最近看到了一些五子棋,扫雷的代码讲解的文章,我也就写了个手机 的象棋游戏 ,写的不是太全面,但还是能实现基本功能,共享出来供大家交流交流。
先介绍一下我的大体思路吧,我采用canvas让手机自己画出棋盘和棋子,而不是采用调用图片,虽然麻烦,但能锻炼自己的编程 能力还能让算法简单,同时还能节省空间。具体的细节在代码中在说吧。首先要有一个主程序Game,这里比较简单,大家一看就能明白,我就不多说了.
import Java x.microedition.lcdui.Display; import javax.microedition.midlet.MIDlet; public class Game extends MIDlet { GameCanvas game;//定义游戏界面的Canvas类GameCanvas的对象gobang public Game() { super(); game=new GameCanvas(this);//生成GameCanvas类的对象game } protected void startApp(){ Display.getDisplay(this).setCurrent(game); //在屏幕上绘出游戏见面game } protected void pauseApp(){ } protected void destroyApp(boolean arg0){ } }
然后就是程序的主题部分了--GameCanvas,这里实现了从画棋盘棋子一直到判断和输出. 我的主题思想是把棋盘初始化为一个2维数组,在有棋子的地方初始化为非0数,其他的都初始化为0; 大家可在代码中看到,在图象输出和棋子移动也都是基于这个数组进行的。
import javax.microedition.lcdui.*; import javax.microedition.midlet.*; public class GameCanvas extends Canvas implements CommandListener { protected Game game; protected int empty;//屏幕右侧留的空间 protected int x;//棋盘输出的坐标 protected int cellWidth;//每个棋格的边长 protected int mapWidth,canvasW;//棋盘的宽度和画布的宽度 protected int a,b,c,d;//这是画炮下面的那几个折线,没什么用 protected int chessR;//棋子的半径 protected int selectedX,selectedY;//选择框在棋盘格局上的x,y位置 protected static int i,j; protected int m,n,p;//记住开始的selectedX,selectedY和point[selectedX][selectedY] protected String q;//记住Word [selectedX][selectedY] protected int guard,guard1,guard2,g,g1;//标记FIRE被按了多少次,g是用来判断走直线时前后的棋子,中间是否有其他棋子的累加器 protected static int g2,isRedWin,isWhiteWin;//g2表示该谁走了,后面那俩顾名思义了 protected Command exitCmd; protected int point[][]={{1,2,3,4,5,6,7,8,9},//初始化INT数组 {0,0,0,0,0,0,0,0,0}, {0,10,0,0,0,0,0,11,0}, {12,0,13,0,14,0,15,0,16}, {0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0}, {28,0,29,0,30,0,31,0,32}, {0,26,0,0,0,0,0,27,0}, {0,0,0,0,0,0,0,0,0}, {17,18,19,20,21,22,23,24,25}}; protected String[][] word; public GameCanvas(){}; public GameCanvas(Game game)//构造函数 { this.game=game; empty=getWidth()/6; x=empty*1/3; canvasW=getWidth()-empty; mapWidth=canvasW-canvasW%8; cellWidth=mapWidth/8; a=cellWidth*2/5; b=cellWidth/8; c=cellWidth-a; d=cellWidth-b; chessR=cellWidth*2/5; selectedX=0; selectedY=0; guard=0; guard1=selectedX;guard2=selectedY; m=guard1;n=guard2; word=new String[10][9]; g2=1; for(i=0;i<10;i++)//初始化字符数组 { for(j=0;j<9;j++) { if(i==0) { if(j==0){word[i][j]="车";} if(j==1){word[i][j]="马";} if(j==2){word[i][j]="相";} if(j==3){word[i][j]="士";} if(j==4){word[i][j]="帅";} if(j==8){word[i][j]="车";} if(j==7){word[i][j]="马";} if(j==6){word[i][j]="相";} if(j==5){word[i][j]="士";} } if(i==1){word[i][j]="空";} if(i==2){ if((j!=1)&(j!=7)){word[i][j]="空";} if(j==1){word[i][j]="炮";} if(j==7){word[i][j]="炮";} } if(i==3){ if(j%2==0){word[i][j]="卒";} if(j%2==1){word[i][j]="空";} } if(i==4){word[i][j]="空";} if(i==5){word[i][j]="空";} if(i==6){ if(j%2==0){word[i][j]="卒";} if(j%2==1){word[i][j]="空";} } if(i==7){ if((j!=1)&(j!=7)){word[i][j]="空";} if(j==1){word[i][j]="炮";} if(j==7){word[i][j]="炮";} } if(i==8){word[i][j]="空";} if(i==9) { if(j==0){word[i][j]="车";} if(j==1){word[i][j]="马";} if(j==2){word[i][j]="相";} if(j==3){word[i][j]="士";} if(j==4){word[i][j]="帅";} if(j==8){word[i][j]="车";} if(j==7){word[i][j]="马";} if(j==6){word[i][j]="相";} if(j==5){word[i][j]="士";} } } } exitCmd = new Command("退出", Command.EXIT, 0); addCommand(exitCmd); setCommandListener(this); } protected void paintMapa(Graphics g)//画河的上半部分的棋盘 { for(int q=0;q<4;q++) { for(int w=0;w<8;w++) { g.setColor(128,128,128); g.drawRect(x+w*cellWidth,x+q*cellWidth,cellWidth,cellWidth); } } g.setColor(128,128,128); g.drawLine(x+3*cellWidth,x,x+5*cellWidth,x+2*cellWidth); g.drawLine(x+5*cellWidth,x,x+3*cellWidth,x+2*cellWidth); //画左上方的炮 g.drawLine(x+d,x+cellWidth+c,x+d,x+cellWidth+d);//左上竖 g.drawLine(x+c,x+cellWidth+d,x+d,x+cellWidth+d);//左上横 g.drawLine(x+d+2*b,x+cellWidth+c,x+d+2*b,x+cellWidth+d);//右上竖 g.drawLine(x+cellWidth+b,x+cellWidth+d,x+cellWidth+a,x+cellWidth+d);//右上横 g.drawLine(x+d,x+2*cellWidth+b,x+d,x+2*cellWidth+a);//左下竖 g.drawLine(x+c,x+cellWidth+d+2*b,x+d,x+cellWidth+d+2*b);//左下横 g.drawLine(x+d+2*b,x+2*cellWidth+b,x+d+2*b,x+2*cellWidth+a);//右下竖 g.drawLine(x+cellWidth+b,x+cellWidth+d+2*b,x+cellWidth+a,x+cellWidth+d+2*b);//右下横 //画右上方的炮
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