Javafx实现国际象棋游戏

Javafx实现国际象棋游戏

本文实例为大家分享了javafx实现国际象棋游戏的具体代码，供大家参考，具体内容如下

基本规则

棋子马设计“日”的移动方式

兵设计只能向前直走，每次只能走一格。但走第一步时，可以走一格或两格的移动方式

请为后设计横、直、斜都可以走，步数不受限制，但不能越子的移动方式。

车只能横向或者竖向行走

国王是在以自己为中心的九宫格内行走

骑士只能走对角线

项目目录结构

UML类图关系

以骑士为例

实现基本功能

吃子

不能越子

游戏结束提示

基本移动策略

背景音乐

效果

控制器

PressedAction

package com.Exercise3;

import com.Exercise3.Controller.PressedAction;

import com.Exercise3.Controller.ReleaseAction;

import com.Exercise3.Controller.ResetAction;

import com.Exercise3.view.ChessBoard;

import com.Exercise3.view.ChessPane;

import javafx.application.Application;

import javafx.geometry.Pos;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.layout.BorderPane;

import javafx.scene.layout.HBox;

import javafx.scene.media.Media;

import javafx.scene.media.MediaPlayer;

import javafx.stage.Stage;

public class Test extends Application {

public static void main(String[] args) {

launch(args);

}

@Override

public void start(Stage primaryStage) {

String MEDIA_URL = "file:/E:/IdeaProjects/Experiment/src/com/Exercise3/music/BackgroundMusic.mp3";

ChessBoard chessBoard = ChessBoard.getInstance(100,40,40);

//添加媒体资源

Media media = new Media(MEDIA_URL);

MediaPlayer mediaPlayer = new MediaPlayer(media);

mediaPlayer.setAutoPlay(true);

mediaPlayer.setCycleCount(MediaPlayer.INDEFINITE);

mediaPlayer.play();

ChessPane pane = new ChessPane(chessBoard);

pane.setOnMousePressed(new PressedAction(pane,mediaPlayer));

pane.setOnMouseReleased(new ReleaseAction(pane));

BorderPane borderPane = new BorderPane();

borderPane.setCenter(pane);

HBox hBox = new HBox();

hBox.setAlignment(Pos.TOP_CENTER);

Button button = new Button("悔棋");

button.setOnAction(new ResetAction(pane));

hBox.getChildren().add(button);

borderPane.setBottom(hBox);

Scene scene = new Scene(borderPane,900,900);

primaryStage.setScene(scene);

primaryStage.setTitle("国际象棋");

primaryStage.show();

}

}

ReleasedAction

package com.Exercise3.Controller;

import com.Exercise3.entity.Piece.ChessPiece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.view.ChessBoard;

import com.Exercise3.view.ChessPane;

import javafx.event.EventHandler;

import javafx.scene.control.Alert;

import javafx.scene.input.MouseEvent;

import java.util.Stack;

public class ReleaseAction implements EventHandler {

private ChessPane chessPane;

static Stack stack = new Stack<>();

public ReleaseAction(ChessPane chessPane) {

this.chessPane = chessPane;

}

@Override

public void handle(MouseEvent e) {

chessPane.drawBoard();

ChessBoard chessBoard = chessPane.getChessBoard();

int x = (int) ((e.getX() - chessBoard.getStartX()) / (chessBoard.getCellLength()));

int y = (int) ((e.getY() - chessBoard.getStartY()) / (chessBoard.getCellLength()));

for (ChessPiece o : chessPane.getChessPieces()) {

if (o.isSelected()) {

System.out.println(o.isSelected()+" "+o.getRow()+" "+o.getCol());

if (chessBoard.getCurrSide()==o.getSide()){

if(o.getMoveStrategy().move(x, y,chessPane.getChessPieces())){

o.setSelected(false);

if(judgeGame(x,y)){

printTip(o.getSide());

}

eatPiece(x,y);

stack.push((ChessPiece) o.clone());

o.setCol(x);

o.setRow(y);

chessBoard.changeSide();

}

}

break;

}

}

chessPane.drawPiece();

}

public void eatPiece(int x,int y){

chessPane.getChessPieces().removeIf(e->{

if(e.getCol()==x&&e.getRow()==y){

stack.push(e);

return true;

}

return false;

