void display()
{
if(lastTime == 0)
{
lastTime = glutGet(GLUT_ELAPSED_TIME);
}
now = glutGet(GLUT_ELAPSED_TIME);
delta_t = (now - lastTime) / 1000.0f;
//lastTime = now; //1 / delta_t here means the frame rate.
fpsTracker.timestamp();
//update camera information per frame
updateCamera();
checkClear();
if(moved)
lastTime = now;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//do raytrace
raytrace();
//render result as texture
displayTexture();
//draw tool bar
TwDraw();
drawFps();
glutSwapBuffers();
glutPostRedisplay();
}
void endScreen(){
over=true;
//make a final score screen
SDL_SetRenderDrawColor( gRenderer, 0xFF, 0xFF, 0x00, 0xFF );
SDL_RenderClear( gRenderer );
background_image = loadImage("end.png");
displayTexture(background_image, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_FLIP_NONE);
SDL_SetRenderDrawColor( gRenderer, 0xFF, 0x00, 0xFF, 0xFF );
//point tallies
int thickness=5;
int j,i,k;
for (j=0; j<points;j++){
for( i = SCREEN_HEIGHT/3.5; i < 13*SCREEN_HEIGHT/14; i++ )
{
for (k=0;k<thickness;k++){
SDL_RenderDrawPoint( gRenderer, (j+1)*(SCREEN_WIDTH)/(points)+k, i );
}
}
// SDL_RenderDrawLine( gRenderer, 0,10,20,10);
}
SDL_RenderPresent( gRenderer ); //update screen
}
void SmokeRenderer::render()
{
switch(mDisplayMode) {
case POINTS:
glColor3f(1.0, 1.0, 1.0);
m_simpleProg->enable();
drawPoints(0, mNumParticles, false);
m_simpleProg->disable();
break;
case SPRITES:
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
glColor4f(1.0, 1.0, 1.0, m_spriteAlpha);
drawPointSprites(m_particleProg, 0, mNumParticles, false);
break;
case VOLUMETRIC:
drawSlices();
compositeResult();
break;
case NUM_MODES:
break;
}
if (m_displayLightBuffer) {
// display light buffer to screen
glViewport(0, 0, m_lightBufferSize, m_lightBufferSize);
glDisable(GL_DEPTH_TEST);
displayTexture(m_lightTexture[m_srcLightTexture]);
glViewport(0, 0, mWindowW, mWindowH);
}
glutReportErrors();
}
// composite final volume image on top of scene
void SmokeRenderer::compositeResult()
{
glViewport(0, 0, mWindowW, mWindowH);
glDisable(GL_DEPTH_TEST);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
displayTexture(m_imageTex);
glDisable(GL_BLEND);
}
void QHoneycombWidget::paintGL()
{
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
computeTexture();
displayTexture(imWidth, imHeight);
update();
}
void Renderer::compositeResult()
{
/*m_imageFbo->Disable();
m_postprocessingFbo->Disable();
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
m_displayTexProg->enable();
m_displayTexProg->bindTexture("tex", m_imageTex, GL_TEXTURE_2D, 0);
drawQuad();
m_displayTexProg->disable();*/
glViewport(0, 0, mWindowW, mWindowH);
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
//glEnable(GL_BLEND); GL_SRC_ALPHA
displayTexture(m_imageTex);
//m_postprocessingTex m_imageTex
glDisable(GL_BLEND);
}
void MonaEv::displayShapes(const std::array<int, 2> &winSize)
{
if (ppainter_) {
displayTexture(ppainter_->getShapesTexture(), ppainter_->getImageSize(), winSize);
}
}
void Car::display ()
{
//displayWireFrame ();
//displaySolidCube ();
displayTexture ();
}
