Java课程设计（双人对战游戏）持续更新......

少废话，当然借助了ai，就这么个实力，后续会逐渐完善......

考虑添加以下功能：

选将，选图，技能，天赋，道具，防反，反重力，物理反弹，击落，计分，粒子效果，打击感加强，陷阱，逃杀......

package game;import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.ArrayList;
import java.util.List;public class GameFrame extends JFrame {public GameFrame() {setTitle("平台射击对战");setSize(800, 600);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setLocationRelativeTo(null);add(new GamePanel());setVisible(true);}public static void main(String[] args) {SwingUtilities.invokeLater(() -> new GameFrame());}
}class GamePanel extends JPanel implements KeyListener, ActionListener {private Player p1, p2;private Timer timer;private boolean[] keys = new boolean[256];private boolean gameOver = false;private boolean gameStarted = false;private JButton startButton, restartButton, exitButton;private List<Platform> platforms = new ArrayList<>();private List<Bullet> bullets = new ArrayList<>();public GamePanel() {setLayout(null);setFocusable(true);addKeyListener(this);// 对称平台布局platforms.add(new Platform(150, 350, 200, 20));  // 左平台platforms.add(new Platform(300, 250, 200, 20));  // 中央平台platforms.add(new Platform(450, 350, 200, 20));  // 右平台startButton = createButton("开始游戏", 300, 250);restartButton = createButton("重新开始", 300, 300);exitButton = createButton("退出游戏", 300, 350);restartButton.setVisible(false);exitButton.setVisible(false);add(startButton);add(restartButton);add(exitButton);startButton.addActionListener(e -> startGame());restartButton.addActionListener(e -> restartGame());exitButton.addActionListener(e -> System.exit(0));}private JButton createButton(String text, int x, int y) {JButton button = new JButton(text);button.setBounds(x, y, 200, 40);button.setFocusable(false);button.setFont(new Font("微软雅黑", Font.BOLD, 18));button.setBackground(new Color(200, 200, 200));return button;}private void startGame() {gameStarted = true;gameOver = false;bullets.clear();startButton.setVisible(false);restartButton.setVisible(false);exitButton.setVisible(false);p1 = new Player(100, 400, Color.BLUE, KeyEvent.VK_A, KeyEvent.VK_D, KeyEvent.VK_W, KeyEvent.VK_F);p2 = new Player(600, 400, Color.RED, KeyEvent.VK_LEFT, KeyEvent.VK_RIGHT, KeyEvent.VK_UP, KeyEvent.VK_M);if (timer != null && timer.isRunning()) {timer.stop();}timer = new Timer(16, this);timer.start();requestFocusInWindow();}private void restartGame() {gameOver = false;gameStarted = false;startGame();}@Overrideprotected void paintComponent(Graphics g) {super.paintComponent(g);if (!gameStarted) {g.setColor(new Color(30, 30, 30));g.fillRect(0, 0, getWidth(), getHeight());g.setColor(Color.WHITE);g.setFont(new Font("微软雅黑", Font.BOLD, 48));g.drawString("平台射击对战", 250, 150);return;}Graphics2D g2d = (Graphics2D) g;g2d.setPaint(new GradientPaint(0, 0, new Color(30, 30, 50), 0, 600, new Color(10, 10, 20)));g2d.fillRect(0, 0, getWidth(), getHeight());g.setColor(new Color(80, 50, 30));g.fillRect(0, 450, getWidth(), 150);g.setColor(new Color(110, 70, 40));for(int i=0; i<getWidth(); i+=30){g.fillRect(i, 450, 15, 10);g.fillRect(i+15, 460, 15, 10);}for (Platform platform : platforms) {platform.draw(g);}p1.draw(g);p2.draw(g);for (Bullet bullet : bullets) {bullet.draw(g);}drawHealthBar(g, p1, 20, 20);drawHealthBar(g, p2, getWidth() - 220, 20);if (gameOver) {g.setColor(new Color(255, 255, 255, 200));g.fillRect(0, 0, getWidth(), getHeight());g.setColor(Color.BLACK);g.setFont(new Font("微软雅黑", Font.BOLD, 48));String winner = p1.getHealth() <= 0 ? "红方胜利!" : "蓝方胜利!";g.drawString(winner, getWidth()/2 - 120, getHeight()/2);restartButton.setVisible(true);exitButton.setVisible(true);}}private