unity 給物體角度賦值

　transform.localPosition和transform.localScale都是直接賦值三元數，給旋轉賦值需要用
　　方法一：
　　xxx.transform.localEulerAngles = new Vector3 (0.0f,0.0f,0.0f);
　　方法二：
　　 xxx.transform.rotation=Quaternion.Euler(0.0f,0.0f,0.0f);