tween._startTime + _tinyNum,
overlaps = [],
oCount = 0,
zeroDur = (tween._duration === 0),
globalStart;
i = siblings.length;
while (--i > -1) {
if ((curTween = siblings[i]) === tween || curTween._gc || curTween._paused) {
//ignore
} else if (curTween._timeline !== tween._timeline) {
globalStart = globalStart || _checkOverlap(tween, 0, zeroDur);
if (_checkOverlap(curTween, globalStart, zeroDur) === 0) {
overlaps[oCount++] = curTween;
}
} else if (curTween._startTime <= startTime) if (curTween._startTime + curTween.totalDuration() / curTween._timeScale > startTime) if (!((zeroDur || !curTween._initted) && startTime - curTween._startTime <= 0.0000000002)) {
overlaps[oCount++] = curTween;
}
}
i = oCount;
while (--i > -1) {
curTween = overlaps[i];
if (mode === 2) if (curTween._kill(props, target, tween)) {
changed = true;
}
if (mode !== 2 || (!curTween._firstPT && curTween._initted)) {
if (mode !== 2 && !_onOverwrite(curTween, tween)) {
continue;
}
if (curTween._enabled(false, false)) { //if all property tweens have been overwritten, kill the tween.
changed = true;
}
}
}
return changed;
},
_checkOverlap = function(tween, reference, zeroDur) {
var tl = tween._timeline,
ts = tl._timeScale,
t = tween._startTime;
while (tl._timeline) {
t += tl._startTime;
ts *= tl._timeScale;
if (tl._paused) {
return -100;
}
tl = tl._timeline;
}
t /= ts;
return (t > reference) ? t - reference : ((zeroDur && t === reference) || (!tween._initted && t - reference < 2 * _tinyNum)) ? _tinyNum : ((t += tween.totalDuration() / tween._timeScale / ts) > reference + _tinyNum) ? 0 : t - reference - _tinyNum;
};
//---- TweenLite instance methods -----------------------------------------------------------------------------
p._init = function() {
var v = this.vars,
op = this._overwrittenProps,
dur = this._duration,
immediate = !!v.immediateRender,
ease = v.ease,
i, initPlugins, pt, p, startVars, l;
if (v.startAt) {
if (this._startAt) {
this._startAt.render(-1, true); //if we've run a startAt previously (when the tween instantiated), we should revert it so that the values re-instantiate correctly particularly for relative tweens. Without this, a TweenLite.fromTo(obj, 1, {x:"+=100"}, {x:"-=100"}), for example, would actually jump to +=200 because the startAt would run twice, doubling the relative change.
this._startAt.kill();
}
startVars = {};
for (p in v.startAt) { //copy the properties/values into a new object to avoid collisions, like var to = {x:0}, from = {x:500}; timeline.fromTo(e, 1, from, to).fromTo(e, 1, to, from);
startVars[p] = v.startAt[p];
}
startVars.overwrite = false;
startVars.immediateRender = true;
startVars.lazy = (immediate && v.lazy !== false);
startVars.startAt = startVars.delay = null; //no nesting of startAt objects allowed (otherwise it could cause an infinite loop).
startVars.onUpdate = v.onUpdate;
startVars.onUpdateScope = v.onUpdateScope || v.callbackScope || this;
this._startAt = TweenLite.to(this.target, 0, startVars);
if (immediate) {
if (this._time > 0) {
this._startAt = null; //tweens that render immediately (like most from() and fromTo() tweens) shouldn't revert when their parent timeline's playhead goes backward past the startTime because the initial render could have happened anytime and it shouldn't be directly correlated to this tween's startTime. Imagine setting up a complex animation where the beginning states of various objects are rendered immediately but the tween doesn't happen for quite some time - if we revert to the starting values as soon as the playhead goes backward past the tween's startTime, it will throw things off visually. Reversion should only happen in TimelineLite/Max instances where immediateRender was false (which is the default in the convenience methods like from()).
} else if (dur !== 0) {
return; //we skip initialization here so that overwriting doesn't occur until the tween actually begins. Otherwise, if you create several immediateRender:true tweens of the same target/properties to drop into a TimelineLite or TimelineMax, the last one created would overwrite the first ones because they didn't get placed into the timeline yet before the first render occurs and kicks in overwriting.
