Checkers Game problems

okay guys so I'm trying to program a checkers game and I'm having some problems. I have created an SSCCE to show you guys. The graphics arent working right because I had to use internet images and i didnt have time to fit them all together but you should be able to get a general idea of the problems.
some of the problems are:
1 The checks dont turn green when you click them
2 Also when you click the checks, 2 gray circles are supposed to show up where the checker can move but arent
3 the Move() methods in the checker classes arent working correctly
any solutions to these problems are appreciated. thanks.

CheckersGameSSCCE class:

Code:

---

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
public class CheckersGameSSCCE extends Applet implements MouseMotionListener, MouseListener{
        public BlackChecker b [] = new BlackChecker [12];
        public RedChecker r [] = new RedChecker [12];
        public int board[][] = new int [][] {{0,1,0,1,0,1,0,1,},{1,0,1,0,1,0,1,0},
                        {0,1,0,1,0,1,0,1},{0,0,0,0,0,0,0,0},{0,0,0,0,0,0,0,0},{2,0,2,0,2,0,2,0},{0,2,0,2,0,2,0,2},{2,0,2,0,2,0,2,0}};
       
        int xpos;
        int ypos;
        public int xposc;
        public int yposc;
        boolean rCheckerPSelect [] = new boolean [12];
        boolean bCheckerPSelect [] = new boolean [12];
        boolean rCheckerSelect [] = new boolean [12];
        boolean bCheckerSelect [] = new boolean [12];
       
        Color bgColor = Color.black;
       
        Image checkerboard;
        Image redChecker;
        Image redCheckerKing;
        Image blackChecker;
        Image blackCheckerKing;
        Image pselect;
        Image select;
        Image sDot;
        URL base;
        MediaTracker mt;
       
        Graphics bufferGraphics;
        Image offscreen;
       
        public CheckersGameSSCCE(){}
       
        public void init(){
            try {
                            base = getDocumentBase();
                    }
                            catch (Exception e) {}
                           
            mt = new MediaTracker(this);
            checkerboard = getImage(base,"http://www.world-wide-net.com/library/graphics/8x8.gif");
            redChecker = getImage(base,"http://www.ozark.k12.mo.us/jrhi/cooks/redcircle.gif");
            blackChecker = getImage(base,"http://s2.webstarts.com/famousmarketstrategies/uploads/Black_circle.jpg");
            pselect = getImage(base,"http://www.clipartguide.com/_small/0808-0710-2914-4646.jpg");
            select = getImage(base,"http://www.clipartguide.com/_small/0808-0710-2914-4641.jpg");
            sDot = getImage(base,"http://www.visasint.com/images/GreyCircleGif.gif");
           
            mt.addImage(checkerboard,1);
            mt.addImage(redChecker,2);
            mt.addImage(blackChecker,3);
            mt.addImage(pselect,4);
            mt.addImage(select,5);
            mt.addImage(sDot,6);
           
            try {
                mt.waitForAll();
                    }
          catch (InterruptedException  e) {}

            addMouseMotionListener(this);
            addMouseListener(this);
           
            setBackground(bgColor);
           
            offscreen = createImage(600,600);
            bufferGraphics = offscreen.getGraphics();
           
            BlackChecker b1 = new BlackChecker(1,0,75,0);
            BlackChecker b2 = new BlackChecker(3,0,225,0);
            BlackChecker b3 = new BlackChecker(5,0,375,0);
            BlackChecker b4 = new BlackChecker(7,0,525,0);
            BlackChecker b5 = new BlackChecker(0,1,0,75);
            BlackChecker b6 = new BlackChecker(2,1,150,75);
            BlackChecker b7 = new BlackChecker(4,1,300,75);
            BlackChecker b8 = new BlackChecker(6,1,450,75);
            BlackChecker b9 = new BlackChecker(1,2,75,150);
            BlackChecker b10 = new BlackChecker(3,2,225,150);
            BlackChecker b11 = new BlackChecker(5,2,375,150);
            BlackChecker b12 = new BlackChecker(7,2,525,150);
            b[0] = b1;
            b[1] = b2;
            b[2] = b3;
            b[3] = b4;
            b[4] = b5;
            b[5] = b6;
            b[6] = b7;
            b[7] = b8;
            b[8] = b9;
            b[9] = b10;
            b[10] = b11;
            b[11] = b12;
           
