int WindowManager::getFramerate()
{
if (!settings.limitFps)
return 0;
return SDL_getFramerate(&fpsManager);
}
void Draw(SDL_Renderer *renderer, FPSmanager *fpsm)
{
int newRate;
int currentRate;
/* FPSmanager: get current rate */
currentRate = SDL_getFramerate(fpsm);
/* Set/switch framerate */
timeout--;
if (timeout < 0) {
/* New rate */
newRate = 5 + 5 * (rand() % 10);
/* Update timeout */
timeout = 2 * newRate;
/* New Color */
r = rand() & 255;
g = rand() & 255;
b = rand() & 255;
/* FPSmanager: set new rate */
SDL_setFramerate(fpsm, newRate);
}
/* Black screen */
ClearScreen(renderer);
/* Move */
x += dx;
y += dy;
/* Reflect */
if ((x<0) || (x>WIDTH)) { dx=-dx; }
if ((y<0) || (y>HEIGHT)) { dy=-dy; }
/* Draw */
filledCircleRGBA (renderer,x,y,30,r,g,b,255);
circleRGBA(renderer,x,y,30,255,255,255,255);
/* Report set rate and current delay (from last iteration) */
if (time_passed > 0) {
SDL_snprintf(messageText, 1024, "Set rate: %4iHz Last delay=%4ims / Calc.Rate=%4iHz", currentRate, time_passed, 1000 / time_passed);
stringRGBA (renderer, WIDTH/2 - 4*strlen(messageText),HEIGHT-24,messageText,255,255,255,255);
}
/* Simulate some random delay from drawing, business logic, network interaction, etc. */
SDL_Delay(1 + rand() % 10);
/* Display */
SDL_RenderPresent(renderer);
/* FPSmanager: Delay to a fixed rate */
time_passed = SDL_framerateDelay(fpsm);
}
int DesiredFPS(){
return SDL_getFramerate(&fpsm);
}
