import pygame
import random

# Initialize Pygame
pygame.init()

# Set up the display
width, height = 800, 600
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("Simple Game")

# Colors
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)

# Player
player_size = 50
player_x = width // 2 - player_size // 2
player_y = height - player_size - 10
player_speed = 5

# Enemy
enemy_size = 50
enemy_x = random.randint(0, width - enemy_size)
enemy_y = 0
enemy_speed = 3

# Game loop
running = True
clock = pygame.time.Clock()

while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # Move player
    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT] and player_x > 0:
        player_x -= player_speed
    if keys[pygame.K_RIGHT] and player_x < width - player_size:
        player_x += player_speed

    # Move enemy
    enemy_y += enemy_speed
    if enemy_y > height:
        enemy_y = 0
        enemy_x = random.randint(0, width - enemy_size)

    # Check for collision
    if (player_x < enemy_x + enemy_size and
        player_x + player_size > enemy_x and
        player_y < enemy_y + enemy_size and
        player_y + player_size > enemy_y):
        print("Game Over!")
        running = False

    # Draw everything
    screen.fill(BLACK)
    pygame.draw.rect(screen, WHITE, (player_x, player_y, player_size, player_size))
    pygame.draw.rect(screen, RED, (enemy_x, enemy_y, enemy_size, enemy_size))
    pygame.display.flip()

    clock.tick(60)

pygame.quit()