/**
* @fn Display()
* @brief GLUT display callback.
*/
void Display()
{
//g_timer.Reset();
if (!g_bPause || g_bSingleStep)
{
g_bSingleStep = false;
// set parameters that may have changed
g_pFlo->SetViscosity(g_rViscosity);
g_pFlo->EnablePressureClear(g_bClearPressure);
g_pFlo->SetNumPoissonSteps(g_iNumPoissonSteps);
g_pFlo->SetMassColor(g_rInkRGB);
g_pFlo->SetInkLongevity(g_rInkLongevity);
g_pFlo->SetTimeStep(g_rTimestep);
g_pFlo->SetGridScale(g_rGridScale);
g_pFlo->SetVorticityConfinementScale(g_rVCScale);
if (g_displayMode == Flo::DISPLAY_VORTICITY || g_bComputeVorticity)
g_pFlo->EnableVorticityComputation(true);
else
g_pFlo->EnableVorticityComputation(false);
// For benchmarking...
if (g_bTiming)
{
if (g_perfTimer.GetNumStarts() == 100)
{
g_bTiming = false;
g_perfTimer.Stop();
printf("Average iteration time: %f\n", g_perfTimer.GetAvgTime());
}
g_perfTimer.Start();
}
// Take a simulation timestep.
g_pFlo->Update();
}
if (g_bDisplayFluid)
{
// Display the fluid.
g_pFlo->Display(g_displayMode, g_bBilerp, g_bMakeTex, g_bArbitraryBC);
// Display user interface.
if (g_bDisplaySliders)
{
paramlist->Render(0, 0);
}
glutSwapBuffers();
}
// Frame rate update
g_iFrameCount++;
if (g_timer.GetTime() > 0.5)
{
char title[100];
sprintf(title, "Flo Fluid Simulator: %f FPS",
g_iFrameCount / g_timer.GetTime());
glutSetWindowTitle(title);
g_iFrameCount = 0;
g_timer.Reset();
}
}
