selectsprite.java

游戏说明

package com.tianxia.qipai.model.game.gobang;

import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.game.Sprite;

public class SelectSprite extends Sprite {
	private int firX,firY;   //选种框的初始位置
	private int Xvalue,Yvalue;       //当前的横向和纵向位置 以单元格为单位
	private int tilewidth,tileheight;   //指针每次移动的横向和纵向距离
	private int xnum,ynum;    //棋盘的横向和纵向数目
	private int xposition,yposition;   //指针的当前坐标位置
	private boolean selectflag;         //是否可以选中标志
	public SelectSprite(Image arg0, int arg1, int arg2) {
		super(arg0, arg1, arg2);
		// TODO 自动生成构造函数存根
	}

	//初试化指针位置，及每次移动距离
	public void init(int firX,int firY,int tilewidth,int tileheight,int xnum,int ynum){
		this.firX = firX;
		this.firY = firY;
		this.tilewidth = tilewidth;
		this.tileheight = tileheight;
		this.xnum = xnum;
		this.ynum = ynum;
		Xvalue=0;
		Yvalue = 0;
		selectflag = true;
		this.setPosition(firX,firY);
	}
	
	//用户下子
	public void setSelect(){
		if(selectflag){
			selectflag = false;
			//this.nextFrame();
		}
		
	}
	
	//更改选择框状态
	public void setRelase(){
		if(!selectflag){
			selectflag = true;
			//this.nextFrame();
		}
		
	}
	
	public boolean getSelectFlag(){
		return this.selectflag;
	}
	
	
	public int getXvalue(){
		return this.Xvalue;
	}
	
	public int getYvalue(){
		return this.Yvalue;
	}
	
	//根据传人的横向和纵向单元格数更新精灵的位置
	public void setNewPosition(int Xvalue,int Yvalue){
		this.Xvalue = Xvalue;
		this.Yvalue = Yvalue;
		xposition = firX + Xvalue*tilewidth;
		yposition = firY + Yvalue*tileheight;
		this.setPosition(xposition,yposition);
	}
	
	
	public void NextPosition(int point){
		if(selectflag){
			switch(point){
			case 0:    //向上
				 if(Yvalue!=0) //不是最顶层
					 Yvalue = Yvalue - 1;
					break;
			case 1:		//向下
				 if(Yvalue!=14)   //不是最下方
					 Yvalue = Yvalue + 1;
					 break;
			case 2:		//向左
				if(Xvalue!=0)   //不是最左侧
					Xvalue = Xvalue - 1;
					break;
			case 3:		//向右
				if(Xvalue!=14)   //不是最右侧
					Xvalue = Xvalue + 1;
					break;
			default:
				break;
		}
		xposition = firX + Xvalue*tilewidth;
		yposition = firY + Yvalue*tileheight;
		this.setPosition(xposition,yposition);
	  }
    }

}