main_loop

while( !quit )
            {
                //Handle events on queue
                while( SDL_PollEvent( &e ) != 0 )
                {
                    //User requests quit
                    if( e.type == SDL_QUIT )
                    {
                        quit = true;
                    }
                }

                //Clear screen
                SDL_SetRenderDrawColor( gRenderer, 0, 0xFF, 0xFF, 0xFF );
                SDL_RenderClear( gRenderer );

                SDL_Delay(2000);  // put this in to check if it is really repeat

                //Render top left sprite
                gSpriteSheetTexture.render( 0, 0, &gSpriteClips[ 0 ] );

                //Render top right sprite
                gSpriteSheetTexture.render( SCREEN_WIDTH - gSpriteClips[ 1 ].w, 0, &gSpriteClips[ 1 ] );

                //Render bottom left sprite
                gSpriteSheetTexture.render( 0, SCREEN_HEIGHT - gSpriteClips[ 2 ].h, &gSpriteClips[ 2 ] );

                //Render bottom right sprite
                gSpriteSheetTexture.render( SCREEN_WIDTH - gSpriteClips[ 3 ].w, SCREEN_HEIGHT - gSpriteClips[ 3 ].h, &gSpriteClips[3]);

                //Update screen
                SDL_RenderPresent( gRenderer );
            }