cocos2d-js 3.11 CCProgressTimerWebGLRenderCmd.js

   //  Fix bug #1303 so that progress timer handles sprite frame texture rotation
    if (locSprite.textureRectRotated) {
        var temp = alpha.x;
        alpha.x = alpha.y;
        alpha.y = temp;
    }

这估计是测试代码把。。没用的代码就删掉把。坑死我咯