unity控制物体移动

    public float moveSpeed = 5.0f;
    void Update()
    {
		if (Input.GetKey(KeyCode.W))
		{
			transform.Translate(Vector3.up * Time.deltaTime * moveSpeed);
		}
		if (Input.GetKey(KeyCode.S))
		{
			transform.Translate(Vector3.down * Time.deltaTime * moveSpeed);
		}
		if (Input.GetKey(KeyCode.A))
		{
			transform.Translate(Vector3.left * Time.deltaTime * moveSpeed);
		}
		if (Input.GetKey(KeyCode.D))
		{
			transform.Translate(Vector3.right * Time.deltaTime * moveSpeed);
		}
	}