save project

snake.py

@@ -6,27 +6,53 @@ 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=240,120
+position = [(180,90), (100,120), (210,120), (x,y)]
+setheading="right"
+sanke_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
+   # 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 != "left":
+                setheading = "right"
+                sanke_head = right
+            if event.key == locals.K_LEFT and setheading != "right":
+                setheading = "left"
+                sanke_head = left
+            if event.key == locals.K_UP and setheading != "down":
+                setheading = "up"
+                sanke_head = up
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = "down"
+                sanke_head = down
+    if setheading == "right":
+        x+=30
+    if setheading == "right":
+        x-=30      
+    
+    position.append((x,y))
+    position.pop(0)# 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(right, 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()
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file