tv_xiaoyouxi/games/dwy/cocos2d-html5-v2.2.3/cocos2d/CCScene.js

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 Copyright (c) 2008-2010 Ricardo Quesada
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/**
 * <p>cc.Scene is a subclass of cc.Node that is used only as an abstract concept.</p>
 *  <p>cc.Scene an cc.Node are almost identical with the difference that cc.Scene has it's
 * anchor point (by default) at the center of the screen.</p>
 *
 * <p>For the moment cc.Scene has no other logic than that, but in future releases it might have
 * additional logic.</p>
 *
 * <p>It is a good practice to use and cc.Scene as the parent of all your nodes.</p>
 * @class
 * @extends cc.Node
 */
cc.Scene = cc.Node.extend(/** @lends cc.Scene# */{
    /**
     * Constructor
     */
    ctor:function () {
        cc.Node.prototype.ctor.call(this);
        this._ignoreAnchorPointForPosition = true;
        this.setAnchorPoint(0.5, 0.5);
        this.setContentSize(cc.Director.getInstance().getWinSize());
    }
});

/**
 * creates a scene
 * @return {cc.Scene}
 * @example
 * // Example
 * var aScene = cc.Scene.create();
 * //OR
 * var aScene = new cc.Scene();
 */
cc.Scene.create = function () {
    return new cc.Scene();
};