使用Slick2D滚动背景

import org.newdawn.slick.*;
import org.newdawn.slick.state.*;

public class Game extends BasicGameState {
    private Image background;
    private float backgroundX;

    public void init(GameContainer gc, StateBasedGame sbg) throws SlickException {
        background = new Image("background.png");
        backgroundX = 0;
    }

    public void render(GameContainer gc, StateBasedGame sbg, Graphics g) throws SlickException {
        background.draw(backgroundX, 0);
    }

    public void update(GameContainer gc, StateBasedGame sbg, int delta) throws SlickException {
        backgroundX -= 0.1f * delta; // 调整滚动速度
    }
}