Android Open Source - proteus-sidescroller Main Menu

• Back to Libgdx/game  ↑

From Project

Back to project page proteus-sidescroller.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.bartholomew.proteus;
/*  w  ww .  jav  a  2s.c om*/
import aurelienribon.tweenengine.Timeline;
import aurelienribon.tweenengine.Tween;
import aurelienribon.tweenengine.TweenManager;
import com.badlogic.gdx.Game;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.InputEvent;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.badlogic.gdx.scenes.scene2d.ui.TextButton;
import com.badlogic.gdx.scenes.scene2d.utils.ClickListener;
import com.bartholomew.proteus.tween.ActorAccessor;

public class MainMenu implements Screen {

  private Stage m_stage;
  private TextureAtlas m_atlas;
  private Skin m_skin;
  private Table m_table;  
  private TweenManager m_tweenManager;
  
  
  @Override
  public void render(float delta) {
    Gdx.gl.glClearColor(0, 0, 0, 1);
    Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
//DEBUG
//Table.drawDebug(m_stage);

    m_stage.act(delta);
    m_stage.draw();
      
    m_tweenManager.update(delta);
  }

  @Override
  public void resize(int width, int height) {
    m_stage.setViewport(width, height, true);
    m_table.invalidateHierarchy();
    m_table.setSize(width, height);
  }

  @Override
  public void show() {
    m_stage = new Stage();
    
    Gdx.input.setInputProcessor(m_stage); // Allows the buttons to be pressed automatically    
    
    m_atlas = new TextureAtlas("ui/button.pack");
    m_skin = new Skin(Gdx.files.internal("ui/menuSkin.json"), m_atlas);
    m_table = new Table(m_skin);
    m_table.setBounds(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
    
    // Creating heading
    Label heading = new Label(Proteus.TITLE, m_skin);
    heading.setFontScale(3); // Multiply the font size by 3
    
    // Make both buttons
    TextButton buttonExit = new TextButton("Exit", m_skin);
    buttonExit.pad(20);
    buttonExit.addListener(new ClickListener(){
      public void clicked(InputEvent event, float x, float y) {
        Gdx.app.exit(); // Set up Exit button functionality
      }
    });
    
    TextButton buttonPlay = new TextButton("Play", m_skin);
    buttonPlay.pad(20);
    buttonPlay.addListener(new ClickListener(){
      public void clicked(InputEvent event, float x, float y){
        ((Game) Gdx.app.getApplicationListener()).setScreen(new GameWorld());
      }
    });
    
    
    // Adding Actors to m_table
    m_table.add(heading);
    m_table.getCell(heading).spaceBottom(100);
    m_table.row(); // Put a new row now, so put the heading above the code that's below here
    m_table.add(buttonPlay);
    m_table.getCell(buttonPlay).spaceBottom(10);
    m_table.row();
    m_table.add(buttonExit);
//DEBUG DONE Remove later. Adds red lines around boxes and such
//m_table.debug();
    m_stage.addActor(m_table);
    
    // Create animations
    m_tweenManager = new TweenManager();
    Tween.registerAccessor(Actor.class, new ActorAccessor());

    // Heading color animation
    Timeline.createSequence().beginSequence()   // Fade heading into different colors forever
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(0, 0, 1))
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(0.5f, 1, 0))
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(1, 0, 0.2f))
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(1, 1, 0))
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(0, 0.1f, 0.4f))
      .push(Tween.to(heading, ActorAccessor.RGB,  0.5f).target(1, 1, 1))
      .end().repeat(Tween.INFINITY, 0).start(m_tweenManager);
    
    // Heading and buttons fade-in
    Timeline.createSequence().beginSequence()
      .push(Tween.set(buttonPlay, ActorAccessor.ALPHA).target(0))
      .push(Tween.set(buttonExit, ActorAccessor.ALPHA).target(0))
      .push(Tween.from(heading, ActorAccessor.ALPHA, 0.25f).target(0))
      .push(Tween.to(buttonPlay, ActorAccessor.ALPHA, 0.25f).target(1))
      .push(Tween.to(buttonExit, ActorAccessor.ALPHA, 0.25f).target(1))
      .end().start(m_tweenManager);
    
    // Table fade-in
    Tween.from(m_table, ActorAccessor.ALPHA, 0.5f).target().target(0).start(m_tweenManager);
    Tween.from(m_table, ActorAccessor.Y, 0.5f).target(Gdx.graphics.getHeight() / 8).start(m_tweenManager);

  }

  @Override
  public void hide() {
    dispose();    
  }

  @Override
  public void pause() {
    
  }

  @Override
  public void resume() {
    
  }

  @Override
  public void dispose() {
    m_stage.dispose();
    m_atlas.dispose();
    m_skin.dispose();
  }

}

Java Source Code List

• Back to Libgdx/game  ↑