An Open Source library for multi-touch, WebGL powered applications.
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<li class="parent " data-name="DeepZoomImage#destroyTilesAboveLevel"><a href="DeepZoomImage.html#destroyTilesAboveLevel">destroyTilesAboveLevel</a></li>
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<li class="parent " data-name="DeepZoomImage#ensureTiles"><a href="DeepZoomImage.html#ensureTiles">ensureTiles</a></li>
<li class="parent " data-name="DeepZoomImage#levelAndAlphaForScale"><a href="DeepZoomImage.html#levelAndAlphaForScale">levelAndAlphaForScale</a></li>
<li class="parent " data-name="DeepZoomImage#levelForScale"><a href="DeepZoomImage.html#levelForScale">levelForScale</a></li>
<li class="parent " data-name="DeepZoomImage#neededTiles"><a href="DeepZoomImage.html#neededTiles">neededTiles</a></li>
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<span class="subtitle">Methods</span>
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<a href="LabeledGraphics.html">LabeledGraphics</a>
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<span class="subtitle">Methods</span>
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<a href="LabeledGraphics.exports.LabeledGraphics.html">LabeledGraphics.exports.LabeledGraphics</a>
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<span class="subtitle">Methods</span>
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<a href="ModalInteractivePopup.html">ModalInteractivePopup</a>
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<ul class="typedefs itemMembers">
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<span class="title ">
<a href="PIXIApp.html">PIXIApp</a>
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<li class="parent " data-name="PIXIApp#center"><a href="PIXIApp.html#center">center</a></li>
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<li class="parent " data-name="PIXIApp#checkOrientation"><a href="PIXIApp.html#checkOrientation">checkOrientation</a></li>
<li class="parent " data-name="PIXIApp#convertPointFromNodeToPage"><a href="PIXIApp.html#convertPointFromNodeToPage">convertPointFromNodeToPage</a></li>
<li class="parent " data-name="PIXIApp#convertPointFromPageToNode"><a href="PIXIApp.html#convertPointFromPageToNode">convertPointFromPageToNode</a></li>
<li class="parent " data-name="PIXIApp#draw"><a href="PIXIApp.html#draw">draw</a></li>
<li class="parent " data-name="PIXIApp#expandRenderer"><a href="PIXIApp.html#expandRenderer">expandRenderer</a></li>
<li class="parent " data-name="PIXIApp#layout"><a href="PIXIApp.html#layout">layout</a></li>
<li class="parent " data-name="PIXIApp#loadSprites"><a href="PIXIApp.html#loadSprites">loadSprites</a></li>
<li class="parent " data-name="PIXIApp#loadTextures"><a href="PIXIApp.html#loadTextures">loadTextures</a></li>
<li class="parent " data-name="PIXIApp#message"><a href="PIXIApp.html#message">message</a></li>
<li class="parent " data-name="PIXIApp#modal"><a href="PIXIApp.html#modal">modal</a></li>
<li class="parent " data-name="PIXIApp#mutate"><a href="PIXIApp.html#mutate">mutate</a></li>
<li class="parent " data-name="PIXIApp#orientation"><a href="PIXIApp.html#orientation">orientation</a></li>
<li class="parent " data-name="PIXIApp#orientationChanged"><a href="PIXIApp.html#orientationChanged">orientationChanged</a></li>
<li class="parent " data-name="PIXIApp#progress"><a href="PIXIApp.html#progress">progress</a></li>
<li class="parent " data-name="PIXIApp#query"><a href="PIXIApp.html#query">query</a></li>
<li class="parent " data-name="PIXIApp#resize"><a href="PIXIApp.html#resize">resize</a></li>
<li class="parent " data-name="PIXIApp#setup"><a href="PIXIApp.html#setup">setup</a></li>
<li class="parent " data-name="PIXIApp#subscribe"><a href="PIXIApp.html#subscribe">subscribe</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Popup">
<span class="title ">
<a href="Popup.html">Popup</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="Popup#content"><a href="Popup.html#content">content</a></li>
<li class=" " data-name="Popup#header"><a href="Popup.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="Popup#hide"><a href="Popup.html#hide">hide</a></li>
<li class=" " data-name="Popup#layout"><a href="Popup.html#layout">layout</a></li>
<li class=" " data-name="Popup#show"><a href="Popup.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupInteractivePopup">
