class Circle implements Player {
  void draw(int x, int y, int xOffset, int yOffset, int cellSize) {
    ellipse(xOffset + x * cellSize + cellSize / 2, yOffset + y * cellSize + cellSize / 2, 2*cellSize / 3, 2*cellSize / 3);
  }
  
  boolean isSame(Player player) {
    return player != null && player instanceof Circle;
  }
}