phaser/src/gameobjects/Sprite.js

Phaser.Sprite = function (game, x, y, key, frame) {

    x = x || 0;
    y = y || 0;
    //  if null we ought to set to the phaser logo or something :)
    key = key || null;
    frame = frame || null;

	this.game = game;

    this.exists = true;
    this.active = true;
    this.visible = true;
    this.alive = true;

    this.group = null;

    this.name = '';

    // this.events = new Phaser.Components.Events(this);

    /**
     * This manages animations of the sprite. You can modify animations through it. (see AnimationManager)
     * @type AnimationManager
     */
    this.animations = new Phaser.AnimationManager(this);

	PIXI.DisplayObjectContainer.call(this);

	/**
	 * The anchor sets the origin point of the texture.
	 * The default is 0,0 this means the textures origin is the top left 
	 * Setting than anchor to 0.5,0.5 means the textures origin is centered
	 * Setting the anchor to 1,1 would mean the textures origin points will be the bottom right
	 *
     * @property anchor
     * @type Point
     */
	this.anchor = new Phaser.Point();

    /**
     * The width of the sprite (this is initially set by the texture)
     *
     * @property _width
     * @type Number
     * @private
     */
    // this._width = 0;

    /**
     * The height of the sprite (this is initially set by the texture)
     *
     * @property _height
     * @type Number
     * @private
     */
    // this._height = 0;

	/**
	 * The texture that the sprite is using
	 *
	 * @property texture
	 * @type Texture
	 */
	this.texture = PIXI.TextureCache[key];

    if (this.game.cache.isSpriteSheet(key))
    {
        this.animations.loadFrameData(this.game.cache.getFrameData(key));
    }

    if (frame !== null)
    {
        if (typeof frame === 'string')
        {
            this.frameName = frame;
        }
        else
        {
            this.frame = frame;
        }
    }

	/**
	 * The blend mode of sprite.
	 * currently supports PIXI.blendModes.NORMAL and PIXI.blendModes.SCREEN
	 *
	 * @property blendMode
	 * @type Number
	 */
	this.blendMode = PIXI.blendModes.NORMAL;

    this._x = x;
    this._y = y;

    this.updateFrame = true;
	this.renderable = true;

	this.position.x = x;
	this.position.y = y;

    //  Replaces the PIXI.Point with a slightly more flexible one
    this.scale = new Phaser.Point(1, 1);

    this.scrollFactor = new Phaser.Point(1, 1);

    this.worldView = new Phaser.Rectangle(x, y, this.width, this.height);

};

Phaser.Sprite.prototype = Object.create(PIXI.Sprite.prototype);
Phaser.Sprite.prototype.constructor = Phaser.Sprite;

/**
 * Automatically called after update() by the game loop for all 'alive' objects.
 */
Phaser.Sprite.prototype.update = function() {

    this.animations.update();

    this.worldView.setTo(this._x, this._y, this.width, this.height);

    this.position.x = this._x - (this.game.world.camera.x * this.scrollFactor.x);
    this.position.y = this._y - (this.game.world.camera.y * this.scrollFactor.y);

    // this.checkBounds();

}

Object.defineProperty(Phaser.Sprite.prototype, 'angle', {

    get: function() {
        return Phaser.Math.radToDeg(this.rotation);
    },

    set: function(value) {
        this.rotation = Phaser.Math.degToRad(value);
    }

});

Object.defineProperty(Phaser.Sprite.prototype, 'x', {

    get: function() {
        return this._x;
    },

    set: function(value) {
        this.worldView.x = value;
    	this._x = value;
    }

});

Object.defineProperty(Phaser.Sprite.prototype, 'y', {

    get: function() {
        return this._y;
    },

    set: function(value) {
        this.worldView.y = value;
    	this._y = value;
    }

});

Object.defineProperty(Phaser.Sprite.prototype, "frame", {
    
	/**
    * Get the animation frame number.
    */
    get: function () {
        return this.animations.frame;
    },

	/**
    * Set the animation frame by frame number.
    */
    set: function (value) {
        this.animations.frame = value;
    }

});

Object.defineProperty(Phaser.Sprite.prototype, "frameName", {
    
	/**
    * Get the animation frame name.
    */
    get: function () {
        return this.animations.frameName;
    },

	/**
    * Set the animation frame by frame name.
    */
    set: function (value) {
        this.animations.frameName = value;
    }

});