class Brasenham:
    def draw_line(self, x0, y0, x1, y1, screen):
        x0 = x0 // 32
        y0 = y0 // 32
        x1 = x1 // 32
        y1 = y1 // 32


        dx = abs(x1 - x0)
        dy = abs(y1 - y0)

        sx = 1 if x0 < x1 else -1
        sy = 1 if y0 < y1 else -1

        err = dx - dy

        x = x0
        y = y0

        while True:
            pixel_x = x * 32
            pixel_y = y * 32

            cube_rect = pygame.FRect(pixel_x, pixel_y, 32, 32)
            pygame.draw.rect(screen, 'white', cube_rect)

            if x == x1 and y == y1:
                break

            err2 = 2 * err

            if err2 > -dy:
                err -= dy
                x += sx

            if err2 < dx:
                err += dx
                y += sy