CCNode.js

/****************************************************************************
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011-2012 cocos2d-x.org
 Copyright (c) 2013-2014 Chukong Technologies Inc.

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/**
 * Default Node tag
 * @constant
 * @type Number
 */
cc.NODE_TAG_INVALID = -1;

/**
 * XXX: Yes, nodes might have a sort problem once every 15 days if the game runs at 60 FPS and each frame sprites are reordered.
 */
cc.s_globalOrderOfArrival = 1;

/**
 * <p>cc.Node is the root class of all node. Anything that gets drawn or contains things that get drawn is a cc.Node.<br/>
 * The most popular cc.Nodes are: cc.Scene, cc.Layer, cc.Sprite, cc.Menu.</p>
 *
 * <p>The main features of a cc.Node are: <br/>
 * - They can contain other cc.Node nodes (addChild, getChildByTag, removeChild, etc) <br/>
 * - They can schedule periodic callback (schedule, unschedule, etc) <br/>
 * - They can execute actions (runAction, stopAction, etc) <br/></p>
 *
 * <p>Some cc.Node nodes provide extra functionality for them or their children.</p>
 *
 * <p>Subclassing a cc.Node usually means (one/all) of: <br/>
 * - overriding constructor function "ctor" to initialize resources and schedule callbacks<br/>
 * - create callbacks to handle the advancement of time<br/></p>
 *
 * <p>Features of cc.Node: <br/>
 * - position  <br/>
 * - scale (x, y) <br/>
 * - rotation (in degrees, clockwise)<br/>
 * - anchor point<br/>
 * - size <br/>
 * - color <br/>
 * - opacity <br/>
 * - visible<br/>
 * - z-order<br/>
 * - WebGL z position<br/></P>
 *
 * <p> Default values: <br/>
 * - rotation: 0 <br/>
 * - position: (x=0,y=0) <br/>
 * - scale: (x=1,y=1) <br/>
 * - contentSize: (x=0,y=0)<br/>
 * - anchorPoint: (x=0,y=0)<br/>
 * - color: (r=255,g=255,b=255)<br/>
 * - opacity: 255</p>
 *
 * <p> Limitations:<br/>
 * - A cc.Node is a "void" object. It doesn't have a texture <br/></P>
 *
 * <p>Order in transformations with grid disabled <br/>
 * -# The node will be translated (position)  <br/>
 * -# The node will be rotated (rotation)<br/>
 * -# The node will be scaled (scale)  <br/>
 *
 * <p>Order in transformations with grid enabled<br/>
 * -# The node will be translated (position)<br/>
 * -# The node will be rotated (rotation) <br/>
 * -# The node will be scaled (scale) <br/>
 * -# The grid will capture the screen <br/>
 * -# The node will be moved according to the camera values (camera) <br/>
 * -# The grid will render the captured screen <br/></P>
 *
 * @class
 * @extends cc.Class
 *
 * @property {Number}               x                   - x axis position of node
 * @property {Number}               y                   - y axis position of node
 * @property {Number}               width               - Width of node
 * @property {Number}               height              - Height of node
 * @property {Number}               anchorX             - Anchor point's position on x axis
 * @property {Number}               anchorY             - Anchor point's position on y axis
 * @property {Boolean}              ignoreAnchor        - Indicate whether ignore the anchor point property for positioning
 * @property {Number}               skewX               - Skew x
 * @property {Number}               skewY               - Skew y
 * @property {Number}               zIndex              - Z order in depth which stands for the drawing order
 * @property {Number}               vertexZ             - WebGL Z vertex of this node, z order works OK if all the nodes uses the same openGL Z vertex
 * @property {Number}               rotation            - Rotation of node
 * @property {Number}               rotationX           - Rotation on x axis
 * @property {Number}               rotationY           - Rotation on y axis
 * @property {Number}               scale               - Scale of node
 * @property {Number}               scaleX              - Scale on x axis
 * @property {Number}               scaleY              - Scale on y axis
 * @property {Boolean}              visible             - Indicate whether node is visible or not
 * @property {cc.Color}             color               - Color of node, default value is white: (255, 255, 255)
 * @property {Boolean}              cascadeColor        - Indicate whether node's color value affect its child nodes, default value is false
 * @property {Number}               opacity             - Opacity of node, default value is 255
 * @property {Boolean}              opacityModifyRGB    - Indicate whether opacity affect the color value, default value is false
 * @property {Boolean}              cascadeOpacity      - Indicate whether node's opacity value affect its child nodes, default value is false
 * @property {Array}                children            - <@readonly> All children nodes
 * @property {Number}               childrenCount       - <@readonly> Number of children
 * @property {cc.Node}              parent              - Parent node
 * @property {Boolean}              running             - <@readonly> Indicate whether node is running or not
 * @property {Number}               tag                 - Tag of node
 * @property {Object}               userData            - Custom user data
 * @property {Object}               userObject          - User assigned CCObject, similar to userData, but instead of holding a void* it holds an id
 * @property {Number}               arrivalOrder        - The arrival order, indicates which children is added previously
 * @property {cc.ActionManager}     actionManager       - The CCActionManager object that is used by all actions.
 * @property {cc.Scheduler}         scheduler           - cc.Scheduler used to schedule all "updates" and timers.
 * @property {cc.GridBase}          grid                - grid object that is used when applying effects
 * @property {cc.GLProgram}         shaderProgram       - The shader program currently used for this node
 * @property {Number}               glServerState       - The state of OpenGL server side
 */
cc.Node = cc.Class.extend(/** @lends cc.Node# */{
    _localZOrder: 0,                                     ///< Local order (relative to its siblings) used to sort the node
    _globalZOrder: 0,                                    ///< Global order used to sort the node
    _vertexZ: 0.0,
    _customZ: NaN,

    _rotationX: 0,
    _rotationY: 0.0,
    _scaleX: 1.0,
    _scaleY: 1.0,
    _position: null,

    _normalizedPosition:null,
    _usingNormalizedPosition: false,
    _normalizedPositionDirty: false,

    _skewX: 0.0,
    _skewY: 0.0,
    // children (lazy allocs),
    _children: null,
    // lazy alloc,
    _visible: true,
    _anchorPoint: null,
    _contentSize: null,
    _running: false,
    _parent: null,

    // "whole screen" objects. like Scenes and Layers, should set _ignoreAnchorPointForPosition to true
    _ignoreAnchorPointForPosition: false,
    tag: cc.NODE_TAG_INVALID,
    // userData is always initialized as nil
    userData: null,
    userObject: null,

    //since 2.0 api
    _reorderChildDirty: false,
    _shaderProgram: null,
    arrivalOrder: 0,

    _actionManager: null,
    _scheduler: null,
    _eventDispatcher: null,

    _additionalTransformDirty: false,
    _additionalTransform: null,
    _componentContainer: null,
    _isTransitionFinished: false,

    _className: "Node",
    _showNode: false,
    _name: "",                     ///<a string label, an user defined string to identify this node

    _realOpacity: 255,
    _realColor: null,
    _cascadeColorEnabled: false,
    _cascadeOpacityEnabled: false,

    _renderCmd:null,

    _camera: null,

    /**
     * Constructor function, override it to extend the construction behavior, remember to call "this._super()" in the extended "ctor" function.
     * @function
     */
    ctor: function(){
        this._initNode();
        this._initRendererCmd();
    },

    _initNode: function () {
        var _t = this;
        _t._anchorPoint = cc.p(0, 0);
        _t._contentSize = cc.size(0, 0);
        _t._position = cc.p(0, 0);
        _t._normalizedPosition = cc.p(0,0);
        _t._children = [];

        var director = cc.director;
        _t._actionManager = director.getActionManager();
        _t._scheduler = director.getScheduler();

        _t._additionalTransform = cc.affineTransformMakeIdentity();
        if (cc.ComponentContainer) {
            _t._componentContainer = new cc.ComponentContainer(_t);
        }

        this._realOpacity = 255;
        this._realColor = cc.color(255, 255, 255, 255);
        this._cascadeColorEnabled = false;
        this._cascadeOpacityEnabled = false;
    },

    /**
     * Initializes the instance of cc.Node
     * @function
     * @returns {boolean} Whether the initialization was successful.
     */
    init: function () {
        //this._initNode();   //this has been called in ctor.
        return true;
    },

    _arrayMakeObjectsPerformSelector: function (array, callbackType) {
        if (!array || array.length === 0)
            return;

        var i, len = array.length, node;
        var nodeCallbackType = cc.Node._stateCallbackType;
        switch (callbackType) {
            case nodeCallbackType.onEnter:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.onEnter();
                }
                break;
            case nodeCallbackType.onExit:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.onExit();
                }
                break;
            case nodeCallbackType.onEnterTransitionDidFinish:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.onEnterTransitionDidFinish();
                }
                break;
            case nodeCallbackType.cleanup:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.cleanup();
                }
                break;
            case nodeCallbackType.updateTransform:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.updateTransform();
                }
                break;
            case nodeCallbackType.onExitTransitionDidStart:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.onExitTransitionDidStart();
                }
                break;
            case nodeCallbackType.sortAllChildren:
                for (i = 0; i < len; i++) {
                    node = array[i];
                    if (node)
                        node.sortAllChildren();
                }
                break;
            default :
                cc.assert(0, cc._LogInfos.Node__arrayMakeObjectsPerformSelector);
                break;
        }
    },

    /**
     * <p>Properties configuration function </br>
     * All properties in attrs will be set to the node, </br>
     * when the setter of the node is available, </br>
     * the property will be set via setter function.</br>
     * </p>
     * @function
     * @param {Object} attrs Properties to be set to node
     */
    attr: function (attrs) {
        for (var key in attrs) {
            this[key] = attrs[key];
        }
    },

    /**
     * <p>Returns the skew degrees in X </br>
     * The X skew angle of the node in degrees.  <br/>
     * This angle describes the shear distortion in the X direction.<br/>
     * Thus, it is the angle between the Y axis and the left edge of the shape </br>
     * The default skewX angle is 0. Positive values distort the node in a CW direction.</br>
     * </p>
     * @function
     * @return {Number} The X skew angle of the node in degrees.
     */
    getSkewX: function () {
        return this._skewX;
    },