<span class="title ">
<a href="PopupInteractivePopup.html">PopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenu">
<span class="title ">
<a href="PopupMenu.html">PopupMenu</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="PopupMenu#content"><a href="PopupMenu.html#content">content</a></li>
<li class=" " data-name="PopupMenu#header"><a href="PopupMenu.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="PopupMenu#hide"><a href="PopupMenu.html#hide">hide</a></li>
<li class=" " data-name="PopupMenu#layout"><a href="PopupMenu.html#layout">layout</a></li>
<li class=" " data-name="PopupMenu#show"><a href="PopupMenu.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupInteractivePopup.html">PopupMenuPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupMenuPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupMenuPopupInteractivePopup.html">PopupMenuPopupMenuPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupMenuPopupPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupMenuPopupPopupInteractivePopup.html">PopupMenuPopupMenuPopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupMenuPopupPopupInteractivePopup">
<span class="title ">
<a href="PopupMenuPopupPopupInteractivePopup.html">PopupMenuPopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="PopupPopupInteractivePopup">
<span class="title ">
<a href="PopupPopupInteractivePopup.html">PopupPopupInteractivePopup</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Progress">
<span class="title ">
<a href="Progress.html">Progress</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Progress#progress"><a href="Progress.html#progress">progress</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Progress#hide"><a href="Progress.html#hide">hide</a></li>
<li class="parent " data-name="Progress#layout"><a href="Progress.html#layout">layout</a></li>
<li class="parent " data-name="Progress#show"><a href="Progress.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Scrollview">
<span class="title ">
<a href="Scrollview.html">Scrollview</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Scrollview#layout"><a href="Scrollview.html#layout">layout</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Slider">
<span class="title ">
<a href="Slider.html">Slider</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Slider#disabled"><a href="Slider.html#disabled">disabled</a></li>
<li class="parent " data-name="Slider#value"><a href="Slider.html#value">value</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Slider#hide"><a href="Slider.html#hide">hide</a></li>
<li class="parent " data-name="Slider#layout"><a href="Slider.html#layout">layout</a></li>
<li class="parent " data-name="Slider#show"><a href="Slider.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Switch">
<span class="title ">
<a href="Switch.html">Switch</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class="parent " data-name="Switch#active"><a href="Switch.html#active">active</a></li>
<li class="parent " data-name="Switch#disabled"><a href="Switch.html#disabled">disabled</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Switch#hide"><a href="Switch.html#hide">hide</a></li>
<li class="parent " data-name="Switch#layout"><a href="Switch.html#layout">layout</a></li>
<li class="parent " data-name="Switch#show"><a href="Switch.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="TextLabel.TextLabel">
<span class="title ">
<a href="TextLabel.TextLabel.html">TextLabel.TextLabel</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Theme">
<span class="title ">
<a href="Theme.html">Theme</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="Theme.fromString"><a href="Theme.html#.fromString">fromString</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeDark">
<span class="title ">
<a href="ThemeDark.html">ThemeDark</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeLight">
<span class="title ">
<a href="ThemeLight.html">ThemeLight</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="ThemeRed">
<span class="title ">
<a href="ThemeRed.html">ThemeRed</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="TileQuadNode">
<span class="title ">
<a href="TileQuadNode.html">TileQuadNode</a>
</span>
<ul class="members itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="TileQuadNode#link"><a href="TileQuadNode.html#link">link</a></li>
<li class="parent " data-name="TileQuadNode#noQuads"><a href="TileQuadNode.html#noQuads">noQuads</a></li>
