Java实现两人五子棋游戏(四) 落子动作的实现

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;  } } 

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.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.Color; import javax.swing.JPanel;   public class DrawChessBoard extends JPanel implements MouseListener{  final static int BLACK=0;  final static int WHITE=1;  public int chessColor = BLACK;  int chessman_width=30;   public Image boardImg;  final private int ROWS = 19;  Chessman[][] chessStatus=new Chessman[ROWS+1][ROWS+1];   public DrawChessBoard() {  boardImg = Toolkit.getDefaultToolkit().getImage("res/drawable/chessboard2.png");  if(boardImg == null)   System.err.println("png do not exist");    addMouseListener(this);  }  @Override  protected void paintComponent(Graphics g) {  // TODO Auto-generated method stub  System.out.println("DRAW!!");  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;    int span_x=imgWidth/ROWS;  int span_y=imgHeight/ROWS;    g.drawImage(boardImg, x, y, null);    //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+1;i++)  {   for(int j=0;j<ROWS+1;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;    float radius_b=40;    float radius_w=80;    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);   }   }  }  }   @Override  //当用户按下鼠标按钮时发生  public void mousePressed(MouseEvent e) {  int point_x=e.getX();  int point_y=e.getY();    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;    int span_x=imgWidth/ROWS;  int span_y=imgHeight/ROWS;    System.out.println("press");  int status_x = 0;  int status_y = 0;  if(point_x>=x && point_x<=x+imgWidth && point_y>=y && point_y <= y+imgHeight)  {   System.out.println("合法");   for(int i=0;i<ROWS+1;i++)   {   if(point_x>=x-chessman_width/2+1+i*span_x)   {    if(point_x<=x+chessman_width/2-1+i*span_x)//如果是width/2会在中间点出现两个匹配值    {    System.out.println("point x "+i+" "+point_x+" "+(x-chessman_width/2+i*span_x)+" "+(x+chessman_width/2+i*span_x));    status_x = i;    }   }   }   for(int i=0;i<ROWS+1;i++)   {   if(point_y>=y-chessman_width/2+1+i*span_y)   {    if(point_y <= y+chessman_width/2-1+i*span_y)    {    System.out.println("point y "+i+" "+point_y+" "+(y-chessman_width/2+1+i*span_y)+" "+(y+chessman_width/2-1+i*span_y));    status_y = i;    }   }   }   Chessman chessman = new Chessman(BLACK, true);   chessStatus[status_x][status_y]=chessman;   repaint();  }  System.out.println(status_x+" "+status_y+" "+chessStatus[status_x][status_y].getColor()+" "+chessStatus[status_x][status_y].getPlaced());  }  @Override  //当用户按下并松开鼠标按钮时发生  public void mouseClicked(MouseEvent e) {  // TODO Auto-generated method stub  }  @Override  public void mouseReleased(MouseEvent e) {  // TODO Auto-generated method stub    }  @Override  public void mouseEntered(MouseEvent e) {  // TODO Auto-generated method stub    }  @Override  public void mouseExited(MouseEvent e) {  // TODO Auto-generated method stub  } } 

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  setTitle("单机五子棋");    Container containerPane =getContentPane();  containerPane.add(drawChessBoard);  }  public static void main(String[] args) {  Main m = new Main();  m.setSize(800, 800);  m.setVisible(true);  } }