    /**
     * <p>
     * Changes the X skew angle of the node in degrees.                                                    <br/>
     * <br/>
     * This angle describes the shear distortion in the X direction.                                       <br/>
     * Thus, it is the angle between the Y axis and the left edge of the shape                             <br/>
     * The default skewX angle is 0. Positive values distort the node in a CW direction.
     * </p>
     * @function
     * @param {Number} newSkewX The X skew angle of the node in degrees.
     */
    setSkewX: function (newSkewX) {
        this._skewX = newSkewX;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p>Returns the skew degrees in Y               <br/>
     * The Y skew angle of the node in degrees.                            <br/>
     * This angle describes the shear distortion in the Y direction.       <br/>
     * Thus, it is the angle between the X axis and the bottom edge of the shape       <br/>
     * The default skewY angle is 0. Positive values distort the node in a CCW direction.    <br/>
     * </p>
     * @function
     * @return {Number} The Y skew angle of the node in degrees.
     */
    getSkewY: function () {
        return this._skewY;
    },

    /**
     * <p>
     * Changes the Y skew angle of the node in degrees.                                                        <br/>
     *                                                                                                         <br/>
     * This angle describes the shear distortion in the Y direction.                                           <br/>
     * Thus, it is the angle between the X axis and the bottom edge of the shape                               <br/>
     * The default skewY angle is 0. Positive values distort the node in a CCW direction.                      <br/>
     * </p>
     * @function
     * @param {Number} newSkewY  The Y skew angle of the node in degrees.
     */
    setSkewY: function (newSkewY) {
        this._skewY = newSkewY;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p> LocalZOrder is the 'key' used to sort the node relative to its siblings.                                    <br/>
     *                                                                                                                 <br/>
     * The Node's parent will sort all its children based ont the LocalZOrder value.                                   <br/>
     * If two nodes have the same LocalZOrder, then the node that was added first to the children's array              <br/>
     * will be in front of the other node in the array.                                                                <br/>
     * <br/>
     * Also, the Scene Graph is traversed using the "In-Order" tree traversal algorithm ( http://en.wikipedia.org/wiki/Tree_traversal#In-order )
     * <br/>
     * And Nodes that have LocalZOder values < 0 are the "left" subtree                                                 <br/>
     * While Nodes with LocalZOder >=0 are the "right" subtree.    </p>
     * @function
     * @param {Number} localZOrder
     */
    setLocalZOrder: function (localZOrder) {
        this._localZOrder = localZOrder;
        if (this._parent)
            this._parent.reorderChild(this, localZOrder);
        cc.eventManager._setDirtyForNode(this);
    },

    //Helper function used by `setLocalZOrder`. Don't use it unless you know what you are doing.
    _setLocalZOrder: function (localZOrder) {
        this._localZOrder = localZOrder;
    },

    /**
     * Returns the local Z order of this node.
     * @function
     * @returns {Number} The local (relative to its siblings) Z order.
     */
    getLocalZOrder: function () {
        return this._localZOrder;
    },

    /**
     * Returns z order of this node
     * @function
     * @return {Number}
     * @deprecated since 3.0, please use getLocalZOrder instead
     */
    getZOrder: function () {
        cc.log(cc._LogInfos.Node_getZOrder);
        return this.getLocalZOrder();
    },

    /**
     * <p>
     *     Sets the Z order which stands for the drawing order, and reorder this node in its parent's children array.     <br/>
     *                                                                                                                    <br/>
     *      The Z order of node is relative to its "brothers": children of the same parent.                               <br/>
     *      It's nothing to do with OpenGL's z vertex. This one only affects the draw order of nodes in cocos2d.          <br/>
     *      The larger number it is, the later this node will be drawn in each message loop.                              <br/>
     *      Please refer to setVertexZ(float) for the difference.
     * </p>
     * @function
     * @param {Number} z Z order of this node.
     * @deprecated since 3.0, please use setLocalZOrder instead
     */
    setZOrder: function (z) {
        cc.log(cc._LogInfos.Node_setZOrder);
        this.setLocalZOrder(z);
    },

    /**
     * <p>Defines the oder in which the nodes are renderer.                                                                               <br/>
     * Nodes that have a Global Z Order lower, are renderer first.                                                                        <br/>
     *                                                                                                                                    <br/>
     * In case two or more nodes have the same Global Z Order, the oder is not guaranteed.                                                <br/>
     * The only exception if the Nodes have a Global Z Order == 0. In that case, the Scene Graph order is used.                           <br/>
     *                                                                                                                                    <br/>
     * By default, all nodes have a Global Z Order = 0. That means that by default, the Scene Graph order is used to render the nodes.    <br/>
     *                                                                                                                                    <br/>
     * Global Z Order is useful when you need to render nodes in an order different than the Scene Graph order.                           <br/>
     *                                                                                                                                    <br/>
     * Limitations: Global Z Order can't be used used by Nodes that have SpriteBatchNode as one of their ancestors.                       <br/>
     * And if ClippingNode is one of the ancestors, then "global Z order" will be relative to the ClippingNode.   </p>
     * @function
     * @param {Number} globalZOrder
     */
    setGlobalZOrder: function (globalZOrder) {
        if (this._globalZOrder !== globalZOrder) {
            this._globalZOrder = globalZOrder;
            cc.eventManager._setDirtyForNode(this);
        }
    },

    /**
     * Return the Node's Global Z Order.
     * @function
     * @returns {number} The node's global Z order
     */
    getGlobalZOrder: function () {
        return this._globalZOrder;
    },

    /**
     * Returns WebGL Z vertex of this node.
     * @function
     * @return {Number} WebGL Z vertex of this node
     */
    getVertexZ: function () {
        return this._vertexZ;
    },

    /**
     * <p>
     *     Sets the real WebGL Z vertex.                                                                          <br/>
     *                                                                                                            <br/>
     *      Differences between openGL Z vertex and cocos2d Z order:                                              <br/>
     *      - WebGL Z modifies the Z vertex, and not the Z order in the relation between parent-children         <br/>
     *      - WebGL Z might require to set 2D projection                                                         <br/>
     *      - cocos2d Z order works OK if all the nodes uses the same WebGL Z vertex. eg: vertexZ = 0            <br/>
     *                                                                                                            <br/>
     *      @warning Use it at your own risk since it might break the cocos2d parent-children z order
     * </p>
     * @function
     * @param {Number} Var
     */
    setVertexZ: function (Var) {
        this._customZ = this._vertexZ = Var;
    },

    /**
     * Returns the rotation (angle) of the node in degrees. 0 is the default rotation angle. Positive values rotate node clockwise.
     * @function
     * @return {Number} The rotation of the node in degrees.
     */
    getRotation: function () {
        if (this._rotationX !== this._rotationY)
            cc.log(cc._LogInfos.Node_getRotation);
        return this._rotationX;
    },

    /**
     * <p>
     *     Sets the rotation (angle) of the node in degrees.                                             <br/>
     *                                                                                                   <br/>
     *      0 is the default rotation angle.                                                             <br/>
     *      Positive values rotate node clockwise, and negative values for anti-clockwise.
     * </p>
     * @function
     * @param {Number} newRotation The rotation of the node in degrees.
     */
    setRotation: function (newRotation) {
        this._rotationX = this._rotationY = newRotation;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the X axis rotation (angle) which represent a horizontal rotational skew of the node in degrees. <br/>
     * 0 is the default rotation angle. Positive values rotate node clockwise<br/>
     * (support only in WebGL rendering mode)
     * @function
     * @return {Number} The X rotation in degrees.
     */
    getRotationX: function () {
        return this._rotationX;
    },

    /**
     * <p>
     *     Sets the X rotation (angle) of the node in degrees which performs a horizontal rotational skew.        <br/>
     *     (support only in WebGL rendering mode)                                                                 <br/>
     *     0 is the default rotation angle.                                                                       <br/>
     *     Positive values rotate node clockwise, and negative values for anti-clockwise.
     * </p>
     * @param {Number} rotationX The X rotation in degrees which performs a horizontal rotational skew.
     */
    setRotationX: function (rotationX) {
        this._rotationX = rotationX;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the Y axis rotation (angle) which represent a vertical rotational skew of the node in degrees. <br/>
     * 0 is the default rotation angle. Positive values rotate node clockwise<br/>
     * (support only in WebGL rendering mode)
     * @function
     * @return {Number} The Y rotation in degrees.
     */
    getRotationY: function () {
        return this._rotationY;
    },

    /**
     * <p>
     *    Sets the Y rotation (angle) of the node in degrees which performs a vertical rotational skew.         <br/>
     *    (support only in WebGL rendering mode)                                                                <br/>
     *    0 is the default rotation angle.                                                                      <br/>
     *    Positive values rotate node clockwise, and negative values for anti-clockwise.
     * </p>
     * @param rotationY The Y rotation in degrees.
     */
    setRotationY: function (rotationY) {
        this._rotationY = rotationY;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the scale factor of the node.
     * @warning: Assertion will fail when _scaleX != _scaleY.
     * @function
     * @return {Number} The scale factor
     */
    getScale: function () {
        if (this._scaleX !== this._scaleY)
            cc.log(cc._LogInfos.Node_getScale);
        return this._scaleX;
    },

    /**
     * Sets the scale factor of the node. 1.0 is the default scale factor. This function can modify the X and Y scale at the same time.
     * @function
     * @param {Number} scale or scaleX value
     * @param {Number} [scaleY=]
     */
    setScale: function (scale, scaleY) {
        this._scaleX = scale;
        this._scaleY = (scaleY || scaleY === 0) ? scaleY : scale;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the scale factor on X axis of this node
     * @function
     * @return {Number} The scale factor on X axis.
     */
    getScaleX: function () {
        return this._scaleX;
    },

    /**
     * <p>
     *     Changes the scale factor on X axis of this node                                   <br/>
     *     The default value is 1.0 if you haven't changed it before
     * </p>
     * @function
     * @param {Number} newScaleX The scale factor on X axis.
     */
    setScaleX: function (newScaleX) {
        this._scaleX = newScaleX;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the scale factor on Y axis of this node
     * @function
     * @return {Number} The scale factor on Y axis.
     */
    getScaleY: function () {
        return this._scaleY;
    },

