save project

snake.py

@@ -10,45 +10,20 @@ screen=pygame.display.set_mode((660,480))
 # 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')
 FPSCLOCK=pygame.time.Clock()
-setheading='right'
-snake_head=right
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:   
             exit()
-        elif event.type == locals.KEYDOWN:  
-            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 event.key == locals.K_RIGHT and setheading!='left':
-                setheading='right'
-                snake_head=right
-    if setheading == 'right':
-        x+=30
-    elif setheading == 'left':
-        x-=30
-    elif setheading == 'up':
-        y-=30
-    else:
-        y+=30
+    x+=30
     screen.blit(background,(0,0))
     position.append((x,y))
     position.pop(0)
-    screen.blit(snake_head,position[3])
+    screen.blit(right,position[3])
     for i in range(len(position)-1):
         screen.blit(body,position[i])
     screen.blit(food,(360,300))