tv_xiaoyouxi/games/symdsb/frameworks/cocos2d-html5/CCTransitionPageTurn.js

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/**
 *<p> A transition which peels back the bottom right hand corner of a scene<br/>
 * to transition to the scene beneath it simulating a page turn.<br/></p>
 *
 * <p>This uses a 3DAction so it's strongly recommended that depth buffering<br/>
 * is turned on in cc.director using:</p>
 *
 * <p>cc.director.setDepthBufferFormat(kDepthBuffer16);</p>
 * @class
 * @extends cc.TransitionScene
 * @param {Number} t time in seconds
 * @param {cc.Scene} scene
 * @param {Boolean} backwards
 * @example
 * var trans = new cc.TransitionPageTurn(t, scene, backwards);
 */
cc.TransitionPageTurn = cc.TransitionScene.extend(/** @lends cc.TransitionPageTurn# */{

    /**
     * @param {Number} t time in seconds
     * @param {cc.Scene} scene
     * @param {Boolean} backwards
     */
    ctor:function (t, scene, backwards) {
        cc.TransitionScene.prototype.ctor.call(this);
        this.initWithDuration(t, scene, backwards);
    },

    /**
     * @type Boolean
     */
    _back:true,
    _className:"TransitionPageTurn",

    /**
     * Creates a base transition with duration and incoming scene.<br/>
     * If back is true then the effect is reversed to appear as if the incoming<br/>
     * scene is being turned from left over the outgoing scene.
     * @param {Number} t time in seconds
     * @param {cc.Scene} scene
     * @param {Boolean} backwards
     * @return {Boolean}
     */
    initWithDuration:function (t, scene, backwards) {
        // XXX: needed before [super init]
        this._back = backwards;

        if (cc.TransitionScene.prototype.initWithDuration.call(this, t, scene)) {
            // do something
        }
        return true;
    },

    /**
     * @param {cc.Size} vector
     * @return {cc.ReverseTime|cc.TransitionScene}
     */
    actionWithSize:function (vector) {
        if (this._back)
            return cc.reverseTime(cc.pageTurn3D(this._duration, vector));        // Get hold of the PageTurn3DAction
        else
            return cc.pageTurn3D(this._duration, vector);     // Get hold of the PageTurn3DAction
    },

    /**
     * custom on enter
     */
    onEnter:function () {
        cc.TransitionScene.prototype.onEnter.call(this);
        var winSize = cc.director.getWinSize();
        var x, y;
        if (winSize.width > winSize.height) {
            x = 16;
            y = 12;
        } else {
            x = 12;
            y = 16;
        }

        var action = this.actionWithSize(cc.size(x, y));

        if (!this._back) {
            this._outScene.runAction( cc.sequence(action,cc.CallFunc.create(this.finish, this),cc.StopGrid.create()));
        } else {
            // to prevent initial flicker
            this._inScene.visible = false;
            this._inScene.runAction(
                cc.sequence(cc.show(),action, cc.callFunc(this.finish, this), cc.stopGrid())
            );
        }
    },

    _sceneOrder:function () {
        this._isInSceneOnTop = this._back;
    }
});

/**
 * Creates a base transition with duration and incoming scene.<br/>
 * If back is true then the effect is reversed to appear as if the incoming<br/>
 * scene is being turned from left over the outgoing scene.
 * @deprecated since v3.0,please use new cc.TransitionPageTurn(t, scene, backwards) instead.
 * @param {Number} t time in seconds
 * @param {cc.Scene} scene
 * @param {Boolean} backwards
 * @return {cc.TransitionPageTurn}
 * @example
 * var myTransition = cc.TransitionPageTurn.create(1.5, nextScene, true)//true means backwards
 */
cc.TransitionPageTurn.create = function (t, scene, backwards) {
    return new cc.TransitionPageTurn(t, scene, backwards);
};