}
}
} else if (v.runBackwards && dur !== 0) {
//from() tweens must be handled uniquely: their beginning values must be rendered but we don't want overwriting to occur yet (when time is still 0). Wait until the tween actually begins before doing all the routines like overwriting. At that time, we should render at the END of the tween to ensure that things initialize correctly (remember, from() tweens go backwards)
if (this._startAt) {
this._startAt.render(-1, true);
this._startAt.kill();
this._startAt = null;
} else {
if (this._time !== 0) { //in rare cases (like if a from() tween runs and then is invalidate()-ed), immediateRender could be true but the initial forced-render gets skipped, so there's no need to force the render in this context when the _time is greater than 0
immediate = false;
}
pt = {};
for (p in v) { //copy props into a new object and skip any reserved props, otherwise onComplete or onUpdate or onStart could fire. We should, however, permit autoCSS to go through.
if (!_reservedProps[p] || p === "autoCSS") {
pt[p] = v[p];
}
}
pt.overwrite = 0;
pt.data = "isFromStart"; //we tag the tween with as "isFromStart" so that if [inside a plugin] we need to only do something at the very END of a tween, we have a way of identifying this tween as merely the one that's setting the beginning values for a "from()" tween. For example, clearProps in CSSPlugin should only get applied at the very END of a tween and without this tag, from(...{height:100, clearProps:"height", delay:1}) would wipe the height at the beginning of the tween and after 1 second, it'd kick back in.
pt.lazy = (immediate && v.lazy !== false);
pt.immediateRender = immediate; //zero-duration tweens render immediately by default, but if we're not specifically instructed to render this tween immediately, we should skip this and merely _init() to record the starting values (rendering them immediately would push them to completion which is wasteful in that case - we'd have to render(-1) immediately after)
this._startAt = TweenLite.to(this.target, 0, pt);
if (!immediate) {
this._startAt._init(); //ensures that the initial values are recorded
this._startAt._enabled(false); //no need to have the tween render on the next cycle. Disable it because we'll always manually control the renders of the _startAt tween.
if (this.vars.immediateRender) {
this._startAt = null;
}
} else if (this._time === 0) {
return;
}
}
}
this._ease = ease = (!ease) ? TweenLite.defaultEase : (ease instanceof Ease) ? ease : (typeof(ease) === "function") ? new Ease(ease, v.easeParams) : _easeMap[ease] || TweenLite.defaultEase;
if (v.easeParams instanceof Array && ease.config) {
this._ease = ease.config.apply(ease, v.easeParams);
}
this._easeType = this._ease._type;
this._easePower = this._ease._power;
this._firstPT = null;
if (this._targets) {
l = this._targets.length;
for (i = 0; i < l; i++) {
if ( this._initProps( this._targets[i], (this._propLookup[i] = {}), this._siblings[i], (op ? op[i] : null), i) ) {
initPlugins = true;
}
}
} else {
initPlugins = this._initProps(this.target, this._propLookup, this._siblings, op, 0);
}
if (initPlugins) {
TweenLite._onPluginEvent("_onInitAllProps", this); //reorders the array in order of priority. Uses a static TweenPlugin method in order to minimize file size in TweenLite
}
if (op) if (!this._firstPT) if (typeof(this.target) !== "function") { //if all tweening properties have been overwritten, kill the tween. If the target is a function, it's probably a delayedCall so let it live.
this._enabled(false, false);
}
if (v.runBackwards) {
pt = this._firstPT;
while (pt) {
pt.s += pt.c;
pt.c = -pt.c;
pt = pt._next;
}
}
this._onUpdate = v.onUpdate;
this._initted = true;
};
p._initProps = function(target, propLookup, siblings, overwrittenProps, index) {
var p, i, initPlugins, plugin, pt, v;
if (target == null) {
return false;
}
if (_lazyLookup[target._gsTweenID]) {
_lazyRender(); //if other tweens of the same target have recently initted but haven't rendered yet, we've got to force the render so that the starting values are correct (imagine populating a timeline with a bunch of sequential tweens and then jumping to the end)
}
if (!this.vars.css) if (target.style) if (target !== window && target.nodeType) if (_plugins.css) if (this.vars.autoCSS !== false) { //it's so common to use TweenLite/Max to animate the css of DOM elements, we assume that if the target is a DOM element, that's what is intended (a convenience so that users don't have to wrap things in css:{}, although we still recommend it for a slight performance boost and better specificity). Note: we cannot check "nodeType" on the window inside an iframe.
