import java.awt.* ;import javax.swing.* ;import java.awt.event.*;import java.util.EventListener;class f extends JFrame {f(String title) {this.setTitle(title) ;this.setSize(608 , 630) ;this.setLocation(300 , 100) ;this.setBackground(Color.BLACK) ;MyTank mp = new MyTank() ;this.add(mp) ;this.addKeyListener(mp) ;new Thread(mp).start() ;}public static void main(String[] args) {f h = new f("坦克大战(版本1.0)") ;h.setVisible(true) ;}}//主战坦克class MyTank extends JPanel implements KeyListener , Runnable {int x = 280, y = 280 ;//坦克的初始位置int op = 1 ;//坦克的移动方向int color = 0 ;int tankspeed = 8 ;//坦克的速度int tankbullet = 8 ;//坦克的子弹速度int tankfbullet = 4 ;//敌军的子弹速度int shengming = 100 ;//生命int fenshu = 0 ;int nandu = 5 ; //设置游戏难度//子弹int dx = 295 , dy = 295 ;int dx1 = 295 , dy1 = -10 ;int dx2 = 600 , dy2 = 295 ;int dx3 = 295 , dy3 = 600 ;int dx4 = -10 , dy4 = 295 ;//敌军坦克int num = 10 ;//敌军坦克数量,不能修改int[] xf = new int[num] ;int[] yf = new int[num] ;int[] opf = new int[num] ;int[] dxf = new int[num] ;int[] dyf = new int[num] ;int[] dxf1 = new int[num] ;int[] dyf1 = new int[num] ;int[] dxf2 = new int[num] ;int[] dyf2 = new int[num] ;int[] dxf3 = new int[num] ;int[] dyf3 = new int[num] ;int[] dxf4 = new int[num] ;int[] dyf4 = new int[num] ;//构造函数，初始化敌军坦克的位置和状态MyTank() {for (int i = 0; i<num; i++) {xf[i] = (int) (Math.random() * 560) ; yf[i] = (int) (Math.random() * 560) ; dxf[i] = xf[i] + 15 ;dyf[i] = yf[i] + 15 ;}for (int i = 0; i<num; i++) {dxf1[i] = 295 ; dyf1[i] = -10 ;dxf2[i] = 600 ; dyf2[i] = 295 ;dxf3[i] = 295 ; dyf3[i] = 600 ;dxf4[i] = -10 ; dyf4[i] = 295 ;}}//主面版public void paint(Graphics g) { super.paint(g) ;this.setBackground(Color.YELLOW) ;g.setColor(Color.red) ;g.drawString("生命:" , 10 , 20 ) ;g.fillRect(50 , 10 , shengming * 5 , 10) ;g.drawRect(50 , 10 , 500 , 10) ;g.drawString("得分: "+ fenshu , 10 , 40) ;if(op == 1) {g.setColor(Color.red) ;g.fillRect(x , y , 40 , 40) ;switch (color % 6) {case 0: g.setColor(Color.blue) ; break; case 1: g.setColor(Color.yellow) ; break; case 2: g.setColor(Color.red) ; break;case 3: g.setColor(Color.orange) ; break; case 4: g.setColor(Color.green) ; break; case 5: g.setColor(Color.black) ; break; }g.fillOval(x - 5 , y - 5 , 10 , 10) ;g.fillOval(x - 5 , y + 5 , 10 , 10) ;g.fillOval(x - 5 , y + 15 , 10 , 10) ;g.fillOval(x - 5 , y + 25 , 10 , 10) ;g.fillOval(x - 5 , y + 35 , 10 , 10) ;g.fillOval(x + 35 , y - 5 , 10 , 10) ;g.fillOval(x + 35 , y + 5 , 10 , 10) ;g.fillOval(x + 35 , y + 15 , 10 , 10) ;g.fillOval(x + 35 , y + 25 , 10 , 10) ;g.fillOval(x + 35 , y + 35 , 10 , 10) ;g.setColor(Color.black) ;g.fillRect(x + 15 , y - 20 , 10 , 40) ;switch (color % 20) {case 0: g.setColor(Color.white) ; break; case 1: g.setColor(Color.white) ; break; case 2: g.setColor(Color.white) ; break; case 3: g.setColor(Color.white) ; break; case 4: g.setColor(Color.white) ; break; case 5: g.setColor(Color.white) ; break; case 6: g.setColor(Color.white) ; break;case 7: