save project

snake.py

+import pygame
+from pygame import locals
+import random
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660,480))
+fps=pygame.time.Clock()
+#载入图片
+bg=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+apple=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
+x=360
+y=300
+pos=[(300,270),(330,300),(360,300),(x,y)]
+heah='right'
+a_x=360
+a_y=210
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and heah!='left':
+                heah='right'
+            if event.key==locals.K_LEFT and heah!='right':
+                heah='left'
+            if event.key==locals.K_UP and heah!='down':
+                heah='up'
+            if event.key==locals.K_DOWN and heah!='up':
+                heah='down'
+    if heah=="right":
+        x+=30
+        tou=right
+    if heah=="left":
+        x-=30
+        tou=left
+    if heah=="down":
+        y+=30
+        tou=down
+    if heah=="up":
+        y-=30
+        tou=up
+    pos.append((x,y))
+    pos.pop(0)
+    if x==a_x and y==a_y:
+        a_x=random.randint(0,22)*30
+        a_y=random.randint(0,16)*30
+    screen.blit(bg,(0,0))
+    screen.blit(apple,(a_x,a_y))
+    screen.blit(tou,(x,y))
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
+    pygame.display.update()
+    fps.tick(3)
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