    /**
     * <p>
     *     Changes the scale factor on Y axis of this node                                            <br/>
     *     The Default value is 1.0 if you haven't changed it before.
     * </p>
     * @function
     * @param {Number} newScaleY The scale factor on Y axis.
     */
    setScaleY: function (newScaleY) {
        this._scaleY = newScaleY;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p>
     *     Changes the position (x,y) of the node in cocos2d coordinates.<br/>
     *     The original point (0,0) is at the left-bottom corner of screen.<br/>
     *     Usually we use cc.p(x,y) to compose CCPoint object.<br/>
     *     and Passing two numbers (x,y) is more efficient than passing CCPoint object.
     * </p>
     * @function
     * @param {cc.Point|Number} newPosOrxValue The position (x,y) of the node in coordinates or the X coordinate for position
     * @param {Number} [yValue] Y coordinate for position
     * @example
     *    var size = cc.winSize;
     *    node.setPosition(size.width/2, size.height/2);
     */
    setPosition: function (newPosOrxValue, yValue) {
        var locPosition = this._position;
        if (yValue === undefined) {
            if(locPosition.x === newPosOrxValue.x && locPosition.y === newPosOrxValue.y)
                return;
            locPosition.x = newPosOrxValue.x;
            locPosition.y = newPosOrxValue.y;
        } else {
            if(locPosition.x === newPosOrxValue && locPosition.y === yValue)
                return;
            locPosition.x = newPosOrxValue;
            locPosition.y = yValue;
        }
        this._usingNormalizedPosition = false;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p>
     * Sets the position (x,y) using values between 0 and 1.                                                <br/>
     * The positions in pixels is calculated like the following:                                            <br/>
     *   _position = _normalizedPosition * parent.getContentSize()
     * </p>
     * @param {cc.Point|Number} posOrX
     * @param {Number} [y]
     */
    setNormalizedPosition: function(posOrX, y){
        var locPosition = this._normalizedPosition;
        if (y === undefined) {
            locPosition.x = posOrX.x;
            locPosition.y = posOrX.y;
        } else {
            locPosition.x = posOrX;
            locPosition.y = y;
        }
        this._normalizedPositionDirty = this._usingNormalizedPosition = true;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p>Returns a copy of the position (x,y) of the node in cocos2d coordinates. (0,0) is the left-bottom corner.</p>
     * @function
     * @return {cc.Point} The position (x,y) of the node in OpenGL coordinates
     */
    getPosition: function () {
        return cc.p(this._position);
    },

    /**
     * returns the normalized position
     * @returns {cc.Point}
     */
    getNormalizedPosition: function(){
        return cc.p(this._normalizedPosition);
    },

    /**
     * <p>Returns the x axis position of the node in cocos2d coordinates.</p>
     * @function
     * @return {Number}
     */
    getPositionX: function () {
        return this._position.x;
    },

    /**
     * <p>Sets the x axis position of the node in cocos2d coordinates.</p>
     * @function
     * @param {Number} x The new position in x axis
     */
    setPositionX: function (x) {
        this._position.x = x;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * <p>Returns the y axis position of the node in cocos2d coordinates.</p>
     * @function
     * @return {Number}
     */
    getPositionY: function () {
        return  this._position.y;
    },

    /**
     * <p>Sets the y axis position of the node in cocos2d coordinates.</p>
     * @function
     * @param {Number} y The new position in y axis
     */
    setPositionY: function (y) {
        this._position.y = y;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /**
     * Returns the amount of children.
     * @function
     * @return {Number} The amount of children.
     */
    getChildrenCount: function () {
        return this._children.length;
    },

    /**
     * Returns an array of all children  <br/>
     * Composing a "tree" structure is a very important feature of CCNode
     * @function
     * @return {Array} An array of children
     * @example
     *  //This sample code traverses all children nodes, and set their position to (0,0)
     *  var allChildren = parent.getChildren();
     *  for(var i = 0; i< allChildren.length; i++) {
     *      allChildren[i].setPosition(0,0);
     *  }
     */
    getChildren: function () {
        return this._children;
    },

    /**
     * Returns if the node is visible
     * @function
     * @see cc.Node#setVisible
     * @return {Boolean} true if the node is visible, false if the node is hidden.
     */
    isVisible: function () {
        return this._visible;
    },

    /**
     * Sets whether the node is visible <br/>
     * The default value is true
     * @function
     * @param {Boolean} visible Pass true to make the node visible, false to hide the node.
     */
    setVisible: function (visible) {
        if(this._visible !== visible){
            this._visible = visible;
            //if(visible)
            this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
            cc.renderer.childrenOrderDirty = true;
        }
    },

    /**
     *  <p>Returns a copy of the anchor point.<br/>
     *  Anchor point is the point around which all transformations and positioning manipulations take place.<br/>
     *  It's like a pin in the node where it is "attached" to its parent. <br/>
     *  The anchorPoint is normalized, like a percentage. (0,0) means the bottom-left corner and (1,1) means the top-right corner. <br/>
     *  But you can use values higher than (1,1) and lower than (0,0) too.  <br/>
     *  The default anchor point is (0.5,0.5), so it starts at the center of the node. <br/></p>
     * @function
     * @return {cc.Point}  The anchor point of node.
     */
    getAnchorPoint: function () {
        return cc.p(this._anchorPoint);
    },

    /**
     * <p>
     *     Sets the anchor point in percent.                                                                                              <br/>
     *                                                                                                                                    <br/>
     *     anchor point is the point around which all transformations and positioning manipulations take place.                            <br/>
     *     It's like a pin in the node where it is "attached" to its parent.                                                              <br/>
     *     The anchorPoint is normalized, like a percentage. (0,0) means the bottom-left corner and (1,1) means the top-right corner.     <br/>
     *     But you can use values higher than (1,1) and lower than (0,0) too.                                                             <br/>
     *     The default anchor point is (0.5,0.5), so it starts at the center of the node.
     * </p>
     * @function
     * @param {cc.Point|Number} point The anchor point of node or The x axis anchor of node.
     * @param {Number} [y] The y axis anchor of node.
     */
    setAnchorPoint: function (point, y) {
        var locAnchorPoint = this._anchorPoint;
        if (y === undefined) {
            if ((point.x === locAnchorPoint.x) && (point.y === locAnchorPoint.y))
                return;
            locAnchorPoint.x = point.x;
            locAnchorPoint.y = point.y;
        } else {
            if ((point === locAnchorPoint.x) && (y === locAnchorPoint.y))
                return;
            locAnchorPoint.x = point;
            locAnchorPoint.y = y;
        }
        this._renderCmd._updateAnchorPointInPoint();
    },

    _getAnchorX: function () {
        return this._anchorPoint.x;
    },
    _setAnchorX: function (x) {
        if (this._anchorPoint.x === x) return;
        this._anchorPoint.x = x;
        this._renderCmd._updateAnchorPointInPoint();
    },
    _getAnchorY: function () {
        return this._anchorPoint.y;
    },
    _setAnchorY: function (y) {
        if (this._anchorPoint.y === y) return;
        this._anchorPoint.y = y;
        this._renderCmd._updateAnchorPointInPoint();
    },

    /**
     * Returns a copy of the anchor point in absolute pixels.  <br/>
     * you can only read it. If you wish to modify it, use setAnchorPoint
     * @see cc.Node#getAnchorPoint
     * @function
     * @return {cc.Point} The anchor point in absolute pixels.
     */
    getAnchorPointInPoints: function () {
        return this._renderCmd.getAnchorPointInPoints();
    },

    _getWidth: function () {
        return this._contentSize.width;
    },
    _setWidth: function (width) {
        this._contentSize.width = width;
        this._renderCmd._updateAnchorPointInPoint();
    },
    _getHeight: function () {
        return this._contentSize.height;
    },
    _setHeight: function (height) {
        this._contentSize.height = height;
        this._renderCmd._updateAnchorPointInPoint();
    },

    /**
     * <p>Returns a copy the untransformed size of the node. <br/>
     * The contentSize remains the same no matter the node is scaled or rotated.<br/>
     * All nodes has a size. Layer and Scene has the same size of the screen by default. <br/></p>
     * @function
     * @return {cc.Size} The untransformed size of the node.
     */
    getContentSize: function () {
        return cc.size(this._contentSize);
    },

    /**
     * <p>
     *     Sets the untransformed size of the node.                                             <br/>
     *                                                                                          <br/>
     *     The contentSize remains the same no matter the node is scaled or rotated.            <br/>
     *     All nodes has a size. Layer and Scene has the same size of the screen.
     * </p>
     * @function
     * @param {cc.Size|Number} size The untransformed size of the node or The untransformed size's width of the node.
     * @param {Number} [height] The untransformed size's height of the node.
     */
    setContentSize: function (size, height) {
        var locContentSize = this._contentSize;
        if (height === undefined) {
            if ((size.width === locContentSize.width) && (size.height === locContentSize.height))
                return;
            locContentSize.width = size.width;
            locContentSize.height = size.height;
        } else {
            if ((size === locContentSize.width) && (height === locContentSize.height))
                return;
            locContentSize.width = size;
            locContentSize.height = height;
        }
        this._renderCmd._updateAnchorPointInPoint();
    },

    /**
     * <p>
     *     Returns whether or not the node accepts event callbacks.                                     <br/>
     *     Running means the node accept event callbacks like onEnter(), onExit(), update()
     * </p>
     * @function
     * @return {Boolean} Whether or not the node is running.
     */
    isRunning: function () {
        return this._running;
    },

    /**
     * Returns a reference to the parent node
     * @function
     * @return {cc.Node} A reference to the parent node
     */
    getParent: function () {
        return this._parent;
    },

    /**
     * Sets the parent node
     * @param {cc.Node} parent A reference to the parent node
     */
    setParent: function (parent) {
        this._parent = parent;
    },

    /**
     * Returns whether the anchor point will be ignored when you position this node.<br/>
     * When anchor point ignored, position will be calculated based on the origin point (0, 0) in parent's coordinates.
     * @function
     * @see cc.Node#ignoreAnchorPointForPosition
     * @return {Boolean} true if the anchor point will be ignored when you position this node.
     */
    isIgnoreAnchorPointForPosition: function () {
        return this._ignoreAnchorPointForPosition;
    },