_autoCSS(this.vars, target);
}
for (p in this.vars) {
v = this.vars[p];
if (_reservedProps[p]) {
if (v) if ((v instanceof Array) || (v.push && _isArray(v))) if (v.join("").indexOf("{self}") !== -1) {
this.vars[p] = v = this._swapSelfInParams(v, this);
}
} else if (_plugins[p] && (plugin = new _plugins[p]())._onInitTween(target, this.vars[p], this, index)) {
//t - target [object]
//p - property [string]
//s - start [number]
//c - change [number]
//f - isFunction [boolean]
//n - name [string]
//pg - isPlugin [boolean]
//pr - priority [number]
//m - mod [function | 0]
this._firstPT = pt = {_next:this._firstPT, t:plugin, p:"setRatio", s:0, c:1, f:1, n:p, pg:1, pr:plugin._priority, m:0};
i = plugin._overwriteProps.length;
while (--i > -1) {
propLookup[plugin._overwriteProps[i]] = this._firstPT;
}
if (plugin._priority || plugin._onInitAllProps) {
initPlugins = true;
}
if (plugin._onDisable || plugin._onEnable) {
this._notifyPluginsOfEnabled = true;
}
if (pt._next) {
pt._next._prev = pt;
}
} else {
propLookup[p] = _addPropTween.call(this, target, p, "get", v, p, 0, null, this.vars.stringFilter, index);
}
}
if (overwrittenProps) if (this._kill(overwrittenProps, target)) { //another tween may have tried to overwrite properties of this tween before init() was called (like if two tweens start at the same time, the one created second will run first)
return this._initProps(target, propLookup, siblings, overwrittenProps, index);
}
if (this._overwrite > 1) if (this._firstPT) if (siblings.length > 1) if (_applyOverwrite(target, this, propLookup, this._overwrite, siblings)) {
this._kill(propLookup, target);
return this._initProps(target, propLookup, siblings, overwrittenProps, index);
}
if (this._firstPT) if ((this.vars.lazy !== false && this._duration) || (this.vars.lazy && !this._duration)) { //zero duration tweens don't lazy render by default; everything else does.
_lazyLookup[target._gsTweenID] = true;
}
return initPlugins;
};
p.render = function(time, suppressEvents, force) {
var prevTime = this._time,
duration = this._duration,
prevRawPrevTime = this._rawPrevTime,
isComplete, callback, pt, rawPrevTime;
if (time >= duration - 0.0000001 && time >= 0) { //to work around occasional floating point math artifacts.
this._totalTime = this._time = duration;
this.ratio = this._ease._calcEnd ? this._ease.getRatio(1) : 1;
if (!this._reversed ) {
isComplete = true;
callback = "onComplete";
force = (force || this._timeline.autoRemoveChildren); //otherwise, if the animation is unpaused/activated after it's already finished, it doesn't get removed from the parent timeline.
}
if (duration === 0) if (this._initted || !this.vars.lazy || force) { //zero-duration tweens are tricky because we must discern the momentum/direction of time in order to determine whether the starting values should be rendered or the ending values. If the "playhead" of its timeline goes past the zero-duration tween in the forward direction or lands directly on it, the end values should be rendered, but if the timeline's "playhead" moves past it in the backward direction (from a postitive time to a negative time), the starting values must be rendered.
if (this._startTime === this._timeline._duration) { //if a zero-duration tween is at the VERY end of a timeline and that timeline renders at its end, it will typically add a tiny bit of cushion to the render time to prevent rounding errors from getting in the way of tweens rendering their VERY end. If we then reverse() that timeline, the zero-duration tween will trigger its onReverseComplete even though technically the playhead didn't pass over it again. It's a very specific edge case we must accommodate.
time = 0;
}
if (prevRawPrevTime < 0 || (time <= 0 && time >= -0.0000001) || (prevRawPrevTime === _tinyNum && this.data !== "isPause")) if (prevRawPrevTime !== time) { //note: when this.data is "isPause", it's a callback added by addPause() on a timeline that we should not be triggered when LEAVING its exact start time. In other words, tl.addPause(1).play(1) shouldn't pause.
force = true;
if (prevRawPrevTime > _tinyNum) {
callback = "onReverseComplete";
}
}
this._rawPrevTime = rawPrevTime = (!suppressEvents || time || prevRawPrevTime === time) ? time : _tinyNum; //when the playhead arrives at EXACTLY time 0 (right on top) of a zero-duration tween, we need to discern if events are suppressed so that when the playhead moves again (next time), it'll trigger the callback. If events are NOT suppressed, obviously the callback would be triggered in this render. Basically, the callback should fire either when the playhead ARRIVES or LEAVES this exact spot, not both. Imagine doing a timeline.seek(0) and there's a callback that sits at 0. Since events are suppressed on that seek() by default, nothing will fire, but when the playhead moves off of that position, the callback should fire. This behavior is what people intuitively expect. We set the _rawPrevTime to be a precise tiny number to indicate this scenario rather than using another property/variable which would increase memory usage. This technique is less readable, but more efficient.
