2048小游戏，Java，Swing.zip

package game2048; import java.awt.event.*; import javax.swing.*; public class Operation implements KeyListener { Block[] block;//用于储存16个数据 JPanel panel; public boolean up,down,left,right; int moveFlag;//用于累计移动的次数 boolean numFlag;//用于判断是否还能加入新的数字 public Operation(JFrame frame){ this.panel = (JPanel)frame.getContentPane();//构造出panel block = new Block[16];//构造出长度为16的数组 numFlag = true;//初始化 moveFlag = 0; up=true; down=true; left=true; right=true; addBlock(); for (int i = 0; i < 2; i++) appearBlock(); frame.addKeyListener(this); } private void addBlock(){ //往panel里加入block for (int i = 0; i < 16; i++) { block[i] = new Block(); block[i].setHorizontalAlignment(JLabel.CENTER);// 不透明的标签 block[i].setOpaque(true); panel.add(block[i]); } } public void appearBlock() { //当还能加入随机的一个新的值得时候 while (numFlag){ int index = (int) (Math.random() * 16);//取一个0到15的随机整数，这个数作为随机加入盘中的2或4的位置 //如果这个数所在的block数组中值为0，即在为空的时候，加入一个2或4的数字 if (block[index].getValue() == 0){ if (Math.random() < 0.5){ block[index].setValue(2); } else { block[index].setValue(4); } break;//跳出while } } } //统计block数组中是否含有值为0的元素，若没有，则numFlag变为false public void judgeAppear() { int sum = 0; for (int i = 0; i < 16; i++) { if (block[i].getValue() != 0){ sum++; } } if (sum == 16) numFlag = false; } public int Find(int i,int j,int a,int b){ while(i<b&&i>=a){ if(block[i].getValue()!=0){ return i; } i=i+j; } return -1; } public void upBlock(){ int i=0,j=0; int t=0; int valueJ=0; int valueI=0; int index=0; for(i=0;i<4;i++){ index=i; for(j=i+4;j<16;j+=4){ valueJ=0; valueI=0; if(block[index].getValue()==0){ t=Find(index,4,0,16); if(t!=-1) { block[index].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueI=block[index].getValue(); if(block[j].getValue()==0){ t=Find(j,4,0,16); if(t!=-1){ block[j].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueJ=block[j].getValue(); if(valueI==valueJ&&valueI!=0&&valueJ!=0){ block[index].setValue(valueI+valueJ); block[j].setValue(0); numFlag = true; } index=j; } } } public void downBlock() { int i=0,j=0; int t=0; int valueJ=0; int valueI=0; int index=0; for(i=12;i<16;i++) { index=i; for(j=i-4;j>=0;j-=4){ valueJ=0; valueI=0; if(block[index].getValue()==0) { t=Find(index,-4,0,16); if(t!=-1){ block[index].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueI=block[index].getValue(); if(block[j].getValue()==0) { t=Find(j,-4,0,16); if(t!=-1){ block[j].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueJ=block[j].getValue(); if(valueI==valueJ&&valueI!=0&&valueJ!=0){ block[index].setValue(valueI+valueJ); block[j].setValue(0); numFlag = true; } index=j; } } } public void rightBlock(){ int i=0,j=0; int t=0; int valueJ=0; int valueI=0; int index=0; for(i=3;i<16;i+=4){ index=i; for(j=i-1;j>i-4;j--){ valueJ=0; valueI=0; if(block[index].getValue()==0) { t=Find(index,-1,i-3,index+1); if(t!=-1){ block[index].setValue(block[t].getValue()); block[t].setValue(0); } else{ break; } } valueI=block[index].getValue(); if(block[j].getValue()==0) { t=Find(j,-1,i-3,j+1); if(t!=-1){ block[j].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueJ=block[j].getValue(); if(valueI==valueJ&&valueI!=0&&valueJ!=0){ block[index].setValue(valueI+valueJ); block[j].setValue(0); numFlag = true; } index=j; } } } public void leftBlock(){ int i=0,j=0; int t=0; int valueJ=0; int valueI=0; int index=0; for(i=0;i<16;i+=4) { index=i; for(j=i+1;j<i+4;j++){ valueJ=0; valueI=0; if(block[index].getValue()==0){ t=Find(index,1,index,i+4); if(t!=-1){ block[index].setValue(block[t].getValue()); block[t].setValue(0); } else { break; } } valueI=block[index].getValue(); if(block[j].getValue()==0) { t=Find(j,1,j,i+4); if(t!=-1) { block[j].setValue(block[t].getValue()); block[t].setValue(0); } else{ break; } } valueJ=block[j].getValue(); if(valueI==valueJ&&valueI!=0&&valueJ!=0){ block[index].setValue(valueI+valueJ); block[j].setValue(0); numFlag = true; } index=j; } } } public void over(){ //当不能添加元素，并且不可移动的步数超过36就输了，输了的时候在盘中央显示GAMEOVER if (numFlag ==false&& up==false&&down==false &&left==false&&right==false){ block[4].setText("G"); block[5].setText("A"); block[6].setText("M"); block[7].setText("E"); block[8].setText("O"); block[9].setText("V"); block[10].setText("E"); block[11].setText("R"); block[11].addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e){ reStart(); } }); } } //同OVER public void win() { block[0].setText("Y"); block[1].setText("O"); block[2].setText("U"); block[13].setText("W"); block[14].setText("I"); block[15].setText("N"); block[15].addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { reStart(); } }); } //重启游戏，和构造函数类似，不在累述 public void reStart(){ numFlag=true; moveFlag=0; up=true; down=true; left=true; right=true; for(int i=0;i<16;i++) block[i].setValue(0); for (int i = 0; i < 2; i++) appearBlock(); } //判断按的上下左右键，并依次调用移动函数、判断函数、添加函数、判断是否输掉的函数 public void keyPressed(KeyEvent e) { switch (e.getKeyCode()) { case KeyEvent.VK_UP: if(up){ upBlock(); } judgeAppear(); appearBlock(); over(); if(numFlag==false) { up=false; } else{ up=true; down=true; left=true; right=true; } break; case KeyEvent.VK_DOWN: if(down){ downBlock(); } judgeAppear(); appearBlock(); over(); if(numFlag==false) { down=false; } else { up=true;down=true;left=true;right=true; } break; case KeyEvent.VK_LEFT: if(left){ leftBlock(); } judgeAppear(); appearBlock(); over(); if(numFlag==false){ left=false; } else { up=true; down=true; left=true; right=true; } break; case KeyEvent.VK_RIGHT: if(right){ rightBlock(); } judgeAppear(); appearBlock(); over(); if(numFlag==false) { right=false; } else { up=true; down=true; left=