save project

snake.py

@@ -10,6 +10,9 @@ screen = pygame.display.set_mode((660, 480))
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.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')
 
 
@@ -17,27 +20,32 @@ x,y=240,120
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
 setheading="right"
 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
             # 接收到退出事件后退出程序
             exit()
             exit()
         if event.type==locals.KEYDOWN:
         if event.type==locals.KEYDOWN:
-            if event.key==locals.K_RIGHT and setheading !="left":
+            if event.key==locals.K_RIGHT and setheading !='left':
                 setheading='right'
                 setheading='right'
-            if event.key==locals.K_LEFT and setheading !="right":
+                snake_head=right
+            if event.key==locals.K_LEFT and setheading !='right':
                 setheading='left'
                 setheading='left'
-            if event.key==locals.K_UP and setheading !="down":
+                snake_head=left
+            if event.key==locals.K_UP and setheading !='down':
                 setheading='up'
                 setheading='up'
-            if event.key==locals.K_DOWN and setheading !="up":
+                snake_head=up
+            if event.key==locals.K_DOWN and setheading !='up':
                 setheading='down'
                 setheading='down'
+                snake_head=down
     if setheading=="right":
     if setheading=="right":
         x+=30
         x+=30
     elif setheading=="left":
     elif setheading=="left":
         x-=30
         x-=30
     elif setheading=="up":
     elif setheading=="up":
         y-=30
         y-=30
-    else setheading=="down":
+    elif setheading=="down":
         y+=30
         y+=30
 
 
     position.append((x, y))
     position.append((x, y))
@@ -45,17 +53,15 @@ while True:
     # 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, position[-1])
+    screen.blit(snake_head, position[-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(position)-1):
     for i in range(len(position)-1):
         screen.blit(body,position[i])
         screen.blit(body,position[i])
 
 
 
 
-    #screen.blit(body, (210, 120))
-    #screen.blit(body, (180, 120))
-    #screen.blit(body, (180, 90))
+    
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(1)
+    FPSCLOCK.tick(3)
\ No newline at end of file