}
} else if (time < 0.0000001) { //to work around occasional floating point math artifacts, round super small values to 0.
this._totalTime = this._time = 0;
this.ratio = this._ease._calcEnd ? this._ease.getRatio(0) : 0;
if (prevTime !== 0 || (duration === 0 && prevRawPrevTime > 0)) {
callback = "onReverseComplete";
isComplete = this._reversed;
}
if (time < 0) {
this._active = false;
if (duration === 0) if (this._initted || !this.vars.lazy || force) { //zero-duration tweens are tricky because we must discern the momentum/direction of time in order to determine whether the starting values should be rendered or the ending values. If the "playhead" of its timeline goes past the zero-duration tween in the forward direction or lands directly on it, the end values should be rendered, but if the timeline's "playhead" moves past it in the backward direction (from a postitive time to a negative time), the starting values must be rendered.
if (prevRawPrevTime >= 0 && !(prevRawPrevTime === _tinyNum && this.data === "isPause")) {
force = true;
}
this._rawPrevTime = rawPrevTime = (!suppressEvents || time || prevRawPrevTime === time) ? time : _tinyNum; //when the playhead arrives at EXACTLY time 0 (right on top) of a zero-duration tween, we need to discern if events are suppressed so that when the playhead moves again (next time), it'll trigger the callback. If events are NOT suppressed, obviously the callback would be triggered in this render. Basically, the callback should fire either when the playhead ARRIVES or LEAVES this exact spot, not both. Imagine doing a timeline.seek(0) and there's a callback that sits at 0. Since events are suppressed on that seek() by default, nothing will fire, but when the playhead moves off of that position, the callback should fire. This behavior is what people intuitively expect. We set the _rawPrevTime to be a precise tiny number to indicate this scenario rather than using another property/variable which would increase memory usage. This technique is less readable, but more efficient.
}
}
if (!this._initted || (this._startAt && this._startAt.progress())) { //if we render the very beginning (time == 0) of a fromTo(), we must force the render (normal tweens wouldn't need to render at a time of 0 when the prevTime was also 0). This is also mandatory to make sure overwriting kicks in immediately. Also, we check progress() because if startAt has already rendered at its end, we should force a render at its beginning. Otherwise, if you put the playhead directly on top of where a fromTo({immediateRender:false}) starts, and then move it backwards, the from() won't revert its values.
force = true;
}
} else {
this._totalTime = this._time = time;
if (this._easeType) {
var r = time / duration, type = this._easeType, pow = this._easePower;
if (type === 1 || (type === 3 && r >= 0.5)) {
r = 1 - r;
}
if (type === 3) {
r *= 2;
}
if (pow === 1) {
r *= r;
} else if (pow === 2) {
r *= r * r;
} else if (pow === 3) {
r *= r * r * r;
} else if (pow === 4) {
r *= r * r * r * r;
}
if (type === 1) {
this.ratio = 1 - r;
} else if (type === 2) {
this.ratio = r;
} else if (time / duration < 0.5) {
this.ratio = r / 2;
} else {
this.ratio = 1 - (r / 2);
}
} else {
this.ratio = this._ease.getRatio(time / duration);
}
}
if (this._time === prevTime && !force) {
return;
} else if (!this._initted) {
this._init();
if (!this._initted || this._gc) { //immediateRender tweens typically won't initialize until the playhead advances (_time is greater than 0) in order to ensure that overwriting occurs properly. Also, if all of the tweening properties have been overwritten (which would cause _gc to be true, as set in _init()), we shouldn't continue otherwise an onStart callback could be called for example.
return;
} else if (!force && this._firstPT && ((this.vars.lazy !== false && this._duration) || (this.vars.lazy && !this._duration))) {
this._time = this._totalTime = prevTime;
this._rawPrevTime = prevRawPrevTime;
_lazyTweens.push(this);
this._lazy = [time, suppressEvents];
return;
}
//_ease is initially set to defaultEase, so now that init() has run, _ease is set properly and we need to recalculate the ratio. Overall this is faster than using conditional logic earlier in the method to avoid having to set ratio twice because we only init() once but renderTime() gets called VERY frequently.
if (this._time && !isComplete) {
this.ratio = this._ease.getRatio(this._time / duration);
} else if (isComplete && this._ease._calcEnd) {
this.ratio = this._ease.getRatio((this._time === 0) ? 0 : 1);
}
}
if (this._lazy !== false) { //in case a lazy render is pending, we should flush it because the new render is occurring now (imagine a lazy tween instantiating and then immediately the user calls tween.seek(tween.duration()), skipping to the end - the end render would be forced, and then if we didn't flush the lazy render, it'd fire AFTER the seek(), rendering it at the wrong time.
this._lazy = false;
}
if (!this._active) if (!this._paused && this._time !== prevTime && time >= 0) {
this._active = true; //so that if the user renders a tween (as opposed to the timeline rendering it), the timeline is forced to re-render and align it with the proper time/frame on the next rendering cycle. Maybe the tween already finished but the user manually re-renders it as halfway done.
