save project

snake.py

@@ -46,15 +46,19 @@ while True:
     
 
     if setheading == "right":
+        headX += 30
         # 将贪吃蛇画上去
         screen.blit(right, position[0])
     elif setheading == "left":
+        headX -= 30
         # 将贪吃蛇画上去
         screen.blit(left, position[0])
     elif setheading == "up":
+        headY += 30
         # 将贪吃蛇画上去
         screen.blit(up, position[0])
     elif setheading == "down":
+        headY -= 30
         # 将贪吃蛇画上去
         screen.blit(down, position[0])