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android - 做一个2048的游戏，左右移动没有问题，但是无法上下移动，求解

Card.class

package com.example.myroom.androidgame2048;

import android.content.Context;
import android.view.Gravity;
import android.widget.FrameLayout;
import android.widget.GridLayout;
import android.widget.LinearLayout;
import android.widget.TextView;
import org.w3c.dom.Text;

/**

public class Card extends FrameLayout {

public Card(Context context){
    super(context);
    label=new TextView(getContext());
    label.setTextSize(32);
    label.setBackgroundColor(0x33ffffff);
    label.setGravity(Gravity.CENTER);
    LayoutParams lp= new LayoutParams(-1,-1);

// GridLayout.LayoutParams ll=new GridLayout.LayoutParams(lp);

    lp.setMargins(20,20,0,0);
    addView(label,lp);
    setNum(0);
}
private int num=0;
private TextView label;
public int getNum() {
    return num;
}

public void setNum(int num) {
    this.num=num;
    if(num<=0) {
        label.setText("");//要是字符串
    }else{
        label.setText(num+"");
    }
    }

public boolean equals(Card card) {
    return getNum()==card.getNum();//判断数字是否相同
}

}

GameView.class

package com.example.myroom.androidgame2048;

import android.content.Context;
import android.graphics.Point;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.GridLayout;
import android.widget.Toast;

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

/**

public class GameView extends GridLayout {

public GameView(Context context) {
    super(context);
    InitGameView();
}

public GameView(Context context, AttributeSet attrs) {
    super(context, attrs);
    InitGameView();
}

public GameView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    InitGameView();
}

private void InitGameView(){
    setColumnCount(4);//指明是4列
    setBackgroundColor(0xffbbada0);
    setOnTouchListener(new View.OnTouchListener() {
        private float startX,startY,offsetX,offsetY;
        @Override
        public boolean onTouch(View view, MotionEvent motionEvent) {
            switch (motionEvent.getAction()) {
                case MotionEvent.ACTION_DOWN:
                    startX = motionEvent.getX();
                    startY = motionEvent.getY();
                    break;
                case MotionEvent.ACTION_UP:
                    offsetX = motionEvent.getX() - startX;
                    offsetY = motionEvent.getY() - startY;
                    if (Math.abs(offsetX) >Math.abs(offsetY)) {
                        if (offsetX < -5) {//向左滑动
                            swipeLeft();
                        } else if (offsetX > 5) {//向右滑动
                            swipeRight();
                        }else {
                            if(offsetY< -5){//向上

                                swipeup();
                            }else if(offsetY> 5){//向下
                                swipeDown();
                            }
                        }
                        break;
                    }
            }

            return true;
        }
    });
}

@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {//位置变化时
    super.onSizeChanged(w, h, oldw, oldh);
    int cardWidth=(Math.min(w,h)-20)/4;//像素间隔
    addCard(cardWidth,cardWidth);
    startgame();
}

private void startgame() {
    for(int y=0;y<4;y++){
        for(int x=0;x<4;x++){
            cardsmap[x][y].setNum(0);
        }
    }
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();
    addRandomNum();

}

private void addCard(int cardWidth,int cardheight){
    Card c;
    for(int y=0;y<4;y++){//添加16张卡片
        for(int x=0;x<4;x++){
            c=new Card(getContext());
            c.setNum(0);
            addView(c,cardWidth,cardheight);
            cardsmap[x][y]=c;//记录数据

        }
    }
}
private void  addRandomNum() {
    emptyPoints.clear();
    for (int y = 0; y < 4; y++) {
        for (int x = 0; x < 4; x++) {
            if (cardsmap[x][y].getNum() <= 0) {
                emptyPoints.add(new Point(x, y));
            }
        }
    }

    Point p = emptyPoints.remove((int)( Math.random() * emptyPoints.size()));
    cardsmap[p.x][p.y].setNum(Math.random() > 0.1 ? 2 : 4);

