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對，我正在開發一個新的2d /自上而下的Java遊戲。最近，我一直在教自己如何在Java中編碼，但我確實有一個問題...我的窗口中有一個框，我可以用W，A，S和D鍵移動。我想知道的是如何用圖像替換黑盒子（後來擔心動畫）。這裏是我的代碼（順便說一句，這個代碼也是遊戲引擎）。 另外這裏是我想要添加的圖像Player image如何將「播放器圖像」添加到Java中？
如果任何人都可以幫助我，將不勝感激。謝謝。
Game.java
import java.awt.event.KeyListener;
import javax.swing.JFrame;
import javax.swing.*;
public class Game {
private final JFrame window = new JFrame();
private final ScreenFactory screenFactory;
private final GameThread gameThread;
private final KeyboardListener keyboardListener;
private final MousepadListener mousepadListener;
public Game(int windowX, int windowY, String title){
window.setSize(windowX, windowY);
window.setResizable(false);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setFocusable(true);
window.setLocationRelativeTo(null);
window.setTitle("2D Game");
window.setVisible(true);
screenFactory = new ScreenFactory(this);
gameThread = new GameThread(this);
keyboardListener = new KeyboardListener();
mousepadListener = new MousepadListener();
window.add(gameThread);
window.addKeyListener(keyboardListener);
window.addMouseListener(mousepadListener);
new Thread(gameThread).start();
}
public MousepadListener getMousepadListener(){
return mousepadListener;
}
public KeyboardListener getKeyboardListener(){
return keyboardListener;
}
public ScreenFactory getScreenFactory(){
return screenFactory;
}
public JFrame getWindow(){
return window;
}
}
GameThread.java
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.JPanel;
public class GameThread extends JPanel implements Runnable{
private final Game game;
public GameThread(Game game){
this.game = game;
setFocusable(true);
}
public void run() {
while (true){
try {
if(game.getScreenFactory().getCurrentScreen() !=null)
game.getScreenFactory().getCurrentScreen().onUpdate();
Thread.sleep(10);
} catch (Exception e){
e.printStackTrace();
}
}
}
public void paint (Graphics g){
super.paint(g);
Graphics2D g2d = (Graphics2D) g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if(game.getScreenFactory().getCurrentScreen() !=null)
game.getScreenFactory().getCurrentScreen() .onDraw(g2d);
repaint();
}
}
Screen.java
import java.awt.Graphics2D;
public abstract class Screen {
private final ScreenFactory screenFactory;
public Screen(ScreenFactory screenFactory){
this.screenFactory = screenFactory;
}
public abstract void onCreate();
public abstract void onUpdate();
public abstract void onDraw(Graphics2D g2d);
public ScreenFactory getScreenFactory(){
return screenFactory;
}
}
ScreenFactory.java
public class ScreenFactory {
private final Game game;
private Screen screen;
public ScreenFactory(Game game){
this.game = game;
}
public void showScreen(Screen screen){
this.screen = screen;
this.screen.onCreate();
}
public Screen getCurrentScreen(){
return screen;
}
public Game getGame(){
return game;
}
}
KeyboardListener
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class KeyboardListener implements KeyListener {
private boolean[]keys = new boolean[256];
@Override
public void keyPressed(KeyEvent event) {
keys[event.getKeyCode()] = true;
}
@Override
public void keyReleased(KeyEvent event) {
keys[event.getKeyCode()] = false;
}
@Override
public void keyTyped(KeyEvent event) {
}
public boolean isKeyPressed(int key){
return keys[key];
}
public boolean isKeyReleased(int key){
return !keys[key];
}
}
MousepadListener.java
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
public class MousepadListener implements MouseListener{
private int mouseX, mouseY;
private boolean clicked;
@Override
public void mouseClicked(MouseEvent event) {
mouseX = event.getX();
mouseY = event.getY();
clicked = true;
}
@Override
public void mouseEntered(MouseEvent event) {
}
@Override
public void mouseExited(MouseEvent event) {
}
@Override
public void mousePressed(MouseEvent event) {
mouseClicked(event);
clicked = true;
}
@Override
public void mouseReleased(MouseEvent event) {
clicked = false;
}
public boolean isMousePressed(){
return clicked;
}
public int getX(){
return mouseX;
}
public int getY(){
return mouseY;
}
}
TheGame
public class TheGame {
private Game game;
public TheGame(){
game = new Game(1280, 720, "2D Game");
game.getScreenFactory()
.showScreenMy(newScreen(game.getScreenFactory()));
}
public static void main(String[] args){
new TheGame();
}
}
自選
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.event.KeyEvent;
public class MyScreen extends Screen{
private int x = 0, y = 0;
public MyScreen(ScreenFactory screenFactory){
super(screenFactory);
}
@Override
public void onCreate() {
System.out.println("Creating!...");
}
@Override
public void onUpdate() {
if (getScreenFactory()
.getGame().getKeyboardListener().isKeyPressed(KeyEvent.VK_A))
x -= 2;
if (getScreenFactory()
.getGame().getKeyboardListener().isKeyPressed(KeyEvent.VK_D))
x += 2;
if (getScreenFactory()
.getGame().getKeyboardListener().isKeyPressed(KeyEvent.VK_W))
y -= 2;
if (getScreenFactory()
.getGame().getKeyboardListener().isKeyPressed(KeyEvent.VK_S))
y += 2;
if (y >= 720 - 72)
y = 720 - 72;
if (y <= 0)
y = 0;
if (x >= 1280 - 72)
x = 1280 - 72;
if (x <= 0)
x = 0;
}
@Override
public void onDraw(Graphics2D g2d) {
g2d.setColor(Color.black);
g2d.fillRect(x, y, 72, 72);
}
}
一般來說，不要用swing來編碼遊戲 – Natecat
這已被詢問1000次im確定womeone會回答它爲什麼不繼續通過四處尋找答案來教育自己？ – gpasch
我想如何知道有人問過這個1000？ – ZOulhadj