save project

snake.py

@@ -6,27 +6,54 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+JSQ=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
+x,y=240,120
+LB=[(180, 90),(180, 120),(210, 120),(x,y)]
+setheading = "right"
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 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))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
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+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != "left":
+                setheading = 'right'
+            if event.key == locals.K_LEFT and setheading != "right":
+                setheading = 'left'
+            if event.key == locals.K_UP and setheading != "down":
+                setheading = 'up'
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = 'down'
+
+        if setheading=="right":
+            x+=30
+        elif setheading=="left":
+            x-=30
+        elif setheading=="up":
+            y-=30
+        else:
+            y+=30
+        LB.append((x,y))
+        LB.pop(0)        
+        # 将背景图画上去
+        screen.blit(background, (0, 0))
+        # 将贪吃蛇画上去
+        screen.blit(right, LB[-1])
+        # 将贪吃蛇的身体画上去
+        for i in range(len(LB)-1):
+            screen.blit(body,LB[i])
+
+
+        #screen.blit(body, LB[-2])
+        #screen.blit(body, (180, 120))
+        #screen.blit(body, (180, 90))
+        # 将果实画上去
+        screen.blit(food, (360, 300))
+        # 刷新画面
+        pygame.display.update()
+        JSQ.tick(3)
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