           
            RedChecker r1 = new RedChecker(0,5,0,375);
            RedChecker r2 = new RedChecker(2,5,150,375);
            RedChecker r3 = new RedChecker(4,5,300,375);
            RedChecker r4 = new RedChecker(6,5,450,375);
            RedChecker r5 = new RedChecker(1,6,75,450);
            RedChecker r6 = new RedChecker(3,6,225,450);
            RedChecker r7 = new RedChecker(5,6,375,450);
            RedChecker r8 = new RedChecker(7,6,525,450);
            RedChecker r9 = new RedChecker(0,7,0,525);
            RedChecker r10 = new RedChecker(2,7,150,525);
            RedChecker r11 = new RedChecker(4,7,300,525);
            RedChecker r12 = new RedChecker(6,7,450,525);
            r[0] = r1;
            r[1] = r2;
            r[2] = r3;
            r[3] = r4;
            r[4] = r5;
            r[5] = r6;
            r[6] = r7;
            r[7] = r8;
            r[8] = r9;
            r[9] = r10;
            r[10] = r11;
            r[11] = r12;
           

           
        }
       
        public void stop(){
        }
       
        public void paint(Graphics g){
        resize(600,600);
        bufferGraphics.clearRect(0,0,600,600);
       
        bufferGraphics.drawImage(checkerboard, 0, 0, 600, 600, this);
       
        for(int i = 0; i < 12; i++){
            bufferGraphics.drawImage(blackChecker, b[i].blackCheckerBoardX, b[i].blackCheckerBoardY, 75, 75, this);
            bufferGraphics.drawImage(redChecker, r[i].redCheckerBoardX, r[i].redCheckerBoardY, 75, 75, this);
            if(rCheckerPSelect[i]){
                    bufferGraphics.drawImage(pselect, r[i].redCheckerBoardX, r[i].redCheckerBoardY, 75, 75, this);
            }
            if(bCheckerPSelect[i]){
                    bufferGraphics.drawImage(pselect, b[i].blackCheckerBoardX, b[i].blackCheckerBoardY, 75, 75, this);
            }
            if(rCheckerSelect[i]){
                    bufferGraphics.drawImage(select, r[i].redCheckerBoardX, r[i].redCheckerBoardY, 75, 75, this);
                    if(board[r[i].redCheckerX-1][r[i].redCheckerY-1] == 0){
                            bufferGraphics.drawImage(sDot, r[i].redCheckerBoardX-75, r[i].redCheckerBoardY-75, 75, 75, this);
                    }
                    if(board[r[i].redCheckerX-1][r[i].redCheckerY-1] == 1 && board[r[i].redCheckerX-2][r[i].redCheckerY-2] == 0){
                            bufferGraphics.drawImage(sDot, r[i].redCheckerBoardX-150, r[i].redCheckerBoardY-150, 75, 75, this);
                    }
                    if(board[r[i].redCheckerX+1][r[i].redCheckerY-1] == 0){
                            bufferGraphics.drawImage(sDot, r[i].redCheckerBoardX+75, r[i].redCheckerBoardY-75, 75, 75, this);
                    }
                    if(board[r[i].redCheckerX+1][r[i].redCheckerY-1] == 1 && board[r[i].redCheckerX+2][r[i].redCheckerY-2] == 0){
                            bufferGraphics.drawImage(sDot, r[i].redCheckerBoardX+150, r[i].redCheckerBoardY-150, 75, 75, this);
                    }
                    RedChecker.Move(i);
            }
            if(bCheckerSelect[i]){
                    bufferGraphics.drawImage(select, b[i].blackCheckerBoardX, b[i].blackCheckerBoardY, 75, 75, this);
                    if(board[b[i].blackCheckerX-1][b[i].blackCheckerY+1] == 0){
                            bufferGraphics.drawImage(sDot, b[i].blackCheckerBoardX-75, b[i].blackCheckerBoardY+75, 75, 75, this);
                    }
                    if(board[b[i].blackCheckerX-1][b[i].blackCheckerY+1] == 2 && board[b[i].blackCheckerX-2][b[i].blackCheckerY+2] == 0){
                            bufferGraphics.drawImage(sDot, b[i].blackCheckerBoardX-150, b[i].blackCheckerBoardY+150, 75, 75, this);
                    }
                    if(board[b[i].blackCheckerX+1][b[i].blackCheckerY+1] == 0){
                            bufferGraphics.drawImage(sDot, b[i].blackCheckerBoardX+75, b[i].blackCheckerBoardY+75, 75, 75, this);
                    }
                    if(board[b[i].blackCheckerX+1][b[i].blackCheckerY+1] == 2 && board[b[i].blackCheckerX+2][b[i].blackCheckerY+2] == 0){
                            bufferGraphics.drawImage(sDot, b[i].blackCheckerBoardX+150, b[i].blackCheckerBoardY+150, 75, 75, this);
                    }
                    BlackChecker.Move(i);
            }
        }       
        /*bufferGraphics.setColor(Color.red);
        bufferGraphics.drawString("("+xpos+","+ypos+")",xpos,ypos);*/
        g.drawImage(offscreen, 0, 0, this);
    }
       
