Function loop

deps/SDL2/test/testrelative.c:37–75

}

static void
loop(){
    /* Check for events */
    while (SDL_PollEvent(&event)) {
        SDLTest_CommonEvent(state, &event, &done);
        switch(event.type) {
        case SDL_MOUSEMOTION:
            {
                rect.x += event.motion.xrel;
                rect.y += event.motion.yrel;
            }
            break;
        }
    }
    for (i = 0; i < state->num_windows; ++i) {
        SDL_Rect viewport;
        SDL_Renderer *renderer = state->renderers[i];
        if (state->windows[i] == NULL)
            continue;
        SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0xFF);
        SDL_RenderClear(renderer);

        /* Wrap the cursor rectangle at the screen edges to keep it visible */
        SDL_RenderGetViewport(renderer, &viewport);
        if (rect.x < viewport.x) rect.x += viewport.w;
        if (rect.y < viewport.y) rect.y += viewport.h;
        if (rect.x > viewport.x + viewport.w) rect.x -= viewport.w;
        if (rect.y > viewport.y + viewport.h) rect.y -= viewport.h;

        DrawRects(renderer, &rect);

        SDL_RenderPresent(renderer);
    }
#ifdef __EMSCRIPTEN__
    if (done) {
        emscripten_cancel_main_loop();
    }
#endif
}

int
main(int argc, char *argv[])