});

}

public boolean judgeGame(int x,int y){

for(ChessPiece e:chessPane.getChessPieces()){

if(e.getCol()==x&&e.getRow()==y&&(

e.getType()== PieceType.KINGBLACK||e.getType()==PieceType.KINGWHITE))

return true;

}

return false;

}

public void printTip(char side){

Alert alert = new Alert(Alert.AlertType.INFORMATION);

alert.setContentText((side=='B'?"黑":"白")+"方取得胜利");

alert.setTitle("游戏结束");

alert.showAndWait();

}

}

ResetAction

package com.Exercise3.Controller;

import com.Exercise3.entity.Piece.ChessPiece;

import com.Exercise3.view.ChessPane;

import javafx.event.ActionEvent;

import javafx.event.EventHandler;

import java.util.Stack;

public class ResetAction implements EventHandler{

private ChessPane chessPane;

public ResetAction(ChessPane chessPane) {

this.chessPane = chessPane;

}

@Override

public void handle(ActionEvent e) {

Stack stack = ReleaseAction.stack;

if(!stack.empty()){

chessPane.getChessPieces().removeIf(o->o.equals(stack.peek()));//去除原来的棋子

chessPane.getChessPieces().add(stack.pop());//将以前压入堆栈的棋子重新加入

chessPane.drawBoard();

chessPane.drawPiece();

}

}

}

实体

棋子

ChessPiece

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.CarStrategy;

public class Car extends ChessPiece {

public Car(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new CarStrategy(getCol(),getRow()));

}

}

Car

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.CarStrategy;

public class Car extends ChessPiece {

public Car(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new CarStrategy(getCol(),getRow()));

}

}

Horse

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.HorseStategy;

public class Horse extends ChessPiece{

public Horse(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new HorseStategy(getCol(),getRow()));

}

}

King

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.KingStrategy;

public class King extends ChessPiece {

public King(PieceType http://type, int row, int col) {

super(type, row, col);

setMoveStrategy(new KingStrategy(getCol(),getRow()));

}

}

Knight

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.KnightStrategy;

public class Knight extends ChessPiece {

public Knight(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new KnightStrategy(getCol(),getRow()));

}

}

Queen

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.QueenStrategy;

public class Queen extends ChessPiece {

public Queen(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new QueenStrategy(getCol(),getRow()));

}

}

Soldier

package com.Exercise3.entity.Piece;

import com.Exercise3.entity.PieceType;

import com.Exercise3.entity.Strategy.SoldierStategy;

public class Soldier extends ChessPiece{

public Soldier(PieceType type, int row, int col) {

super(type, row, col);

setMoveStrategy(new SoldierStategy(getCol(),getRow(),getSide()));

}

}

移动策略

MoveStategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.Set;

public interface MoveStrategy {

boolean move(int x, int y, Set chessPieces);

}

CarStrategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Set;

public class CarStrategy implements MoveStrategy {

private int curX;

private int curY;

public CarStrategy() {

}

public CarStrategy(int curX, int curY) {

this.curX = curX;

this.curY = curY;

}

public boolean move(int x, int y, Set chessPieces) {

if(x!=curX&&y!=curY)

return false;

if(isOverPiece(Math.min(curX,x),Math.min(curY,y),

Math.max(curX,x),Math.max(curY,y),chessPieces))

return false;

curX = x;

curY = y;

return true;

}

public static boolean isOverPiece(int stX,int stY,int edX,int edY,Set chessPieces){

for(ChessPiece e:chessPieces)

if((e.getRow()>stY&&e.getRow()

(e.getCol()>stX&&e.getCol()

return true;

return false;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

HorseStrategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Set;

public class HorseStategy implements MoveStrategy{

private int curX;

private int curY;

public HorseStategy(int curX, int curY) {

this.curX = curX;

this.curY = curY;

}

@Override

public boolean move(int x, int y, Set chessPieces) {

if((Math.abs(curX-x)==1&&Math.abs(curY-y)==2)||

(Math.abs(curX-x)==2&&Math.abs(curY-y)==1)){

curX = x;

curY = y;

return true;

}

return false;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

KingStrategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Set;

public class KingStrategy implements MoveStrategy {

private int curX;

private int curY;

public KingStrategy(int curX, int cuY) {

this.curX = curX;

this.curY = cuY;

