上一篇文章讲的是java实现两人五子棋游戏(二) 画出棋盘，已经画好棋盘，接下来要实现控制功能，主要功能：
1）选择棋子
2）画棋子
3）判断胜负
4）交换行棋方
先实现画棋子part
-------------画棋子代码示例如下--------------
首先，定义一个棋子类，这个类有两个属性，棋子颜色（0-表示黑色，1-表示白色），是否落子（我计划用一个二维数组才存储棋子的落子信息）
chessman.java
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package xchen.test.simplegobang;
public class chessman {
private int color;//1-white，0-black
private boolean placed = false;
public chessman(int color,boolean placed){
this.color=color;
this.placed=placed;
}
public boolean getplaced() {
return placed;
}
public void setplaced(boolean placed) {
this.placed = placed;
}
public int getcolor() {
return color;
}
public void setcolor(int color) {
this.color = color;
}
}
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接着我们上一部分的画好棋盘的代码部分，新增画棋子的代码，我用两个棋子（一白一黑，分别位于棋盘的【8，8】，【7，7】）来检验画棋子的代码
drawchessboard.java
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package xchen.test.simplegobang;
import java.awt.graphics;
import java.awt.graphics2d;
import java.awt.radialgradientpaint;
import java.awt.image;
import java.awt.toolkit;
import java.awt.color;
import javax.swing.jpanel;
public class drawchessboard extends jpanel{
final static int black=0;
final static int white=1;
public int chesscolor = black;
public image boardimg;
final private int rows = 19;
chessman[][] chessstatus=new chessman[rows][rows];
public drawchessboard() {
boardimg = toolkit.getdefaulttoolkit().getimage("res/drawable/chessboard2.png");
if(boardimg == null)
system.err.println("png do not exist");
//test draw chessman part simple
chessman chessman=new chessman(0, true);
chessstatus[7][7]=chessman;
chessman chessman2 = new chessman(1, true);
chessstatus[8][8]=chessman2;
//test draw chessman part simple
}
@override
protected void paintcomponent(graphics g) {
// todo auto-generated method stub
super.paintcomponent(g);
int imgwidth = boardimg.getheight(this);
int imgheight = boardimg.getwidth(this);
int fwidth = getwidth();
int fheight= getheight();
int x=(fwidth-imgwidth)/2;
int y=(fheight-imgheight)/2;
g.drawimage(boardimg, x, y, null);
int margin = x;
int span_x=imgwidth/rows;
int span_y=imgheight/rows;
//画横线
for(int i=0;i<rows;i++)
{
g.drawline(x, y+i*span_y, fwidth-x,y+i*span_y);
}
//画竖线
for(int i=0;i<rows;i++)
{
g.drawline(x+i*span_x, y, x+i*span_x,fheight-y);
}
//画棋子
for(int i=0;i<rows;i++)
{
for(int j=0;j<rows;j++)
{
if(chessstatus[i][j]!=null&&chessstatus[i][j].getplaced()==true)
{
system.out.println("draw chessman "+i+" "+j);
int pos_x=x+i*span_x;
int pos_y=y+j*span_y;
int chessman_width=20;
float radius_b=20;
float radius_w=50;
float[] fractions = new float[]{0f,1f};
java.awt.color[] colors_b = new java.awt.color[]{color.black,color.white};
color[] colors_w = new color[]{color.white,color.black};
radialgradientpaint paint;
if(chessstatus[i][j].getcolor()==1)
{
system.out.println("draw white chess");
paint = new radialgradientpaint(pos_x-chessman_width/2f, pos_y-chessman_width/2f, radius_w*2, fractions, colors_w);
}else{
system.out.println("draw black chess");
paint = new radialgradientpaint(pos_x-chessman_width/2f, pos_y-chessman_width/2f, radius_b*2, fractions, colors_b);
}
((graphics2d)g).setpaint(paint);
((graphics2d)g).filloval(pos_x-chessman_width/2,pos_y-chessman_width/2,chessman_width,chessman_width);
}
}
}
}
}
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主模块代码不变
main.java
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package xchen.test.simplegobang;
import java.awt.container;
import javax.swing.jframe;
import xchen.test.simplegobang.drawchessboard;
public class main extends jframe{
private drawchessboard drawchessboard;
public main() {
drawchessboard = new drawchessboard();
//frame标题
container containerpane =getcontentpane();
containerpane.add(drawchessboard);
}
public static void main(string[] args) {
main m = new main();
m.setsize(800, 800);
m.setvisible(true);
}
}
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运行一下！
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/v_xchen_v/article/details/53431670