save project

snake.py

@@ -13,27 +13,60 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.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    #
 x, y = 240,120    #
 position = [(180,90), (180,120),(210,120),(x,y)]
 position = [(180,90), (180,120),(210,120),(x,y)]
 
 
+setheading = "right"
+snake_head = right
+
 
 
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
+        
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
             exit()
             exit()
-    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
+
+    if setheading == "right":
+         x +=30
+    elif setheading == "left":
+         x -=30
+    elif setheading == "up":
+         y -=30
+    else:
+         y +=30
+    
+
+
+ 
+ 
+            
+      #
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
 
 
-
+    
 
 
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right,position[-1])
+    screen.blit(snake_head,position[-1])
 
 
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])