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修复计时问题

This commit is contained in:
Nomango 2018-05-31 20:28:50 +08:00
parent 2def0e2794
commit d66927d07a
1 changed files with 13 additions and 15 deletions
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28
core/Base/Time.cpp
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@ -9,44 +9,43 @@ static steady_clock::time_point s_tStart;
// 当前时间
static steady_clock::time_point s_tNow;
// 上一帧刷新时间
static steady_clock::time_point s_tLastUpdate;
static steady_clock::time_point s_tLast;
// ¹Ì¶¨µÄË¢ÐÂʱ¼ä
static steady_clock::time_point s_tFixed;
// 每一帧间隔
static milliseconds s_tExceptedInvertal;
// ÓÎÏ·¿ªÊ¼Ê±³¤
static unsigned int s_nTotalTime = 0;
double e2d::Time::getTotalTime()
{
return s_nTotalTime / 1000.0;
return duration_cast<microseconds>(s_tNow - s_tStart).count() / 1000.0 / 1000.0;
}
unsigned int e2d::Time::getTotalTimeMilliseconds()
{
return s_nTotalTime;
return static_cast<unsigned int>(duration_cast<milliseconds>(s_tNow - s_tStart).count());
}
double e2d::Time::getDeltaTime()
{
return s_tExceptedInvertal.count() / 1000.0;
return duration_cast<microseconds>(s_tNow - s_tLast).count() / 1000.0 / 1000.0;
}
unsigned int e2d::Time::getDeltaTimeMilliseconds()
{
return static_cast<unsigned int>(s_tExceptedInvertal.count());
return static_cast<unsigned int>(duration_cast<milliseconds>(s_tNow - s_tLast).count());
}
bool e2d::Time::__init()
{
s_tStart = s_tLastUpdate = s_tNow = steady_clock::now();
s_tStart = s_tFixed = s_tLast = s_tNow = steady_clock::now();
s_tExceptedInvertal = milliseconds(15);
return true;
}
bool e2d::Time::__isReady()
{
return s_tExceptedInvertal < duration_cast<milliseconds>(s_tNow - s_tLastUpdate);
return s_tExceptedInvertal < duration_cast<milliseconds>(s_tNow - s_tFixed);
}
void e2d::Time::__updateNow()
@ -57,22 +56,21 @@ void e2d::Time::__updateNow()
void e2d::Time::__updateLast()
{
s_tLastUpdate += s_tExceptedInvertal;
s_tFixed += s_tExceptedInvertal;
s_tLast = s_tNow;
s_tNow = steady_clock::now();
s_nTotalTime = static_cast<unsigned int>(duration_cast<milliseconds>(s_tNow - s_tStart).count());
}
void e2d::Time::__reset()
{
s_tLastUpdate = s_tNow = steady_clock::now();
s_nTotalTime = static_cast<unsigned int>(duration_cast<milliseconds>(s_tNow - s_tStart).count());
s_tLast = s_tFixed = s_tNow = steady_clock::now();
}
void e2d::Time::__sleep()
{
// 计算挂起时长
int nWaitMS = 16 - static_cast<int>(duration_cast<milliseconds>(s_tNow - s_tLastUpdate).count());
int nWaitMS = 16 - static_cast<int>(duration_cast<milliseconds>(s_tNow - s_tFixed).count());
if (nWaitMS > 1)
{