save project

snake.py

@@ -6,29 +6,58 @@ pygame.init()
 
 
 # 创建一个窗口
-FPSCLOCK=pygame.time.Clock()
 muffin = pygame.display.set_mode((660, 480))
+FPSCLOCK=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
 muffinb = [(180,90), (180,120), (210,120), (x, y)]
+setheading = "right"
+snake_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()
-    # 将背景图画上去
-    x += 30
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != "left":
+                setheading = 'right'
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading != "right":
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_UP and setheading != "down":
+                setheading = 'up'
+                snake_head = up
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = 'down'
+                snake_head = down
+        # 将背景图画上去
+
+    if setheading == "right":
+        x+=30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == "up": 
+        y -= 30
+    else:
+        y += 30
     muffinb.append((x, y))
     muffinb.pop(0)
     muffin.blit(background, (0, 0))
     # 将贪吃蛇画上去
     muffin.blit(right, muffinb[-1])
-    for i in range(len(muffinb)-1):
+    for i in range(len(muffinb) -1):
     # 将贪吃蛇的身体画上去
         muffin.blit(body, muffinb[i])