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photonstorm
3d0b5bde75
Ready for Materials and Constraints. InversePointProxy is for aliasing a p2 typed array when the values need reversing before applying (gravity for example).
62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2014 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* A InversePointProxy is an internal class that allows for direct getter/setter style property access to Arrays and TypedArrays but inverses the values on set.
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*
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* @class Phaser.Physics.InversePointProxy
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* @classdesc InversePointProxy
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* @constructor
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* @param {any} destination - The object to bind to.
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*/
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Phaser.Physics.InversePointProxy = function (destination) {
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this.destination = destination;
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};
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Phaser.Physics.InversePointProxy.prototype.constructor = Phaser.Physics.InversePointProxy;
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/**
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* @name Phaser.Physics.InversePointProxy#x
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* @property {number} x - The x property of this InversePointProxy.
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*/
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Object.defineProperty(Phaser.Physics.InversePointProxy.prototype, "x", {
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get: function () {
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return this.destination[0];
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},
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set: function (value) {
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this.destination[0] *= -value;
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}
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});
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/**
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* @name Phaser.Physics.InversePointProxy#y
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* @property {number} y - The y property of this InversePointProxy.
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*/
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Object.defineProperty(Phaser.Physics.InversePointProxy.prototype, "y", {
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get: function () {
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return this.destination[1];
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},
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set: function (value) {
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this.destination[1] *= -value;
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}
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});
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