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                        /Android-五子连珠

落子的问题

发现一个问题，为什么白棋下好之后，轮到黑棋的时候，如果点击已经存在白棋的地方，白棋就会变成黑棋？？？

若愚_

2016-03-31

源自：Android-五子连珠 2-5

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4 回答

随忆
2016-05-18

package com.imooc.wuziqi;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

import java.util.ArrayList;
import java.util.BitSet;
import java.util.List;


public class WuziqiPanel extends View {
   private int mPanelWidth;
   private float mLineHeight;
   private int MAX_LINE = 10;

   private Paint mPaint = new Paint();
   private Bitmap mWhitePiece;
   private Bitmap mBlackPiece;

   private float ratiPieceOfLineHeight = 3 * 1.0f / 4;

   private boolean mIsWhite = true;
   private List<Point>mWhiteArray = new ArrayList<>();
   private List<Point>mBlackArray = new ArrayList<>();

   public WuziqiPanel(Context context, AttributeSet attrs) {
       super(context, attrs);

       setBackgroundColor(0x44ff0000);
       init();
   }
   private void init(){
       mPaint.setColor(0x88000000);
       mPaint.setAntiAlias(true);
       mPaint.setDither(true);
       mPaint.setStyle(Paint.Style.STROKE);

       mWhitePiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_w2);
       mBlackPiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_b1);
   }
   @Override
   protected void onMeasure(int widthMeasureSpace, int heightMeasureSpaec){
       //super.onMeasure(widthMeasureSpace,heightMeasureSpaec);
       int widthSize = MeasureSpec.getSize(widthMeasureSpace);
       int widthmode = MeasureSpec.getMode(widthMeasureSpace);
       int heightSize = MeasureSpec.getSize(heightMeasureSpaec);
       int heightMode = MeasureSpec.getMode(heightMeasureSpaec);

       int width = Math.min(widthSize,heightSize);
       if (widthmode == MeasureSpec.UNSPECIFIED){
           width = heightSize;
       }else if (heightMode == MeasureSpec.UNSPECIFIED){
           width = widthSize;
       }
       setMeasuredDimension(width, width);
   }

   @Override
   protected void onSizeChanged(int w, int h, int oldw, int oldh) {
       super.onSizeChanged(w, h, oldw, oldh);

       mPanelWidth = w;
       mLineHeight = mPanelWidth * 1.0f / MAX_LINE;

       int pieceWidth = (int) (mLineHeight * ratiPieceOfLineHeight);

       mWhitePiece = Bitmap.createScaledBitmap(mWhitePiece,pieceWidth,pieceWidth,false);
       mBlackPiece = Bitmap.createScaledBitmap(mBlackPiece,pieceWidth,pieceWidth,false);

   }
   @Override
   public boolean onTouchEvent(MotionEvent event) {
       int action = event.getAction();
       if( action == MotionEvent.ACTION_UP){
           int x = (int) event.getX();
           int y = (int) event.getY();
           Point p = getValidPoint(x,y);
           if(mWhiteArray.contains(p) || mBlackArray.contains(p)){  //判断本位置是否已下棋子。
               return false;
           }
           if(mIsWhite){
               mWhiteArray.add(p);
           }else{
               mBlackArray.add(p);
           }
           invalidate();
           mIsWhite = !mIsWhite;
           return true;
       }
       return true;    //上面改成ACTION_UP，则此处要改为true，否则不出现棋子。
   }

   private Point getValidPoint(int x, int y){
       return new Point();
   }
   @Override
   protected void onDraw(Canvas canvas) {
       super.onDraw(canvas);
       drawBoard(canvas);
       drawPieces(canvas);
   }

   private void drawPieces(Canvas canvas) {

       for(int i =0,n = mWhiteArray.size();i < n; i++)
       {
           Point whitePoint = mWhiteArray.get(i);
           canvas.drawBitmap(mWhitePiece,
                   (whitePoint.x + (1-ratiPieceOfLineHeight) / 2) * mLineHeight,
                   (whitePoint.y + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,null);
       }
       for(int i =0,n = mBlackArray.size();i < n; i++)
       {
           Point blackPoint = mBlackArray.get(i);
           canvas.drawBitmap(mBlackPiece,
                   (blackPoint.x + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,
                   (blackPoint.y + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,null);
       }
   }


   private void drawBoard(Canvas canvas) {
       int w = mPanelWidth;
       float lineHeight = mLineHeight;
       for(int i = 0; i < MAX_LINE ; i++) {
           int startX = (int) (lineHeight / 2);
           int endX = (int) (w - lineHeight / 2);
           int y = (int) ((0.5 + i) * lineHeight);
           canvas.drawLine(startX, y, endX, y, mPaint);
           canvas.drawLine(y,startX, y, endX, mPaint);
       }
   }
}

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sulo

private Point getValidPoint(int x, int y) { return new Point((int)(x / lineHeight),(int) (y / lineHeight)); }

