2023-05-09 13:25:39 +02:00
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<!DOCTYPE html>
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2019-03-21 09:57:27 +01:00
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<html lang="en">
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2023-05-09 13:25:39 +02:00
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>PIXI Scatter Doctest</title>
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<link rel="stylesheet" href=".././3rdparty/highlight/styles/default.css" />
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<link rel="stylesheet" href="../../css/doctest.css" />
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<script src=".././3rdparty/highlight/highlight.pack.js"></script>
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<script src="../../dist/iwmlib.3rdparty.js"></script>
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<script src="../../dist/iwmlib.js"></script>
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<script src="../../dist/iwmlib.pixi.js"></script>
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</head>
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<body onload="Doctest.run()">
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<h1><a href="../index.html">lib.</a><a href="index.html">pixi.</a>Scatter</h1>
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<p>
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Scatter objects are UI elements that can be rotated, scaled or moved around which typically leads to
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"scattered" layouts. The PIXI scatter defined here is a specialization of the
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<a href="../scatter.html">abstract scatter pattern</a>.
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</p>
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<p>
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PIXI scatter are organized in <code>ScatterContainer</code> parent nodes and
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<code>DisplayObjectScatter</code> child nodes.
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</p>
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<p>
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Let's look at an example of a PIXI scatter. Since scatter objects are mainly used as main views it is a
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common use case that the scene itself is used as the <code>ScatterContainer</code>. The
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<code>DisplayObjectScatter</code> is simply used as a wrapper that makes any interative DisplayObject
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zoomable, rotatable and translatable.
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</p>
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<canvas id="canvas" class="grayBorder interactive">Canvas not supported</canvas>
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<script class="doctest">
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class ScatterApp extends PIXIApp {
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sceneFactory() {
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return new ScatterContainer(this.renderer, { showBounds: true, showPolygon: true, app: this })
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}
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setup() {
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super.setup()
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let x = 30
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let y = 30
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for (let key of ['women', 'king']) {
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let sprite = PIXI.Sprite.from('../examples/' + key + '.jpeg')
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sprite.interactive = true
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let scatter = new DisplayObjectScatter(sprite, this.renderer, {
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x: x,
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y: y,
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startScale: 0.25,
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minScale: 0.2,
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maxScale: 1
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})
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this.scene.addChild(sprite)
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scatter.zoom(0.5, { animate: 1.0 })
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x += 100
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y += 30
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}
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return this
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}
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}
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const app = new ScatterApp({
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view: canvas,
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autoResize: false,
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width: 450,
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height: 250
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})
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.setup()
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.run()
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</script>
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<h1>Two ScatterContainers in one canvas-element</h1>
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<p>
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You see two ScatterContainers within the same HTML-canvas-element. The Queen is included in the first, the
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King in the second ScatterContainer. You should interact the two images independently of each other.
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</p>
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<canvas id="canvas2" class="grayBorder interactive">Canvas not supported</canvas>
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<script class="doctest">
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class DoubleScatterApp extends PIXIApp {
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setup() {
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super.setup()
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// Obey order in which ScatterContainer are created because the
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// InteractionMapper register event handlers in a first come first serve
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// order
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this.scatterContainerFront = new ScatterContainer(this.renderer, { app: this })
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this.scatterContainerBack = new ScatterContainer(this.renderer, { app: this })
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// Note that the addChild order is different because later children
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// are placed in front of earlier children.
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this.scene.addChild(this.scatterContainerBack)
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this.scene.addChild(this.scatterContainerFront)
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// Add the queen to ScatterContainer one
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let sprite1 = PIXI.Sprite.from('../examples/women.jpeg')
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sprite1.interactive = true
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let scatter1 = new DisplayObjectScatter(sprite1, this.renderer, {
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x: 20,
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y: 40,
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startScale: 0.5
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})
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this.scatterContainerBack.addChild(sprite1)
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// Add the king to ScatterContainer two
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let sprite2 = PIXI.Sprite.from('../examples/king.jpeg')
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sprite2.interactive = true
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let scatter2 = new DisplayObjectScatter(sprite2, this.renderer, {
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x: 280,
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y: 40,
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startScale: 0.5
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})
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this.scatterContainerFront.addChild(sprite2)
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return this
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}
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}
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const doubleScatterApp = new DoubleScatterApp({
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view: canvas2,
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autoResize: false,
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width: 450,
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height: 250
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})
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.setup()
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.run()
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</script>
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<h1>Nested Scatter</h1>
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<p>
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Sometimes it can be required, that multiple scatters are nested in one another. E.g. when a map is displayed
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as scatter and another scatter is displayed on the map.
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</p>
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<canvas id="canvas3" class="grayBorder interactive">Canvas not supported</canvas>
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<script class="doctest">
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class NestedScatterApp extends PIXIApp {
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sceneFactory() {
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return new ScatterContainer(this.renderer, {
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application: this,
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showBounds: true,
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showPolygon: true,
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app: this
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})
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}
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setup() {
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super.setup()
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// Add the queen to ScatterContainer one
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let woman = PIXI.Sprite.from('../examples/women.jpeg')
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woman.interactive = true
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new DisplayObjectScatter(woman, this.renderer, {
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x: 20,
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y: 40,
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startScale: 2,
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maxScale: 5
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})
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this.scene.addChild(woman)
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let nestedKing = PIXI.Sprite.from('../examples/king.jpeg')
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nestedKing.interactive = true
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new DisplayObjectScatter(nestedKing, this.renderer, {
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x: 20,
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y: 20,
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startScale: 0.3
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})
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woman.addChild(nestedKing)
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let nestedQueen = PIXI.Sprite.from('../examples/women.jpeg')
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nestedQueen.interactive = true
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new DisplayObjectScatter(nestedQueen, this.renderer, {
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x: 40,
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y: 40,
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startScale: 0.3
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})
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woman.addChild(nestedQueen)
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let king = PIXI.Sprite.from('../examples/king.jpeg')
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king.interactive = true
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new DisplayObjectScatter(king, this.renderer, {
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x: 200,
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y: 20,
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startScale: 1
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})
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this.scene.addChild(king)
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return this
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}
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}
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const nestedScatterApp = new NestedScatterApp({
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view: canvas3,
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autoResize: false,
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width: 450,
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height: 250
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})
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.setup()
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.run()
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</script>
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</body>
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</html>
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