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这篇文章主要讲解了“怎么用Python代码实现贪吃蛇小游戏”,文中的讲解内容简单清晰,易于学习与理解,下面请大家跟着小编的思路慢慢深入,一起来研究和学习“怎么用Python代码实现贪吃蛇小游戏”吧!
执行之后,在当前目录下就多了一个snake.py文件,打开就能查看游戏对应的逻辑
"""Snake, classic arcade game. Exercises 1. How do you make the snake faster or slower? 2. How can you make the snake go around the edges? 3. How would you move the food? 4. Change the snake to respond to arrow keys. """ from turtle import * from random import randrange from freegames import square, vector food = vector(0, 0) snake = [vector(10, 0)] aim = vector(0, -10) def change(x, y): "Change snake direction." aim.x = x aim.y = y def inside(head): "Return True if head inside boundaries." return -200 < head.x < 190 and -200 < head.y < 190 def move(): "Move snake forward one segment." head = snake[-1].copy() head.move(aim) if not inside(head) or head in snake: square(head.x, head.y, 9, 'red') update() return snake.append(head) if head == food: print('Snake:', len(snake)) food.x = randrange(-15, 15) * 10 food.y = randrange(-15, 15) * 10 else: snake.pop(0) clear() for body in snake: square(body.x, body.y, 9, 'black') square(food.x, food.y, 9, 'green') update() ontimer(move, 100) setup(420, 420, 370, 0) hideturtle() tracer(False) listen() onkey(lambda: change(10, 0), 'Right') onkey(lambda: change(-10, 0), 'Left') onkey(lambda: change(0, 10), 'Up') onkey(lambda: change(0, -10), 'Down') move() done()
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