Android Open Source - candymem Particle Item

From Project

Back to project page candymem.

License

The source code is released under:

GNU General Public License

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Java Source Code

package se.tube42.lib.item;
//  w  w  w.  ja va 2s.c o m
import com.badlogic.gdx.*;
import com.badlogic.gdx.graphics.*;
import com.badlogic.gdx.graphics.g2d.*;
import com.badlogic.gdx.graphics.g2d.ParticleEffectPool.PooledEffect;


import se.tube42.lib.tweeny.*;
import se.tube42.lib.scene.*;

public class ParticleItem extends BaseItem
{
    protected PooledEffect effect;

    public ParticleItem()
    {
        this.effect = null;
    }


    public PooledEffect emit(ParticleEffectPool pool)
    {
        if(effect != null) {
            stop();
        }

        flags &= ~FLAG_DEAD;

        effect = pool.obtain();
        effect.setPosition(getX(), getY());
        effect.start();
        return effect;
    }

    // -----------------------------------------

    public void draw(SpriteBatch sb)
    {
        if( (flags & FLAG_VISIBLE) == 0) return;

        if(effect != null) {
            final float dt = Gdx.graphics.getDeltaTime();
            effect.setPosition(getX(), getY());
            onUpdate(dt);
            effect.draw(sb);

            if(effect.isComplete()) {
                onParticleEnded();
            }
        }
    }

    public void stop()
    {
        if(effect != null) {
            effect.free();
            effect = null;
            flags |= FLAG_DEAD;
        }
    }

    // --------------------------------------------

    public void onParticleEnded()
    {
        stop();
    }

    public void onUpdate(float dt)
    {
        effect.update(dt);
    }


}

Java Source Code List