        public void update(Graphics g){
                paint(g);
        }
   
    public void mouseMoved(MouseEvent me){
        xpos = me.getX();
        ypos = me.getY();
        repaint();
        for(int i = 0; i < 12; i++){
            if((xpos >= r[i].redCheckerBoardX && xpos <= (r[i].redCheckerBoardX+75))&&(ypos >= r[i].redCheckerBoardY && ypos <= (r[i].redCheckerBoardY+75))){
                rCheckerPSelect[i] = true;
                repaint();
            }
            else{
                    rCheckerPSelect[i] = false;
            }
            if((xpos >= b[i].blackCheckerBoardX && xpos <= (b[i].blackCheckerBoardX+75))&&(ypos >= b[i].blackCheckerBoardY && ypos <= (b[i].blackCheckerBoardY+75))){
                bCheckerPSelect[i] = true;
                repaint();
            }
            else{
                    bCheckerPSelect[i] = false;
            }
        }
    }
        public void mouseDragged(MouseEvent me){}
        public void mouseClicked(MouseEvent me){
            xposc = me.getX();
            yposc = me.getY();
            repaint();
            for(int i = 0; i < 12; i++){
                if((xposc >= r[i].redCheckerBoardX && xposc <= (r[i].redCheckerBoardX+75))&&(yposc >= r[i].redCheckerBoardY && yposc <= (r[i].redCheckerBoardY+75))){
                    rCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        rCheckerSelect[i] = false;
                }
                if((xposc >= b[i].blackCheckerBoardX && xposc <= (b[i].blackCheckerBoardX+75))&&(yposc >= b[i].blackCheckerBoardY && yposc <= (b[i].blackCheckerBoardY+75))){
                    bCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        bCheckerSelect[i] = false;
                }
            }
        }
        public void mousePressed(MouseEvent me){}
        public void mouseReleased(MouseEvent me){}
        public void mouseEntered(MouseEvent me){}
        public void mouseExited(MouseEvent me){}
    }

---

RedChecker class:

Code:

---

public class RedChecker {
       
        public int redCheckerX;
        public int redCheckerY;
        public int redCheckerBoardX;
        public int redCheckerBoardY;
       
        public RedChecker(int x, int y, int bx, int by){
                redCheckerX = x;
                redCheckerY = y;
                redCheckerBoardX = bx;
                redCheckerBoardY = by;
        }
       
        static CheckersGameSSCCE c = new CheckersGameSSCCE();
       
        public static void Move(int i){
                if((c.xposc >= c.r[i].redCheckerBoardX+75 && c.xposc <= c.r[i].redCheckerBoardX+150) && (c.yposc >= c.r[i].redCheckerBoardY-75 && c.yposc <= c.r[i].redCheckerBoardY) && c.board[c.r[i].redCheckerX+1][c.r[i].redCheckerY-1] == 0){
                        c.r[i].redCheckerBoardX += 75;
                        c.r[i].redCheckerBoardY -= 75;
                        c.r[i].redCheckerX++;
                        c.r[i].redCheckerY--;
                        c.repaint();
                }
                if((c.xposc >= c.r[i].redCheckerBoardX-75 && c.xposc <= c.r[i].redCheckerBoardX) && (c.yposc >= c.r[i].redCheckerBoardY-75 && c.yposc <= c.r[i].redCheckerBoardY) && c.board[c.r[i].redCheckerX+1][c.r[i].redCheckerY-1] == 0){
                        c.r[i].redCheckerBoardX -= 75;
                        c.r[i].redCheckerBoardY -= 75;
                        c.r[i].redCheckerX--;
                        c.r[i].redCheckerY--;
                        c.repaint();
                }
                if((c.xposc >= c.r[i].redCheckerBoardX+75 && c.xposc <= c.r[i].redCheckerBoardX+150) && (c.yposc >= c.r[i].redCheckerBoardY-75 && c.yposc <= c.r[i].redCheckerBoardY) && c.board[c.r[i].redCheckerX+1][c.r[i].redCheckerY-1] == 2 && c.board[c.r[i].redCheckerX+2][c.r[i].redCheckerY-2] == 0){
                        c.r[i].redCheckerBoardX += 150;
                        c.r[i].redCheckerBoardY -= 150;
                        c.r[i].redCheckerX += 2;
                        c.r[i].redCheckerY -= 2;
                        c.repaint();
                }
                if((c.xposc >= c.r[i].redCheckerBoardX-75 && c.xposc <= c.r[i].redCheckerBoardX) && (c.yposc >= c.r[i].redCheckerBoardY-75 && c.yposc <= c.r[i].redCheckerBoardY) && c.board[c.r[i].redCheckerX-1][c.r[i].redCheckerY-1] == 2 && c.board[c.r[i].redCheckerX-2][c.r[i].redCheckerY-2] == 0){
                        c.r[i].redCheckerBoardX -= 150;
                        c.r[i].redCheckerBoardY -= 150;
                        c.r[i].redCheckerX -= 2;
                        c.r[i].redCheckerY -= 2;
                        c.repaint();
                }
        }
}

