Android Open Source - crabox Contact Bodies

From Project

Back to project page crabox.

License

The source code is released under:

Apache License

If you think the Android project crabox listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.costular.crabox.actors;
/*from   w w  w. j  av  a  2 s  . co m*/
import javax.management.StringValueExp;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.Contact;
import com.badlogic.gdx.physics.box2d.ContactImpulse;
import com.badlogic.gdx.physics.box2d.ContactListener;
import com.badlogic.gdx.physics.box2d.Manifold;
import com.costular.crabox.actors.DefaultBox.Type;
import com.costular.crabox.util.Box2DUtils;

public class ContactBodies implements ContactListener{

  public Player player;
  
  public ContactBodies(final Player player) {
    this.player = player;
  }
  
  private DefaultBox getUserData(Body body) {
    return ((DefaultBox) body.getUserData());
  }
  
  private boolean isPlayer(Body body) {
    return getUserData(body).getType().equals(Type.PLAYER);
  }
  
  private boolean isGround(Body body) {
    return getUserData(body).getType().equals(Type.GROUND);
  }
  
  private DefaultBox getGround(Body a, Body b) {
    if(isGround(b)) {
      return getUserData(b);
    }
    return getUserData(a);
  }
  
  @Override
  public void beginContact(Contact contact) {
    Body a = contact.getFixtureA().getBody();
    Body b = contact.getFixtureB().getBody();
    
    DefaultBox ground = getGround(a, b);
    
    // No tengo ni idea de por qu?, pero no va del todo bien.    
    if(ground.getY() + ground.getHeight() < player.getY()){
      player.setToRunning();
      
      // Cambiamos el color de la plataforma
      getGround(a, b).setColor(Color.WHITE);
      
      // Aumentamos el score
      if(player.getY() + player.getHeight() > getGround(a, b).getY() && player.getX() > 75) {
        player.incrementScore();
      }
      
    }
    
    a = null;
    b = null;
  }

  @Override
  public void endContact(Contact contact) {
    Body a = contact.getFixtureA().getBody();
    Body b = contact.getFixtureB().getBody();
    
    if(isGround(b)) {
      getUserData(b).setColor(Color.GRAY);
    } else {
      getUserData(a).setColor(Color.GRAY);
    }
    
    if(player.isRunning()) {
      player.setToJumping();
    }
    
    a = null;
    b = null;
  }

  @Override
  public void preSolve(Contact contact, Manifold oldManifold) {
  }

  @Override
  public void postSolve(Contact contact, ContactImpulse impulse) {
  }

  
}

Java Source Code List