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separate global tick from draw so on tick any node can request a redraw

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This commit is contained in:
omigamedev
2018-10-08 12:03:57 +02:00
parent c9c7b9f1c4
commit 5bb8f8845b
8 changed files with 30 additions and 19 deletions
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23
PanoPainter-OSX/main.cpp
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@@ -155,11 +155,14 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
{
static double _timeFreq = CVGetHostClockFrequency();
static double _prevTime = (double)outputTime->hostTime / _timeFreq;
static double elapsed = 0;
double hostTime = (double)outputTime->hostTime;
double now = hostTime / _timeFreq;
double dt = now - _prevTime;
_prevTime = now;
// this will not update unless 1/30th of a second has passed since the last update
if (1 /*now < _prevTime + (1.0 / 30.0) &&*/ )
//if (now < _prevTime + (1.0 / 30.0))
{
std::deque<std::packaged_task<void()>> working_list;
{
@@ -180,17 +183,14 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
working_list.pop_front();
}
double dt = now - _prevTime;
if (dt > 0.1)
App::I.redraw = true;
App::I.tick(dt);
if (App::I.redraw)
{
App::I.clear();
App::I.update(dt);
App::I.update(elapsed);
elapsed = 0;
CGLFlushDrawable([glctx CGLContextObj]);
_prevTime = now;
}
//[[self openGLContext] flushBuffer];
@@ -199,13 +199,6 @@ static CVReturn MyDisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTime
CGLUnlockContext([glctx CGLContextObj]);
return NO;
}
else
{
// change whatever you want to change here, as a function of time elapsed
_prevTime = now;
// return YES to have your layer redrawn
return YES;
}
return kCVReturnSuccess;
}