save project

snake.py

@@ -6,27 +6,73 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+FPSCLOCK=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')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+
+
+
+
+
+
+
+
+x,y=180,180
+
+position=[(180,90),(180,120),(180,150),(x,y)]
+
+
+
+setheading="right"
+snake_head=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
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !="right":
+                tsetheading="right"
+                snake_head=right
+            if event.key==locals.K_LEFT and setheading !="left":
+                tsetheading="left"
+                snake_head=left
+            if event.key==locals.K_UP and setheading !="up":
+                tsetheading="up"
+                snake_head=up
+            if event.key==locals.K_DOWN and setheading !="down":
+                tsetheading="down"
+                snake_head=down
+   
+    if setheading=="right":  
+        x+=30
+    elif setheading=="left": 
+        x-=30
+    elif setheading=="up:
+        y-=30
+    elif setheading=="down": 
+        y+=30
+
+
+    
+    position.append((x,y))
+    position.pop(0)
+    # 将背景图画上
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(snake_head, position[-1])
     # 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(position)-1):
+        screen.blit(body,position[i]) 
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    FPSCLOCK.tick(2)
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