Android Open Source - SpaceGame Particles

From Project

Back to project page SpaceGame.

License

The source code is released under:

Copyright (c) 2012 ??ukasz Patalas Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the So...

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Java Source Code

package com.lpatalas.spacegame;
//  ww  w  .  j  a  v a 2  s.  c o  m
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.g2d.ParticleEffect;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Vector2;

import java.util.ArrayList;
import java.util.List;

/**
 * User: Lukasz
 * Date: 12.08.12
 */
class Particles {
  private static final String EXPLOSION_EFFECT_NAME = "explosion";
  private static final String PARTICLES_DIRECTORY = "particles/";

  private final List<ParticleEffect> activeEffects = new ArrayList<ParticleEffect>();
  private ParticleEffect explosionEffect;
  private FileHandle particlesImageDir;

  public Particles() {
  }

  public void addExplosion(Vector2 position) {
    ParticleEffect explosion = new ParticleEffect(explosionEffect);
    explosion.setPosition(position.x, position.y);
    explosion.start();
    activeEffects.add(explosion);
  }

  public void update() {
    removeCompletedEffects();
  }

  private void removeCompletedEffects() {
    for (int i = activeEffects.size() - 1; i >= 0; i--) {
      if (activeEffects.get(i).isComplete()) {
        activeEffects.remove(i);
      }
    }
  }

  public void render(SpriteBatch spriteBatch, float dt) {
    for (ParticleEffect effect : activeEffects) {
      effect.draw(spriteBatch, dt);
    }
  }

  public void load() {
    particlesImageDir = Gdx.files.internal(PARTICLES_DIRECTORY);
    explosionEffect = loadParticleEffect(EXPLOSION_EFFECT_NAME);
  }

  private ParticleEffect loadParticleEffect(String effectName) {
    ParticleEffect effect = new ParticleEffect();

    FileHandle effectFile = getEffectFileHandle(effectName);
    effect.load(effectFile, particlesImageDir);

    return effect;
  }

  private FileHandle getEffectFileHandle(String effectName) {
    String fullPath = PARTICLES_DIRECTORY + effectName + ".effect";
    return Gdx.files.internal(fullPath);
  }
}

Java Source Code List