void drawHealthBar(Graphics g, Player p, int x, int y) {g.setColor(Color.BLACK);g.fillRect(x, y, 200, 25);g.setColor(p.getColor());g.fillRect(x + 2, y + 2, (int)(196 * (p.getHealth() / 100.0)), 21);}@Overridepublic void actionPerformed(ActionEvent e) {if (!gameOver && gameStarted) {handleInput();updatePlayers();updateBullets();checkCollisions();checkGameOver();}repaint();}private void handleInput() {p1.setMovingLeft(keys[p1.getLeftKey()]);p1.setMovingRight(keys[p1.getRightKey()]);if (keys[p1.getJumpKey()] && p1.isOnGround()) {p1.jump();}if (keys[p1.getAttackKey()] && p1.canAttack()) {bullets.add(p1.shoot());}p2.setMovingLeft(keys[p2.getLeftKey()]);p2.setMovingRight(keys[p2.getRightKey()]);if (keys[p2.getJumpKey()] && p2.isOnGround()) {p2.jump();}if (keys[p2.getAttackKey()] && p2.canAttack()) {bullets.add(p2.shoot());}}private void updatePlayers() {p1.update(getWidth(), platforms);p2.update(getWidth(), platforms);}private void updateBullets() {List<Bullet> toRemove = new ArrayList<>();for (Bullet bullet : bullets) {bullet.update();if (bullet.x < -10 || bullet.x > getWidth() + 10) {toRemove.add(bullet);}}bullets.removeAll(toRemove);}private void checkCollisions() {List<Bullet> toRemove = new ArrayList<>();for (Bullet bullet : bullets) {for (Platform platform : platforms) {if (bullet.hitsPlatform(platform)) {toRemove.add(bullet);break;}}Player target = bullet.shooter == p1 ? p2 : p1;if (bullet.hitsPlayer(target)) {target.takeDamage(10);toRemove.add(bullet);}}bullets.removeAll(toRemove);}private void checkGameOver() {if (p1.getHealth() <= 0 || p2.getHealth() <= 0) {gameOver = true;timer.stop();}}@Overridepublic void keyPressed(KeyEvent e) {if (e.getKeyCode() < keys.length) {keys[e.getKeyCode()] = true;}}@Overridepublic void keyReleased(KeyEvent e) {if (e.getKeyCode() < keys.length) {keys[e.getKeyCode()] = false;}}@Overridepublic void keyTyped(KeyEvent e) {}
}class Player {private static final int GRAVITY = 1;private static final int JUMP_FORCE = -15;private static final int ATTACK_COOLDOWN = 30;private static final int SPEED = 5;private static final int BULLET_SPEED = 10;private int x, y;private int width = 40, height = 80;private int dx, dy;private int health = 100;private Color color;private boolean onGround = false;private int attackTimer = 0;private boolean movingLeft = false;private boolean movingRight = false;private boolean facingRight = true;private int leftKey, rightKey, jumpKey, attackKey;public Player(int x, int y, Color color, int leftKey, int rightKey, int jumpKey, int attackKey) {this.x = x;this.y = y;this.color = color;this.leftKey = leftKey;this.rightKey = rightKey;this.jumpKey = jumpKey;this.attackKey = attackKey;}public void update(int screenWidth, List<Platform> platforms) {// 处理水平移动dx = 0;if (movingLeft) {dx -= SPEED;facingRight = false;}if (movingRight) {dx += SPEED;facingRight = true;}// 保存移动前的坐标int xPrev = x;x += dx;x = Math.max(0, Math.min(screenWidth - width, x));// 水平碰撞检测Rectangle playerRect = getCollisionBounds();for (Platform platform : platforms) {Rectangle platformRect = platform.getBounds();if (playerRect.intersects(platformRect)) {if (dx > 0) { // 向右移动碰撞x = platformRect.x - width;} else if (dx < 0) { // 向左移动碰撞x = platformRect.x + platformRect.width;}break;}}// 处理垂直移动dy += GRAVITY;int yPrev = y;y += dy;// 垂直碰撞检测boolean isFalling = dy > 0;onGround = false;if (isFalling) {// 下落碰撞检测int playerBottomAfter = y + height;int playerBottomBefore = yPrev + height;Platform landingPlatform = null;int highestPlatformY = Integer.MIN_VALUE;for (Platform platform : platforms) {Rectangle