u3d 鼠標平移滾輪放大攝像機

//滾輪放大縮小
if (Input.GetAxis("Mouse ScrollWheel") != 0)
{
	transform.Translate(new Vector3(0, 0, Input.GetAxis("Mouse ScrollWheel") * Time.deltaTime * 500));
}
//通過鼠標滾輪按下鍵平移
if (Input.GetMouseButton(2))
{
   transform.Translate(Vector3.left * Input.GetAxis("Mouse X") * move_speed);
	transform.Translate(Vector3.up * Input.GetAxis("Mouse Y") * -move_speed);
}

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