}
if (prevTime === 0) {
if (this._startAt) {
if (time >= 0) {
this._startAt.render(time, suppressEvents, force);
} else if (!callback) {
callback = "_dummyGS"; //if no callback is defined, use a dummy value just so that the condition at the end evaluates as true because _startAt should render AFTER the normal render loop when the time is negative. We could handle this in a more intuitive way, of course, but the render loop is the MOST important thing to optimize, so this technique allows us to avoid adding extra conditional logic in a high-frequency area.
}
}
if (this.vars.onStart) if (this._time !== 0 || duration === 0) if (!suppressEvents) {
this._callback("onStart");
}
}
pt = this._firstPT;
while (pt) {
if (pt.f) {
pt.t[pt.p](pt.c * this.ratio + pt.s);
} else {
pt.t[pt.p] = pt.c * this.ratio + pt.s;
}
pt = pt._next;
}
if (this._onUpdate) {
if (time < 0) if (this._startAt && time !== -0.0001) { //if the tween is positioned at the VERY beginning (_startTime 0) of its parent timeline, it's illegal for the playhead to go back further, so we should not render the recorded startAt values.
this._startAt.render(time, suppressEvents, force); //note: for performance reasons, we tuck this conditional logic inside less traveled areas (most tweens don't have an onUpdate). We'd just have it at the end before the onComplete, but the values should be updated before any onUpdate is called, so we ALSO put it here and then if it's not called, we do so later near the onComplete.
}
if (!suppressEvents) if (this._time !== prevTime || isComplete || force) {
this._callback("onUpdate");
}
}
if (callback) if (!this._gc || force) { //check _gc because there's a chance that kill() could be called in an onUpdate
if (time < 0 && this._startAt && !this._onUpdate && time !== -0.0001) { //-0.0001 is a special value that we use when looping back to the beginning of a repeated TimelineMax, in which case we shouldn't render the _startAt values.
this._startAt.render(time, suppressEvents, force);
}
if (isComplete) {
if (this._timeline.autoRemoveChildren) {
this._enabled(false, false);
}
this._active = false;
}
if (!suppressEvents && this.vars[callback]) {
this._callback(callback);
}
if (duration === 0 && this._rawPrevTime === _tinyNum && rawPrevTime !== _tinyNum) { //the onComplete or onReverseComplete could trigger movement of the playhead and for zero-duration tweens (which must discern direction) that land directly back on their start time, we don't want to fire again on the next render. Think of several addPause()'s in a timeline that forces the playhead to a certain spot, but what if it's already paused and another tween is tweening the "time" of the timeline? Each time it moves [forward] past that spot, it would move back, and since suppressEvents is true, it'd reset _rawPrevTime to _tinyNum so that when it begins again, the callback would fire (so ultimately it could bounce back and forth during that tween). Again, this is a very uncommon scenario, but possible nonetheless.
