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))
+abc=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')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+
+x,y=240,120
+ea=[(180,90),(180,120),(210,120),(x,y)]
+setheading='right'
+snack_head=right
+
+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()
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading!='left':
+                setheading='right'
+                snack_head=right
+            if event.key==locals.K_LEFT and setheading!='right':
+                setheading='left'
+                snack_head=left
+            if event.key==locals.K_UP and setheading!='down':
+                setheading='up'
+                snack_head=up
+            if event.key==locals.K_DOWN and setheading!='up':
+                setheading='down'
+                snack_head=down
+    if setheading=='right':
+        x+=30
+    elif setheading=='left':
+        x-=30
+    elif setheading=='up':
+        y+=30
+    else:
+        y-=30
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    ea.append((x,y))
+    #ea.pop(0)
+    # 将贪吃蛇画上去
+    screen.blit(snack_head,ea[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(ea)-1):
+        screen.blit(body,ea[i])
+    '''
+    screen.blit(body, (210, 120))
+    screen.blit(body, (180, 120))
+    screen.blit(body, (180, 90))
+    '''
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    abc.tick(3)
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