---

BlackChecker class

Code:

---

public class BlackChecker{

        public int blackCheckerX;
        public int blackCheckerY;
        public int blackCheckerBoardX;
        public int blackCheckerBoardY;
       
        public BlackChecker(int x, int y, int bx, int by){
                blackCheckerX = x;
                blackCheckerY = y;
                blackCheckerBoardX = bx;
                blackCheckerBoardY = by;
        }
       
        static CheckersGameSSCCE c = new CheckersGameSSCCE();
       
        public static void Move(int i){
                if((c.xposc >= c.b[i].blackCheckerBoardX+75 && c.xposc >= c.b[i].blackCheckerBoardX+150) && (c.yposc >= c.b[i].blackCheckerBoardY+75 && c.yposc <= c.b[i].blackCheckerBoardY+150) && c.board[c.b[i].blackCheckerX+1][c.b[i].blackCheckerY+1] == 0){
                        c.b[i].blackCheckerBoardX += 75;
                        c.b[i].blackCheckerBoardY += 75;
                        c.b[i].blackCheckerX++;
                        c.b[i].blackCheckerY++;
                        c.repaint();
                }
                if((c.xposc >= c.b[i].blackCheckerBoardX-75 && c.xposc >= c.b[i].blackCheckerBoardX) && (c.yposc >= c.b[i].blackCheckerBoardY+75 && c.yposc <= c.b[i].blackCheckerBoardY+150) && c.board[c.b[i].blackCheckerX-1][c.b[i].blackCheckerY+1] == 0){
                        c.b[i].blackCheckerBoardX -= 75;
                        c.b[i].blackCheckerBoardY += 75;
                        c.b[i].blackCheckerX--;
                        c.b[i].blackCheckerY++;
                        c.repaint();
                }
                if((c.xposc >= c.b[i].blackCheckerBoardX+150 && c.xposc >= c.b[i].blackCheckerBoardX+225) && (c.yposc >= c.b[i].blackCheckerBoardY+150 && c.yposc <= c.b[i].blackCheckerBoardY+225) && c.board[c.b[i].blackCheckerX+1][c.b[i].blackCheckerY+1] == 1 && c.board[c.b[i].blackCheckerX+2][c.b[i].blackCheckerY+2] == 0){
                        c.b[i].blackCheckerBoardX += 150;
                        c.b[i].blackCheckerBoardY += 150;
                        c.b[i].blackCheckerX += 2;
                        c.b[i].blackCheckerY += 2;
                        c.repaint();
                }
                if((c.xposc >= c.b[i].blackCheckerBoardX-75 && c.xposc >= c.b[i].blackCheckerBoardX) && (c.yposc >= c.b[i].blackCheckerBoardY+75 && c.yposc <= c.b[i].blackCheckerBoardY+150) && c.board[c.b[i].blackCheckerX-1][c.b[i].blackCheckerY+1] == 1 && c.board[c.b[i].blackCheckerX-2][c.b[i].blackCheckerY+2] == 0){
                        c.b[i].blackCheckerBoardX -= 150;
                        c.b[i].blackCheckerBoardY += 150;
                        c.b[i].blackCheckerX -= 2;
                        c.b[i].blackCheckerY += 2;
                        c.repaint();
                }
        }
}

---

For your first question, can you show me the specific code segment, the event you invoke. It's a long text, and difficult to read.

for the first problem, that code uses

Code:

