# Update display pygame.display.flip()
# Defender properties defender_size = 50 defender_pos = [SCREEN_WIDTH / 2, SCREEN_HEIGHT - defender_size * 2] defender_speed = 5
def move(self): self.pos[1] += enemy_speed
def main(): global defender_pos, enemies, bullets
# Move and draw bullets for bullet in bullets: bullet.move() pygame.draw.rect(screen, WHITE, (bullet.pos[0], bullet.pos[1], bullet_size, bullet_size)) if bullet.pos[1] < 0: bullets.remove(bullet)
screen.fill((0, 0, 0))
# Screen dimensions SCREEN_WIDTH = 800 SCREEN_HEIGHT = 600 screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))