    /**
     * <p>
     *     Sets whether the anchor point will be ignored when you position this node.                              <br/>
     *     When anchor point ignored, position will be calculated based on the origin point (0, 0) in parent's coordinates.  <br/>
     *     This is an internal method, only used by CCLayer and CCScene. Don't call it outside framework.        <br/>
     *     The default value is false, while in CCLayer and CCScene are true
     * </p>
     * @function
     * @param {Boolean} newValue true if anchor point will be ignored when you position this node
     */
    ignoreAnchorPointForPosition: function (newValue) {
        if (newValue !== this._ignoreAnchorPointForPosition) {
            this._ignoreAnchorPointForPosition = newValue;
            this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
        }
    },

    /**
     * Returns a tag that is used to identify the node easily.
     * @function
     * @return {Number} An integer that identifies the node.
     * @example
     *  //You can set tags to node then identify them easily.
     * // set tags
     * node1.setTag(TAG_PLAYER);
     * node2.setTag(TAG_MONSTER);
     * node3.setTag(TAG_BOSS);
     * parent.addChild(node1);
     * parent.addChild(node2);
     * parent.addChild(node3);
     * // identify by tags
     * var allChildren = parent.getChildren();
     * for(var i = 0; i < allChildren.length; i++){
     *     switch(node.getTag()) {
     *         case TAG_PLAYER:
     *             break;
     *         case TAG_MONSTER:
     *             break;
     *         case TAG_BOSS:
     *             break;
     *     }
     * }
     */
    getTag: function () {
        return this.tag;
    },

    /**
     * Changes the tag that is used to identify the node easily. <br/>
     * Please refer to getTag for the sample code.
     * @function
     * @see cc.Node#getTag
     * @param {Number} tag A integer that identifies the node.
     */
    setTag: function (tag) {
        this.tag = tag;
    },

    /**
     * Changes the name that is used to identify the node easily.
     * @function
     * @param {String} name
     */
    setName: function(name){
         this._name = name;
    },

    /**
     * Returns a string that is used to identify the node.
     * @function
     * @returns {string} A string that identifies the node.
     */
    getName: function(){
        return this._name;
    },

    /**
     * <p>
     *     Returns a custom user data pointer                                                               <br/>
     *     You can set everything in UserData pointer, a data block, a structure or an object.
     * </p>
     * @function
     * @return {object}  A custom user data pointer
     */
    getUserData: function () {
        return this.userData;
    },

    /**
     * <p>
     *    Sets a custom user data reference                                                                   <br/>
     *    You can set everything in UserData reference, a data block, a structure or an object, etc.
     * </p>
     * @function
     * @warning Don't forget to release the memory manually in JSB, especially before you change this data pointer, and before this node is autoreleased.
     * @param {object} Var A custom user data
     */
    setUserData: function (Var) {
        this.userData = Var;
    },

    /**
     * Returns a user assigned cocos2d object.                             <br/>
     * Similar to userData, but instead of holding all kinds of data it can only hold a cocos2d object
     * @function
     * @return {object} A user assigned CCObject
     */
    getUserObject: function () {
        return this.userObject;
    },

    /**
     * <p>
     *      Sets a user assigned cocos2d object                                                                                       <br/>
     *      Similar to UserData, but instead of holding all kinds of data it can only hold a cocos2d object                        <br/>
     *      In JSB, the UserObject will be retained once in this method, and the previous UserObject (if existed) will be release. <br/>
     *      The UserObject will be released in CCNode's destruction.
     * </p>
     * @param {object} newValue A user cocos2d object
     */
    setUserObject: function (newValue) {
        if (this.userObject !== newValue)
            this.userObject = newValue;
    },


    /**
     * Returns the arrival order, indicates which children should be added previously.
     * @function
     * @return {Number} The arrival order.
     */
    getOrderOfArrival: function () {
        return this.arrivalOrder;
    },

    /**
     * <p>
     *     Sets the arrival order when this node has a same ZOrder with other children.                             <br/>
     *                                                                                                              <br/>
     *     A node which called addChild subsequently will take a larger arrival order,                              <br/>
     *     If two children have the same Z order, the child with larger arrival order will be drawn later.
     * </p>
     * @function
     * @warning This method is used internally for zOrder sorting, don't change this manually
     * @param {Number} Var  The arrival order.
     */
    setOrderOfArrival: function (Var) {
        this.arrivalOrder = Var;
    },

    /**
     * <p>Returns the CCActionManager object that is used by all actions.<br/>
     * (IMPORTANT: If you set a new cc.ActionManager, then previously created actions are going to be removed.)</p>
     * @function
     * @see cc.Node#setActionManager
     * @return {cc.ActionManager} A CCActionManager object.
     */
    getActionManager: function () {
        if (!this._actionManager)
            this._actionManager = cc.director.getActionManager();
        return this._actionManager;
    },

    /**
     * <p>Sets the cc.ActionManager object that is used by all actions. </p>
     * @function
     * @warning If you set a new CCActionManager, then previously created actions will be removed.
     * @param {cc.ActionManager} actionManager A CCActionManager object that is used by all actions.
     */
    setActionManager: function (actionManager) {
        if (this._actionManager !== actionManager) {
            this.stopAllActions();
            this._actionManager = actionManager;
        }
    },

    /**
     * <p>
     *   Returns the cc.Scheduler object used to schedule all "updates" and timers.
     * </p>
     * @function
     * @return {cc.Scheduler} A CCScheduler object.
     */
    getScheduler: function () {
        if (!this._scheduler)
            this._scheduler = cc.director.getScheduler();
        return this._scheduler;
    },

    /**
     * <p>
     *   Sets a CCScheduler object that is used to schedule all "updates" and timers.           <br/>
     *   IMPORTANT: If you set a new cc.Scheduler, then previously created timers/update are going to be removed.
     * </p>
     * @function
     * @warning If you set a new CCScheduler, then previously created timers/update are going to be removed.
     * @param scheduler A cc.Scheduler object that is used to schedule all "update" and timers.
     */
    setScheduler: function (scheduler) {
        if (this._scheduler !== scheduler) {
            this.unscheduleAllCallbacks();
            this._scheduler = scheduler;
        }
    },

    /**
     * Returns a "local" axis aligned bounding box of the node. <br/>
     * @deprecated since v3.0, please use getBoundingBox instead
     * @return {cc.Rect}
     */
    boundingBox: function(){
        cc.log(cc._LogInfos.Node_boundingBox);
        return this.getBoundingBox();
    },

    /**
     * Returns a "local" axis aligned bounding box of the node. <br/>
     * The returned box is relative only to its parent.
     * @function
     * @return {cc.Rect} The calculated bounding box of the node
     */
    getBoundingBox: function () {
        var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
        return cc._rectApplyAffineTransformIn(rect, this.getNodeToParentTransform());
    },

    /**
     * Stops all running actions and schedulers
     * @function
     */
    cleanup: function () {
        // actions
        this.stopAllActions();
        this.unscheduleAllCallbacks();

        // event
        cc.eventManager.removeListeners(this);

        // timers
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.cleanup);
    },

    // composition: GET
    /**
     * Returns a child from the container given its tag
     * @function
     * @param {Number} aTag An identifier to find the child node.
     * @return {cc.Node} a CCNode object whose tag equals to the input parameter
     */
    getChildByTag: function (aTag) {
        var __children = this._children;
        if (__children !== null) {
            for (var i = 0; i < __children.length; i++) {
                var node = __children[i];
                if (node && node.tag === aTag)
                    return node;
            }
        }
        return null;
    },

    /**
     * Returns a child from the container given its name
     * @function
     * @param {String} name A name to find the child node.
     * @return {cc.Node} a CCNode object whose name equals to the input parameter
     */
    getChildByName: function(name){
        if(!name){
            cc.log("Invalid name");
            return null;
        }

        var locChildren = this._children;
        for(var i = 0, len = locChildren.length; i < len; i++){
           if(locChildren[i]._name === name)
            return locChildren[i];
        }
        return null;
    },

    // composition: ADD

    /** <p>"add" logic MUST only be in this method <br/> </p>
     *
     * <p>If the child is added to a 'running' node, then 'onEnter' and 'onEnterTransitionDidFinish' will be called immediately.</p>
     * @function
     * @param {cc.Node} child  A child node
     * @param {Number} [localZOrder=]  Z order for drawing priority. Please refer to setZOrder(int)
     * @param {Number|String} [tag=]  An integer or a name to identify the node easily. Please refer to setTag(int) and setName(string)
     */
    addChild: function (child, localZOrder, tag) {
        localZOrder = localZOrder === undefined ? child._localZOrder : localZOrder;
        var name, setTag = false;
        if(cc.isUndefined(tag)){
            tag = undefined;
            name = child._name;
        } else if(cc.isString(tag)){
            name = tag;
            tag = undefined;
        } else if(cc.isNumber(tag)){
            setTag = true;
            name = "";
        }

        cc.assert(child, cc._LogInfos.Node_addChild_3);
        cc.assert(child._parent === null, "child already added. It can't be added again");

        this._addChildHelper(child, localZOrder, tag, name, setTag);
    },

    _addChildHelper: function(child, localZOrder, tag, name, setTag){
        if(!this._children)
            this._children = [];

        this._insertChild(child, localZOrder);
        if(setTag)
            child.setTag(tag);
        else
            child.setName(name);

        child.setParent(this);
        child.setOrderOfArrival(cc.s_globalOrderOfArrival++);

        if( this._running ){
            child.onEnter();
            // prevent onEnterTransitionDidFinish to be called twice when a node is added in onEnter
            if (this._isTransitionFinished)
                child.onEnterTransitionDidFinish();
        }
        child._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
        if (this._cascadeColorEnabled)
            child._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.colorDirty);
        if (this._cascadeOpacityEnabled)
            child._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.opacityDirty);
    },

    // composition: REMOVE
    /**
     * Remove itself from its parent node. If cleanup is true, then also remove all actions and callbacks. <br/>
     * If the cleanup parameter is not passed, it will force a cleanup. <br/>
     * If the node orphan, then nothing happens.
     * @function
     * @param {Boolean} [cleanup=true] true if all actions and callbacks on this node should be removed, false otherwise.
     * @see cc.Node#removeFromParentAndCleanup
     */
    removeFromParent: function (cleanup) {
        if (this._parent) {
            if (cleanup === undefined)
                cleanup = true;
            this._parent.removeChild(this, cleanup);
        }
    },