this._rawPrevTime = 0;
}
}
};
p._kill = function(vars, target, overwritingTween) {
if (vars === "all") {
vars = null;
}
if (vars == null) if (target == null || target === this.target) {
this._lazy = false;
return this._enabled(false, false);
}
target = (typeof(target) !== "string") ? (target || this._targets || this.target) : TweenLite.selector(target) || target;
var simultaneousOverwrite = (overwritingTween && this._time && overwritingTween._startTime === this._startTime && this._timeline === overwritingTween._timeline),
i, overwrittenProps, p, pt, propLookup, changed, killProps, record, killed;
if ((_isArray(target) || _isSelector(target)) && typeof(target[0]) !== "number") {
i = target.length;
while (--i > -1) {
if (this._kill(vars, target[i], overwritingTween)) {
changed = true;
}
}
} else {
if (this._targets) {
i = this._targets.length;
while (--i > -1) {
if (target === this._targets[i]) {
propLookup = this._propLookup[i] || {};
this._overwrittenProps = this._overwrittenProps || [];
overwrittenProps = this._overwrittenProps[i] = vars ? this._overwrittenProps[i] || {} : "all";
break;
}
}
} else if (target !== this.target) {
return false;
} else {
propLookup = this._propLookup;
overwrittenProps = this._overwrittenProps = vars ? this._overwrittenProps || {} : "all";
}
if (propLookup) {
killProps = vars || propLookup;
record = (vars !== overwrittenProps && overwrittenProps !== "all" && vars !== propLookup && (typeof(vars) !== "object" || !vars._tempKill)); //_tempKill is a super-secret way to delete a particular tweening property but NOT have it remembered as an official overwritten property (like in BezierPlugin)
if (overwritingTween && (TweenLite.onOverwrite || this.vars.onOverwrite)) {
for (p in killProps) {
if (propLookup[p]) {
if (!killed) {
killed = [];
}
killed.push(p);
}
}
if ((killed || !vars) && !_onOverwrite(this, overwritingTween, target, killed)) { //if the onOverwrite returned false, that means the user wants to override the overwriting (cancel it).
return false;
}
}
for (p in killProps) {
if ((pt = propLookup[p])) {
if (simultaneousOverwrite) { //if another tween overwrites this one and they both start at exactly the same time, yet this tween has already rendered once (for example, at 0.001) because it's first in the queue, we should revert the values to where they were at 0 so that the starting values aren't contaminated on the overwriting tween.
if (pt.f) {
pt.t[pt.p](pt.s);
} else {
pt.t[pt.p] = pt.s;
}
changed = true;
}
if (pt.pg && pt.t._kill(killProps)) {
changed = true; //some plugins need to be notified so they can perform cleanup tasks first
}
if (!pt.pg || pt.t._overwriteProps.length === 0) {
if (pt._prev) {
pt._prev._next = pt._next;
} else if (pt === this._firstPT) {
this._firstPT = pt._next;
}
if (pt._next) {
pt._next._prev = pt._prev;
}
pt._next = pt._prev = null;
}
delete propLookup[p];
}
if (record) {
overwrittenProps[p] = 1;
}
}
if (!this._firstPT && this._initted) { //if all tweening properties are killed, kill the tween. Without this line, if there's a tween with multiple targets and then you killTweensOf() each target individually, the tween would technically still remain active and fire its onComplete even though there aren't any more properties tweening.
this._enabled(false, false);
}
}
}
return changed;
};
p.invalidate = function() {
if (this._notifyPluginsOfEnabled) {
TweenLite._onPluginEvent("_onDisable", this);
}
this._firstPT = this._overwrittenProps = this._startAt = this._onUpdate = null;
this._notifyPluginsOfEnabled = this._active = this._lazy = false;
this._propLookup = (this._targets) ? {} : [];
Animation.prototype.invalidate.call(this);
if (this.vars.immediateRender) {
this._time = -_tinyNum; //forces a render without having to set the render() "force" parameter to true because we want to allow lazying by default (using the "force" parameter always forces an immediate full render)
this.render(Math.min(0, -this._delay)); //in case delay is negative.
}
return this;
};
p._enabled = function(enabled, ignoreTimeline) {
if (!_tickerActive) {
_ticker.wake();
}
if (enabled && this._gc) {
var targets = this._targets,
i;
if (targets) {
i = targets.length;
while (--i > -1) {
this._siblings[i] = _register(targets[i], this, true);
}
} else {
this._siblings = _register(this.target, this, true);
}
}
Animation.prototype._enabled.call(this, enabled, ignoreTimeline);
if (this._notifyPluginsOfEnabled) if (this._firstPT) {
return TweenLite._onPluginEvent((enabled ? "_onEnable" : "_onDisable"), this);
}
return false;
};
//----TweenLite static methods -----------------------------------------------------
TweenLite.to = function(target, duration, vars) {
return new TweenLite(target, duration, vars);
};
TweenLite.from = function(target, duration, vars) {
vars.runBackwards = true;
vars.immediateRender = (vars.immediateRender != false);
