save project

snake.py

@@ -33,3 +33,12 @@ while True:
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
+
+if setheading =="right":
+    x+=30
+elif setheading =="left":
+    x-=30
+elif setheading == "up":
+    y-=30
+else :
+    y+=30
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