save project

snake.py

@@ -12,15 +12,43 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.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
+apple_x=360
+apple_y=300
+setheading='right' 
+snake_head=right
 sb=[(180,90),(180,120),(210,120),(x,y)]
 sb=[(180,90),(180,120),(210,120),(x,y)]
 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
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x+=30 
+        if event.type == locals.KEYDOWN:
+            if event.type == 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                                                                                            
     sb.append((x,y))
     sb.append((x,y))
     sb.pop(0)   
     sb.pop(0)   
     # 将背景图画上去
     # 将背景图画上去
@@ -38,11 +66,9 @@ while True:
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     Fb.tick(3)
     Fb.tick(3)
-
-    
-
-
-
+if x==apple_x and y==apple_y:
+    apple_x=random.randint(0,660)
+    apple_y=random.randint(0,480)