python贪吃蛇
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1 class point: 2 row=0 3 col=0 4 def __init__(self,row,col): 5 self.row=row 6 self.col=col 7 def copy(self): 8 return point(row=self.row,col=self.col) 9 #初始化框架 10 import pygame 11 import random 12 pygame.init() 13 width=800 14 height=600 15 ROW=30 16 COL=40 17 size=(width,height) 18 window=pygame.display.set_mode(size) 19 pygame.display.set_caption(‘mlhj‘) 20 head=point(row=random.randint(0,ROW-1),col=random.randint(0,COL-1)) 21 food=point(row=random.randint(0,ROW-1),col=random.randint(0,COL-1)) 22 quit=True 23 clock =pygame.time.Clock() 24 back_color=(255,255,255) 25 head_color=(255,0,0) 26 snake_color=(128,128,128) 27 food_color=(0,128,128) 28 snakes=[] 29 def rect(point,color): 30 cell_width=width/COL 31 cell_height=height/ROW 32 left=point.col*(cell_width) 33 top=point.row*(cell_height) 34 pygame.draw.rect(window, color, (left, top, cell_width, cell_height)) 35 pass
36 dir=‘left‘ 37 while quit: 38 for event in pygame.event.get(): 39 print(event) 40 if event.type==pygame.QUIT: 41 quit = False 42 elif event.type==pygame.KEYDOWN: 43 if event.key==273: 44 if dir==‘left‘ or dir==‘right‘: 45 dir=‘up‘ 46 elif event.key==274: 47 if dir == ‘left‘ or dir == ‘right‘: 48 dir=‘down‘ 49 elif event.key == 275: 50 if dir == ‘up‘ or dir == ‘down‘: 51 dir = ‘right‘ 52 elif event.key == 276: 53 if dir == ‘up‘ or dir == ‘down‘: 54 dir = ‘left‘ 55 eat = (head.row==food.row and head.col==food.col) 56 snakes.insert(0,point.copy(head)) 57 if not eat: #如果没吃到,移动的时候就把尾巴给‘扔了’,如果迟到了食物,则会增加一节,这一节刚好就是需要pop的那一个位置 58 snakes.pop() 59 if eat: 60 food = point(row=random.randint(0, ROW - 1), col=random.randint(0, COL - 1)) 61 #碰到边界死亡 62 if head.col>40 or head.row<0 or head.row>30or head.col<0: 63 quit=False 64 #碰到自己的身体死亡 65 for snake in snakes: 66 if snake.row==head.row and snake.col==head.col: 67 quit=False 68 if dir==‘left‘: 69 head.col-=1 70 elif dir==‘right‘: 71 head.col+=1 72 elif dir==‘up‘: 73 head.row-=1 74 elif dir == ‘down‘: 75 head.row += 1 76 #渲染,将舌头蛇身食物等在界面上画出来 77 pygame.display.flip() 78 pygame.draw.rect(window,back_color,(0,0,width,height)) 79 rect(head,head_color) 80 rect(food,food_color) 81 for snake in snakes: 82 rect(snake,snake_color) 83 84 85 86 #设置帧频 87 clock.tick(10)
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