---

public void mouseClicked(MouseEvent me){
            xposc = me.getX();
            yposc = me.getY();
            repaint();
            for(int i = 0; i < 12; i++){
                if((xposc >= r[i].redCheckerBoardX && xposc <= (r[i].redCheckerBoardX+75))&&(yposc >= r[i].redCheckerBoardY && yposc <= (r[i].redCheckerBoardY+75))){
                    rCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        rCheckerSelect[i] = false;
                }
                if((xposc >= b[i].blackCheckerBoardX && xposc <= (b[i].blackCheckerBoardX+75))&&(yposc >= b[i].blackCheckerBoardY && yposc <= (b[i].blackCheckerBoardY+75))){
                    bCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        bCheckerSelect[i] = false;
                }

---

Quote:

---

Originally Posted by dyelax

for the first problem, that code uses

Code:

---

public void mouseClicked(MouseEvent me){
            xposc = me.getX();
            yposc = me.getY();
            repaint();
            for(int i = 0; i < 12; i++){
                if((xposc >= r[i].redCheckerBoardX && xposc <= (r[i].redCheckerBoardX+75))&&(yposc >= r[i].redCheckerBoardY && yposc <= (r[i].redCheckerBoardY+75))){
                    rCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        rCheckerSelect[i] = false;
                }
                if((xposc >= b[i].blackCheckerBoardX && xposc <= (b[i].blackCheckerBoardX+75))&&(yposc >= b[i].blackCheckerBoardY && yposc <= (b[i].blackCheckerBoardY+75))){
                    bCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        bCheckerSelect[i] = false;
                }

---

---

Dude; long conditions. I've rewritten them for you:

Code:

---

public void mouseClicked(MouseEvent me){
            xposc = me.getX();
            yposc = me.getY();
            repaint();
            for (int i = 0; i < 12; i++) {
                int rx = r[i].redCheckerBoardX;
                int ry = r[i].redCheckerBoardY;

                if ((xposc >= rc && xposc <= rx + 75) && (yposc >= ry && yposc <= ry + 75)){
                    rCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        rCheckerSelect[i] = false;
                }

                int bx = b[i].blackCheckerBoardX;
                int by = b[i].blackCheckerBoardY;

                if ((xposc >= bx && xposc <= bx + 75) && (yposc >= by && yposc <= by + 75)){
                    bCheckerSelect[i] = true;
                    repaint();
                }
                else{
                        bCheckerSelect[i] = false;
                }

                // [...]

---

I reduced and styled up your CheckersGameSSCCE class a bit,
hopefully it is easier to read (and modify) now.

Code:

---

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;

public class CheckersGameSSCCE extends Applet implements MouseMotionListener, MouseListener
{
    public BlackChecker[] b = new BlackChecker[12];
    public RedChecker[] r = new RedChecker[12];
    public int[][] board = new int[][] {
            {0, 1, 0, 1, 0, 1, 0, 1},
            {1, 0, 1, 0, 1, 0, 1, 0},
            {0, 1, 0, 1, 0, 1, 0, 1},
            {0, 0, 0, 0, 0, 0, 0, 0},
            {0, 0, 0, 0, 0, 0, 0, 0},
            {2, 0, 2, 0, 2, 0, 2, 0},
            {0, 2, 0, 2, 0, 2, 0, 2},
            {2, 0, 2, 0, 2, 0, 2, 0}};
   
    int xpos;
    int ypos;
    public int xposc;
    public int yposc;
    boolean[] rCheckerPSelect = new boolean[12];
    boolean[] bCheckerPSelect = new boolean[12];
    boolean[] rCheckerSelect = new boolean[12];
    boolean[] bCheckerSelect = new boolean[12];
       
    Color bgColor = Color.black;
       
    Image checkerboard;
    Image redChecker;
    Image redCheckerKing;
    Image blackChecker;
    Image blackCheckerKing;
    Image pselect;
    Image select;
    Image sDot;
    URL base;
    MediaTracker mt;
       
    Graphics bufferGraphics;
    Image offscreen;
       
    public CheckersGameSSCCE(){}
       
    public void init()
    {
        try {
            base = getDocumentBase();
        }
        catch (Exception e) {}

        mt = new MediaTracker(this);
        checkerboard = getImage(base,"http://www.world-wide-net.com/library/graphics/8x8.gif");
        redChecker  = getImage(base,"http://www.ozark.k12.mo.us/jrhi/cooks/redcircle.gif");
        blackChecker = getImage(base,"http://s2.webstarts.com/famousmarketstrategies/uploads/Black_circle.jpg");
        pselect      = getImage(base,"http://www.clipartguide.com/_small/0808-0710-2914-4646.jpg");
        select      = getImage(base,"http://www.clipartguide.com/_small/0808-0710-2914-4641.jpg");
        sDot        = getImage(base,"http://www.visasint.com/images/GreyCircleGif.gif");