    /**
     * Removes this node itself from its parent node.  <br/>
     * If the node orphan, then nothing happens.
     * @deprecated since v3.0, please use removeFromParent() instead
     * @param {Boolean} [cleanup=true] true if all actions and callbacks on this node should be removed, false otherwise.
     */
    removeFromParentAndCleanup: function (cleanup) {
        cc.log(cc._LogInfos.Node_removeFromParentAndCleanup);
        this.removeFromParent(cleanup);
    },

    /** <p>Removes a child from the container. It will also cleanup all running actions depending on the cleanup parameter. </p>
     * If the cleanup parameter is not passed, it will force a cleanup. <br/>
     * <p> "remove" logic MUST only be on this method  <br/>
     * If a class wants to extend the 'removeChild' behavior it only needs <br/>
     * to override this method </p>
     * @function
     * @param {cc.Node} child  The child node which will be removed.
     * @param {Boolean} [cleanup=true]  true if all running actions and callbacks on the child node will be cleanup, false otherwise.
     */
    removeChild: function (child, cleanup) {
        // explicit nil handling
        if (this._children.length === 0)
            return;

        if (cleanup === undefined)
            cleanup = true;
        if (this._children.indexOf(child) > -1)
            this._detachChild(child, cleanup);

        //this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.visibleDirty);
        cc.renderer.childrenOrderDirty = true;
    },

    /**
     * Removes a child from the container by tag value. It will also cleanup all running actions depending on the cleanup parameter.
     * If the cleanup parameter is not passed, it will force a cleanup. <br/>
     * @function
     * @param {Number} tag An integer number that identifies a child node
     * @param {Boolean} [cleanup=true] true if all running actions and callbacks on the child node will be cleanup, false otherwise.
     * @see cc.Node#removeChildByTag
     */
    removeChildByTag: function (tag, cleanup) {
        if (tag === cc.NODE_TAG_INVALID)
            cc.log(cc._LogInfos.Node_removeChildByTag);

        var child = this.getChildByTag(tag);
        if (!child)
            cc.log(cc._LogInfos.Node_removeChildByTag_2, tag);
        else
            this.removeChild(child, cleanup);
    },

    /**
     * Removes all children from the container and do a cleanup all running actions depending on the cleanup parameter.
     * @param {Boolean} [cleanup=true]
     */
    removeAllChildrenWithCleanup: function (cleanup) {
        this.removeAllChildren(cleanup);
    },

    /**
     * Removes all children from the container and do a cleanup all running actions depending on the cleanup parameter. <br/>
     * If the cleanup parameter is not passed, it will force a cleanup. <br/>
     * @function
     * @param {Boolean} [cleanup=true] true if all running actions on all children nodes should be cleanup, false otherwise.
     */
    removeAllChildren: function (cleanup) {
        // not using detachChild improves speed here
        var __children = this._children;
        if (__children !== null) {
            if (cleanup === undefined)
                cleanup = true;
            for (var i = 0; i < __children.length; i++) {
                var node = __children[i];
                if (node) {
                    if (this._running) {
                        node.onExitTransitionDidStart();
                        node.onExit();
                    }

                    // If you don't do cleanup, the node's actions will not get removed and the
                    if (cleanup)
                        node.cleanup();

                    // set parent nil at the end
                    node.parent = null;
                    node._renderCmd.detachFromParent();
                }
            }
            this._children.length = 0;
            cc.renderer.childrenOrderDirty = true;
        }
    },

    _detachChild: function (child, doCleanup) {
        // IMPORTANT:
        //  -1st do onExit
        //  -2nd cleanup
        if (this._running) {
            child.onExitTransitionDidStart();
            child.onExit();
        }

        // If you don't do cleanup, the child's actions will not get removed and the
        if (doCleanup)
            child.cleanup();

        // set parent nil at the end
        child.parent = null;
        child._renderCmd.detachFromParent();
        cc.arrayRemoveObject(this._children, child);
    },

    _insertChild: function (child, z) {
        cc.renderer.childrenOrderDirty = this._reorderChildDirty = true;
        this._children.push(child);
        child._setLocalZOrder(z);
    },

    setNodeDirty: function(){
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
    },

    /** Reorders a child according to a new z value. <br/>
     * The child MUST be already added.
     * @function
     * @param {cc.Node} child An already added child node. It MUST be already added.
     * @param {Number} zOrder Z order for drawing priority. Please refer to setZOrder(int)
     */
    reorderChild: function (child, zOrder) {
        cc.assert(child, cc._LogInfos.Node_reorderChild);
        cc.renderer.childrenOrderDirty = this._reorderChildDirty = true;
        child.arrivalOrder = cc.s_globalOrderOfArrival;
        cc.s_globalOrderOfArrival++;
        child._setLocalZOrder(zOrder);
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.orderDirty);
    },

    /**
     * <p>
     *     Sorts the children array once before drawing, instead of every time when a child is added or reordered.    <br/>
     *     This approach can improves the performance massively.
     * </p>
     * @function
     * @note Don't call this manually unless a child added needs to be removed in the same frame
     */
    sortAllChildren: function () {
        if (this._reorderChildDirty) {
            var _children = this._children;

            // insertion sort
            var len = _children.length, i, j, tmp;
            for(i=1; i<len; i++){
                tmp = _children[i];
                j = i - 1;

                //continue moving element downwards while zOrder is smaller or when zOrder is the same but mutatedIndex is smaller
                while(j >= 0){
                    if(tmp._localZOrder < _children[j]._localZOrder){
                        _children[j+1] = _children[j];
                    }else if(tmp._localZOrder === _children[j]._localZOrder && tmp.arrivalOrder < _children[j].arrivalOrder){
                        _children[j+1] = _children[j];
                    }else{
                        break;
                    }
                    j--;
                }
                _children[j+1] = tmp;
            }

            //don't need to check children recursively, that's done in visit of each child
            this._reorderChildDirty = false;
        }
    },

    /**
     * Render function using the canvas 2d context or WebGL context, internal usage only, please do not call this function
     * @function
     * @param {CanvasRenderingContext2D | WebGLRenderingContext} ctx The render context
     */
    draw: function (ctx) {
        // override me
        // Only use- this function to draw your staff.
        // DON'T draw your stuff outside this method
    },

    // Internal use only, do not call it by yourself,
    transformAncestors: function () {
        if (this._parent !== null) {
            this._parent.transformAncestors();
            this._parent.transform();
        }
    },

    //scene management
    /**
     * <p>
     *     Event callback that is invoked every time when CCNode enters the 'stage'.                                   <br/>
     *     If the CCNode enters the 'stage' with a transition, this event is called when the transition starts.        <br/>
     *     During onEnter you can't access a "sister/brother" node.                                                    <br/>
     *     If you override onEnter, you must call its parent's onEnter function with this._super().
     * </p>
     * @function
     */
    onEnter: function () {
        this._isTransitionFinished = false;
        this._running = true;//should be running before resumeSchedule
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.onEnter);
        this.resume();
    },

    /**
     * <p>
     *     Event callback that is invoked when the CCNode enters in the 'stage'.                                                        <br/>
     *     If the CCNode enters the 'stage' with a transition, this event is called when the transition finishes.                       <br/>
     *     If you override onEnterTransitionDidFinish, you shall call its parent's onEnterTransitionDidFinish with this._super()
     * </p>
     * @function
     */
    onEnterTransitionDidFinish: function () {
        this._isTransitionFinished = true;
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.onEnterTransitionDidFinish);
    },

    /**
     * <p>callback that is called every time the cc.Node leaves the 'stage'.  <br/>
     * If the cc.Node leaves the 'stage' with a transition, this callback is called when the transition starts. <br/>
     * If you override onExitTransitionDidStart, you shall call its parent's onExitTransitionDidStart with this._super()</p>
     * @function
     */
    onExitTransitionDidStart: function () {
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.onExitTransitionDidStart);
    },

    /**
     * <p>
     * callback that is called every time the cc.Node leaves the 'stage'.                                         <br/>
     * If the cc.Node leaves the 'stage' with a transition, this callback is called when the transition finishes. <br/>
     * During onExit you can't access a sibling node.                                                             <br/>
     * If you override onExit, you shall call its parent's onExit with this._super().
     * </p>
     * @function
     */
    onExit: function () {
        this._running = false;
        this.pause();
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.onExit);
        this.removeAllComponents();
    },

    // actions
    /**
     * Executes an action, and returns the action that is executed.<br/>
     * The node becomes the action's target. Refer to cc.Action's getTarget()
     * @function
     * @warning Starting from v0.8 actions don't retain their target anymore.
     * @param {cc.Action} action
     * @return {cc.Action} An Action pointer
     */
    runAction: function (action) {
        cc.assert(action, cc._LogInfos.Node_runAction);

        this.actionManager.addAction(action, this, !this._running);
        return action;
    },

    /**
     * Stops and removes all actions from the running action list .
     * @function
     */
    stopAllActions: function () {
        this.actionManager && this.actionManager.removeAllActionsFromTarget(this);
    },

    /**
     * Stops and removes an action from the running action list.
     * @function
     * @param {cc.Action} action An action object to be removed.
     */
    stopAction: function (action) {
        this.actionManager.removeAction(action);
    },

    /**
     * Removes an action from the running action list by its tag.
     * @function
     * @param {Number} tag A tag that indicates the action to be removed.
     */
    stopActionByTag: function (tag) {
        if (tag === cc.ACTION_TAG_INVALID) {
            cc.log(cc._LogInfos.Node_stopActionByTag);
            return;
        }
        this.actionManager.removeActionByTag(tag, this);
    },

    /**
     * Returns an action from the running action list by its tag.
     * @function
     * @see cc.Node#getTag and cc.Node#setTag
     * @param {Number} tag
     * @return {cc.Action} The action object with the given tag.
     */
    getActionByTag: function (tag) {
        if (tag === cc.ACTION_TAG_INVALID) {
            cc.log(cc._LogInfos.Node_getActionByTag);
            return null;
        }
        return this.actionManager.getActionByTag(tag, this);
    },

