Phaser Source: src/physics/p2/InversePointProxy.js

# Source: src/physics/p2/InversePointProxy.js

    /**
    * @author       Richard Davey <rich@photonstorm.com>
    * @copyright    2016 Photon Storm Ltd.
    * @license      {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
    */

    /**
    * 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.
    *
    * @class Phaser.Physics.P2.InversePointProxy
    * @constructor
    * @param {Phaser.Physics.P2} world - A reference to the P2 World.
    * @param {any} destination - The object to bind to.
    */
    Phaser.Physics.P2.InversePointProxy = function (world, destination) {

        this.world = world;
    	this.destination = destination;

    };

    Phaser.Physics.P2.InversePointProxy.prototype.constructor = Phaser.Physics.P2.InversePointProxy;

    /**
    * @name Phaser.Physics.P2.InversePointProxy#x
    * @property {number} x - The x property of this InversePointProxy get and set in pixels.
    */
    Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "x", {

        get: function () {

            return this.world.mpxi(this.destination[0]);

        },

        set: function (value) {

            this.destination[0] = this.world.pxmi(value);

        }

    });

    /**
    * @name Phaser.Physics.P2.InversePointProxy#y
    * @property {number} y - The y property of this InversePointProxy get and set in pixels.
    */
    Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "y", {

        get: function () {

            return this.world.mpxi(this.destination[1]);

        },

        set: function (value) {

            this.destination[1] = this.world.pxmi(value);

        }

    });

    /**
    * @name Phaser.Physics.P2.InversePointProxy#mx
    * @property {number} mx - The x property of this InversePointProxy get and set in meters.
    */
    Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "mx", {

        get: function () {

            return this.destination[0];

        },

        set: function (value) {

            this.destination[0] = -value;

        }

    });

    /**
    * @name Phaser.Physics.P2.InversePointProxy#my
    * @property {number} my - The y property of this InversePointProxy get and set in meters.
    */
    Object.defineProperty(Phaser.Physics.P2.InversePointProxy.prototype, "my", {

        get: function () {

            return this.destination[1];

        },

        set: function (value) {

            this.destination[1] = -value;

        }

    });