}

@Override

public boolean move(int x, int y, Set chessPieces) {

if(Math.abs(curX-x)<=1&&Math.abs(curY-y)<=1){

curX = x;

curY = y;

return true;

}

return false;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

KnightStrage

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Map;

import java.util.Set;

public class KnightStrategy implements MoveStrategy {

private int curX;

private int curY;

public KnightStrategy(int curX, int curY) {

this.curX = curX;

this.curY = curY;

}

@Override

public boolean move(int x, int y, Set chessPieces) {

if(Math.abs(x-curX)==Math.abs(y-curY)){

if(isOverPiece(Math.min(curX,x),Math.min(curY,y),

Math.max(curX,x),Math.max(curY,y),chessPieces))

return false;

curX=x;

curY=y;

return true;

}

return false;

}

public static boolean isOverPiece(int stX,int stY,int edX,int edY,Set chessPieces){

for(ChessPiece e:chessPieces){

if(e.getCol()-stX==edX-e.getCol()&&edY-e.getRow()==e.getRow()-stY){

System.out.println(e.isSelected()+" "+e.getRow()+" "+e.getCol());

return true;

}

}

return false;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

QueeStrategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Set;

public class QueenStrategy implements MoveStrategy{

private int curX;

private int curY;

public QueenStrategy(int curX, int curY) {

this.curX = curX;

this.curY = curY;

}

@Override

public boolean move (int x, int y, Set chessPieces) {

if(Math.abs(x-curX)==Math.abs(y-curY)||!(x!=curX&&y!=curY)){

if(isOverPiece(Math.min(curX,x),Math.min(curY,y),

Math.max(curX,x),Math.max(curY,y),chessPieces))

return false;

curX = x;

curY = y;

return true;

}

return false;

}

public boolean isOverPiece (int stX,int stY,int edX,int edY,Set chessPieces) {

for(ChessPiece e:chessPieces){

if(e.getRow()!=stY&&e.getCol()!=stX){

return KnightStrategy.isOverPiece(stX,stY,edX,edY,chessPieces);

}

else{

return CarStrategy.isOverPiece(stX,stY,edX,edY,chessPieces);

}

}

return false;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

SoldierStrategy

package com.Exercise3.entity.Strategy;

import com.Exercise3.entity.Piece.ChessPiece;

import java.util.List;

import java.util.Set;

public class SoldierStategy implements MoveStrategy{

private int curX;

private int curY;

private char side;

private boolean firstMove = true;

public SoldierStategy(int curX, int curY,char side) {

this.curX = curX;

this.curY = curY;

this.side = side;

}

@Override

public boolean move(int x, int y, Set chessPieces) {

//直线移动

if(curY==y){

switch (side){

case 'B': {

if(isFirstMove()&&(x==curX+1||curX+2==x)){

setFirstMove(false);

curY = y;

curX = x;

return true;

}

else if(!isFirstMove()&&curX+1==x){

curY = y;

curX = x;

return true;

}

break;

}

case 'W':{

if(isFirstMove()&&(x==curX-1||x==curX-2)){

setFirstMove(false);

curY = y;

curX = x;

return true;

}

else if(!isFirstMove()&&curX-1==x){

curY = y;

curX = x;

return true;

}

break;

}

}

}

//吃子移动

for(ChessPiece e:chessPieces){

if(Math.abs(e.getRow()-curY)==1){

if(e.getCol()-curX==1&&e.getSide()=='W'||

curX-e.getCol()==1&&e.getSide()=='B'){

curY = y;

curX = x;

return true;

}

}

}

return false;

}

public boolean isFirstMove() {

return firstMove;

}

public void setFirstMove(boolean firstMove) {

this.firstMove = firstMove;

}

public int getCurX() {

return curX;

}

public void setCurX(int curX) {

this.curX = curX;

}

public int getCurY() {

return curY;

}

public void setCurY(int curY) {

this.curY = curY;

