save project

snake.py

@@ -12,28 +12,58 @@ 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 
 
 x=240
 x=240
 y=120
 y=120
 p=[(180,90),(180,120),(210,120),(x,y)]
 p=[(180,90),(180,120),(210,120),(x,y)]
+
+cx="right"
+zx=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()
-    x+=30
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and cx !="left":
+               cx="right"
+               zx=right 
+            if event.key==locals.K_LEFT and cx !="right":
+               cx="left"
+               zx=left  
+            if event.key==locals.K_UP and cx !="down":
+               cx="up"
+               zx=up   
+            if event.key==locals.K_DOWN and cx !="up":
+               cx="down"
+               zx=down
+    if cx=="right":                  
+        x+=30
+    if cx=="left":
+        x-=30
+    if cx=="up":
+        y-=30
+    if cx=="down":
+        y+=30        
     p.append((x,y))
     p.append((x,y))
     p.pop(0)        
     p.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,p[-1]) 
+    screen.blit(zx,p[-1]) 
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(p)-1):
+        screen.blit(body,p[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()
-    f.tick(3)
+    f.tick(50)
\ No newline at end of file