public class TEST : MonoBehaviour {

  
	void Start () 
    {
        
        Debug.Log(transform.position);
	}
	
	// Update is called once per frame
	void Update () 
    {
        //絕對座標轉相對座標
       Vector3 vec= transform.InverseTransformPoint(transform.position);
       Debug.Log(vec);//打印出來是（0，0，0）；與上面不一樣
        //相對座標轉絕對座標
       transform.TransformPoint(Vector3.up);
	}
}