ChatGPT与我们玩游戏_贪吃蛇
作者：顾翔import tkinter as tk
import random
class SnakeGame:
def __init__(self, master):
self.master = master
self.master.title("贪吃蛇")
self.board_size = 400 # 游戏画布大小
self.cell_size = 20 # 每个格子的大小
self.rows = self.board_size // self.cell_size
self.cols = self.board_size // self.cell_size
# 初始化游戏状态
self.snake = [(5, 5), (5, 4), (5, 3)] # 蛇的初始位置（用格子坐标表示）
self.food = None
self.direction = "Right" # 蛇的初始方向
self.running = True
# 创建画布
self.canvas = tk.Canvas(self.master, width=self.board_size, height=self.board_size, bg="black")
self.canvas.pack()
# 绑定键盘事件
self.master.bind("", self.change_direction)
# 放置食物
self.place_food()
# 开始游戏循环
self.update_game()
def place_food(self):
"""随机放置食物"""
while True:
food = (random.randint(0, self.rows - 1), random.randint(0, self.cols - 1))
if food not in self.snake: # 确保食物不会出现在蛇的身体上
self.food = food
break
def change_direction(self, event):
"""更改蛇的移动方向"""
new_direction = event.keysym
# 防止蛇直接反向移动
if (new_direction == "Up" and self.direction != "Down") or
(new_direction == "Down" and self.direction != "Up") or
(new_direction == "Left" and self.direction != "Right") or
(new_direction == "Right" and self.direction != "Left"):
self.direction = new_direction
def update_game(self):
"""更新游戏状态"""
if not self.running:
return
# 移动蛇
head_x, head_y = self.snake[0]
if self.direction == "Up":
head_x -= 1
elif self.direction == "Down":
head_x += 1
elif self.direction == "Left":
head_y -= 1
elif self.direction == "Right":
head_y += 1
# 新的蛇头位置
new_head = (head_x, head_y)
# 检查游戏结束条件
if (new_head in self.snake or # 撞到自己
head_x < 0 or head_x >= self.rows or # 撞到上/下边界
head_y < 0 or head_y >= self.cols): # 撞到左/右边界
self.running = False
self.game_over()
return
# 更新蛇的身体
self.snake.insert(0, new_head)
if new_head == self.food:
# 吃到食物，放置新的食物
self.place_food()
else:
# 没有吃到食物，移除蛇尾
self.snake.pop()
# 更新画布
self.update_canvas()
# 设置游戏循环的速度（100毫秒更新一次）
self.master.after(300, self.update_game)
def update_canvas(self):
"""更新画布内容"""
self.canvas.delete("all") # 清空画布
# 绘制蛇
for x, y in self.snake:
x1 = y * self.cell_size
y1 = x * self.cell_size
x2 = x1 + self.cell_size
y2 = y1 + self.cell_size
self.canvas.create_rectangle(x1, y1, x2, y2, fill="green", outline="")
# 绘制食物
if self.food:
fx, fy = self.food
x1 = fy * self.cell_size
y1 = fx * self.cell_size
x2 = x1 + self.cell_size
y2 = y1 + self.cell_size
self.canvas.create_oval(x1, y1, x2, y2, fill="red", outline="")
def game_over(self):
"""游戏结束"""
self.canvas.create_text(self.board_size // 2, self.board_size // 2,
text="游戏结束", fill="white", font=("Arial", 24))
if __name__ == "__main__":
root = tk.Tk()
game = SnakeGame(root)
root.mainloop()