com.jme3.effect.ParticleEmitter Java Examples

@Override
public void simpleInitApp() {
    emit = new ParticleEmitter("Emitter", Type.Triangle, 300);
    emit.setGravity(0, 0, 0);
    emit.setVelocityVariation(1);
    emit.setLowLife(1);
    emit.setHighLife(1);
    emit.setInitialVelocity(new Vector3f(0, .5f, 0));
    emit.setImagesX(15);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Smoke/Smoke.png"));
    emit.setMaterial(mat);
    
    rootNode.attachChild(emit);
    
    inputManager.addListener(new ActionListener() {
        
        public void onAction(String name, boolean isPressed, float tpf) {
            if ("setNum".equals(name) && isPressed) {
                emit.setNumParticles(1000);
            }
        }
    }, "setNum");
    
    inputManager.addMapping("setNum", new KeyTrigger(KeyInput.KEY_SPACE));
}
 

private void prepareEffect() {
        int COUNT_FACTOR = 1;
        float COUNT_FACTOR_F = 1f;
        effect = new ParticleEmitter("Flame", Type.Triangle, 32 * COUNT_FACTOR);
        effect.setSelectRandomImage(true);
        effect.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (1f / COUNT_FACTOR_F)));
        effect.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
        effect.setStartSize(1.3f);
        effect.setEndSize(2f);
        effect.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
        effect.setParticlesPerSec(0);
        effect.setGravity(0, -5, 0);
        effect.setLowLife(.4f);
        effect.setHighLife(.5f);
        effect.getParticleInfluencer()
                .setInitialVelocity(new Vector3f(0, 7, 0));
        effect.getParticleInfluencer().setVelocityVariation(1f);
        effect.setImagesX(2);
        effect.setImagesY(2);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
        effect.setMaterial(mat);
//        effect.setLocalScale(100);
        rootNode.attachChild(effect);
    }
 

private void prepareEffect(AssetManager assetManager) {
    int COUNT_FACTOR = 1;
    float COUNT_FACTOR_F = 1f;
    effect = new ParticleEmitter("Flame", Type.Triangle, 32 * COUNT_FACTOR);
    effect.setSelectRandomImage(true);
    effect.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (1f / COUNT_FACTOR_F)));
    effect.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
    effect.setStartSize(1.3f);
    effect.setEndSize(2f);
    effect.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    effect.setParticlesPerSec(0);
    effect.setGravity(0, -5f, 0);
    effect.setLowLife(.4f);
    effect.setHighLife(.5f);
    effect.getParticleInfluencer()
            .setInitialVelocity(new Vector3f(0, 7, 0));
    effect.getParticleInfluencer().setVelocityVariation(1f);
    effect.setImagesX(2);
    effect.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    effect.setMaterial(mat);
}
 

private void createFire() {
    /**
     * Uses Texture from jme3-test-data library!
     */
    ParticleEmitter fire = new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 30);
    Material mat_red = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat_red.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));

    fire.setMaterial(mat_red);
    fire.setImagesX(2);
    fire.setImagesY(2); // 2x2 texture animation
    fire.setEndColor(new ColorRGBA(1f, 0f, 0f, 1f));   // red
    fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f)); // yellow
    fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 2, 0));
    fire.setStartSize(10f);
    fire.setEndSize(1f);
    fire.setGravity(0, 0, 0);
    fire.setLowLife(0.5f);
    fire.setHighLife(1.5f);
    fire.getParticleInfluencer().setVelocityVariation(0.3f);
    fire.setLocalTranslation(-600, 50, 300);

    fire.setQueueBucket(Bucket.Translucent);
    rootNode.attachChild(fire);
}
 

@Override
@FxThread
protected void process() {
    super.process();

    final TreeNode<?> treeNode = getNode();
    final Node node = (Node) treeNode.getElement();

    EXECUTOR_MANAGER.addJmeTask(() -> visitSpatial(node, ParticleEmitter.class, ParticleEmitter::killAllParticles));
    ADDITIONAL_ACTIONS.forEach(node, (factory, toCheck) -> {
        final Runnable action = factory.apply(toCheck);
        if (action != null) {
            EXECUTOR_MANAGER.addJmeTask(action);
        }
    });
}
 

public void actionPerformed(ActionEvent e) {
    SceneApplication.getApplication().enqueue(new Callable<Void>() {

        public Void call() throws Exception {
            ParticleEmitter emit = new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 200);
            emit.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
            emit.setGravity(new Vector3f(0, 0, 0));
            emit.setLowLife(5);
            emit.setHighLife(10);
            emit.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 0, 0));
            emit.setImagesX(15);
            Material mat = new Material(SceneApplication.getApplication().getAssetManager(), "Common/MatDefs/Misc/Particle.j3md");
            emit.setMaterial(mat);
            node.attachChild(emit);
            addSpatialUndo(node, emit);
            setModified();
            return null;
        }
    });
}
 

