commonmovestrategy.java~2~

来自「前段时间帮同学写了个简单动画程序：“贪食蛇的原型”」· JAVA~2~ 代码 · 共 19 行

package com.cxlife.snake;
import java.awt.Component;
public class CommonMoveStrategy implements java.io.Serializable,
                                           com.cxlife.snake.MoveStrategy{
  public void move(final Snake snake,final ISnake pValue,final Component pComponent){
  if (pValue == null)
    return ;
  int last_direction = snake.next_direction;//记录上一个单元的当前运动方向.
  int intLen = snake.getLen();
  SnakeUnit su = null;
  for(int i=0; i<intLen; i++){
    su = (SnakeUnit)snake.unit_list.get(i);
    su.setNext_direction(last_direction);
    last_direction = su.curr_direction;//记录运动前的当前运动方向.
    su.move(pValue,pComponent);//开始移动，注意：以后后会改变移动单元的当前运动方向.
  }
}