<li class="parent " data-name="TileQuadNode#unlink"><a href="TileQuadNode.html#unlink">unlink</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="Tooltip">
<span class="title ">
<a href="Tooltip.html">Tooltip</a>
</span>
<ul class="members itemMembers">
<span class="subtitle">Members</span>
<li class=" " data-name="Tooltip#content"><a href="Tooltip.html#content">content</a></li>
<li class=" " data-name="Tooltip#header"><a href="Tooltip.html#header">header</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class=" " data-name="Tooltip#hide"><a href="Tooltip.html#hide">hide</a></li>
<li class=" " data-name="Tooltip#layout"><a href="Tooltip.html#layout">layout</a></li>
<li class=" " data-name="Tooltip#show"><a href="Tooltip.html#show">show</a></li>
</ul>
<ul class="events itemMembers">
</ul>
</li>
<li class="item" data-name="UITest">
<span class="title ">
<a href="UITest.html">UITest</a>
</span>
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<span class="subtitle">Members</span>
<li class="parent " data-name="UITest#timeline"><a href="UITest.html#timeline">timeline</a></li>
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="typedefs itemMembers">
</ul>
<ul class="methods itemMembers">
<span class="subtitle">Methods</span>
<li class="parent " data-name="UITest#clear"><a href="UITest.html#clear">clear</a></li>
<li class="parent " data-name="UITest#pan"><a href="UITest.html#pan">pan</a></li>
<li class="parent " data-name="UITest#pinch"><a href="UITest.html#pinch">pinch</a></li>
<li class="parent " data-name="UITest#restart"><a href="UITest.html#restart">restart</a></li>
<li class="parent " data-name="UITest#start"><a href="UITest.html#start">start</a></li>
<li class="parent " data-name="UITest#stop"><a href="UITest.html#stop">stop</a></li>
<li class="parent " data-name="UITest#tap"><a href="UITest.html#tap">tap</a></li>
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<li class="item" data-name="Volatile">
<span class="title ">
<a href="Volatile.html">Volatile</a>
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</ul>
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<span class="subtitle">Methods</span>
<li class="parent " data-name="Volatile#layout"><a href="Volatile.html#layout">layout</a></li>
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</ul>
</li>
</ul>
</div>
<div class="main">
<h1 class="page-title" data-filename="pixi_app.js.html">Source: pixi/app.js</h1>
<section>
<header>
<div class="header content-size">
<h2>pixi/app.js</h2>
</div>
</header>
<article>
<pre id="source-code" class="prettyprint source linenums"><code>/* global apollo, subscriptions, gql */
import Theme from './theme.js'
import Progress from './progress.js'
import Modal from './modal.js'
import Message from './message.js'
import { debounce } from '../utils.js'
/**
* A special InteractionManager for fullscreen apps, which may
* go beyond the limits of WebGL drawing buffers. On Safari and Chrome
* the drawing buffers are limited to 4096 in width (Safari) or 4096x4096
* in total buffer size (Chrome). The original InteractionManager.mapPositionToPoint
* does not work with these extreme sizes which mainly occur if large
* retina displays (>= 4K) are used with devicePixelRatio > 1.
*
* @private
* @class
* @extends PIXI.interaction.InteractionManager
* @see {@link http://pixijs.download/dev/docs/PIXI.interaction.InteractionManager.html|PIXI.interaction.InteractionManager}
* @see {@link https://stackoverflow.com/questions/29710696/webgl-drawing-buffer-size-does-not-equal-canvas-size}
*/
class FullscreenInteractionManager extends PIXI.interaction.InteractionManager {
mapPositionToPoint(point, x, y) {
let resolution = this.renderer.resolution
let extendWidth = 1.0
let extendHeight = 1.0
let dy = 0
let canvas = this.renderer.view
let context = canvas.getContext('webgl')
if (
context.drawingBufferWidth &lt; canvas.width ||
context.drawingBufferHeight &lt; canvas.height
) {
extendWidth = context.drawingBufferWidth / canvas.width
extendHeight = context.drawingBufferHeight / canvas.height
//dx = wantedWidth - context.drawingBufferWidth
dy = (canvas.height - context.drawingBufferHeight) / resolution
}
x *= extendWidth
y *= extendHeight
super.mapPositionToPoint(point, x, y + dy)
}
}
/**
* The class PixiApp extends the class PIXI.Application
* by several functions and makes meaningful pre-assumptions.