    /** <p>Returns the numbers of actions that are running plus the ones that are schedule to run (actions in actionsToAdd and actions arrays).<br/>
     *    Composable actions are counted as 1 action. Example:<br/>
     *    If you are running 1 Sequence of 7 actions, it will return 1. <br/>
     *    If you are running 7 Sequences of 2 actions, it will return 7.</p>
     * @function
     * @return {Number} The number of actions that are running plus the ones that are schedule to run
     */
    getNumberOfRunningActions: function () {
        return this.actionManager.numberOfRunningActionsInTarget(this);
    },

    // cc.Node - Callbacks
    // timers
    /**
     * <p>schedules the "update" method.                                                                           <br/>
     * It will use the order number 0. This method will be called every frame.                                  <br/>
     * Scheduled methods with a lower order value will be called before the ones that have a higher order value.<br/>
     * Only one "update" method could be scheduled per node.</p>
     * @function
     */
    scheduleUpdate: function () {
        this.scheduleUpdateWithPriority(0);
    },

    /**
     * <p>
     * schedules the "update" callback function with a custom priority.
     * This callback function will be called every frame.<br/>
     * Scheduled callback functions with a lower priority will be called before the ones that have a higher value.<br/>
     * Only one "update" callback function could be scheduled per node (You can't have 2 'update' callback functions).<br/>
     * </p>
     * @function
     * @param {Number} priority
     */
    scheduleUpdateWithPriority: function (priority) {
        this.scheduler.scheduleUpdate(this, priority, !this._running);
    },

    /**
     * Unschedules the "update" method.
     * @function
     * @see cc.Node#scheduleUpdate
     */
    unscheduleUpdate: function () {
        this.scheduler.unscheduleUpdate(this);
    },

    /**
     * <p>Schedules a custom selector.         <br/>
     * If the selector is already scheduled, then the interval parameter will be updated without scheduling it again.</p>
     * @function
     * @param {function} callback A function wrapped as a selector
     * @param {Number} interval  Tick interval in seconds. 0 means tick every frame. If interval = 0, it's recommended to use scheduleUpdate() instead.
     * @param {Number} repeat    The selector will be executed (repeat + 1) times, you can use kCCRepeatForever for tick infinitely.
     * @param {Number} delay     The amount of time that the first tick will wait before execution.
     * @param {String} key The only string identifying the callback
     */
    schedule: function (callback, interval, repeat, delay, key) {
        var len = arguments.length;
        if(typeof callback === "function"){
            //callback, interval, repeat, delay, key
            if(len === 1){
                //callback
                interval = 0;
                repeat = cc.REPEAT_FOREVER;
                delay = 0;
                key = this.__instanceId;
            }else if(len === 2){
                if(typeof interval === "number"){
                    //callback, interval
                    repeat = cc.REPEAT_FOREVER;
                    delay = 0;
                    key = this.__instanceId;
                }else{
                    //callback, key
                    key = interval;
                    interval = 0;
                    repeat = cc.REPEAT_FOREVER;
                    delay = 0;
                }
            }else if(len === 3){
                if(typeof repeat === "string"){
                    //callback, interval, key
                    key = repeat;
                    repeat = cc.REPEAT_FOREVER;
                }else{
                    //callback, interval, repeat
                    key = this.__instanceId;
                }
                delay = 0;
            }else if(len === 4){
                key = this.__instanceId;
            }
        }else{
            //selector
            //selector, interval
            //selector, interval, repeat, delay
            if(len === 1){
                interval = 0;
                repeat = cc.REPEAT_FOREVER;
                delay = 0;
            }else if(len === 2){
                repeat = cc.REPEAT_FOREVER;
                delay = 0;
            }
        }

        cc.assert(callback, cc._LogInfos.Node_schedule);
        cc.assert(interval >= 0, cc._LogInfos.Node_schedule_2);

        interval = interval || 0;
        repeat = (repeat == null) ? cc.REPEAT_FOREVER : repeat;
        delay = delay || 0;

        this.scheduler.schedule(callback, this, interval, repeat, delay, !this._running, key);
    },

    /**
     * Schedules a callback function that runs only once, with a delay of 0 or larger
     * @function
     * @see cc.Node#schedule
     * @param {function} callback  A function wrapped as a selector
     * @param {Number} delay  The amount of time that the first tick will wait before execution.
     * @param {String} key The only string identifying the callback
     */
    scheduleOnce: function (callback, delay, key) {
        //selector, delay
        //callback, delay, key
        if(key === undefined)
            key = this.__instanceId;
        this.schedule(callback, 0, 0, delay, key);
    },

    /**
     * unschedules a custom callback function.
     * @function
     * @see cc.Node#schedule
     * @param {function} callback_fn  A function wrapped as a selector
     */
    unschedule: function (callback_fn) {
        //key
        //selector
        if (!callback_fn)
            return;

        this.scheduler.unschedule(callback_fn, this);
    },

    /**
     * <p>unschedule all scheduled callback functions: custom callback functions, and the 'update' callback function.<br/>
     * Actions are not affected by this method.</p>
     * @function
     */
    unscheduleAllCallbacks: function () {
        this.scheduler.unscheduleAllForTarget(this);
    },

    /**
     * Resumes all scheduled selectors and actions.<br/>
     * This method is called internally by onEnter
     * @function
     * @deprecated since v3.0, please use resume() instead
     */
    resumeSchedulerAndActions: function () {
        cc.log(cc._LogInfos.Node_resumeSchedulerAndActions);
        this.resume();
    },

    /**
     * <p>Resumes all scheduled selectors and actions.<br/>
     * This method is called internally by onEnter</p>
     */
    resume: function () {
        this.scheduler.resumeTarget(this);
        this.actionManager && this.actionManager.resumeTarget(this);
        cc.eventManager.resumeTarget(this);
    },

    /**
     * <p>Pauses all scheduled selectors and actions.<br/>
     * This method is called internally by onExit</p>
     * @deprecated since v3.0, please use pause instead
     * @function
     */
    pauseSchedulerAndActions: function () {
        cc.log(cc._LogInfos.Node_pauseSchedulerAndActions);
        this.pause();
    },

    /**
     * <p>Pauses all scheduled selectors and actions.<br/>
     * This method is called internally by onExit</p>
     * @function
     */
    pause: function () {
        this.scheduler.pauseTarget(this);
        this.actionManager && this.actionManager.pauseTarget(this);
        cc.eventManager.pauseTarget(this);
    },

    /**
     *<p>Sets the additional transform.<br/>
     *  The additional transform will be concatenated at the end of getNodeToParentTransform.<br/>
     *  It could be used to simulate `parent-child` relationship between two nodes (e.g. one is in BatchNode, another isn't).<br/>
     *  </p>
     *  @function
     *  @param {cc.AffineTransform} additionalTransform  The additional transform
     *  @example
     * // create a batchNode
     * var batch = new cc.SpriteBatchNode("Icon-114.png");
     * this.addChild(batch);
     *
     * // create two sprites, spriteA will be added to batchNode, they are using different textures.
     * var spriteA = new cc.Sprite(batch->getTexture());
     * var spriteB = new cc.Sprite("Icon-72.png");
     *
     * batch.addChild(spriteA);
     *
     * // We can't make spriteB as spriteA's child since they use different textures. So just add it to layer.
     * // But we want to simulate `parent-child` relationship for these two node.
     * this.addChild(spriteB);
     *
     * //position
     * spriteA.setPosition(ccp(200, 200));
     *
     * // Gets the spriteA's transform.
     * var t = spriteA.getNodeToParentTransform();
     *
     * // Sets the additional transform to spriteB, spriteB's position will based on its pseudo parent i.e. spriteA.
     * spriteB.setAdditionalTransform(t);
     *
     * //scale
     * spriteA.setScale(2);
     *
     * // Gets the spriteA's transform.
     * t = spriteA.getNodeToParentTransform();
     *
     * // Sets the additional transform to spriteB, spriteB's scale will based on its pseudo parent i.e. spriteA.
     * spriteB.setAdditionalTransform(t);
     *
     * //rotation
     * spriteA.setRotation(20);
     *
     * // Gets the spriteA's transform.
     * t = spriteA.getNodeToParentTransform();
     *
     * // Sets the additional transform to spriteB, spriteB's rotation will based on its pseudo parent i.e. spriteA.
     * spriteB.setAdditionalTransform(t);
     */
    setAdditionalTransform: function (additionalTransform) {
        if(additionalTransform === undefined)
            return this._additionalTransformDirty = false;
        this._additionalTransform = additionalTransform;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.transformDirty);
        this._additionalTransformDirty = true;
    },

    /**
     * Returns the matrix that transform parent's space coordinates to the node's (local) space coordinates.<br/>
     * The matrix is in Pixels.
     * @function
     * @return {cc.AffineTransform}
     */
    getParentToNodeTransform: function () {
       this._renderCmd.getParentToNodeTransform();
    },

    /**
     * @function
     * @deprecated since v3.0, please use getParentToNodeTransform instead
     */
    parentToNodeTransform: function () {
        return this.getParentToNodeTransform();
    },

    /**
     * Returns the world affine transform matrix. The matrix is in Pixels.
     * @function
     * @return {cc.AffineTransform}
     */
    getNodeToWorldTransform: function () {
        //TODO renderCmd has a WorldTransform
        var t = this.getNodeToParentTransform();
        for (var p = this._parent; p !== null; p = p.parent)
            t = cc.affineTransformConcat(t, p.getNodeToParentTransform());
        return t;
    },

    /**
     * @function
     * @deprecated since v3.0, please use getNodeToWorldTransform instead
     */
    nodeToWorldTransform: function(){
        return this.getNodeToWorldTransform();
    },

    /**
     * Returns the inverse world affine transform matrix. The matrix is in Pixels.
     * @function
     * @return {cc.AffineTransform}
     */
    getWorldToNodeTransform: function () {
        return cc.affineTransformInvert(this.getNodeToWorldTransform());
    },

    /**
     * @function
     * @deprecated since v3.0, please use getWorldToNodeTransform instead
     */
    worldToNodeTransform: function () {
        return this.getWorldToNodeTransform();
    },

