public Transform greenBall;
public Transform Target;
void Update()
{
transform.position = new Vector3 (Target.position.x + (Point.position.x - Target.position.x)*2,
Point.position.y,
Target.position.z + (Target.position.z - Point.position.z)*20);
}
这个意思是将Target这个点作为坐标原点,他的x.y,z当做对称轴