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<h1 class="file-heading">File: src/pixi/InteractionData.js</h1>
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<div class="file">
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<pre class="code prettyprint linenums">
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/**
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* @author Mat Groves http://matgroves.com/ @Doormat23
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*/
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/**
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* Holds all information related to an Interaction event
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*
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* @class InteractionData
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* @constructor
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*/
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PIXI.InteractionData = function()
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{
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/**
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* This point stores the global coords of where the touch/mouse event happened
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*
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* @property global
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* @type Point
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*/
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this.global = new PIXI.Point();
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// this is here for legacy... but will remove
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this.local = new PIXI.Point();
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/**
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* The target Sprite that was interacted with
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*
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* @property target
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* @type Sprite
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*/
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this.target = null;
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/**
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* When passed to an event handler, this will be the original DOM Event that was captured
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*
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* @property originalEvent
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* @type Event
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*/
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this.originalEvent = null;
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};
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/**
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* This will return the local coordinates of the specified displayObject for this InteractionData
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*
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* @method getLocalPosition
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* @param displayObject {DisplayObject} The DisplayObject that you would like the local coords off
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* @return {Point} A point containing the coordinates of the InteractionData position relative to the DisplayObject
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*/
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PIXI.InteractionData.prototype.getLocalPosition = function(displayObject)
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{
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var worldTransform = displayObject.worldTransform;
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var global = this.global;
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// do a cheeky transform to get the mouse coords;
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var a00 = worldTransform.a, a01 = worldTransform.b, a02 = worldTransform.tx,
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a10 = worldTransform.c, a11 = worldTransform.d, a12 = worldTransform.ty,
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id = 1 / (a00 * a11 + a01 * -a10);
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// set the mouse coords...
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return new PIXI.Point(a11 * id * global.x + -a01 * id * global.y + (a12 * a01 - a02 * a11) * id,
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a00 * id * global.y + -a10 * id * global.x + (-a12 * a00 + a02 * a10) * id);
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};
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// constructor
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PIXI.InteractionData.prototype.constructor = PIXI.InteractionData;
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</pre>
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