save project

snake.py

@@ -3,37 +3,65 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-x,y=240,120
-position=[(180,90),(180,120),(210,120),(x,y)]
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK=pygame.time.Clock()#.tick()
+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
-    position.append((x,y))
-    position.pop(0)        
+    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(right, (x, y))
+    screen.blit(snack_head,ea[-1])
     # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.lit(body,position[i])
-    #screen.blit(body, (210, 120))
-    #screen.blit(body, (180, 120))
-    #screen.blit(body, (180, 90))
+    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()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    abc.tick(3)
\ No newline at end of file