private long SysDeltaTime()
{
long now = SysUtil.TickToMilliSec(System.DateTime.Now.Ticks);
long dt = now - localSysTime;
localSysTime = now;
return(dt);
}
public void Start()
{
localSysTime = SysUtil.TickToMilliSec(System.DateTime.Now.Ticks);
frameTime = localSysTime;
lastFrameTime = frameTime - 30;
}