我对此代码有点问题：
+---------------------+
|newCol |
+---------------------+
|[1.0,2.0,0.0,0.0,0.0]|
|[1.0,2.0,3.0,0.0,0.0]|
|[1.0,2.0,4.0,5.0,0.0]|
|[1.0,2.0,2.0,5.0,6.0]|
+---------------------+
问题在于，在实例化对象时，它具有z旋转。所以我有一个效果，当我点击屏幕时，它应该实例化，并吹向播放器方向。它有不同的旋转，如何使旋转正确。 THKS !!!