画面遷移サンプル実装

DemoGame.java

package com.github.picopicolab.games.demo;

import com.badlogic.gdx.Game;
import com.badlogic.gdx.graphics.FPSLogger;

/**
 * 画面遷移サンプル実装
 */
public class DemoGame extends Game {

    private FPSLogger logger;

    @Override
    public void create() {
        logger = new FPSLogger();

        setScreen(new Screen1(this)); // Screen1 クラスを指定
    }

    @Override
    public void render() {
        super.render();

        // FPS 出力
        logger.log();
    }
}

Screen1.java

package com.github.picopicolab.games.demo;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;

/**
 * 画面遷移サンプル実装
 */
public class Screen1 implements Screen {

    private DemoGame game;
    private ShapeRenderer renderer;

    public Screen1(DemoGame game) {
        this.game = game;
    }

    @Override
    public void show() {
        renderer = new ShapeRenderer();
        renderer.setAutoShapeType(true);
    }

    @Override
    public void render(float delta) {
        if(Gdx.input.justTouched()) {
            game.setScreen(new Screen2(game));
        }

        Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        // 画像描画
        renderer.begin();
        renderer.set(ShapeRenderer.ShapeType.Line);
        renderer.setColor(Color.RED);
        renderer.circle(Gdx.graphics.getWidth() / 2, Gdx.graphics.getWidth() / 2, 15.0f);
        renderer.setColor(Color.CLEAR);
        renderer.end();
    }

    @Override
    public void resize(int width, int height) {

    }

    @Override
    public void pause() {

    }

    @Override
    public void resume() {

    }

    @Override
    public void hide() {

    }

    @Override
    public void dispose() {

    }
}

Screen2.java

package com.github.picopicolab.games.demo;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;

/**
 * 画面遷移サンプル実装
 */
public class Screen2 implements Screen {

    private DemoGame game;
    private ShapeRenderer renderer;

    public Screen2(DemoGame game) {
        this.game = game;
    }

    @Override
    public void show() {
        renderer = new ShapeRenderer();
        renderer.setAutoShapeType(true);
    }

    @Override
    public void render(float delta) {
        if (Gdx.input.justTouched()) {
            game.setScreen(new Screen1(game));
        }

        Gdx.gl.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        // 画像描画
        renderer.begin();
        renderer.set(ShapeRenderer.ShapeType.Filled);
        renderer.setColor(Color.BLUE);
        renderer.rect(Gdx.graphics.getWidth() / 2 - 20.0f, Gdx.graphics.getWidth() / 2 - 20.0f, 40.0f, 40.0f);
        renderer.setColor(Color.CLEAR);
        renderer.end();
    }

    @Override
    public void resize(int width, int height) {

    }

    @Override
    public void pause() {

    }

    @Override
    public void resume() {

    }

    @Override
    public void hide() {

    }

    @Override
    public void dispose() {

    }
}