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以下是一個(gè)簡(jiǎn)單的 Java 涂鴉跳躍游戲代碼示例：

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DoodleJump extends JPanel implements ActionListener {private static final int WIDTH = 400;
    private static final int HEIGHT = 600;
    private static final int GROUND = 550;
    private static final int PLAYER_SIZE = 25;
    private static final int PLATFORM_WIDTH = 50;
    private static final int PLATFORM_HEIGHT = 10;
    private static final int PLATFORM_GAP = 200;
    private static final int PLATFORM_COUNT = 6;
    private static final int GRAVITY = 2;
    private static final int JUMP_HEIGHT = 30;

    private Timer timer;
    private int playerX;
    private int playerY;
    private int velocityY;
    private boolean isJumping;
    private Platform[] platforms;

    public DoodleJump() {setPreferredSize(new Dimension(WIDTH, HEIGHT));
        setBackground(Color.BLACK);
        setFocusable(true);
        addKeyListener(new KeyAdapter() {@Override
            public void keyPressed(KeyEvent e) {if (e.getKeyCode() == KeyEvent.VK_SPACE) {if (!isJumping) {isJumping = true;
                        velocityY = -JUMP_HEIGHT;
                    }
                }
            }
        });

        playerX = WIDTH / 2;
        playerY = GROUND;
        velocityY = 0;
        isJumping = false;

        platforms = new Platform[PLATFORM_COUNT];
        for (int i = 0; i < PLATFORM_COUNT; i++) {platforms[i] = new Platform((int) (Math.random() * (WIDTH - PLATFORM_WIDTH)), GROUND - i * PLATFORM_GAP);
        }

        timer = new Timer(10, this);
        timer.start();}

    @Override
    protected void paintComponent(Graphics g) {super.paintComponent(g);

        g.setColor(Color.WHITE);
        g.fillOval(playerX - PLAYER_SIZE / 2, playerY - PLAYER_SIZE / 2, PLAYER_SIZE, PLAYER_SIZE);

        for (Platform platform : platforms) {g.fillRect(platform.getX(), platform.getY(), PLATFORM_WIDTH, PLATFORM_HEIGHT);
        }
    }

    public void actionPerformed(ActionEvent e) {
        playerY += velocityY;

        if (isJumping) {velocityY += GRAVITY;}

        if (playerY > GROUND) {
            playerY = GROUND;
            velocityY = 0;
            isJumping = false;
        }

        for (Platform platform : platforms) {if (playerY + PLAYER_SIZE / 2 > platform.getY() && playerY + PLAYER_SIZE / 2 < platform.getY() + PLATFORM_HEIGHT
                    && playerX + PLAYER_SIZE / 2 > platform.getX() && playerX - PLAYER_SIZE / 2 < platform.getX() + PLATFORM_WIDTH) {playerY = platform.getY() - PLAYER_SIZE / 2;
                velocityY = 0;
                isJumping = false;
            }
        }

        for (Platform platform : platforms) {platform.setY(platform.getY() + GRAVITY);
            if (platform.getY() > HEIGHT) {platform.setY(platform.getY() - PLATFORM_GAP * PLATFORM_COUNT);
                platform.setX((int) (Math.random() * (WIDTH - PLATFORM_WIDTH)));
            }
        }

        repaint();}

    public static void main(String[] args) {JFrame frame = new JFrame("Doodle Jump");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new DoodleJump());
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    private class Platform {private int x;
        private int y;

        public Platform(int x, int y) {this.x = x;
            this.y = y;
        }

        public int getX() {return x;
        }

        public int getY() {return y;
        }

        public void setX(int x) {this.x = x;
        }

        public void setY(int y) {this.y = y;
        }
    }
}

這是一個(gè)簡(jiǎn)單的涂鴉跳躍游戲，玩家通過(guò)控制跳躍的小涂鴉在不斷生成的平臺(tái)上往上跳躍。玩家按下空格鍵時(shí)，小涂鴉會(huì)向上跳躍，玩家需要控制小涂鴉跳到平臺(tái)上，如果沒(méi)有跳到平臺(tái)上就會(huì)掉下來(lái)，游戲結(jié)束。平臺(tái)會(huì)不斷從上面生成，玩家需要不斷跳躍上去，直到無(wú)法繼續(xù)跳躍

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