g.setColor(Color.white) ; break;case 8: g.setColor(Color.white) ; break;case 9: g.setColor(Color.white) ; break;case 10: g.setColor(Color.black) ; break;case 11: g.setColor(Color.black) ; break;case 12: g.setColor(Color.black) ; break;case 13: g.setColor(Color.black) ; break;case 14: g.setColor(Color.black) ; break;case 15: g.setColor(Color.black) ; break;case 16: g.setColor(Color.black) ; break;case 17: g.setColor(Color.black) ; break;case 18: g.setColor(Color.black) ; break;case 19: g.setColor(Color.black) ; break; }g.fillOval(x + 5 , y + 30 , 10 , 10) ;g.fillOval(x + 25 , y + 30 , 10 , 10) ;}if(op == 2) {g.setColor(Color.green) ;g.fillRect(x , y , 40 , 40) ;switch (color % 6) {case 0: g.setColor(Color.blue) ; break;case 1: g.setColor(Color.yellow) ; break;case 2: g.setColor(Color.red) ; break;case 3: g.setColor(Color.orange) ; break;case 4: g.setColor(Color.green) ; break;case 5: g.setColor(Color.black) ; break;}g.fillOval(x - 5 , y - 5 , 10 , 10) ;g.fillOval(x + 5 , y - 5 , 10 , 10) ;g.fillOval(x + 15 , y - 5 , 10 , 10) ;g.fillOval(x + 25 , y - 5 , 10 , 10) ;g.fillOval(x + 35 , y - 5 , 10 , 10) ;g.fillOval(x - 5 , y+35 , 10 , 10) ;g.fillOval(x + 5 , y+35 , 10 , 10) ;g.fillOval(x + 15 , y+35 , 10 , 10) ;g.fillOval(x + 25 , y+35 , 10 , 10) ;g.fillOval(x + 35 , y+35 , 10 , 10) ;g.setColor(Color.black) ;g.fillRect(x + 20 , y + 15 , 40 , 10) ;switch (color % 20) {case 0: g.setColor(Color.white) ; break;case 1: g.setColor(Color.white) ; break;case 2: g.setColor(Color.white) ; break;case 3: g.setColor(Color.white) ; break;case 4: g.setColor(Color.white) ; break;case 5: g.setColor(Color.white) ; break;case 6: g.setColor(Color.white) ; break;case 7: g.setColor(Color.white) ; break;case 8: g.setColor(Color.white) ; break;case 9: g.setColor(Color.white) ; break;case 10: g.setColor(Color.black) ; break;case 11: g.setColor(Color.black) ; break;case 12: g.setColor(Color.black) ; break;case 13: g.setColor(Color.black) ; break;case 14: g.setColor(Color.black) ; break;case 15: g.setColor(Color.black) ; break;case 16: g.setColor(Color.black) ; break;case 17: g.setColor(Color.black) ; break;case 18: g.setColor(Color.black) ; break;case 19: g.setColor(Color.black) ; break; }g.fillOval(x , y + 5 , 10 , 10) ;g.fillOval(x , y + 25 , 10 , 10) ;}if(op == 3) {g.setColor(Color.blue) ;g.fillRect(x , y , 40 , 40) ;switch (color % 6) {case 0: g.setColor(Color.blue) ; break;case 1: g.setColor(Color.yellow) ; break;case 2: g.setColor(Color.red) ; break;case 3: g.setColor(Color.orange) ; break;case 4: g.setColor(Color.green) ; break;case 5: g.setColor(Color.black) ; break;}g.fillOval(x - 5 , y - 5 , 10 , 10) ;g.fillOval(x - 5 , y + 5 , 10 , 10) ;g.fillOval(x - 5 , y + 15 , 10 , 10) ;g.fillOval(x - 5 , y + 25 , 10 , 10) ;g.fillOval(x - 5 , y + 35 , 10 , 10) ;g.fillOval(x + 35 , y - 5 , 10 , 10) ;g.fillOval(x + 35 , y + 5 , 10 , 10) ;g.fillOval(x + 35 , y + 15 , 10 , 10) ;g.fillOval(x + 35 , y + 25 , 10 , 