save project

snake.py

@@ -13,6 +13,18 @@ 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')
+
+
+background = pygame.image.load('bg.png')
+right = pygame.image.load('bg.png')
+food = pygame.image.load('bg.png')
+body  = pygame.image.load('bg.png')
+left = pygame.image.load('bg.png')
+up = pygame.image.load('bg.png')
+down = pygame.image.load('bg.png')
+snake_head = right
+
+
 x,y=(240,120)
 x,y=(240,120)
 possiton = [(180,90),(180,120),(210,120),(x,y)]
 possiton = [(180,90),(180,120),(210,120),(x,y)]
 
 
@@ -20,15 +32,42 @@ possiton = [(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()
+        if event type ==  locals.KEYDOWM:
+            if event key == locals K_RIGHT and satheading != "left":
+                satheading = 'right'
+                snake_head = right
+            if event key == locals K_LEFT and satheading != "right":
+                satheading = 'left'
+                snake_head = right
+            if event key == locals K_UP and satheading != "down":
+                satheading = 'up'
+                snake_head = right
+            if event key == locals K_DOWN and satheading != "up":
+                satheading = 'down'
+                snake_head = right
+
+
+        if satheading == "right":
+            X += 30
+        elif satheading == "left":
+             X -= 30
+        elif satheading == "":
+             X -= 30
+        elif satheading == "left":
+             X += 30
+
+
+
     X += 30
     X += 30
     possiton.append((x,y))
     possiton.append((x,y))
     possiton.pop(0)
     possiton.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,possiton [-1])
+    screen.blit(snake_head,possiton [-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,(possiton)-1)
     for i in range(len,(possiton)-1)
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
@@ -36,4 +75,4 @@ while True:
     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(3)
+    FPSCLOCK.tick(3)
\ No newline at end of file