// Update is called once per frame void Update() { mousePos = Input.mousePosition; if (Input.GetKeyDown(KeyCode.Space) || Input.GetButtonDown("Fire1")) { // 开始射击 bulletSpw.SpawnON(); } if (Input.GetKeyUp(KeyCode.Space) || Input.GetButtonUp("Fire1")) { // 停止射击 bulletSpw.SpawnOFF(); } }