// Update is called once per frame
void Update()
{
#if UNITY_ANDROID || UNITY_IPHONE
float v = JoystickControler.GetVerticalInput();
float h = JoystickControler.GetHorizontalInput();
#endif
#if UNITY_STANDALONE_WIN
float v = -Input.GetAxis("Vertical");
float h = Input.GetAxis("Horizontal");
#endif
//限制车的最大速度，调整阻力可能不是最好的做法。但它很简单，而且不会干扰物理系统的运行。
m_Rigidbody.drag = m_Rigidbody.velocity.magnitude / 250;
//通过两个轮子的平均rpm，计算引擎rpm，然后切换档位
EngineRPM = (FrontLeftWheel.rpm + FrontRightWheel.rpm) / 2 * GearRatio[CurrentGear];
ShiftGears();
//设置换档的声音
m_Audio.pitch = Mathf.Abs(EngineRPM / MaxEngineRPM) + 1.0f;
if (m_Audio.pitch > 2.0)
{
m_Audio.pitch = 2.0f;
if (!m_Audio.isPlaying)
{
m_Audio.Play();
}
}
//最后设置轮子转动力矩。引擎力矩除以当前档位，乘以用户输入值。
//轮子力矩提供一个汽车前进的力。轮子的转动又会提高档位。
BackLeftWheel.motorTorque = EngineTorgue / GearRatio[CurrentGear] * v;
BackRightWheel.motorTorque = EngineTorgue / GearRatio[CurrentGear] * v;
int a = (int)(GearRatio[CurrentGear] * FrontLeftWheel.rpm * 4);
BackLeftWheel.transform.localEulerAngles += new Vector3(a, 0, 0);
BackRightWheel.transform.localEulerAngles += new Vector3(a, 0, 0);
//转动角度是任意数乘以用户输入值
FrontLeftWheel.steerAngle = wheelSpeed * h;
FrontRightWheel.steerAngle = wheelSpeed * h;
int b = (int)(GearRatio[CurrentGear] * FrontLeftWheel.rpm * 4);
FrontLeftWheel.transform.localEulerAngles += new Vector3(b, 0, 0);
FrontRightWheel.transform.localEulerAngles += new Vector3(b, 0, 0);
}
IEnumerator StopLight()
{
yield return(new WaitForSeconds(1.1f));
//垂直
#if UNITY_ANDROID || UNITY_IPHONE
float v = -JoystickControler.GetVerticalInput();
#endif
#if UNITY_STANDALONE_WIN
float v = -Input.GetAxis("Vertical");
#endif
if (v < 0)
{
stopLight.SetActive(true);
}
else
{
stopLight.SetActive(false);
}
yield return(StopLight());
}