        mt.addImage(checkerboard, 1);
        mt.addImage(redChecker, 2);
        mt.addImage(blackChecker, 3);
        mt.addImage(pselect, 4);
        mt.addImage(select, 5);
        mt.addImage(sDot, 6);

        try {
            mt.waitForAll();
        }
        catch (InterruptedException e) {}

        addMouseMotionListener(this);
        addMouseListener(this);

        setBackground(bgColor);
           
        offscreen = createImage(600, 600);
        bufferGraphics = offscreen.getGraphics();

        for (int bi = 0, ri = 0, y = 0; y < 8; y++)
            for (int x = 0; x < 8; x++)
                if      (board[y][x] == 1)  b[bi++] = new BlackChecker(x, y, x * 75, y * 75);
                else if (board[y][x] == 2)  r[ri++] = new  RedChecker(x, y, x * 75, y * 75);

        /* (Replaced by double for-loop above.)
        b[0] = new BlackChecker(1,0,75,0);
        b[1] = new BlackChecker(3,0,225,0);
        b[2] = new BlackChecker(5,0,375,0);
        b[3] = new BlackChecker(7,0,525,0);
        b[4] = new BlackChecker(0,1,0,75);
        b[5] = new BlackChecker(2,1,150,75);
        b[6] = new BlackChecker(4,1,300,75);
        b[7] = new BlackChecker(6,1,450,75);
        b[8] = new BlackChecker(1,2,75,150);
        b[9] = new BlackChecker(3,2,225,150);
        b[10] = new BlackChecker(5,2,375,150);
        b[11] = new BlackChecker(7,2,525,150);

        r[0] = new RedChecker(0,5,0,375);
        r[1] = new RedChecker(2,5,150,375);
        r[2] = new RedChecker(4,5,300,375);
        r[3] = new RedChecker(6,5,450,375);
        r[4] = new RedChecker(1,6,75,450);
        r[5] = new RedChecker(3,6,225,450);
        r[6] = new RedChecker(5,6,375,450);
        r[7] = new RedChecker(7,6,525,450);
        r[8] = new RedChecker(0,7,0,525);
        r[9] = new RedChecker(2,7,150,525);
        r[10] = new RedChecker(4,7,300,525);
        r[11] = new RedChecker(6,7,450,525);
        */
    }

    public void stop() {}

    public void paint(Graphics g)
    {
        resize(600, 600); // #¤#¤#¤#¤#¤#¤#¤ This feels like a bad idea, you should only resize once ¤#¤#¤#¤#¤#¤#¤#
        bufferGraphics.clearRect(0, 0, 600, 600);

        bufferGraphics.drawImage(checkerboard, 0, 0, 600, 600, this);

        for(int i = 0; i < 12; i++)
        {
            bufferGraphics.drawImage(blackChecker, b[i].blackCheckerBoardX, b[i].blackCheckerBoardY, 75, 75, this);
            bufferGraphics.drawImage(  redChecker, r[i].  redCheckerBoardX, r[i].  redCheckerBoardY, 75, 75, this);

            if (rCheckerPSelect[i])    bufferGraphics.drawImage(pselect, r[i].  redCheckerBoardX, r[i].  redCheckerBoardY, 75, 75, this);
            if (bCheckerPSelect[i])    bufferGraphics.drawImage(pselect, b[i].blackCheckerBoardX, b[i].blackCheckerBoardY, 75, 75, this);

            if (rCheckerSelect[i])
            {
                int x = r[i].redCheckerBoardX;
                int y = r[i].redCheckerBoardY;

                bufferGraphics.drawImage(select, x, y, 75, 75, this);

                if (board[x - 1][y - 1] == 0)                              bufferGraphics.drawImage(sDot, x - 75,  y - 75,  75, 75, this);
                if (board[x - 1][y - 1] == 1 && board[x - 2][y - 2] == 0)  bufferGraphics.drawImage(sDot, x - 150, y - 150, 75, 75, this);
                if (board[x + 1][y - 1] == 0)                              bufferGraphics.drawImage(sDot, x + 75,  y - 75,  75, 75, this);
                if (board[x + 1][y - 1] == 1 && board[x + 2][y - 2] == 0)  bufferGraphics.drawImage(sDot, x + 150, y - 150, 75, 75, this);