}

}

棋子类型

package com.Exercise3.entity;

public enum PieceType {

KINGBLACK("KingBlack","com/Exercise3/img/KingBlack.jpg"),

QUEENBLACK("QueenBlack","com/Exercise3/img/QueenBlack.jpg"),

CARBLACK("CarBlack","com/Exercise3/img/CarBlack.jpg"),

HORSEBLACK("HorseBlack","com/Exercise3/img/HorseBlack.jpg"),

SOLDIERBLACK("SoldierBlack","com/Exercise3/img/SoldierBlack.jpg"),

KNIGHTBLACK("KnightBlack","com/Exercise3/img/KnightBlack.jpg"),

KINGWHITE("KingWhite","com/Exercise3/img/KingWhite.jpg"),

QUEENWHITE("QueenWhite","com/Exercise3/img/QueenWhite.jpg"),

CARWHITE("CarWhite","com/Exercise3/img/CarWhite.jpg"),

HORSEWHITE("HorseWhite","com/Exercise3/img/HorseWhite.jpg"),

SOLDIERWHITE("SoldierWhite",http://"com/Exercise3/img/SoldierWhite.jpg"),

KNIGHTWHITE("KnightWhite","com/Exercise3/img/KnightWhite.jpg");

private String desc;

private PieceType(String desc,String url ){

this.desc = desc;

this.url = url;

}

private String url;

public String getDesc(){

return desc;

}

public String getUrl() {

return url;

}

}

视图

package com.Exercise3.view;

public class ChessBoard {

static ChessBoard chessBoard = null;

private int row;

private int col;

private double cellLength;

private double startX;

private double startY;

private char currSide;

private ChessBoard(double cellLength, double startX, double startY) {

this.row = 8;

this.col = 8;

this.cellLength = cellLength;

this.startX = startX;

this.startY = startY;

this.currSide = 'B';

}

public static ChessBoard getInstance(double cellLength, double startX, double startY){

if(chessBoard == null)

return new ChessBoard(cellLength,startX,startY);

return chessBoard;

}

public ChessBoard getInstance(){

return chessBoard;

}

public int getCol() {

return col;

}

public int getRow() {

return row;

}

public double getCellLength() {

return cellLength;

}

public void changeSide(){

currSide=(currSide=='B'?'W':'B');

}

public void setCellLength(double cellLength) {

this.cellLength = cellLength;

}

public double getStartX() {

return startX;

}

public void setStartX(double startX) {

this.startX = startX;

}

public double getStartY() {

return startY;

}

public void setStartY(double startY) {

this.startY = startY;

}

public char getCurrSide() {

return currSide;

}

}

package com.Exercise3.view;

import com.Exercise3.entity.Piece.*;

import com.Exercise3.entity.PieceType;

import javafx.scene.canvas.Canvas;

import javafx.scene.canvas.GraphicsContext;

import javafx.scene.image.*;

import javafx.scene.layout.Pane;

import javafx.scene.paint.Color;

import java.util.*;

public class ChessPane extends Pane {

private Set chessPieces;

private ChessBoard chessBoard;

private Canvas canvas;

private GraphicsContext gc;

public ChessPane(ChessBoard chessBoard) {

this.chessBoard = chessBoard;

setChessPiece();

canvas = new Canvas(900,900);

gc = canvas.getGraphicsContext2D();

draw();

}

public void draw(){

drawBoard();

drawPiece();

getChildren().add(canvas);

}

public void drawBoard(){

gc.clearRect(0,0,900,900);

double x = chessBoard.getStartX();

double y = chessBoard.getStartY();

double cell = chessBoard.getCellLength();

boolean flag = false;

for(int i=0;i

flag = !flag;

for(int j=0;j

gc.setFill(flag? Color.valueOf("#EDEDED"):Color.valueOf("CDC5BF"));

gc.fillRect(x+j*cell,y+i*cell,cell,cell);

flag = !flag;

}

}

gc.setStroke(Color.GRAY);

gc.strokeRect(x,y,cell*chessBoard.getCol(),cell*chessBoard.getRow());

}

public void drawPiece(){

double cell = chessBoard.getCellLength();

chessPieces.forEach( e->{

if(e.isSelected()){

gc.setFill(Color.valueOf("#6495ED"));

gc.fillRect(chessBoard.getStartX()+e.getCol()*cell,

chessBoard.getStartY()+e.getRow()*cell,

cell,cell);

}

Image image = new Image(e.getType().getUrl());

gc.drawImage(image,

chessBoard.getStartX()+10 + e.getCol() * cell,

chessBoard.getStartY()+10 + e.getRow() * cell,

cell-20, cell-20);

