save project

snake.py

@@ -14,7 +14,8 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
 position=[(180,90),(180,120),(210,120)]
-
+setheading="right"
+snack_head=right
 
 
 
@@ -23,6 +24,32 @@ 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"
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif settheading=="up":
+        y-=30
+    else :
+        y+=0
+
+
+
+
+
+               
+            
     x+=30
     position.append((x,y))
     position.pop(0)
@@ -42,4 +69,5 @@ while True:
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
+
     
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