                RedChecker.Move(i);
            }
            if (bCheckerSelect[i])
            {
                int x = b[i].blackCheckerBoardX;
                int y = b[i].blackCheckerBoardY;

                bufferGraphics.drawImage(select, x, y, 75, 75, this);

                if (board[x - 1][y + 1] == 0)                              bufferGraphics.drawImage(sDot, x - 75,  y + 75,  75, 75, this);
                if (board[x - 1][y + 1] == 2 && board[x - 2][y + 2] == 0)  bufferGraphics.drawImage(sDot, x - 150, y + 150, 75, 75, this);
                if (board[x + 1][y + 1] == 0)                              bufferGraphics.drawImage(sDot, x + 75,  y + 75,  75, 75, this);
                if (board[x + 1][y + 1] == 2 && board[x + 2][y + 2] == 0)  bufferGraphics.drawImage(sDot, x + 150, y + 150, 75, 75, this);

                BlackChecker.Move(i);
            }
        }

        /*
        bufferGraphics.setColor(Color.red);
        bufferGraphics.drawString("(" + xpos + "," + ypos + ")", xpos, ypos);
        */
        g.drawImage(offscreen, 0, 0, this);
    }

    public void update(Graphics g)
    {
        paint(g);
    }
   
    public void mouseMoved  (MouseEvent me)  {  mouseAction(me, rCheckerPSelect, bCheckerPSelect);  }
    public void mouseClicked(MouseEvent me)  {  mouseAction(me, rCheckerSelect,  bCheckerSelect);  }
    public void mouseAction(MouseEvent me, boolean[] rCheckers, boolean[] bCheckers)
    {
        xposc = me.getX();
        yposc = me.getY();
        repaint();

        for (int i = 0; i < 12; i++)
        {
            int rx = r[i].redCheckerBoardX;
            int ry = r[i].redCheckerBoardY;
            int bx = b[i].blackCheckerBoardX;
            int by = b[i].blackCheckerBoardY;

            rCheckers[i] = (xposc >= x && xposc <= rx + 75) && (yposc >= ry && yposc <= ry + 75);
            bCheckers[i] = (xposc >= bx && xposc <= bx + 75) && (yposc >= by && yposc <= by + 75);

            if (rCheckers[i] || bCheckers[i])
                repaint();
        }
    }

    public void mouseDragged(MouseEvent me){}
    public void mousePressed(MouseEvent me){}
    public void mouseReleased(MouseEvent me){}
    public void mouseEntered(MouseEvent me){}
    public void mouseExited(MouseEvent me){}
}

---

I rewrote your RedChecker class so it would be easier to read:

Code:

---

public class RedChecker
{
        public int redCheckerX;
        public int redCheckerY;
        public int redCheckerBoardX;
        public int redCheckerBoardY;
       
        public RedChecker(int x, int y, int bx, int by)
        {
                redCheckerX = x;
                redCheckerY = y;
                redCheckerBoardX = bx;
                redCheckerBoardY = by;
        }
       
        static CheckersGameSSCCE c = new CheckersGameSSCCE();
       
        public static void Move(int i)
        {
                int x = c.r[i].redCheckerBoardX;
                int y = c.r[i].redCheckerBoardY;
                int xi = c.r[i].redCheckerX;
                int yi = c.r[i].redCheckerY;
                int cx = c.xposc;
                int cy = c.yposc;

                if (cy >= y - 75 && cy <= y)
                {
                        if      ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == 0) {
                                c.r[i].redCheckerBoardX += 75;
                                c.r[i].redCheckerBoardY -= 75;
                                c.r[i].redCheckerX++;
                                c.r[i].redCheckerY--;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi + 1][yi - 1] == 0) {
                                c.r[i].redCheckerBoardX -= 75;
                                c.r[i].redCheckerBoardY -= 75;
                                c.r[i].redCheckerX--;
                                c.r[i].redCheckerY--;
                                c.repaint();
                        }
                        else if ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == 2 && c.board[xi + 2][yi - 2] == 0) {
                                c.r[i].redCheckerBoardX += 150;
                                c.r[i].redCheckerBoardY -= 150;
                                c.r[i].redCheckerX += 2;
                                c.r[i].redCheckerY -= 2;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi - 1][yi - 1] == 2 && c.board[xi - 2][yi - 2] == 0) {
                                c.r[i].redCheckerBoardX -= 150;
                                c.r[i].redCheckerBoardY -= 150;
                                c.r[i].redCheckerX -= 2;
                                c.r[i].redCheckerY -= 2;
                                c.repaint();
                        }
        }

}

---

BlackChecker can be modified analogously.