2016-06-25 回复有任何疑惑可以回复我~

随忆
2016-05-18

package com.imooc.wuziqi;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;

import java.util.ArrayList;
import java.util.BitSet;
import java.util.List;

public class WuziqiPanel extends View {
private int mPanelWidth;
private float mLineHeight;
private int MAX_LINE = 10;

private Paint mPaint = new Paint();
private Bitmap mWhitePiece;
private Bitmap mBlackPiece;

private float ratiPieceOfLineHeight = 3 * 1.0f / 4;

private boolean mIsWhite = true;
private List<Point>mWhiteArray = new ArrayList<>();
private List<Point>mBlackArray = new ArrayList<>();

public WuziqiPanel(Context context, AttributeSet attrs) {
super(context, attrs);

setBackgroundColor(0x44ff0000);
init();
}
private void init(){
mPaint.setColor(0x88000000);
mPaint.setAntiAlias(true);
mPaint.setDither(true);
mPaint.setStyle(Paint.Style.STROKE);

mWhitePiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_w2);
mBlackPiece = BitmapFactory.decodeResource(getResources(),R.drawable.stone_b1);
}
@Override
protected void onMeasure(int widthMeasureSpace, int heightMeasureSpaec){
//super.onMeasure(widthMeasureSpace,heightMeasureSpaec);
int widthSize = MeasureSpec.getSize(widthMeasureSpace);
int widthmode = MeasureSpec.getMode(widthMeasureSpace);
int heightSize = MeasureSpec.getSize(heightMeasureSpaec);
int heightMode = MeasureSpec.getMode(heightMeasureSpaec);

int width = Math.min(widthSize,heightSize);
if (widthmode == MeasureSpec.UNSPECIFIED){
width = heightSize;
}else if (heightMode == MeasureSpec.UNSPECIFIED){
width = widthSize;
}
setMeasuredDimension(width, width);
}

@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);

mPanelWidth = w;
mLineHeight = mPanelWidth * 1.0f / MAX_LINE;

int pieceWidth = (int) (mLineHeight * ratiPieceOfLineHeight);

mWhitePiece = Bitmap.createScaledBitmap(mWhitePiece,pieceWidth,pieceWidth,false);
mBlackPiece = Bitmap.createScaledBitmap(mBlackPiece,pieceWidth,pieceWidth,false);

}
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getAction();
if( action == MotionEvent.ACTION_UP){
int x = (int) event.getX();
int y = (int) event.getY();
Point p = getValidPoint(x,y);
if(mWhiteArray.contains(p) || mBlackArray.contains(p)){ //判断本位置是否已下棋子。
return false;
}
if(mIsWhite){
mWhiteArray.add(p);
}else{
mBlackArray.add(p);
}
invalidate();
mIsWhite = !mIsWhite;
return true;
}
return true; //上面改成ACTION_UP，则此处要改为true，否则不出现棋子。
}

private Point getValidPoint(int x, int y){
return new Point();
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawBoard(canvas);
drawPieces(canvas);
}

private void drawPieces(Canvas canvas) {

for(int i =0,n = mWhiteArray.size();i < n; i++)
{
Point whitePoint = mWhiteArray.get(i);
canvas.drawBitmap(mWhitePiece,
(whitePoint.x + (1-ratiPieceOfLineHeight) / 2) * mLineHeight,
(whitePoint.y + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,null);
}
for(int i =0,n = mBlackArray.size();i < n; i++)
{
Point blackPoint = mBlackArray.get(i);
canvas.drawBitmap(mBlackPiece,
(blackPoint.x + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,
(blackPoint.y + (1- ratiPieceOfLineHeight) / 2) * mLineHeight,null);
}
}

private void drawBoard(Canvas canvas) {
int w = mPanelWidth;
float lineHeight = mLineHeight;
for(int i = 0; i < MAX_LINE ; i++) {
int startX = (int) (lineHeight / 2);
int endX = (int) (w - lineHeight / 2);
int y = (int) ((0.5 + i) * lineHeight);
canvas.drawLine(startX, y, endX, y, mPaint);
canvas.drawLine(y,startX, y, endX, mPaint);
}
}
}

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放学路上的小学生
2016-04-12

@Override
public boolean onTouchEvent(MotionEvent event) {
    int action = event.getAction();
    if( action == MotionEvent.ACTION_UP){
        int x = (int) event.getX();
        int y = (int) event.getY();
        Point p = getValidPoint(x,y);
        if(mWhiteArray.contains(p) || mBlackArray.contains(p)){  //判断本位置是否已下棋子。
            return false;
        }
        if(mIsWhite){
            mWhiteArray.add(p);
        }else{
            mBlackArray.add(p);
        }
        invalidate();
        mIsWhite = !mIsWhite;
        return true;
    }
    return true;    //上面改成ACTION_UP，则此处要改为true，否则不出现棋子。
}

0 回复有任何疑惑可以回复我~

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随忆

还是不行啊，我Android studio也没有报错

2016-05-18 回复有任何疑惑可以回复我~