// update只有在编辑器或者手机上才会生效
// 如果该代码是运行在其他平台上则标识是验证客户端不需要Update驱动
// 外面逻辑自己驱动
#if UNITY_IPHONE || UNITY_ANDROID || UNITY_EDITOR
/// <summary>
/// Update this instance.
/// </summary>
void Update()
{
mFixedModeInternal = true;
long uf = (long)FixedDeltaTime;
bool steping = true;
// 计算时间差
long interval = (long)((FixedPrecision(Time.time) - mStartTime) * mPrecision * mTimeScalePrecition);
// 循环驱动固定协程
while (uf > 0 && (mFixedTime + uf) <= interval)
{
mFixedTime += uf;
if (steping && mCoroutionFixedList.Count > 0)
{
Proxy[] ps = new Proxy[mCoroutionFixedList.Count];
mCoroutionFixedList.CopyTo(ps, 0);
int i = 0;
// 如果mLastProxy不为null，则接着上衣系驱动继续驱动
if (mLastProxy != null)
{
for (i = 0; i < ps.Length; i++)
{
if (ps[i] == mLastProxy)
{
break;
}
}
if (i == ps.Length)
{
i = 0;
}
mLastProxy = null;
}
// 接着上一次驱动继续StepFixed
for (; i < ps.Length; i++)
{
Proxy p = ps[i];
// StepFixed
StepFixed(p);
// 时间缩放没有改变
long newUF = (long)FixedDeltaTime;
if (uf == newUF)
{
continue;
}
// 时间缩放改变不能再继续驱动了，记录uf
uf = newUF;
// 标识steping为false
steping = false;
// 记录当前驱动位置
if (i < ps.Length - 1)
{
mLastProxy = ps[i + 1];
}
// 退出驱动
break;
}
}
}
// 标识mFixedModeInternal驱动结束
mFixedModeInternal = false;
// 刷新TimeScale
TimeMgr.RefreshTimeScale();
}