However it is possible to merge the two classes:

Code:

---

public class Checker
{
        public int checkerX;
        public int checkerY;
        public int checkerBoardX;
        public int checkerBoardY;
        public boolean red;
       
        /**
        * @param  red  <code>true</code> if red, <code>false</code> if black
        */
        public Checker(int x, int y, int bx, int by, boolean red)
        {
                checkerX = x;
                checkerY = y;
                checkerBoardX = bx;
                checkerBoardY = by;
                this.red = red;
        }
       
        static CheckersGameSSCCE c = new CheckersGameSSCCE();
       
        public static void Move(int i)
        {
                Checker checker = (red ? c.r : c.b)[i];
                int colour = red ? 2 : 1;        //2 if red is true, otherwise 1

                int x = checker.checkerBoardX;
                int y = checker.checkerBoardY;
                int xi = checker.checkerX;
                int yi = checker.checkerY;
                int cx = c.xposc;
                int cy = c.yposc;

                if (cy >= y - 75 && cy <= y)
                {
                        if      ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == 0) {
                                checker.checkerBoardX += 75;
                                checker.checkerBoardY -= 75;
                                checker.checkerX++;
                                checker.checkerY--;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi + 1][yi - 1] == 0) {
                                checker.checkerBoardX -= 75;
                                checker.checkerBoardY -= 75;
                                checker.checkerX--;
                                checker.checkerY--;
                                c.repaint();
                        }
                        else if ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == colour && c.board[xi + 2][yi - 2] == 0) {
                                checker.checkerBoardX += 150;
                                checker.checkerBoardY -= 150;
                                checker.checkerX += 2;
                                checker.checkerY -= 2;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi - 1][yi - 1] == colour && c.board[xi - 2][yi - 2] == 0) {
                                checker.checkerBoardX -= 150;
                                checker.checkerBoardY -= 150;
                                checker.checkerX -= 2;
                                checker.checkerY -= 2;
                                c.repaint();
                        }
        }

}

---

Now I think your problems will be solved, or atleast one, if you edit it a bit:

Code:

---

public class Checker
{
        public int checkerX;
        public int checkerY;
        public int checkerBoardX;
        public int checkerBoardY;
        public boolean red;
        private CheckersGameSSCCE c;
       
        /**
        * @param  red  <code>true</code> if red, <code>false</code> if black
        * @param  c    the CheckersGameSSCCE instance, <code>this<code> when constructed from your CheckersGameSSCCE instance
        */
        public Checker(int x, int y, int bx, int by, boolean red, CheckersGameSSCCE c)
        {
                checkerX = x;
                checkerY = y;
                checkerBoardX = bx;
                checkerBoardY = by;

                this.red = red;
                this.c = c;
        }
       
        public static void Move(int i)
        {
                Checker checker = (red ? c.r : c.b)[i];
                int colour = red ? 2 : 1;        //2 if red is true, otherwise 1

                int x = checker.checkerBoardX;
                int y = checker.checkerBoardY;
                int xi = checker.checkerX;
                int yi = checker.checkerY;
                int cx = c.xposc;
                int cy = c.yposc;

                if (cy >= y - 75 && cy <= y)
                {
                        if      ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == 0) {
                                checker.checkerBoardX += 75;
                                checker.checkerBoardY -= 75;
                                checker.checkerX++;
                                checker.checkerY--;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi + 1][yi - 1] == 0) {
                                checker.checkerBoardX -= 75;
                                checker.checkerBoardY -= 75;
                                checker.checkerX--;
                                checker.checkerY--;
                                c.repaint();
                        }
                        else if ((cx >= x + 75 && cx <= x + 150) && c.board[xi + 1][yi - 1] == colour && c.board[xi + 2][yi - 2] == 0) {
                                checker.checkerBoardX += 150;
                                checker.checkerBoardY -= 150;
                                checker.checkerX += 2;
                                checker.checkerY -= 2;
                                c.repaint();
                        }
                        else if ((cx >= x - 75 && cx <= x)      && c.board[xi - 1][yi - 1] == colour && c.board[xi - 2][yi - 2] == 0) {
                                checker.checkerBoardX -= 150;
                                checker.checkerBoardY -= 150;
                                checker.checkerX -= 2;
                                checker.checkerY -= 2;
                                c.repaint();
                        }
        }

}

---

Don't forget http://www.java-forums.org/images/ca...reputation.gif if anything helped. ;)

Hibernate, the way you helping is not good. Guide OP to tryout something first by themselves. Otherwise they never learn stuff.

I know, I'm only one my second year in my Master of Enginnering in Science and Master of Teaching education and I've fail all teaching classes. (Although people always get an A, when I help them privately.)

Most of that was just clean up so we don't have such a hard time to understand the code.
But, yes the last code was a partial direct solution,