direction.java

前段时间帮同学写了个简单动画程序：“贪食蛇的原型”

package com.cxlife.snake;
//方快移动方向常量
public interface Direction {
  public static final int NORTH = 0;
  public static final int SOUTH = 1;
  public static final int WEAST = 2;
  public static final int EAST  = 3;
}