auto save

snake.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+#控制刷新帧数函数
+DP=pygame.time.Clock()
+# 背景
+background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
+#蛇头的初始坐标
+x,y=240,120
+poat=[(180,90),(180,120),(210,120),(x,y)]
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit()
+        if event.type ==locals.KEYDOWN:
+            if event.key==locals.K_LEFT and setheading != 'right':
+                setheading='left'
+            if event.key==locals.K_DOWN and setheading != 'UP':
+                setheading='down'
+            if event.key==locals.K_UP and setheading != 'down':
+                setheading='up'
+            if event.key==locals.K_RIGHT and setheading != 'left':
+                setheading='right'
+        
+    x+=30
+    poat.append((x,y))
+    poat.pop(0)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(right, (x, y))
+    # 将贪吃蛇的身体画上去
+    screen.blit(right,poat[-1])
+    for i in range(len(poat)-1):
+        screen.blit(body,poat[i])
+     # 将果实画上去
+    screen.blit(food, (360, 300))
+    #让头向右移动
+
+    
+    # 刷新画面
+    pygame.display.update()
+    #刷新控制
+    DP.tick(3)