}

private void swipeLeft(){
    boolean merge=false;//控制每滑动一次画面就加一个随机数到画面，
    for (int y = 0; y < 4; y++) {
        for (int x = 0; x < 4; x++) {

            for(int x1=x+1;x1<4;x1++){
                if(cardsmap[x1][y].getNum()>0){
                    if(cardsmap[x][y].getNum()<=0){
                        cardsmap[x][y].setNum(cardsmap[x1][y].getNum());
                        cardsmap[x1][y].setNum(0);
                        x--;
                        merge=true;
                    }else if(cardsmap[x][y].equals(cardsmap[x1][y])){
                        cardsmap[x][y].setNum(cardsmap[x][y].getNum()*2);
                        cardsmap[x1][y].setNum(0);
                        merge=true;

                    }
                    break;
                }
            }
        }
    }
    if(merge){
        addRandomNum();
    }
}
private void swipeRight(){
    Toast.makeText(getContext(),"right",Toast.LENGTH_SHORT).show();
    for (int y = 0; y < 4; y++) {
        for (int x = 3; x >=0; x--) {

            for(int x1=x-1;x1>=0;x1--){
                if(cardsmap[x1][y].getNum()>0){
                    if(cardsmap[x][y].getNum()<=0){
                        cardsmap[x][y].setNum(cardsmap[x1][y].getNum());
                        cardsmap[x1][y].setNum(0);
                        x++;
                        break;
                    }else if(cardsmap[x][y].equals(cardsmap[x1][y])){
                        cardsmap[x][y].setNum(cardsmap[x][y].getNum()*2);
                        cardsmap[x1][y].setNum(0);
                        break;
                    }
                }
            }
        }
    }
}
private void swipeup(){
    Toast.makeText(getContext(),"up",Toast.LENGTH_SHORT).show();
    for (int x = 0; x < 4; x++) {
        for (int y = 0; y < 4; y++) {

            for(int y1=y+1;y1<4;y1++){
                if(cardsmap[x][y1].getNum()>0){
                    if(cardsmap[x][y].getNum()<=0){
                        cardsmap[x][y].setNum(cardsmap[x][y1].getNum());
                        cardsmap[x][y1].setNum(0);
                        y--;
                        break;
                    }else if(cardsmap[x][y].equals(cardsmap[x][y1])){
                        cardsmap[x][y].setNum(cardsmap[x][y].getNum()*2);
                        cardsmap[x][y1].setNum(0);
                        break;
                    }
                }
            }
        }
    }
}
private void swipeDown(){
    Toast.makeText(getContext(),"down",Toast.LENGTH_SHORT).show();
    for (int x = 0; x < 4; x++) {
        for (int y = 3; y >=0; y--) {

            for(int y1=y-1;y1>=0;y1--){
                if(cardsmap[x][y1].getNum()>0){
                    if(cardsmap[x][y].getNum()<=0){
                        cardsmap[x][y].setNum(cardsmap[x][y1].getNum());
                        cardsmap[x][y1].setNum(0);

                        y++;
                        break;
                    }else if(cardsmap[x][y].equals(cardsmap[x][y1])){
                        cardsmap[x][y].setNum(cardsmap[x][y].getNum()*2);
                        cardsmap[x][y1].setNum(0);
                        break;
                    }
                }
            }
        }
    }
}
private Card[][] cardsmap=new Card[4][4];
private List<Point>emptyPoints=new ArrayList<Point>();

}

activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="com.example.myroom.androidgame2048.MainActivity">
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:longClickable="true"
    android:orientation="horizontal">
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/score"/>
    <TextView
        android:id="@+id/tvScore"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
</LinearLayout>
<com.example.myroom.androidgame2048.GameView
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="1"
    android:id="@+id/gameView"></com.example.myroom.androidgame2048.GameView>

</LinearLayout>

怪我咯怪我咯2773日前657

全員に返信(1)返信します

  • PHP中文网

    PHP中文网2017-04-17 17:59:46

    残念、ブラケットが上下に動いて左右判定操作に埋め込まれてしまいました、不注意でずっと探してました【恥】

    。

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