SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); SDL_RenderClear(renderer); SDL_RenderPresent(renderer);

// SDL2 Window creation SDL_Window* window = SDL_CreateWindow( "SDL2 Example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, SDL_WINDOW_SHOWN );

#define WINDOW_WIDTH 800 #define WINDOW_HEIGHT 600 #define BALL_RADIUS 20

int main(int argc, char* argv[]) // 1. Initialize SDL3 video subsystem only if (!SDL_Init(SDL_INIT_VIDEO)) SDL_Log("SDL_Init Error: %s", SDL_GetError()); return 1;