return new TweenLite(target, duration, vars);
};
TweenLite.fromTo = function(target, duration, fromVars, toVars) {
toVars.startAt = fromVars;
toVars.immediateRender = (toVars.immediateRender != false && fromVars.immediateRender != false);
return new TweenLite(target, duration, toVars);
};
TweenLite.delayedCall = function(delay, callback, params, scope, useFrames) {
return new TweenLite(callback, 0, {delay:delay, onComplete:callback, onCompleteParams:params, callbackScope:scope, onReverseComplete:callback, onReverseCompleteParams:params, immediateRender:false, lazy:false, useFrames:useFrames, overwrite:0});
};
TweenLite.set = function(target, vars) {
return new TweenLite(target, 0, vars);
};
TweenLite.getTweensOf = function(target, onlyActive) {
if (target == null) { return []; }
target = (typeof(target) !== "string") ? target : TweenLite.selector(target) || target;
var i, a, j, t;
if ((_isArray(target) || _isSelector(target)) && typeof(target[0]) !== "number") {
i = target.length;
a = [];
while (--i > -1) {
a = a.concat(TweenLite.getTweensOf(target[i], onlyActive));
}
i = a.length;
//now get rid of any duplicates (tweens of arrays of objects could cause duplicates)
while (--i > -1) {
t = a[i];
j = i;
while (--j > -1) {
if (t === a[j]) {
a.splice(i, 1);
}
}
}
} else if (target._gsTweenID) {
a = _register(target).concat();
i = a.length;
while (--i > -1) {
if (a[i]._gc || (onlyActive && !a[i].isActive())) {
a.splice(i, 1);
}
}
}
return a || [];
};
TweenLite.killTweensOf = TweenLite.killDelayedCallsTo = function(target, onlyActive, vars) {
if (typeof(onlyActive) === "object") {
vars = onlyActive; //for backwards compatibility (before "onlyActive" parameter was inserted)
onlyActive = false;
}
var a = TweenLite.getTweensOf(target, onlyActive),
i = a.length;
while (--i > -1) {
a[i]._kill(vars, target);
}
};
/*
* ----------------------------------------------------------------
* TweenPlugin (could easily be split out as a separate file/class, but included for ease of use (so that people don't need to include another script call before loading plugins which is easy to forget)
* ----------------------------------------------------------------
*/
var TweenPlugin = _class("plugins.TweenPlugin", function(props, priority) {
this._overwriteProps = (props || "").split(",");
this._propName = this._overwriteProps[0];
this._priority = priority || 0;
this._super = TweenPlugin.prototype;
}, true);
p = TweenPlugin.prototype;
TweenPlugin.version = "1.19.0";
TweenPlugin.API = 2;
p._firstPT = null;
p._addTween = _addPropTween;
p.setRatio = _setRatio;
p._kill = function(lookup) {
var a = this._overwriteProps,
pt = this._firstPT,
i;
if (lookup[this._propName] != null) {
this._overwriteProps = [];
} else {
i = a.length;
while (--i > -1) {
if (lookup[a[i]] != null) {
a.splice(i, 1);
}
}
}
while (pt) {
if (lookup[pt.n] != null) {
if (pt._next) {
pt._next._prev = pt._prev;
}
if (pt._prev) {
pt._prev._next = pt._next;
pt._prev = null;
} else if (this._firstPT === pt) {
this._firstPT = pt._next;
}
}
pt = pt._next;
}
return false;
};
p._mod = p._roundProps = function(lookup) {
var pt = this._firstPT,
val;
while (pt) {
val = lookup[this._propName] || (pt.n != null && lookup[ pt.n.split(this._propName + "_").join("") ]);
if (val && typeof(val) === "function") { //some properties that are very plugin-specific add a prefix named after the _propName plus an underscore, so we need to ignore that extra stuff here.
if (pt.f === 2) {
pt.t._applyPT.m = val;
} else {
pt.m = val;
}
}
pt = pt._next;
}
};
TweenLite._onPluginEvent = function(type, tween) {
var pt = tween._firstPT,
changed, pt2, first, last, next;
if (type === "_onInitAllProps") {
//sorts the PropTween linked list in order of priority because some plugins need to render earlier/later than others, like MotionBlurPlugin applies its effects after all x/y/alpha tweens have rendered on each frame.
while (pt) {
next = pt._next;
pt2 = first;
while (pt2 && pt2.pr > pt.pr) {
pt2 = pt2._next;
}
if ((pt._prev = pt2 ? pt2._prev : last)) {
pt._prev._next = pt;
} else {
first = pt;
}
if ((pt._next = pt2)) {
pt2._prev = pt;
} else {
last = pt;
}
pt = next;
}
pt = tween._firstPT = first;
}
while (pt) {
if (pt.pg) if (typeof(pt.t[type]) === "function") if (pt.t[type]()) {
changed = true;
}
pt = pt._next;
}
return changed;
};
TweenPlugin.activate = function(plugins) {
var i = plugins.length;
while (--i > -1) {
if (plugins[i].API === TweenPlugin.API) {
_plugins[(new plugins[i]())._propName] = plugins[i];
}
}
return true;
};
//provides a more concise way to define plugins that have no dependencies besides TweenPlugin and TweenLite, wrapping common boilerplate stuff into one function (added in 1.9.0). You don't NEED to use this to define a plugin - the old way still works and can be useful in certain (rare) situations.