*
* @example
* // Create the app
* const app = new PIXIApp({
* view: canvas,
* width: 450,
* height: 150,
* fpsLogging: true,
* theme: 'light',
* transparent: false
* }).setup().run()
*
* @class
* @extends PIXI.Application
* @see {@link http://pixijs.download/dev/docs/PIXI.Application.html|PIXI.Application}
*/
export default class PIXIApp extends PIXI.Application {
/**
* Creates an instance of a PixiApp.
*
* @constructor
* @param {object} [opts={}] - An options object. The following options can be set:
* @param {number} [opts.width] - The width of the renderer. If no set, the application will run in fullscreen.
* @param {number} [opts.height] - The height of the renderer. If no set, the application will run in fullscreen.
* @param {HTMLElement} [opts.view] - The canvas HTML element. If not set, a render-element is added inside the body.
* @param {boolean} [opts.transparent=true] - Should the render view be transparent?
* @param {boolean} [opts.antialias=true] - Sets antialias (only applicable in chrome at the moment).
* @param {number} [opts.resolution=window.devicePixelRatio | 1] - The resolution / device pixel ratio of the renderer, retina would be 2.
* @param {boolean} [opts.autoResize=true] - Should the canvas-element be resized automatically if the resolution was set?
* @param {number} [opts.backgroundColor=0x282828] - The color of the background.
* @param {string|Theme} [opts.theme=dark] - The name of the theme (dark, light, red) or a Theme object to use for styling.
* @param {boolean} [opts.fpsLogging=false] - If set to true, the current frames per second are displayed in the upper left corner.
* @param {object} [opts.progress={}] - Can be used to add options to the progress bar. See class Progress for more informations.
* @param {boolean} [opts.forceCanvas=false] - Prevents selection of WebGL renderer, even if such is present.
* @param {boolean} [opts.roundPixels=true] - Align PIXI.DisplayObject coordinates to screen resolution.
* @param {boolean} [opts.monkeyPatchMapping=true] - Monkey patch for canvas fullscreen support on large displays.
* @param {boolean} [opts.adaptive=true] - Adds Graphics adaptive calculation of quadratic curve and arc subdivision.
*/
constructor({
width = null,
height = null,
view = null,
transparent = true,
backgroundColor = 0x282828,
theme = 'dark',
antialias = true,
resolution = window.devicePixelRatio || 1,
autoResize = true,
fpsLogging = false,
progress = {},
forceCanvas = false,
roundPixels = true,
monkeyPatchMapping = true,
adaptive = true,
graphql = false
}) {
const fullScreen = !width || !height
if (fullScreen) {
width = window.innerWidth
height = window.innerHeight
}
super({
view,
width,
height,
transparent,
antialias,
resolution,
autoResize,
backgroundColor,
forceCanvas,
roundPixels // not needed for PixiJS >= 5
})
this.width = width
this.height = height
this.theme = Theme.fromString(theme)
this.fpsLogging = fpsLogging
this.progressOpts = progress
this.fullScreen = fullScreen
this.orient = null
this.originalMapPositionToPoint = null
this.monkeyPatchMapping = monkeyPatchMapping
if (parseInt(PIXI.VERSION) >= 5) {
PIXI.settings.ROUND_PIXELS = roundPixels
PIXI.GRAPHICS_CURVES.adaptive = adaptive
} else {
PIXI.Graphics.CURVES.adaptive = adaptive
}
this.graphql = graphql
if (fullScreen || autoResize) {
console.log('App is in fullScreen mode or autoResize mode')
const resizeDebounced = debounce(event => this.resize(event), 50)
window.addEventListener('resize', resizeDebounced)
document.body.addEventListener(
'orientationchange',
this.checkOrientation.bind(this)
)
}
if (monkeyPatchMapping) {
console.log('Using monkey patched coordinate mapping')
// Pluggin the specializtion does not work. Monkey patching does
// this.renderer.plugins.interaction = new FullscreenInteractionManager(this.renderer)
this.monkeyPatchPixiMapping()
}
}
/**
* Extra setup method to construct complex scenes, etc...