});

}

//加入棋子

public void setChessPiece() {

chessPieces = new HashSet<>();

chessPieces.add(new Car(PieceType.CARBLACK,0,0));

chessPieces.add(new Horse(PieceType.HORSEBLACK,1,0));

chessPieces.add(new Knight(PieceType.KNIGHTBLACK,2,0));

chessPieces.add(new King(PieceType.KINGBLACK,3,0));

chessPieces.add(new Queen(PieceType.QUEENBLACK,4,0));

chessPieces.add(new Knight(PieceType.KNIGHTBLACK,5,0));

chessPieces.add(new Horse(PieceType.HORSEBLACK,6,0));

chessPieces.add(new Car(PieceType.CARBLACK,7,0));

for(int i=0;i<8;i++){

chessPieces.add(new Soldier(PieceType.SOLDIERBLACK,i,1));

}

chessPieces.add(new Car(PieceType.CARWHITE,0,7));

chessPieces.add(new Horse(PieceType.HORSEWHITE,1,7));

chessPieces.add(new Knight(PieceType.KNIGHTWHITE,2,7));

chessPieces.add(new King(PieceType.KINGWHITE,3,7));

chessPieces.add(new Queen(PieceType.QUEENWHITE,4,7));

chessPieces.add(new Knight(PieceType.KNIGHTWHITE,5,7));

chessPieces.add(new Horse(PieceType.HORSEWHITE,6,7));

chessPieces.add(new Car(PieceType.CARWHITE,7,7));

for(int i=0;i<8;i++){

chessPieces.add(new Soldier(PieceType.SOLDIERWHITE,i,6));

}

}

public ChessBoard getChessBoard() {

return chessBoard;

}

public void setChessBoard(ChessBoard chessBoard) {

this.chessBoard = chessBoard;

}

public Set getChessPieces() {

return chessPieces;

}

public void setChessPieces(Set chessPieces) {

this.chessPieces = chessPieces;

}

public Canvas getCanvas() {

return canvas;

}

public void setCanvas(Canvas canvas) {

this.canvas = canvas;

}

public GraphicsContext getGc() {

return gc;

}

public void setGc(GraphicsContext gc) {

this.gc = gc;

}

}

测试

package com.Exercise3;

import com.Exercise3.Controller.PressedAction;

import com.Exercise3.Controller.ReleaseAction;

import com.Exercise3.Controller.ResetAction;

import com.Exercise3.view.ChessBoard;

import com.Exercise3.view.ChessPane;

import javafx.application.Application;

import javafx.geometry.Pos;

import javafx.scene.Scene;

import javafx.scene.control.Button;

import javafx.scene.layout.BorderPane;

import javafx.scene.layout.HBox;

import javafx.scene.media.Media;

import javafx.scene.media.MediaPlayer;

import javafx.stage.Stage;

public class Test extends Application {

public static void main(String[] args) {

launch(args);

}

@Override

public void start(Stage primaryStage) {

String MEDIA_URL = "file:/E:/IdeaProjects/Experiment/src/com/Exercise3/music/BackgroundMusic.mp3";

ChessBoard chessBoard = ChessBoard.getInstance(100,40,40);

//添加媒体资源

Media media = new Media(MEDIA_URL);

MediaPlayer mediaPlayer = new MediaPlayer(media);

mediaPlayer.setAutoPlay(true);

mediaPlayer.setCycleCount(MediaPlayer.INDEFINITE);

mediaPlayer.play();

ChessPane pane = new ChessPane(chessBoard);

pane.setOnMousePressed(new PressedAction(pane,mediaPlayer));

pane.setOnMouseReleased(new ReleaseAction(pane));

BorderPane borderPane = new BorderPane();

borderPane.setCenter(pane);

HBox hBox = new HBox();

hBox.setAlignment(Pos.TOP_CENTER);

Button button = new Button("悔棋");

button.setOnAction(new ResetAction(pane));

hBox.getChildren().add(button);

borderPane.setBottom(hBox);

Scene scene = new Scene(borderPane,900,900);

primaryStage.setScene(scene);

primaryStage.setTitle("国际象棋");

primaryStage.show();

}

}

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