@Override
@FxThread
public void fillContextMenu(@NotNull final NodeTree<?> nodeTree,
                            @NotNull final ObservableList<MenuItem> items) {

    if (!(nodeTree instanceof ModelNodeTree)) {
        return;
    }

    final T element = getElement();
    final Spatial emitter = NodeUtils.findSpatial(element, ParticleEmitter.class::isInstance);

    if (emitter != null || PARTICLE_EMITTER_FINDERS.search(element, Predicate::test) != null) {
        items.add(new ResetParticleEmittersAction(nodeTree, this));
    }

    super.fillContextMenu(nodeTree, items);
}
 

protected void attachSelectionShape(Spatial spat) {
    if (selectionShape != null) {
        selectionShape.removeFromParent();
        selectionShape = null;
    }
    selctionShapeOffset.set(Vector3f.ZERO);
    if (spat instanceof ParticleEmitter) {
        attachBoxSelection(spat);

    } else if (spat instanceof Geometry) {
        attachGeometrySelection((Geometry) spat);
    } else if (spat.getControl(PhysicsControl.class) != null) {
        attachPhysicsSelection(spat);
    } else {
        attachBoxSelection(spat);
    }
}
 

@Override
public void simpleInitApp() {
    ParticleEmitter emit = new ParticleEmitter("Emitter", Type.Triangle, 200);
    emit.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    emit.setGravity(0, 0, 0);
    emit.setLowLife(5);
    emit.setHighLife(10);
    emit.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 0, 0));
    emit.setImagesX(15);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Smoke/Smoke.png"));
    emit.setMaterial(mat);

    ParticleEmitter emit2 = emit.clone();
    emit2.move(3, 0, 0);
    
    rootNode.attachChild(emit);
    rootNode.attachChild(emit2);
    
    ParticleEmitter emit3 = BinaryExporter.saveAndLoad(assetManager, emit);
    emit3.move(-3, 0, 0);
    rootNode.attachChild(emit3);
}
 

private void createFlame(){
    flame = new ParticleEmitter("Flame", EMITTER_TYPE, 32 * COUNT_FACTOR);
    flame.setSelectRandomImage(true);
    flame.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (1f / COUNT_FACTOR_F)));
    flame.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
    flame.setStartSize(1.3f);
    flame.setEndSize(2f);
    flame.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    flame.setParticlesPerSec(0);
    flame.setGravity(0, -5, 0);
    flame.setLowLife(.4f);
    flame.setHighLife(.5f);
    flame.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 7, 0));
    flame.getParticleInfluencer().setVelocityVariation(1f);
    flame.setImagesX(2);
    flame.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    flame.setMaterial(mat);
    explosionEffect.attachChild(flame);
}
 

private void createFlash(){
    flash = new ParticleEmitter("Flash", EMITTER_TYPE, 24 * COUNT_FACTOR);
    flash.setSelectRandomImage(true);
    flash.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, 1f / COUNT_FACTOR_F));
    flash.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
    flash.setStartSize(.1f);
    flash.setEndSize(3.0f);
    flash.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
    flash.setParticlesPerSec(0);
    flash.setGravity(0, 0, 0);
    flash.setLowLife(.2f);
    flash.setHighLife(.2f);
    flash.getParticleInfluencer()
            .setInitialVelocity(new Vector3f(0, 5f, 0));
    flash.getParticleInfluencer().setVelocityVariation(1);
    flash.setImagesX(2);
    flash.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flash.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    flash.setMaterial(mat);
    explosionEffect.attachChild(flash);
}
 

private void createRoundSpark(){
    roundspark = new ParticleEmitter("RoundSpark", EMITTER_TYPE, 20 * COUNT_FACTOR);
    roundspark.setStartColor(new ColorRGBA(1f, 0.29f, 0.34f, (float) (1.0 / COUNT_FACTOR_F)));
    roundspark.setEndColor(new ColorRGBA(0, 0, 0, 0.5f / COUNT_FACTOR_F));
    roundspark.setStartSize(1.2f);
    roundspark.setEndSize(1.8f);
    roundspark.setShape(new EmitterSphereShape(Vector3f.ZERO, 2f));
    roundspark.setParticlesPerSec(0);
    roundspark.setGravity(0, -.5f, 0);
    roundspark.setLowLife(1.8f);
    roundspark.setHighLife(2f);
    roundspark.getParticleInfluencer()
            .setInitialVelocity(new Vector3f(0, 3, 0));
    roundspark.getParticleInfluencer().setVelocityVariation(.5f);
    roundspark.setImagesX(1);
    roundspark.setImagesY(1);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/roundspark.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    roundspark.setMaterial(mat);
    explosionEffect.attachChild(roundspark);
}
 