* Overwrite this method if you need additonal views and components.
*
* @return {PIXIApp} A reference to the PIXIApp for chaining.
*/
setup() {
this.scene = this.sceneFactory()
this.stage.addChild(this.scene)
// fpsLogging
if (this.fpsLogging) {
this.addFpsDisplay()
}
// GraphQL
if (this.graphql &amp;&amp; typeof apollo !== 'undefined') {
const networkInterface = apollo.createNetworkInterface({
uri: '/graphql'
})
const wsClient = new subscriptions.SubscriptionClient(
`wss://${location.hostname}/subscriptions`,
{
reconnect: true,
connectionParams: {}
}
)
const networkInterfaceWithSubscriptions = subscriptions.addGraphQLSubscriptions(
networkInterface,
wsClient
)
this.apolloClient = new apollo.ApolloClient({
networkInterface: networkInterfaceWithSubscriptions
})
}
// progress
this._progress = new Progress(
Object.assign({ theme: this.theme }, this.progressOpts, {
app: this
})
)
this._progress.visible = false
this.stage.addChild(this._progress)
return this
}
/**
* Tests whether the width is larger than the height of the application.
*
* @return {boolean} Returns true if app is in landscape mode.
*/
orientation() {
return this.width > this.height
}
/**
* Checks orientation and adapts view size if necessary. Implements a
* handler for the orientationchange event.
*
* @param {event=} - orientationchange event
*/
checkOrientation(event) {
var value = this.orientation()
if (value != this.orient) {
setTimeout(
100,
function() {
this.orientationChanged(true)
}.bind(this)
)
this.orient = value
}
}
/**
* Called if checkOrientation detects an orientation change event.
*
* @param {boolean=} [force=false] - Called if checkOrientation detects an orientation change event.
*/
orientationChanged(force = false) {
if (this.expandRenderer() || force) {
this.layout()
}
}
/**
* Called after a resize. Empty method but can be overwritten to
* adapt their layout to the new app size.
*
* @param {number} [width] - The width of the app.
* @param {number} [height] - The height of the app.
*/
layout(width, height) {}
/**
* Draws the display tree of the app. Typically this can be delegated
* to the layout method.
*
*/
draw() {
this.layout(this.width, this.height)
}
/*
* Run the application. Override this method with everything
* that is needed to maintain your App, e.g. setup calls, main loops, etc.
*
*/
run() {
return this
}
/*
* Overwrite this factory method if your application needs a special
* scene object.
*
* @returns {PIXI.Container} - A new PIXI Container for use as a scene.
*/
sceneFactory() {
return new PIXI.Container()
}
/**
* Adds the display of the frames per second to the renderer in the upper left corner.
*
* @return {PIXIApp} - Returns the PIXIApp for chaining.
*/
addFpsDisplay() {
const fpsDisplay = new FpsDisplay(this)
this.stage.addChild(fpsDisplay)
return this
}
/**
* Returns the size of the renderer as an object with the keys width and height.
*
* @readonly
* @member {object}
*/
get size() {
return { width: this.width, height: this.height }
}
/**
* Returns the center of the renderer as an object with the keys x and y.
*
* @readonly
* @member {object}
*/
get center() {
return { x: this.width / 2, y: this.height / 2 }
}
/**
* Resizes the renderer to fit into the window or given width and height.
*
* @param {object} [event] - The event.
* @param {object=} [opts={}] - The event.
* @param {number} [opts.width=window.innerWidth] - The width of the app to resize to.
* @param {number} [opts.height=window.innerHeight] - The height of the app to resize to.
* @return {PIXIApp} - Returns the PIXIApp for chaining.