platformRect = platform.getBounds();int platformTop = platformRect.y;int platformBottom = platformTop + platformRect.height;boolean xOverlap = (x < platformRect.x + platformRect.width) &&(x + width > platformRect.x);if (xOverlap &&playerBottomBefore <= platformTop &&playerBottomAfter >= platformTop) {if (platformTop > highestPlatformY) {highestPlatformY = platformTop;landingPlatform = platform;}}}if (landingPlatform != null) {y = landingPlatform.getY() - height;dy = 0;onGround = true;} else {// 检查地面碰撞if (playerBottomAfter >= 450) {y = 450 - height;dy = 0;onGround = true;}}} else if (dy < 0) {// 上升碰撞检测（头部碰撞）int playerTopAfter = y;int playerTopBefore = yPrev;Platform headPlatform = null;int lowestPlatformBottom = Integer.MAX_VALUE;for (Platform platform : platforms) {Rectangle platformRect = platform.getBounds();int platformBottom = platformRect.y + platformRect.height;boolean xOverlap = (x < platformRect.x + platformRect.width) &&(x + width > platformRect.x);if (xOverlap &&playerTopBefore >= platformBottom &&playerTopAfter <= platformBottom) {if (platformBottom < lowestPlatformBottom) {lowestPlatformBottom = platformBottom;headPlatform = platform;}}}if (headPlatform != null) {y = headPlatform.getY() + headPlatform.getHeight();dy = 0;}}// 更新攻击计时器if (attackTimer > 0) {attackTimer--;}}public Bullet shoot() {attackTimer = ATTACK_COOLDOWN;int bulletX = facingRight ? x + width : x - 10;int bulletY = y + height/2 - Bullet.SIZE/2;return new Bullet(bulletX, bulletY, facingRight ? BULLET_SPEED : -BULLET_SPEED, this);}public void jump() {if (onGround) {dy = JUMP_FORCE;onGround = false;}}public void takeDamage(int damage) {health = Math.max(0, health - damage);}public void draw(Graphics g) {g.setColor(color);g.fillRect(x, y, width, height);}public Rectangle getCollisionBounds() {return new Rectangle(x + 5, y + 10, width - 10, height - 20);}public int getX() { return x; }public int getY() { return y; }public int getHealth() { return health; }public Color getColor() { return color; }public boolean isOnGround() { return onGround; }public void setMovingLeft(boolean moving) { movingLeft = moving; }public void setMovingRight(boolean moving) { movingRight = moving; }public boolean canAttack() { return attackTimer <= 0; }public int getLeftKey() { return leftKey; }public int getRightKey() { return rightKey; }public int getJumpKey() { return jumpKey; }public int getAttackKey() { return attackKey; }
}class Bullet {int x, y;int speed;Player shooter;static final int SIZE = 10;public Bullet(int x, int y, int speed, Player shooter) {this.x = x;this.y = y;this.speed = speed;this.shooter = shooter;}public void update() {x += speed;}public void draw(Graphics g) {g.setColor(Color.YELLOW);g.fillOval(x, y, SIZE, SIZE);}public boolean hitsPlayer(Player player) {Rectangle bulletRect = new Rectangle(x, y, SIZE, SIZE);return bulletRect.intersects(player.getCollisionBounds());}public boolean hitsPlatform(Platform platform) {Rectangle bulletRect = new Rectangle(x, y, SIZE, SIZE);return bulletRect.intersects(platform.getBounds());}
}class Platform {private int x, y, width, height;public Platform(int x, int y, int width, int height) {this.x = x;this.y = y;this.width = width;this.height = height;}public void draw(Graphics g) {g.setColor(new Color(100, 100, 100));g.fillRect(x, y, width, height);g.setColor(new Color(120, 120, 120));g.fillRect(x, y, width, 3);g.fillRect(x, y + height - 3, width, 3);}public Rectangle getBounds() {return new Rectangle(x, y, width, height);}public int getY() { return y; }public int getHeight() { return height; }
}