    /**
     * Converts a Point to node (local) space coordinates. The result is in Points.
     * @function
     * @param {cc.Point} worldPoint
     * @return {cc.Point}
     */
    convertToNodeSpace: function (worldPoint) {
        return cc.pointApplyAffineTransform(worldPoint, this.getWorldToNodeTransform());
    },

    /**
     * Converts a Point to world space coordinates. The result is in Points.
     * @function
     * @param {cc.Point} nodePoint
     * @return {cc.Point}
     */
    convertToWorldSpace: function (nodePoint) {
        nodePoint = nodePoint || cc.p(0,0);
        return cc.pointApplyAffineTransform(nodePoint, this.getNodeToWorldTransform());
    },

    /**
     * Converts a Point to node (local) space coordinates. The result is in Points.<br/>
     * treating the returned/received node point as anchor relative.
     * @function
     * @param {cc.Point} worldPoint
     * @return {cc.Point}
     */
    convertToNodeSpaceAR: function (worldPoint) {
        return cc.pSub(this.convertToNodeSpace(worldPoint), this._renderCmd.getAnchorPointInPoints());
    },

    /**
     * Converts a local Point to world space coordinates.The result is in Points.<br/>
     * treating the returned/received node point as anchor relative.
     * @function
     * @param {cc.Point} nodePoint
     * @return {cc.Point}
     */
    convertToWorldSpaceAR: function (nodePoint) {
        nodePoint = nodePoint || cc.p(0,0);
        var pt = cc.pAdd(nodePoint, this._renderCmd.getAnchorPointInPoints());
        return this.convertToWorldSpace(pt);
    },

    _convertToWindowSpace: function (nodePoint) {
        var worldPoint = this.convertToWorldSpace(nodePoint);
        return cc.director.convertToUI(worldPoint);
    },

    /** convenience methods which take a cc.Touch instead of cc.Point
     * @function
     * @param {cc.Touch} touch The touch object
     * @return {cc.Point}
     */
    convertTouchToNodeSpace: function (touch) {
        var point = touch.getLocation();
        return this.convertToNodeSpace(point);
    },

    /**
     * converts a cc.Touch (world coordinates) into a local coordinate. This method is AR (Anchor Relative).
     * @function
     * @param {cc.Touch} touch The touch object
     * @return {cc.Point}
     */
    convertTouchToNodeSpaceAR: function (touch) {
        var point = cc.director.convertToGL(touch.getLocation());
        return this.convertToNodeSpaceAR(point);
    },

    /**
     * Update will be called automatically every frame if "scheduleUpdate" is called when the node is "live".<br/>
     * The default behavior is to invoke the visit function of node's componentContainer.<br/>
     * Override me to implement your own update logic.
     * @function
     * @param {Number} dt Delta time since last update
     */
    update: function (dt) {
        if (this._componentContainer && !this._componentContainer.isEmpty())
            this._componentContainer.visit(dt);
    },

    /**
     * <p>
     * Calls children's updateTransform() method recursively.                                        <br/>
     *                                                                                               <br/>
     * This method is moved from CCSprite, so it's no longer specific to CCSprite.                   <br/>
     * As the result, you apply CCSpriteBatchNode's optimization on your customed CCNode.            <br/>
     * e.g., batchNode->addChild(myCustomNode), while you can only addChild(sprite) before.
     * </p>
     * @function
     */
    updateTransform: function () {
        // Recursively iterate over children
        this._arrayMakeObjectsPerformSelector(this._children, cc.Node._stateCallbackType.updateTransform);
    },

    /**
     * <p>Currently JavaScript Bindings (JSB), in some cases, needs to use retain and release. This is a bug in JSB,
     * and the ugly workaround is to use retain/release. So, these 2 methods were added to be compatible with JSB.
     * This is a hack, and should be removed once JSB fixes the retain/release bug<br/>
     * You will need to retain an object if you created an engine object and haven't added it into the scene graph during the same frame.<br/>
     * Otherwise, JSB's native autorelease pool will consider this object a useless one and release it directly,<br/>
     * when you want to use it later, a "Invalid Native Object" error will be raised.<br/>
     * The retain function can increase a reference count for the native object to avoid it being released,<br/>
     * you need to manually invoke release function when you think this object is no longer needed, otherwise, there will be memory learks.<br/>
     * retain and release function call should be paired in developer's game code.</p>
     * @function
     * @see cc.Node#release
     */
    retain: function () {
    },
    /**
     * <p>Currently JavaScript Bindings (JSB), in some cases, needs to use retain and release. This is a bug in JSB,
     * and the ugly workaround is to use retain/release. So, these 2 methods were added to be compatible with JSB.
     * This is a hack, and should be removed once JSB fixes the retain/release bug<br/>
     * You will need to retain an object if you created an engine object and haven't added it into the scene graph during the same frame.<br/>
     * Otherwise, JSB's native autorelease pool will consider this object a useless one and release it directly,<br/>
     * when you want to use it later, a "Invalid Native Object" error will be raised.<br/>
     * The retain function can increase a reference count for the native object to avoid it being released,<br/>
     * you need to manually invoke release function when you think this object is no longer needed, otherwise, there will be memory learks.<br/>
     * retain and release function call should be paired in developer's game code.</p>
     * @function
     * @see cc.Node#retain
     */
    release: function () {
    },

    /**
     * Returns a component identified by the name given.
     * @function
     * @param {String} name The name to search for
     * @return {cc.Component} The component found
     */
    getComponent: function (name) {
        if(this._componentContainer)
            return this._componentContainer.getComponent(name);
        return null;
    },

    /**
     * Adds a component to the node's component container.
     * @function
     * @param {cc.Component} component
     */
    addComponent: function (component) {
        if(this._componentContainer)
            this._componentContainer.add(component);
    },

    /**
     * Removes a component identified by the given name or removes the component object given
     * @function
     * @param {String|cc.Component} component
     */
    removeComponent: function (component) {
        if(this._componentContainer)
            return this._componentContainer.remove(component);
        return false;
    },

    /**
     * Removes all components of cc.Node, it called when cc.Node is exiting from stage.
     * @function
     */
    removeAllComponents: function () {
        if(this._componentContainer)
            this._componentContainer.removeAll();
    },

    grid: null,

    /**
     * Recursive method that visit its children and draw them
     * @function
     * @param {cc.Node.RenderCmd} parentCmd
     */
    visit: function(parentCmd){
        this._renderCmd.visit(parentCmd);
    },

    /**
     * Performs view-matrix transformation based on position, scale, rotation and other attributes.
     * @function
     * @param {cc.Node.RenderCmd} parentCmd parent's render command
     * @param {boolean} recursive whether call its children's transform
     */
    transform: function(parentCmd, recursive){
        this._renderCmd.transform(parentCmd, recursive);
    },

    /**
     * <p>Returns the matrix that transform the node's (local) space coordinates into the parent's space coordinates.<br/>
     * The matrix is in Pixels.</p>
     * @function
     * @return {cc.AffineTransform}
     * @deprecated since v3.0, please use getNodeToParentTransform instead
     */
    nodeToParentTransform: function(){
        return this.getNodeToParentTransform();
    },

    /**
     * Returns the matrix that transform the node's (local) space coordinates into the parent's space coordinates.<br/>
     * The matrix is in Pixels.
     * @function
     * @return {cc.AffineTransform} The affine transform object
     */
    getNodeToParentTransform: function(ancestor){
        var t = this._renderCmd.getNodeToParentTransform();
        if(ancestor){
            var T = {a: t.a, b: t.b, c: t.c, d: t.d, tx: t.tx, ty: t.ty};
            for(var p = this._parent;  p != null && p != ancestor ; p = p.getParent()){
                cc.affineTransformConcatIn(T, p.getNodeToParentTransform());
            }
            return T;
        }else{
            return t;
        }
    },

    getNodeToParentAffineTransform: function(ancestor){
        return this.getNodeToParentTransform(ancestor);
    },

    /**
     * Returns a camera object that lets you move the node using a gluLookAt
     * @function
     * @return {cc.Camera} A CCCamera object that lets you move the node using a gluLookAt
     * @deprecated since v3.0, no alternative function
     * @example
     * var camera = node.getCamera();
     * camera.setEye(0, 0, 415/2);
     * camera.setCenter(0, 0, 0);
     */
    getCamera: function () {
        if (!this._camera)
            this._camera = new cc.Camera();
        return this._camera;
    },

    /**
     * <p>Returns a grid object that is used when applying effects.<br/>
     * This function have been deprecated, please use cc.NodeGrid to run grid actions</p>
     * @function
     * @return {cc.GridBase} A CCGrid object that is used when applying effects
     * @deprecated since v3.0, no alternative function
     */
    getGrid: function () {
        return this.grid;
    },

    /**
     * <p>Changes a grid object that is used when applying effects<br/>
     * This function have been deprecated, please use cc.NodeGrid to run grid actions</p>
     * @function
     * @param {cc.GridBase} grid A CCGrid object that is used when applying effects
     * @deprecated since v3.0, no alternative function
     */
    setGrid: function (grid) {
        this.grid = grid;
    },

    /**
     * Return the shader program currently used for this node
     * @function
     * @return {cc.GLProgram} The shader program currently used for this node
     */
    getShaderProgram: function () {
        return this._renderCmd.getShaderProgram();
    },

    /**
     * <p>
     *     Sets the shader program for this node
     *
     *     Since v2.0, each rendering node must set its shader program.
     *     It should be set in initialize phase.
     * </p>
     * @function
     * @param {cc.GLProgram} newShaderProgram The shader program which fetches from CCShaderCache.
     * @example
     * node.setGLProgram(cc.shaderCache.programForKey(cc.SHADER_POSITION_TEXTURECOLOR));
     */
    setShaderProgram: function (newShaderProgram) {
        this._renderCmd.setShaderProgram(newShaderProgram);
    },

    /**
     * Returns the state of OpenGL server side.
     * @function
     * @return {Number} The state of OpenGL server side.
     * @deprecated since v3.0, no need anymore
     */
    getGLServerState: function () {
        return 0;
    },

    /**
     * Sets the state of OpenGL server side.
     * @function
     * @param {Number} state The state of OpenGL server side.
     * @deprecated since v3.0, no need anymore
     */
    setGLServerState: function (state) {
    },