_gsDefine.plugin = function(config) {
if (!config || !config.propName || !config.init || !config.API) { throw "illegal plugin definition."; }
var propName = config.propName,
priority = config.priority || 0,
overwriteProps = config.overwriteProps,
map = {init:"_onInitTween", set:"setRatio", kill:"_kill", round:"_mod", mod:"_mod", initAll:"_onInitAllProps"},
Plugin = _class("plugins." + propName.charAt(0).toUpperCase() + propName.substr(1) + "Plugin",
function() {
TweenPlugin.call(this, propName, priority);
this._overwriteProps = overwriteProps || [];
}, (config.global === true)),
p = Plugin.prototype = new TweenPlugin(propName),
prop;
p.constructor = Plugin;
Plugin.API = config.API;
for (prop in map) {
if (typeof(config[prop]) === "function") {
p[map[prop]] = config[prop];
}
}
Plugin.version = config.version;
TweenPlugin.activate([Plugin]);
return Plugin;
};
//now run through all the dependencies discovered and if any are missing, log that to the console as a warning. This is why it's best to have TweenLite load last - it can check all the dependencies for you.
a = window._gsQueue;
if (a) {
for (i = 0; i < a.length; i++) {
a[i]();
}
for (p in _defLookup) {
if (!_defLookup[p].func) {
window.console.log("GSAP encountered missing dependency: " + p);
}
}
}
_tickerActive = false; //ensures that the first official animation forces a ticker.tick() to update the time when it is instantiated
})((typeof(module) !== "undefined" && module.exports && typeof(global) !== "undefined") ? global : this || window, "TweenLite");
/*jslint plusplus: true, vars: true, indent: 2 */
/* convertPointFromPageToNode.js from
<script src="https://gist.github.com/Yaffle/1145197.js"></script>
convertPointFromPageToNode(element, event.pageX, event.pageY) -> {x, y}
returns coordinate in element's local coordinate system (works properly
with css transforms without perspective projection)
convertPointFromNodeToPage(element, offsetX, offsetY) -> {x, y}
returns coordinate in window's coordinate system (works properly with
css transforms without perspective projection)
*/
(function () {
'use strict'
var I = (typeof(WebKitCSSMatrix) == 'undefined') ? new DOMMatrix() : new WebKitCSSMatrix()
function Point(x, y, z) {
this.x = x
this.y = y
this.z = z
}
Point.prototype.transformBy = function (matrix) {
var tmp = matrix.multiply(I.translate(this.x, this.y, this.z))
return new Point(tmp.m41, tmp.m42, tmp.m43)
}
function createMatrix(transform) {
try {
return (typeof(WebKitCSSMatrix) == 'undefined') ? new DOMMatrix(transform) : new WebKitCSSMatrix(transform)
} catch(e) {
console.warn(transform)
console.warn(e.toString())
return I
}
}
function getTransformationMatrix(element) {
var transformationMatrix = I
var x = element
while (x != undefined && x !== x.ownerDocument.documentElement) {
var computedStyle = window.getComputedStyle(x, undefined)
var transform = computedStyle.transform || 'none'
var c = transform === 'none' ? I : createMatrix(transform)
transformationMatrix = c.multiply(transformationMatrix)
x = x.parentNode
}
var w = element.offsetWidth
var h = element.offsetHeight
var i = 4
var left = +Infinity
var top = +Infinity
while (--i >= 0) {
var p = new Point(i === 0 || i === 1 ? 0 : w, i === 0 || i === 3 ? 0 : h,
0).transformBy(transformationMatrix)
if (p.x < left) {
left = p.x
}
if (p.y < top) {
top = p.y
}
}
var rect = element.getBoundingClientRect()
transformationMatrix = I.translate(window.pageXOffset + rect.left - left,
window.pageYOffset + rect.top - top, 0)
.multiply(transformationMatrix)
return transformationMatrix
}
window.convertPointFromPageToNode = function (element, pageX, pageY) {
return new Point(pageX, pageY, 0).transformBy(
getTransformationMatrix(element).inverse())
}
window.convertPointFromNodeToPage = function (element, offsetX, offsetY) {
return new Point(offsetX, offsetY, 0).transformBy(
getTransformationMatrix(element))
}
}())
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