IEnumerator SpeedUpYield()
{
float tempDeltaTime = speedUpDeltaTime;
while (mSpeedMode == eSpeedMode.speedUp)
{
if (tempDeltaTime > 0f)
{
tempDeltaTime -= Time.deltaTime;
pc.moveSpeed = originalMoveSpeed + targetSpeedUp * tempDeltaTime / speedUpDeltaTime;
}
else
{
tempDeltaTime = speedUpDeltaTime;
mSpeedMode = eSpeedMode.high;
pc.moveSpeed = originalMoveSpeed + targetSpeedUp;
break;
}
yield return(null);
}
yield return(null);
while (mSpeedMode == eSpeedMode.high)
{
if (speedUpTimeLeft > 0f)
{
speedUpTimeLeft -= Time.deltaTime;
}
else
{
speedUpTimeLeft = 0f;
mSpeedMode = eSpeedMode.speedDown;
break;
}
yield return(null);
}
yield return(null);
while (mSpeedMode == eSpeedMode.speedDown)
{
if (tempDeltaTime > 0f)
{
tempDeltaTime -= Time.deltaTime;
pc.moveSpeed = originalMoveSpeed + targetSpeedUp * (1f - tempDeltaTime / speedUpDeltaTime);
}
else
{
tempDeltaTime = 0f;
mSpeedMode = eSpeedMode.normal;
pc.moveSpeed = originalMoveSpeed;
speedUpTimeLeft = 0f;
break;
}
yield return(null);
}
yield return(null);
}
/// <summary>
/// 加速跑
/// </summary>
/// <param name="speedUp">增加的速度</param>
/// <param name="speedTime">加速持续的时间,加速时间有最短的限制，必须>2*速度改变时间</param>
public void SpeedUp(float speedUp, float speedTime)
{
//在加速过程中吃了加速的道具，刷新加速的时间
if (speedUpTimeLeft > 2f * speedUpDeltaTime)
{
//0.3秒内再吃一个加速不现实吧，加速状态的速度最好是一个固定值
speedUpTimeLeft = speedTime;
targetSpeedUp = speedUp;
if (mSpeedMode == eSpeedMode.normal || mSpeedMode == eSpeedMode.speedDown)
{
mSpeedMode = eSpeedMode.high;
}
}
else if (speedUpTimeLeft == 0f)
{
targetSpeedUp = speedUp;
speedUpTimeLeft = speedTime;
mSpeedMode = eSpeedMode.speedUp;
//启动加速的协程
StartCoroutine(SpeedUpYield());
}
}
