import javax.sound.midi.Soundbank;
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.List;
public class TankClient extends JFrame {
public static final int GAME_WIDTH = 800;
public static final int GAME_HEIGHT = 600;
public TankClient(){
setDefaultCloseOperation(EXIT_ON_CLOSE);
setSize(GAME_WIDTH,GAME_HEIGHT);
setLocationRelativeTo(null);
setResizable(false);
setBackground(Color.GREEN);
addKeyListener(new KeyMonitor());
setVisible(true);
new Thread(new PaintThread()).start();
}
Tank t1 = new Tank(50,50,this);
List<PaoDan> paodans = new ArrayList<>();
@Override
public void paint(Graphics g){
t1.draw(g);
g.drawString("已发射炮弹数量:" + paodans.size(),10,50);
for(int i = 0;i < paodans.size();i++){
PaoDan m = paodans.get(i);
m.draw(g);
}
}
private class PaintThread implements Runnable{
@Override
public void run() {
while (true){
repaint();
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
Image a = null;
@Override
public void update(Graphics g){
if(a == null){
a = this.createImage(GAME_WIDTH,GAME_HEIGHT);
}
Graphics g1 = a.getGraphics();
Color c = g1.getColor();
g1.setColor(Color.green);
g1.fillRect(0,0,GAME_WIDTH,GAME_HEIGHT);
g1.setColor(c);
paint(g1);
g.drawImage(a,0,0,null);
}
@Override
public void repaint(){
super.repaint();
update(getGraphics());
}
private class KeyMonitor extends KeyAdapter{
@Override
public void keyPressed(KeyEvent e){
t1.tankRun(e);
}
@Override
public void keyReleased(KeyEvent e) {
super.keyReleased(e);
t1.keyReleased(e);
}
}
public static void main(String[] args) {
new TankClient();
}
}
import java.awt.*;
public class PaoDan {
static final int PAODAN_SPEED = 10;
static final int WIDTH = 10;
static final int HEIGHT = 10;
int x;
int y;
Tank.Direction dir;
public PaoDan(int x,int y ,Tank.Direction dir){
this.x = x;
this.y = y;
this.dir = dir;
}
public void draw(Graphics g){
Color c = g.getColor();
g.setColor(Color.BLUE);
g.fillOval(x + Tank.WIDTH/2 - this.WIDTH/2,y + Tank.HEIGHT/2 - this.HEIGHT/2, WIDTH, HEIGHT);
g.setColor(c);
move();
}
private void move() {
switch (dir){
case u: y -= PAODAN_SPEED;
break;
case d: y += PAODAN_SPEED;
break;
case l: x -= PAODAN_SPEED;
break;
case r: x += PAODAN_SPEED;
break;
case lu: x -= PAODAN_SPEED;y -= PAODAN_SPEED;
break;
case ru: y -= PAODAN_SPEED; x += PAODAN_SPEED;
break;
case ld: y += PAODAN_SPEED; x -= PAODAN_SPEED;
break;
case rd: x += PAODAN_SPEED; y += PAODAN_SPEED;
break;
}
}
}
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.lang.invoke.SwitchPoint;
public class Tank {
private static final int TANK_SPEED = 5;
boolean bu = false,bd = false,bl = false,br = false;
static final int WIDTH = 50;
static final int HEIGHT = 50;
TankClient tc;
enum Direction {u,d,l,r,lu,ld,ru,rd,stop;};
private Direction ptdir = Direction.r;
private Direction dir = Direction.stop;
int x;
int y;
public void move(){
switch (dir){
case u: y -= TANK_SPEED;
break;
case d: y += TANK_SPEED;
break;
case l: x -= TANK_SPEED;
break;
case r: x += TANK_SPEED;
break;
case lu: x -= TANK_SPEED;y -= TANK_SPEED;
break;
case ru: y -= TANK_SPEED; x += TANK_SPEED;
break;
case ld: y += TANK_SPEED; x -= TANK_SPEED;
break;
case rd: x += TANK_SPEED; y += TANK_SPEED;
break;
case stop:
break;
}
if(this.dir != Direction.stop){
this.ptdir = this.dir;
}
}
public Tank(int x, int y,TankClient tc) {
this.x = x;
this.y = y;
this.tc = tc;
}
public void draw(Graphics g) {
Color c = g.getColor();
g.setColor(Color.RED);
g.fillOval(x, y, WIDTH, HEIGHT);
g.setColor(c);
switch (ptdir){
case u: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x + WIDTH/2,y-10);
break;
case d: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x + WIDTH/2,y + HEIGHT+10);
break;
case l: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x-10,y+HEIGHT/2);
break;
case r: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x + WIDTH+10,y+HEIGHT/2);
break;
case lu: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x,y);
break;
case ru: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x+WIDTH,y);
break;
case ld: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x,y+HEIGHT);
break;
case rd: g.drawLine(x + WIDTH /2,y +HEIGHT/2,x+WIDTH,y+HEIGHT);
break;
}
move();
}
public void tankRun(KeyEvent e){
int key = e.getKeyCode();
switch (key){
case KeyEvent.VK_RIGHT: br = true;
break;
case KeyEvent.VK_LEFT: bl = true;
break;
case KeyEvent.VK_UP: bu = true;
break;
case KeyEvent.VK_DOWN: bd = true;
break;
}
locateDirection();
}
public void keyReleased(KeyEvent e) {
int key = e.getKeyCode();
switch (key) {
case KeyEvent.VK_CONTROL:
tc.paodans.add(fire());
break;
case KeyEvent.VK_RIGHT:
br = false;
break;
case KeyEvent.VK_LEFT:
bl = false;
break;
case KeyEvent.VK_UP:
bu = false;
break;
case KeyEvent.VK_DOWN:
bd = false;
break;
}
locateDirection();
}
public void locateDirection(){
if(!br && !bl && !bd && bu){
dir = Direction.u;
}
else if(br && !bl && !bd && !bu){
dir = Direction.r;
}
else if(!br && bl && !bd && !bu){
dir = Direction.l;
}
else if(!br && !bl && bd && !bu){
dir = Direction.d;
}
else if(br && !bl && bd && !bu){
dir = Direction.rd;
}
else if(!br && bl && bd && !bu){
dir = Direction.ld;
}
else if(br && !bl && !bd && bu){
dir = Direction.ru;
}
else if(!br && bl && !bd && bu){
dir = Direction.lu;
}
else if(!br && !bl && !bd && !bu){
dir = Direction.stop;
}
}
public PaoDan fire(){
PaoDan m = new PaoDan(this.x,this.y,ptdir);
return m;
}
}