10) ;g.fillOval(x + 35 , y + 35 , 10 , 10) ;g.setColor(Color.black) ;g.fillRect(x + 15 , y + 20 , 10 , 40) ;switch (color % 20) {case 0: g.setColor(Color.white) ; break;case 1: g.setColor(Color.white) ; break;case 2: g.setColor(Color.white) ; break;case 3: g.setColor(Color.white) ; break;case 4: g.setColor(Color.white) ; break;case 5: g.setColor(Color.white) ; break;case 6: g.setColor(Color.white) ; break;case 7: g.setColor(Color.white) ; break;case 8: g.setColor(Color.white) ; break;case 9: g.setColor(Color.white) ; break;case 10: g.setColor(Color.black) ; break;case 11: g.setColor(Color.black) ; break;case 12: g.setColor(Color.black) ; break;case 13: g.setColor(Color.black) ; break;case 14: g.setColor(Color.black) ; break;case 15: g.setColor(Color.black) ; break;case 16: g.setColor(Color.black) ; break;case 17: g.setColor(Color.black) ; break;case 18: g.setColor(Color.black) ; break;case 19: g.setColor(Color.black) ; break; }g.fillOval(x + 5 , y , 10 , 10) ;g.fillOval(x + 25 , y , 10 , 10) ;}if(op == 4) {g.setColor(Color.yellow) ;g.fillRect(x , y , 40 , 40) ;switch (color % 6) {case 0: g.setColor(Color.blue) ; break;case 1: g.setColor(Color.yellow) ; break;case 2: g.setColor(Color.red) ; break;case 3: g.setColor(Color.orange) ; break;case 4: g.setColor(Color.green) ; break;case 5: g.setColor(Color.black) ; break;}g.fillOval(x - 5 , y - 5 , 10 , 10) ;g.fillOval(x + 5 , y - 5 , 10 , 10) ;g.fillOval(x + 15 , y - 5 , 10 , 10) ;g.fillOval(x + 25 , y - 5 , 10 , 10) ;g.fillOval(x + 35 , y - 5 , 10 , 10) ;g.fillOval(x - 5 , y+35 , 10 , 10) ;g.fillOval(x + 5 , y+35 , 10 , 10) ;g.fillOval(x + 15 , y+35 , 10 , 10) ;g.fillOval(x + 25 , y+35 , 10 , 10) ;g.fillOval(x + 35 , y+35 , 10 , 10) ;g.setColor(Color.black) ;g.fillRect(x - 20 , y + 15 , 40 , 10) ;switch (color % 20) {case 0: g.setColor(Color.white) ; break;case 1: g.setColor(Color.white) ; break;case 2: g.setColor(Color.white) ; break;case 3: g.setColor(Color.white) ; break;case 4: g.setColor(Color.white) ; break;case 5: g.setColor(Color.white) ; break;case 6: g.setColor(Color.white) ; break;case 7: g.setColor(Color.white) ; break;case 8: g.setColor(Color.white) ; break;case 9: g.setColor(Color.white) ; break;case 10: g.setColor(Color.black) ; break;case 11: g.setColor(Color.black) ; break;case 12: g.setColor(Color.black) ; break;case 13: g.setColor(Color.black) ; break;case 14: g.setColor(Color.black) ; break;case 15: g.setColor(Color.black) ; break;case 16: g.setColor(Color.black) ; break;case 17: g.setColor(Color.black) ; break;case 18: g.setColor(Color.black) ; break;case 19: g.setColor(Color.black) ; break; }g.fillOval(x + 30 , y + 5 , 10 , 10) ;g.fillOval(x + 30 , y + 25 , 10 , 10) ;}g.setColor(Color.black) ;g.fillOval(dx , dy , 10 , 10) ;g.fillOval(dx1 , dy1 , 10 , 10) ;g.fillOval(dx2 , dy2 , 10 , 10) ;g.fillOval(dx3 , dy3 , 10 , 10) ;g.fillOval(dx4 , dy4 , 10 , 10) ;for (int i = 0; i<num; i++) {if(opf[i] == 