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avoid MT crash in VR/physics server due to printf from separate thread.

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add fps display in VR
use 1./240. internal substep for real-time physics sim in VR/physics server for more accurate robotics sim.
This commit is contained in:
erwin coumans
2016-08-18 21:43:43 -07:00
parent 91839cb274
commit a68c9ca845
3 changed files with 20 additions and 5 deletions
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17
examples/SharedMemory/PhysicsServerExample.cpp
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@@ -872,7 +872,22 @@ void PhysicsServerExample::renderScene()
static int frameCount=0;
frameCount++;
char bla[1024];
sprintf(bla,"VR sub-title text test, frame %d", frameCount/2);
static btScalar prevTime = m_clock.getTimeSeconds();
btScalar curTime = m_clock.getTimeSeconds();
static btScalar deltaTime = 0.f;
static int count = 10;
if (count-- < 0)
{
count = 10;
deltaTime = curTime - prevTime;
}
if (deltaTime == 0)
deltaTime = 1000;
prevTime = curTime;
sprintf(bla,"VR sub-title text test,fps = %f, frame %d", 1./deltaTime, frameCount/2);
float pos[4];
m_guiHelper->getAppInterface()->m_renderer->getActiveCamera()->getCameraTargetPosition(pos);
btTransform viewTr;