anchor.diff:          // left
           snakePoints[i].x -= 1;
           if (snakePoints[i].x < 0) {
  -          snakePoints[i].x = (bitmapWidth / 10);
  +          snakePoints[i].x = (bitmapWidth / 10).floor();
           }
         } else if (direction.y == 1) {
           // down
  
positive.code:     stderr.writeln('CreateWindowEx failed with error: ${GetLastError()}');
      exit(-1);
    } else {
      SetTimer(hWnd, IDT_TIMER1, timer_amount, nullptr);
  
      isRunning = true;
      while (isRunning) {
  
negative.code: bool isRunning = false;
  
  final bitmapInfo = BITMAPINFO.allocate();
  Pointer<Void> bitmapMemory = nullptr;
  int bitmapWidth;
  int bitmapHeight;
  int bytesPerPixel = 4;
  