save project

snake.py

+import pygame
+from pygame import locals
+setheading='right'
+
+
+# 初始化pygame，为使用硬件做准备t
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+# 背景
+background = 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')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+
+snake = right
+
+x=240
+y=120
+position=[(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_UP and setheading!='down':
+                setheading='up'
+                snake = up
+            elif event.key==locals.K_DOWN and setheading!='up':
+                setheading='down'
+                snake = down
+            elif event.key==locals.K_LEFT and setheading!='right':
+                setheading='left'
+                snake = left
+            elif event.key==locals.K_RIGHT and setheading!='left':
+                setheading='right'
+                snake = right
+    if setheading=='up':
+        y-=30
+        
+    if setheading=='down':
+        y+=30
+        
+    if setheading=='left':
+        x-=30
+        
+    if setheading=='right':
+        x+=30
+        
+    # 将背景图画上去
+    
+    position.append((x,y))
+    position.pop(0)
+
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    
+    for i in range(len(position)-1):
+        screen.blit(snake,position[-1])
+        screen.blit(body,position[i])
+    # 将贪吃蛇的身体画上去
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    pygame.time.Clock().tick(3)
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