save project

snake.py

@@ -8,9 +8,8 @@ FC=pygame.time.Clock()
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 x,y=240,120
 x,y=240,120
 # 背景
 # 背景
-setheading='right'
-snake_head=right
-L=[(180,90),(180,120),(180,90),(x,y)]
+
+
 background = pygame.image.load('bg.png')
 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')
@@ -19,6 +18,9 @@ right = pygame.image.load('right.png')
 left = pygame.image.load('left.png')
 left = pygame.image.load('left.png')
 down = pygame.image.load('down.png')
 down = pygame.image.load('down.png')
 up = pygame.image.load('up.png')
 up = pygame.image.load('up.png')
+L=[(180,90),(180,120),(180,90),(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:
@@ -31,19 +33,27 @@ while True:
             if event.key==locals.K_LEFT and setheading!='right':
             if event.key==locals.K_LEFT and setheading!='right':
                 setheading='left'
                 setheading='left'
                 snake_head=left
                 snake_head=left
-            if event.key=locals.K_UP and setheading!='down':
+            if event.key==locals.K_UP and setheading!='down':
                 setheading='up'
                 setheading='up'
                 snake_head=up
                 snake_head=up
-            if event.key=locals.K_DOWN and setheading!='up':
+            if event.key==locals.K_DOWN and setheading!='up':
                 setheading='down'
                 setheading='down'
                 snake_head=down
                 snake_head=down
         x+=30
         x+=30
+        if setheading=='right':
+            x+=30
+        elif setheading=='left':
+            x-=30
+        elif setheading=='up':
+            y-=30
+        else:
+            y+=30   
     L.append((x,y))
     L.append((x,y))
     L.pop(0)
     L.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     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, (x, y))
+    screen.blit(snake_head, L[-1])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(L)-1):
     for i in range(len(L)-1):
         screen.blit(body,L[i])
         screen.blit(body,L[i])