1) {g.fillRect(xf[i] , yf[i] , 40 , 40) ;g.fillOval(xf[i] - 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] - 5 , yf[i] + 5 , 10 , 10) ; g.fillOval(xf[i] - 5 , yf[i] + 15 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 25 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 15 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 25 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 35 , 10 , 10) ;g.fillRect(xf[i] + 15 , yf[i] - 20 , 10 , 40) ;g.fillOval(xf[i] + 5 , yf[i] + 30 , 10 , 10) ;g.fillOval(xf[i] + 25 , yf[i] + 30 , 10 , 10) ; }if(opf[i] == 2) {g.fillRect(xf[i] , yf[i] , 40 , 40) ;g.fillOval(xf[i] - 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] + 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] + 15 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 25 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 15 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 35 , 10 , 10) ;g.fillRect(xf[i] + 20 , yf[i] + 15 , 40 , 10) ;g.fillOval(xf[i] , yf[i] + 5 , 10 , 10) ;g.fillOval(xf[i] , yf[i] + 25 , 10 , 10) ;}if(opf[i] == 3) {g.fillRect(xf[i] , yf[i] , 40 , 40) ;g.fillOval(xf[i] - 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] - 5 , yf[i] + 5 , 10 , 10) ; g.fillOval(xf[i] - 5 , yf[i] + 15 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 25 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 15 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 25 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 35 , 10 , 10) ;g.fillRect(xf[i] + 15 , yf[i] + 20 , 10 , 40) ;g.fillOval(xf[i] + 5 , yf[i] , 10 , 10) ;g.fillOval(xf[i] + 25 , yf[i] , 10 , 10) ;}if(opf[i] == 4) {g.fillRect(xf[i] , yf[i] , 40 , 40) ;g.fillOval(xf[i] - 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] + 5 , yf[i] - 5 , 10 , 10) ; g.fillOval(xf[i] + 15 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 25 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] - 5 , 10 , 10) ;g.fillOval(xf[i] - 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 5 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 25 , yf[i] + 35 , 10 , 10) ;g.fillOval(xf[i] + 35 , yf[i] + 35 , 10 , 10) ;g.fillRect(xf[i] - 20 , yf[i] + 15 , 40 , 10) ;g.fillOval(xf[i] + 30 , yf[i] + 5 , 10 , 10) ;g.fillOval(xf[i] + 30 , yf[i] + 25 , 10 , 10) ; }g.fillOval(dxf1[i] , dyf1[i] , 10 , 10 ) ;g.fillOval(dxf2[i] , dyf2[i] , 10 , 10 ) ;g.fillOval(dxf3[i] , dyf3[i] , 10 , 10 ) ;g.fillOval(dxf4[i] , dyf4[i] , 10 , 10 ) ;}}public void keyTyped(KeyEvent e) {}//键盘控制坦克的移动，发弹public void keyPressed(KeyEvent e) {color ++ ;if(e.getKeyCode() == KeyEvent.VK_UP) {op = 1 ;y = y - tankspeed ;dy = dy - tankspeed ;if(y <= 0) {y = y + tankspeed ;dy = dy + tankspeed ;}}if(e.getKeyCode() == KeyEvent.VK_RIGHT) {op = 2 ;x = x + tankspeed ;dx = dx + tankspeed ;if(x >= 560) {x = x - tankspeed ;dx = dx - tankspeed ;}}if(e.getKeyCode() == KeyEvent.VK_DOWN) {op = 3 ;y = y + tankspeed ;dy = dy + tankspeed ;if(y >= 