save project

snake.py

@@ -14,6 +14,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y = 240, 120#设置头坐标
+setheading = "right"
 #设置贪吃蛇坐标
 positine = [(210, 120),(180, 120),(180, 90),(x,y)]
 while True:
@@ -21,6 +22,15 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+    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"
     # 移动
         x+=30
         positine.append((x,y))
@@ -37,4 +47,4 @@ while True:
     # 刷新画面
     pygame.display.update()
     # 设置帧数
-    FPSCLOCK = pygame.time.Clock();FPSCLOCK.tick(4)
\ No newline at end of file
+    FPSCLOCK = pygame.time.Clock();FPSCLOCK.tick(4)tick(3)
\ No newline at end of file