使用Q语言编写一个贪吃蛇小游戏

很抱歉，我并不支持Q语言，但我可以给您提供一个基于Python的简单贪吃蛇小游戏代码，供您参考：

import pygame
import random

# 初始化Pygame
pygame.init()

# 设定游戏界面大小
width = 640
height = 480
screen = pygame.display.set_mode((width, height))

# 设定游戏标题
pygame.display.set_caption("贪吃蛇")

# 定义颜色
black = pygame.Color(0, 0, 0)
white = pygame.Color(255, 255, 255)
red = pygame.Color(255, 0, 0)
green = pygame.Color(0, 255, 0)
blue = pygame.Color(0, 0, 255)

# 设定游戏帧率
fps = pygame.time.Clock()

# 设定初始位置
snake_pos = [100, 50]
snake_body = [[100, 50], [90, 50], [80, 50]]

# 设定初始食物位置
food_pos = [random.randrange(1, (width//10)) * 10, random.randrange(1, (height//10)) * 10]
food_spawn = True

# 设定初始方向
direction = "RIGHT"
change_to = direction

# 设定分数
score = 0

# 定义绘制文字函数
def draw_text(text, size, color, x, y):
    font = pygame.font.SysFont(None, size)
    text_surface = font.render(text, True, color)
    text_rect = text_surface.get_rect()
    text_rect.midtop = (x, y)
    screen.blit(text_surface, text_rect)

# 定义游戏结束函数
def game_over():
    draw_text("游戏结束", 40, red, width/2, height/4)
    draw_text("分数: " + str(score), 30, white, width/2, height/2)
    draw_text("按Q键退出", 20, white, width/2, height*3/4)
    pygame.display.flip()
    pygame.time.wait(5000)
    pygame.quit()
    quit()

# 开始游戏主循环
while True:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_q:
                pygame.quit()
                quit()
            elif event.key == pygame.K_LEFT:
                change_to = "LEFT"
            elif event.key == pygame.K_RIGHT:
                change_to = "RIGHT"
            elif event.key == pygame.K_UP:
                change_to = "UP"
            elif event.key == pygame.K_DOWN:
                change_to = "DOWN"

    # 判断是否反向移动
    if change_to == "LEFT" and direction != "RIGHT":
        direction = "LEFT"
    elif change_to == "RIGHT" and direction != "LEFT":
        direction = "RIGHT"
    elif change_to == "UP" and direction != "DOWN":
        direction = "UP"
    elif change_to == "DOWN" and direction != "UP":
        direction = "DOWN"

    # 根据方向移动蛇头
    if direction == "LEFT":
        snake_pos[0] -= 10
    elif direction == "RIGHT":
        snake_pos[0] += 10
    elif direction == "UP":
        snake_pos[1] -= 10
    elif direction == "DOWN":
        snake_pos[1] += 10

    # 增加蛇身长度
    snake_body.insert(0, list(snake_pos))
    if snake_pos == food_pos:
        food_spawn = False
        score += 1
    else:
        snake_body.pop()

    # 重新生成食物
    if not food_spawn:
        food_pos = [random.randrange(1, (width//10)) * 10, random.randrange(1, (height//10)) * 10]
    food_spawn = True

    # 绘制游戏界面
    screen.fill(black)
    for pos in snake_body:
        pygame.draw.rect(screen, green, pygame.Rect(pos[0], pos[1], 10, 10))
    pygame.draw.rect(screen, blue, pygame.Rect(food_pos[0], food_pos[1], 10, 10))

    # 判断是否撞墙或撞到自己
    if snake_pos[0] < 0 or snake_pos[0] > width-10:
        game_over()
    if snake_pos[1] < 0 or snake_pos[1] > height-10:
        game_over()
    for block in snake_body[1:]:
        if snake_pos == block:
            game_over()

    # 绘制分数
    draw_text("分数: " + str(score), 18, white, width-80, 10)

    # 更新游戏界面
    pygame.display.update()

    # 设定游戏帧率
    fps.tick(15)