*/
resize(
event,
{ width = window.innerWidth, height = window.innerHeight } = {}
) {
this.width = width
this.height = height
this.expandRenderer()
this.layout(width, height)
//console.log("App.resize", width, height, window.innerWidth, window.innerHeight )
// if (this.scene) {
// console.log("gl.drawingBufferWidth", this.renderer.view.getContext('webgl').drawingBufferWidth)
// console.log("scene", this.scene.scale, this.renderer, this.renderer.autoResize, this.renderer.resolution)
// }
return this
}
/**
* @todo Write the documentation.
*
* @private
*/
monkeyPatchPixiMapping() {
if (this.originalMapPositionToPoint === null) {
let interactionManager = this.renderer.plugins.interaction
this.originalMapPositionToPoint =
interactionManager.mapPositionToPoint
interactionManager.mapPositionToPoint = (point, x, y) => {
return this.fixedMapPositionToPoint(point, x, y)
}
}
}
/**
* In some browsers the canvas is distorted if the screen resolution and
* overall size of the canvas exceeds the internal limits (e.g. 4096 x 4096 pixels).
* To compensate these distortions we need to fix the mapping to the actual
* drawing buffer coordinates.
* @private
* @param {any} local
* @param {number} x
* @param {number} y
* @return {} interactionManager.mapPositionToPoint
*/
fixedMapPositionToPoint(local, x, y) {
let resolution = this.renderer.resolution
let interactionManager = this.renderer.plugins.interaction
let extendWidth = 1.0
let extendHeight = 1.0
let dy = 0
let canvas = this.renderer.view
let context = canvas.getContext('webgl')
if (
context !== null &amp;&amp;
(context.drawingBufferWidth &lt; canvas.width ||
context.drawingBufferHeight &lt; canvas.height)
) {
extendWidth = context.drawingBufferWidth / canvas.width
extendHeight = context.drawingBufferHeight / canvas.height
//dx = wantedWidth - context.drawingBufferWidth
dy = (canvas.height - context.drawingBufferHeight) / resolution
}
x *= extendWidth
y *= extendHeight
return this.originalMapPositionToPoint.call(
interactionManager,
local,
x,
y + dy
)
}
/**
* Expand the renderer step-wise on resize.
*
* @param {number} [expand] - The amount of additional space for the renderer [px].
* @return {boolean} true if the renderer was resized.
*/
expandRenderer(expand = 256) {
let renderer = this.renderer
let resolution = this.renderer.resolution
let ww = this.width
let hh = this.height
let sw = this.screen.width
let sh = this.screen.height
if (ww > sw || hh > sh) {
//console.log('App.expandRenderer')
renderer.resize(ww + expand, hh + expand)
return true
}
renderer.resize(ww, hh)
return false
}
/**
* Set the loading progress of the application. If called for the first time, display the progress bar.
*
* @param {number} [value] - Should be a value between 0 and 100. If 100, the progress bar will disappear.
* @return {PIXIApp|Progress} The PixiApp object for chaining or the Progress object when the method was
* called without a parameter.
*/
progress(value) {
if (typeof value === 'undefined') {
return this._progress
}
this._progress.visible = true
this._progress.progress = value
return this
}
/**
* Opens a new Modal object binded to this app.
*
* @param {object} [opts] - An options object for the Modal object.
* @return {Modal} Returns the Modal object.
*/
modal(opts = {}) {
let modal = new Modal(
Object.assign({ theme: this.theme }, opts, { app: this })
)
this.scene.addChild(modal)
return modal
}
/**
* Opens a new Message object binded to this app.
*
* @param {object} [opts] - An options object for the Message object.
* @return {Message} Returns the Message object.
*/
message(opts = {}) {
let message = new Message(
Object.assign({ theme: this.theme }, opts, { app: this })
)
this.scene.addChild(message)
return message
}
/**
* Loads sprites, e.g. images into the PIXI TextureCache.
*
* @param {string|string[]} resources - A String or an Array of urls to the images to load.
* @param {function} [loaded] - A callback which is executed after all resources has been loaded.
* Receives one paramter, a Map of sprites where the key is the path of the image which was
* loaded and the value is the PIXI.Sprite object.