    /**
     * Returns a "world" axis aligned bounding box of the node.
     * @function
     * @return {cc.Rect}
     */
    getBoundingBoxToWorld: function () {
        var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
        var trans = this.getNodeToWorldTransform();
        rect = cc.rectApplyAffineTransform(rect, trans);

        //query child's BoundingBox
        if (!this._children)
            return rect;

        var locChildren = this._children;
        for (var i = 0; i < locChildren.length; i++) {
            var child = locChildren[i];
            if (child && child._visible) {
                var childRect = child._getBoundingBoxToCurrentNode(trans);
                if (childRect)
                    rect = cc.rectUnion(rect, childRect);
            }
        }
        return rect;
    },

    _getBoundingBoxToCurrentNode: function (parentTransform) {
        var rect = cc.rect(0, 0, this._contentSize.width, this._contentSize.height);
        var trans = (parentTransform === undefined) ? this.getNodeToParentTransform() : cc.affineTransformConcat(this.getNodeToParentTransform(), parentTransform);
        rect = cc.rectApplyAffineTransform(rect, trans);

        //query child's BoundingBox
        if (!this._children)
            return rect;

        var locChildren = this._children;
        for (var i = 0; i < locChildren.length; i++) {
            var child = locChildren[i];
            if (child && child._visible) {
                var childRect = child._getBoundingBoxToCurrentNode(trans);
                if (childRect)
                    rect = cc.rectUnion(rect, childRect);
            }
        }
        return rect;
    },

    /**
     * Returns the opacity of Node
     * @function
     * @returns {number} opacity
     */
    getOpacity: function () {
        return this._realOpacity;
    },

    /**
     * Returns the displayed opacity of Node,
     * the difference between displayed opacity and opacity is that displayed opacity is calculated based on opacity and parent node's opacity when cascade opacity enabled.
     * @function
     * @returns {number} displayed opacity
     */
    getDisplayedOpacity: function () {
        return this._renderCmd.getDisplayedOpacity();
    },

    /**
     * Sets the opacity of Node
     * @function
     * @param {Number} opacity
     */
    setOpacity: function (opacity) {
        this._realOpacity = opacity;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.opacityDirty);
    },

    /**
     * Update displayed opacity
     * @function
     * @param {Number} parentOpacity
     */
    updateDisplayedOpacity: function (parentOpacity) {
        //TODO  this API shouldn't be public.
        this._renderCmd._updateDisplayOpacity(parentOpacity);
    },

    /**
     * Returns whether node's opacity value affect its child nodes.
     * @function
     * @returns {boolean}
     */
    isCascadeOpacityEnabled: function () {
        return this._cascadeOpacityEnabled;
    },

    /**
     * Enable or disable cascade opacity, if cascade enabled, child nodes' opacity will be the multiplication of parent opacity and its own opacity.
     * @function
     * @param {boolean} cascadeOpacityEnabled
     */
    setCascadeOpacityEnabled: function (cascadeOpacityEnabled) {
        if (this._cascadeOpacityEnabled === cascadeOpacityEnabled)
            return;
        this._cascadeOpacityEnabled = cascadeOpacityEnabled;
        this._renderCmd.setCascadeOpacityEnabledDirty();
    },

    /**
     * Returns the color of Node
     * @function
     * @returns {cc.Color}
     */
    getColor: function () {
        var locRealColor = this._realColor;
        return cc.color(locRealColor.r, locRealColor.g, locRealColor.b, locRealColor.a);
    },

    /**
     * Returns the displayed color of Node,
     * the difference between displayed color and color is that displayed color is calculated based on color and parent node's color when cascade color enabled.
     * @function
     * @returns {cc.Color}
     */
    getDisplayedColor: function () {
        return this._renderCmd.getDisplayedColor();
    },

    /**
     * <p>Sets the color of Node.<br/>
     * When color doesn't include opacity value like cc.color(128,128,128), this function only change the color. <br/>
     * When color include opacity like cc.color(128,128,128,100), then this function will change the color and the opacity.</p>
     * @function
     * @param {cc.Color} color The new color given
     */
    setColor: function (color) {
        var locRealColor = this._realColor;
        locRealColor.r = color.r;
        locRealColor.g = color.g;
        locRealColor.b = color.b;
        this._renderCmd.setDirtyFlag(cc.Node._dirtyFlags.colorDirty);
    },

    /**
     * Update the displayed color of Node
     * @function
     * @param {cc.Color} parentColor
     */
    updateDisplayedColor: function (parentColor) {
        //TODO  this API shouldn't be public.
        this._renderCmd._updateDisplayColor(parentColor);
    },

    /**
     * Returns whether node's color value affect its child nodes.
     * @function
     * @returns {boolean}
     */
    isCascadeColorEnabled: function () {
        return this._cascadeColorEnabled;
    },

    /**
     * Enable or disable cascade color, if cascade enabled, child nodes' opacity will be the cascade value of parent color and its own color.
     * @param {boolean} cascadeColorEnabled
     */
    setCascadeColorEnabled: function (cascadeColorEnabled) {
        if (this._cascadeColorEnabled === cascadeColorEnabled)
            return;
        this._cascadeColorEnabled = cascadeColorEnabled;
        this._renderCmd.setCascadeColorEnabledDirty();
    },

    /**
     * Set whether color should be changed with the opacity value,
     * useless in cc.Node, but this function is override in some class to have such behavior.
     * @function
     * @param {Boolean} opacityValue
     */
    setOpacityModifyRGB: function (opacityValue) {
    },

    /**
     * Get whether color should be changed with the opacity value
     * @function
     * @return {Boolean}
     */
    isOpacityModifyRGB: function () {
        return false;
    },

    _initRendererCmd: function(){
        this._renderCmd = cc.renderer.getRenderCmd(this);
    },

    _createRenderCmd: function(){
        if(cc._renderType === cc.game.RENDER_TYPE_CANVAS)
            return new cc.Node.CanvasRenderCmd(this);
        else
            return new cc.Node.WebGLRenderCmd(this);
    },

    /** Search the children of the receiving node to perform processing for nodes which share a name.
     *
     * @param name The name to search for, supports c++11 regular expression.
     * Search syntax options:
     * `//`: Can only be placed at the begin of the search string. This indicates that it will search recursively.
     * `..`: The search should move up to the node's parent. Can only be placed at the end of string.
     * `/` : When placed anywhere but the start of the search string, this indicates that the search should move to the node's children.
     *
     * @code
     * enumerateChildren("//MyName", ...): This searches the children recursively and matches any node with the name `MyName`.
     * enumerateChildren("[[:alnum:]]+", ...): This search string matches every node of its children.
     * enumerateChildren("A[[:digit:]]", ...): This searches the node's children and returns any child named `A0`, `A1`, ..., `A9`.
     * enumerateChildren("Abby/Normal", ...): This searches the node's grandchildren and returns any node whose name is `Normal`
     * and whose parent is named `Abby`.
     * enumerateChildren("//Abby/Normal", ...): This searches recursively and returns any node whose name is `Normal` and whose
     * parent is named `Abby`.
     * @endcode
     *
     * @warning Only support alpha or number for name, and not support unicode.
     *
     * @param callback A callback function to execute on nodes that match the `name` parameter. The function takes the following arguments:
     *  `node`
     *      A node that matches the name
     *  And returns a boolean result. Your callback can return `true` to terminate the enumeration.
     *
     */
    enumerateChildren: function(name, callback){
        cc.assert(name && name.length != 0, "Invalid name");
        cc.assert(callback != null, "Invalid callback function");

        var length = name.length;
        var subStrStartPos = 0;
        var subStrlength = length;

        // Starts with '//'?
        var searchRecursively = false;
        if(length > 2 && name[0] === "/" && name[1] === "/"){
            searchRecursively = true;
            subStrStartPos = 2;
            subStrlength -= 2;
        }

        var searchFromParent = false;
        if(length > 3 && name[length-3] === "/" && name[length-2] === "." && name[length-1] === "."){
            searchFromParent = true;
            subStrlength -= 3;
        }

        var newName = name.substr(subStrStartPos, subStrlength);

        if(searchFromParent)
            newName = "[[:alnum:]]+/" + newName;

        if(searchRecursively)
            this.doEnumerateRecursive(this, newName, callback);
        else
            this.doEnumerate(newName, callback);
    },

    doEnumerateRecursive: function(node, name, callback){
        var ret = false;
        if(node.doEnumerate(name,callback)){
            ret = true;
        }else{
            var child,
                children = node.getChildren(),
                length = children.length;
            // search its children
            for (var i=0; i<length; i++) {
                child = children[i];
                if (this.doEnumerateRecursive(child, name, callback)) {
                    ret = true;
                    break;
                }
            }
        }
    },

    doEnumerate: function(name, callback){
        // name may be xxx/yyy, should find its parent
        var pos = name.indexOf('/');
        var searchName = name;
        var needRecursive = false;
        if (pos !== -1){
            searchName = name.substr(0, pos);
            //name.erase(0, pos+1);
            needRecursive = true;
        }

        var ret = false;
        var child,
            children = this._children,
            length = children.length;
        for (var i=0; i<length; i++){
            child = children[i];
            if (child._name.indexOf(searchName) !== -1){
                if (!needRecursive){
                    // terminate enumeration if callback return true
                    if (callback(child)){
                        ret = true;
                        break;
                    }
                }else{
                    ret = child.doEnumerate(name, callback);
                    if (ret)
                        break;
                }
            }
        }

        return ret;
    }
});

/**
 * Allocates and initializes a node.
 * @deprecated since v3.0, please use new construction instead.
 * @see cc.Node
 * @return {cc.Node}
 */
cc.Node.create = function () {
    return new cc.Node();
};

cc.Node._stateCallbackType = {onEnter: 1, onExit: 2, cleanup: 3, onEnterTransitionDidFinish: 4, updateTransform: 5, onExitTransitionDidStart: 6, sortAllChildren: 7};

cc.assert(cc.isFunction(cc._tmp.PrototypeCCNode), cc._LogInfos.MissingFile, "BaseNodesPropertyDefine.js");
cc._tmp.PrototypeCCNode();
delete cc._tmp.PrototypeCCNode;