560) {y = y - tankspeed ;dy = dy - tankspeed ;}}if(e.getKeyCode() == KeyEvent.VK_LEFT) { op = 4 ;x = x - tankspeed ;dx = dx - tankspeed ;if(x <= 0) {x = x + tankspeed ;dx = dx + tankspeed ;}}if(e.getKeyCode() == KeyEvent.VK_SPACE) { if(op == 1) {dx1 = dx ; dy1 = dy ;}if(op == 2) {dx2 = dx ; dy2 = dy ;}if(op == 3) {dx3 = dx ; dy3 = dy ;}if(op == 4) {dx4 = dx ; dy4 = dy ;}}this.repaint() ;}public void keyReleased(KeyEvent e) {}public void run() {for (int a = 0; a<60000; a++) {dy1 = dy1 - tankbullet ;dx2 = dx2 + tankbullet ;dy3 = dy3 + tankbullet ;dx4 = dx4 - tankbullet ;for (int i = 0; i<num; i++) {dyf1[i] = dyf1[i] - tankfbullet ;dxf2[i] = dxf2[i] + tankfbullet ;dyf3[i] = dyf3[i] + tankfbullet ;dxf4[i] = dxf4[i] - tankfbullet ;}//判断是否被击中for (int i = 0; i<num; i++) {if(dyf1[i]<y + 38 &&dyf1[i]>y +8 && dxf1[i]-x>-10 && dxf1[i]-x<40) { System.out.println ("被1击中") ;dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ;shengming = shengming - nandu ;}if(dxf2[i]>x+2 &&dxf2[i]<x+32 &&dyf2[i] - y >-10 && dyf2[i] - y <40 ) { System.out.println ("被2击中") ;dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ;shengming = shengming - nandu ;}if(dyf3[i]>y+2 && dyf3[i]< y+32 && dxf3[i]-x >-10&& dxf3[i]-x<40) { System.out.println ("被3击中") ;dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ;shengming = shengming - nandu ;}if(dxf4[i]>x+8 &&dxf4[i]<x+38 &&dyf4[i] - y >-10 && dyf4[i] - y <40 ) { System.out.println ("被4击中") ;dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ;shengming = shengming - nandu ;}}//判断是否击中敌军for (int i = 0; i<num; i++) {if(dy1<yf[i] + 38 &&dy1>yf[i] +8 && dx1-xf[i]>-10 && dx1-xf[i]<40) { System.out.println ("1击中") ;fenshu = fenshu + 100 ;xf[i] = (int)(Math.random() * 560 );yf[i] = (int)(Math.random() * 560 );}if(dx2>xf[i]+2 &&dx2<xf[i]+32 &&dy2 - yf[i] >-10 && dy2 - yf[i] <40 ) { System.out.println ("2击中") ;fenshu = fenshu + 100 ;xf[i] = (int)(Math.random() * 560 );yf[i] = (int)(Math.random() * 560 );}if(dy3>yf[i]+2 && dy3< yf[i]+32 && dx3-xf[i] >-10&& dx3-xf[i]<40) { System.out.println ("3击中") ;fenshu = fenshu + 100 ;xf[i] = (int)(Math.random() * 560 );yf[i] = (int)(Math.random() * 560 );}if(dx4>xf[i]+8 &&dx4<xf[i]+38 &&dy4 - yf[i] >-10 && dy4 - yf[i] <40 ) { System.out.println ("4击中") ;fenshu = fenshu + 100 ;xf[i] = (int)(Math.random() * 560 );yf[i] = (int)(Math.random() * 560 );}dxf[i] = xf[i] + 15 ;dyf[i] = yf[i] + 15 ;}//坦克的移动for (int i = 0; i<num; i++) {switch (opf[i]) {case 1:{yf[i]-- ;dyf[i] -- ;for (int s = 0; s<num; s++) {if(yf[i] <= 0) {yf[i] ++ ;dyf[i] ++ ;}}break;}case 2:{xf[i]++ ;dxf[i]++ ;for (int s = 0; s<num; s++) { if(xf[i] >= 560){xf[i] -- ;dxf[i] -- ;}}break;}case 3:{yf[i]++ ;dyf[i]++ ;for (int s = 0; s<num ; s++) { if(yf[i] >= 560){yf[i] -- ;dyf[i] -- ;}}break;}case 4:{xf[i]-- ;dxf[i]-- ;for (int s = 0; s<num; s++) { if(xf[i] <= 0){xf[i] ++ ;dxf[i] ++ ;}}break;}}}try{Thread.sleep(20) ;}catch(Exception e) {e.printStackTrace() ;}//坦克的开火if(a % 50 == 5) {if(Math.random()>0.5){for (int i = 0; i<2; i++) {if(opf[i] == 1) {dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ; }if(opf[i] == 2) {dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ; }if(opf[i] == 3) {dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ; }if(opf[i] == 4) {dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ; }}}}if(a % 50 == 15) {if(Math.random()>0.5) {for (int i = 2; i<4; i++) {if(opf[i] == 1) {dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ; }if(opf[i] == 2) {dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ; }if(opf[i] == 3) {dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ; }if(opf[i] == 4) {dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ; }}}}if(a % 50 == 25) {if(Math.random()>0.5){for (int i = 4; i<6; i++) {if(opf[i] == 1) {dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ; }if(opf[i] == 2) {dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ; }if(opf[i] == 3) {dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ; }if(opf[i] == 4) {dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ; }}}}if(a % 50 == 35) {if(Math.random()>0.5){for (int i = 6; i<8; i++) {if(opf[i] == 1) {dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ; }if(opf[i] == 2) {dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ; }if(opf[i] == 3) {dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ; }if(opf[i] == 4) {dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ; }}}}if(a % 50 == 45) {if(Math.random()>0.5) {for (int i = 8; i<10; i++) {if(opf[i] == 1) {dxf1[i] = dxf[i] ; dyf1[i] = dyf[i] ; }if(opf[i] == 2) {dxf2[i] = dxf[i] ; dyf2[i] = dyf[i] ; }if(opf[i] == 3) {dxf3[i] = dxf[i] ; dyf3[i] = dyf[i] ; }if(opf[i] == 4) {dxf4[i] = dxf[i] ; dyf4[i] = dyf[i] ; }}}}//坦克的随机移动if(a % 50 == 1 ) {for (int i = 0; i<2; i++) {if( Math.random() > 0.5 ) {if(Math.random() > 0.5){opf[i] = 1 ;}else{opf[i] = 2 ;}}else{if(Math.random() > 0.5){opf[i] = 3 ;}else{opf[i] = 4 ;}}}}if(a % 50 == 11 ) {//坦克的随机移动for (int i = 2; i<4; i++) {if( Math.random() > 0.5 ) {if(Math.random() > 0.5){opf[i] = 1 ;}else{}}else{if(Math.random() > 0.5){ opf[i] = 3 ;}else{opf[i] = 4 ;}}}}if(a % 50 == 21 ) {//坦克的随机移动for (int i = 4; i<6; i++) { if( Math.random() > 0.5 ) { if(Math.random() > 0.5){ opf[i] = 1 ;}else{opf[i] = 2 ;}}else{if(Math.random() > 0.5){ opf[i] = 3 ;}else{opf[i] = 4 ;}}}}if(a % 50 == 31 ) {//坦克的随机移动for (int i = 6; i<8; i++) { if( Math.random() > 0.5 ) { if(Math.random() > 0.5){ opf[i] = 1 ;}else{opf[i] = 2 ;}}else{if(Math.random() > 0.5){ opf[i] = 3 ;}else{}}}}if(a % 50 == 41 ) {//坦克的随机移动for (int i = 8; i<10; i++) {if( Math.random() > 0.5 ) {if(Math.random() > 0.5){opf[i] = 1 ;}else{opf[i] = 2 ;}}else{if(Math.random() > 0.5){opf[i] = 3 ;}else{opf[i] = 4 ;}}}}//重画if(shengming<=0){//弹出player1胜利对话框JOptionPane.showMessageDialog(null,"你结束了!!!","Game Over !", JOptionPane.ERROR_MESSAGE); //结束游戏System.exit(0) ;}this.repaint() ;}}}。