* @param {object} [opts] - An options object for more specific parameters.
* @param {boolean} [opts.resolutionDependent=true] - Should the sprites be loaded dependent of the
* renderer resolution?
* @param {boolean} [opts.progress=false] - Should a progress bar display the loading status?
* @return {PIXIApp} The PIXIApp object for chaining.
*/
loadSprites(
resources,
loaded = null,
{ resolutionDependent = true, progress = false } = {}
) {
this.loadTextures(
resources,
textures => {
let sprites = new Map()
for (let [key, texture] of textures) {
sprites.set(key, new PIXI.Sprite(texture))
}
if (loaded) {
loaded.call(this, sprites)
}
},
{ resolutionDependent, progress }
)
return this
}
/**
* Loads textures, e.g. images into the PIXI TextureCache.
*
* @param {string|string[]} resources - A String or an Array of urls to the images to load.
* @param {function} [loaded] - A callback which is executed after all resources has been loaded.
* Receives one paramter, a Map of textures where the key is the path of the image which was
* loaded and the value is the PIXI.Texture object.
* @param {object} [opts] - An options object for more specific parameters.
* @param {boolean} [opts.resolutionDependent=true] - Should the textures be loaded dependent of the
* renderer resolution?
* @param {boolean} [opts.progress=false] - Should a progress bar display the loading status?
* @return {PIXIApp} The PIXIApp object for chaining.
*/
loadTextures(
resources,
loaded = null,
{ resolutionDependent = true, progress = false } = {}
) {
if (!Array.isArray(resources)) {
resources = [resources]
}
const loader = this.loader
for (let resource of resources) {
if (!loader.resources[resource]) {
if (resolutionDependent) {
let resolution = Math.round(this.renderer.resolution)
switch (resolution) {
case 2:
loader.add(
resource,
resource.replace(/\.([^.]*)$/, '@2x.$1')
)
break
case 3:
loader.add(
resource,
resource.replace(/\.([^.]*)$/, '@3x.$1')
)
break
default:
loader.add(resource)
break
}
} else {
loader.add(resource)
}
}
}
if (progress) {
loader.on('progress', e => {
this.progress(e.progress)
})
}
loader.load((loader, resources) => {
const textures = new Map()
for (let key in resources) {
textures.set(key, resources[key].texture)
}
if (loaded) {
loaded.call(this, textures)
}
})
return this
}
/**
* Queries the GraphQL endpoint.
*
* @param {string} [query] - The GraphQL query string.
* @param {object} [opts={}] - An options object. The following options can be set:
* http://dev.apollodata.com/core/apollo-client-api.html#ApolloClient.query
* @return {Promise} Returns a Promise which is either resolved with the resulting data or
* rejected with an error.
*/
query(query, opts = {}) {
if (typeof query === 'string') {
opts = Object.assign({}, opts, { query })
} else {
opts = Object.assign({}, query)
}
opts.query = opts.query.trim()
if (!opts.query.startsWith('query')) {
if (opts.query.startsWith('{')) {
opts.query = `query ${opts.query}`
} else {
opts.query = `query {${opts.query}}`
}
}
opts.query = gql(opts.query)
return this.apolloClient.query(opts)
}
/**
* Mutate the GraphQL endpoint.
*
* @param {string} [mutation] - The GraphQL mutation string.
* @param {object} [opts={}] - An options object. The following options can be set:
* http://dev.apollodata.com/core/apollo-client-api.html#ApolloClient.mutate
* @return {Promise} Returns a Promise which is either resolved with the resulting data or
* rejected with an error.
*/
mutate(mutation, opts = {}) {
if (typeof mutation === 'string') {
opts = Object.assign({}, opts, { mutation })
} else {
opts = Object.assign({}, mutation)
}
opts.mutation = opts.mutation.trim()
if (!opts.mutation.startsWith('mutation')) {
if (opts.mutation.startsWith('{')) {
opts.mutation = `mutation ${opts.mutation}`
} else {
opts.mutation = `mutation {${opts.mutation}}`
}
}
opts.mutation = gql(opts.mutation)
return this.apolloClient.mutate(opts)
}
/**
* Subscribe the GraphQL endpoint.
