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snake.py

@@ -6,27 +6,67 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
+#时钟
+FPSCLOCK=pygame.time.Clock()
 
+x,y=240,120
+position=[(150,120),(180,120),(210,120),(x,y)]#位置列表
 # 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')
 
+setheading="right"
+snake_h=right
+
 while True:
     for event in pygame.event.get():
+        print(event)
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        #按下键
+        if event.type == locals.KEYDOWN:
+            #按下右键
+            if event.key == locals.K_RIGHT and setheading !="left":
+                setheading='right'
+                snake_h=right
+            #按下左键
+            if event.key == locals.K_LEFT and setheading !="right":
+                setheading='left'
+                snake_h=left
+            #按下下键
+            if event.key == locals.K_DOWN and setheading !="up":
+                setheading='down'
+                snake_h=down
+            #按下上键
+            if event.key == locals.K_UP and setheading !="down":
+                setheading='up'
+                snake_h=up
+    #设置贪吃蛇头部坐标
+    if setheading=='right':
+        x+=30
+    elif setheading=='left':
+        x-=30
+    elif setheading=='down':
+        y+=30
+    else:
+        y-=30
+    position.append((x,y))
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(snake_h, position[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    FPSCLOCK.tick(3)
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