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| import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.io.IOException; import java.util.Iterator; import java.util.Vector;
public class MyPanel extends JPanel implements KeyListener, Runnable { private Hero hero; private Vector<Enemy> enemies = new Vector<>(); private Vector<Bomb> bombs = new Vector<>(); private int enemyAmount = 3; private Image image1 = ImageIO.read(getClass().getResourceAsStream("image/爆炸一.png")); private Image image2 = ImageIO.read(getClass().getResourceAsStream("image/爆炸二.png")); private Image image3 = ImageIO.read(getClass().getResourceAsStream("image/爆炸三.png"));
public MyPanel() throws IOException { hero = new Hero(500, 200); hero.setSpeed(2); for (int i = 0; i < enemyAmount; i++) { Enemy enemy = new Enemy(100 * (i + 1), 100 * (i + 1)); enemy.setDirect(1); enemy.setSpeed(1); enemies.add(enemy); } for (Enemy enemy : enemies) { new Thread(enemy).start(); } }
@Override public void paint(Graphics g) { super.paint(g); g.fillRect(0, 0, 1000, 750); if (hero.isLive()) drawTank(hero.getX(), hero.getY(), g, hero.getDirect(), 0); for (Enemy enemy : enemies) { if (enemy != null && enemy.isLive()) drawTank(enemy.getX(), enemy.getY(), g, enemy.getDirect(), 1); } drawShots(hero, g, 0); for (Enemy enemy : enemies) { drawShots(enemy, g, 1); } hitTank(); drawBombs(g); } public void createBombs(int x, int y) { for (int i = 0; i < 3; i++) { bombs.add(new Bomb(x, y)); } } public void hitTank(){ Iterator<Enemy> iterator = enemies.iterator(); while (iterator.hasNext()) { Enemy enemy = iterator.next(); if (enemy.isHit(hero)) { hero.setLive(false); createBombs(hero.getX(), hero.getY()); } if (hero.isHit(enemy)) { enemy.setLive(false); createBombs(enemy.getX(), enemy.getY()); iterator.remove(); } } }
public void drawBombs(Graphics g) { Iterator<Bomb> iterator2 = bombs.iterator(); while (iterator2.hasNext()) { Bomb bomb = iterator2.next(); new Thread(bomb); if (bomb.getLife() > 6) g.drawImage(image1, bomb.getX(), bomb.getY(), 60, 60, this); else if (bomb.getLife() > 3) g.drawImage(image2, bomb.getX(), bomb.getY(), 60, 60, this); else g.drawImage(image3, bomb.getX(), bomb.getY(), 60, 60, this); if (!bomb.isLive()) iterator2.remove(); } }
public void drawShots(Tank tank, Graphics g, int type) { for (Shot shot : tank.getShots()) { if (type == 0) g.setColor(Color.yellow); else g.setColor(Color.cyan); g.fill3DRect(shot.getX(), shot.getY(), 3, 3, false); } }
public void drawTank(int x, int y, Graphics g, int direct, int type) { switch (type) { case 0: g.setColor(Color.yellow); break; case 1: g.setColor(Color.cyan); break; } switch (direct) { case 0: g.fill3DRect(x, y, 10, 60, false); g.fill3DRect(x + 30, y, 10, 60, false); g.fill3DRect(x + 10, y + 10, 20, 40, false); g.fillOval(x + 10, y + 20, 20, 20); g.drawLine(x + 20, y, x + 20, y + 30); break; case 1: g.fill3DRect(x, y, 10, 60, false); g.fill3DRect(x + 30, y, 10, 60, false); g.fill3DRect(x + 10, y + 10, 20, 40, false); g.fillOval(x + 10, y + 20, 20, 20); g.drawLine(x + 20, y + 30, x + 20, y + 60); break; case 2: g.fill3DRect(x, y, 60, 10, false); g.fill3DRect(x, y + 30, 60, 10, false); g.fill3DRect(x + 10, y + 10, 40, 20, false); g.fillOval(x + 20, y + 10, 20, 20); g.drawLine(x, y + 20, x + 30, y + 20); break; case 3: g.fill3DRect(x, y, 60, 10, false); g.fill3DRect(x, y + 30, 60, 10, false); g.fill3DRect(x + 10, y + 10, 40, 20, false); g.fillOval(x + 20, y + 10, 20, 20); g.drawLine(x + 30, y + 20, x + 60, y + 20); break; } }
@Override public void keyTyped(KeyEvent e) { }
@Override public void keyPressed(KeyEvent e) { int d = e.getKeyCode(); switch (d) { case KeyEvent.VK_W: hero.setDirect(0); hero.moveUp(); break; case KeyEvent.VK_S: hero.setDirect(1); hero.moveDown(); break; case KeyEvent.VK_A: hero.setDirect(2); hero.moveLeft(); break; case KeyEvent.VK_D: hero.setDirect(3); hero.moveRight(); break; case KeyEvent.VK_J: hero.shoot(); break; } this.repaint(); }
@Override public void keyReleased(KeyEvent e) { }
@Override public void run() { while (true) { this.repaint(); try { Thread.sleep(100); } catch (InterruptedException e) { throw new RuntimeException(e); } } } }
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