*
* @param {string} [subscription] - The GraphQL subscription.
* @param {object} [opts={}] - An options object. The following options can be set:
* http://dev.apollodata.com/core/apollo-client-api.html#ApolloClient.query
* @return {Promise} Returns a Promise which is either resolved with the resulting data or
* rejected with an error.
*/
subscribe(subscription, opts = {}) {
if (typeof subscription === 'string') {
opts = Object.assign({}, opts, { subscription })
} else {
opts = Object.assign({}, subscription)
}
opts.subscription = opts.subscription.trim()
if (!opts.subscription.startsWith('subscription')) {
if (opts.subscription.startsWith('{')) {
opts.subscription = `subscription ${opts.subscription}`
} else {
opts.subscription = `subscription {${opts.subscription}}`
}
}
opts.query = gql(opts.subscription)
delete opts.subscription
return this.apolloClient.subscribe(opts)
}
/**
* Supports the page as a global coordinate system and converts browser page coordinates
* to local DisplayObject coordinates.
*
* @param {DisplayObject} displayObject - The PIXI displayObject.
* @param {number} x - The x coordinate.
* @param {number} y - The y coordinate.
*
* @return {PIXI.Point} Returns a PIXI.Point.
*/
convertPointFromPageToNode(displayObject, x, y) {
let resolution = this.renderer.resolution
console.log('resolution', resolution)
let pixiGlobal = window.convertPointFromPageToNode(app.view, x, y)
pixiGlobal.x /= resolution
pixiGlobal.y /= resolution
return displayObject.toLocal(new PIXI.Point(pixiGlobal.x, pixiGlobal.y))
}
/**
* Supports the page as a global coordinate system and converts local DisplayObject coordinates
* to browser page coordinates.
*
* @param {DisplayObject} displayObject - The PIXI displayObject.
* @param {number} x - The x coordinate.
* @param {number} y - The y coordinate.
*
* @return {Point} Returns a DOM Point.
*/
convertPointFromNodeToPage(displayObject, x, y) {
let resolution = this.renderer.resolution
let pixiGlobal = displayObject.toGlobal(new PIXI.Point(x, y))
pixiGlobal.x *= resolution
pixiGlobal.y *= resolution
// console.log("app.convertPointFromNodeToPage", pixiGlobal)
return window.convertPointFromNodeToPage(
app.view,
pixiGlobal.x,
pixiGlobal.y
)
}
}
/**
* The class fpsdisplay shows in the upper left corner
* of the renderer the current image refresh rate.
*
* @private
* @class
* @extends PIXI.Graphics
* @see {@link http://pixijs.download/dev/docs/PIXI.Graphics.html|PIXI.Graphics}
*/
class FpsDisplay extends PIXI.Graphics {
/**
* Creates an instance of a FpsDisplay.
*
* @constructor
* @param {PIXIApp} app - The PIXIApp where the frames per second should be displayed.
*/
constructor(app) {
super()
this.app = app
this.lineStyle(3, 0x434f4f, 1)
.beginFill(0x434f4f, 0.6)
.drawRoundedRect(0, 0, 68, 32, 5)
.endFill()
.position.set(20, 20)
this.text = new PIXI.Text(
this.fps,
new PIXI.TextStyle({
fontFamily: 'Arial',
fontSize: 14,
fontWeight: 'bold',
fill: '#f6f6f6',
stroke: '#434f4f',
strokeThickness: 3
})
)
this.text.position.set(6, 6)
this.addChild(this.text)
this.refreshFps()
window.setInterval(this.refreshFps.bind(this), 1000)
}
/**
* Refreshes fps numer.
*
* @return {PIXIApp} Returns the PIXIApp object for chaining.
*/
refreshFps() {
this.text.text = `${this.app.ticker.FPS.toFixed(1)} fps`
return this
}
}
</code></pre>
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