private void createSpark(){
    spark = new ParticleEmitter("Spark", Type.Triangle, 30 * COUNT_FACTOR);
    spark.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, 1.0f / COUNT_FACTOR_F));
    spark.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
    spark.setStartSize(.5f);
    spark.setEndSize(.5f);
    spark.setFacingVelocity(true);
    spark.setParticlesPerSec(0);
    spark.setGravity(0, 5, 0);
    spark.setLowLife(1.1f);
    spark.setHighLife(1.5f);
    spark.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 20, 0));
    spark.getParticleInfluencer().setVelocityVariation(1);
    spark.setImagesX(1);
    spark.setImagesY(1);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/spark.png"));
    spark.setMaterial(mat);
    explosionEffect.attachChild(spark);
}
 

private void createSmokeTrail(){
        smoketrail = new ParticleEmitter("SmokeTrail", Type.Triangle, 22 * COUNT_FACTOR);
        smoketrail.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, 1.0f / COUNT_FACTOR_F));
        smoketrail.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
        smoketrail.setStartSize(.2f);
        smoketrail.setEndSize(1f);

//        smoketrail.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
        smoketrail.setFacingVelocity(true);
        smoketrail.setParticlesPerSec(0);
        smoketrail.setGravity(0, 1, 0);
        smoketrail.setLowLife(.4f);
        smoketrail.setHighLife(.5f);
        smoketrail.getParticleInfluencer()
                .setInitialVelocity(new Vector3f(0, 12, 0));
        smoketrail.getParticleInfluencer().setVelocityVariation(1);
        smoketrail.setImagesX(1);
        smoketrail.setImagesY(3);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/smoketrail.png"));
        smoketrail.setMaterial(mat);
        explosionEffect.attachChild(smoketrail);
    }
 

private void createShockwave(){
        shockwave = new ParticleEmitter("Shockwave", Type.Triangle, 1 * COUNT_FACTOR);
//        shockwave.setRandomAngle(true);
        shockwave.setFaceNormal(Vector3f.UNIT_Y);
        shockwave.setStartColor(new ColorRGBA(.48f, 0.17f, 0.01f, .8f / COUNT_FACTOR_F));
        shockwave.setEndColor(new ColorRGBA(.48f, 0.17f, 0.01f, 0f));

        shockwave.setStartSize(0f);
        shockwave.setEndSize(7f);

        shockwave.setParticlesPerSec(0);
        shockwave.setGravity(0, 0, 0);
        shockwave.setLowLife(0.5f);
        shockwave.setHighLife(0.5f);
        shockwave.getParticleInfluencer()
                .setInitialVelocity(new Vector3f(0, 0, 0));
        shockwave.getParticleInfluencer().setVelocityVariation(0f);
        shockwave.setImagesX(1);
        shockwave.setImagesY(1);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/shockwave.png"));
        shockwave.setMaterial(mat);
        explosionEffect.attachChild(shockwave);
    }
 

/**
     * Internal use only serialization
     *
     * @param im importer
     * @throws IOException Exception
     */
    public void read(JmeImporter im) throws IOException {
        InputCapsule in = im.getCapsule(this);
        this.particlesPerSeconds = in.readFloat("particlesPerSeconds", 0);
        //reading the emitter even if the track will then reference its cloned counter part if it's loaded with the assetManager.
        //This also avoid null pointer exception if the model is not loaded via the AssetManager.
        emitter = (ParticleEmitter) in.readSavable("emitter", null);
        emitter.setParticlesPerSec(0);
        //if the emitter was saved with a KillParticleControl we remove it.
//        Control c = emitter.getControl(KillParticleControl.class);
//        if(c!=null){
//            emitter.removeControl(c);
//        }
        //emitter.removeControl(KillParticleControl.class);
        length = in.readFloat("length", length);
        startOffset = in.readFloat("startOffset", 0);
    }
 

/**
     * Internal use only serialization
     *
     * @param im importer
     * @throws IOException Exception
     */
    @Override
    public void read(JmeImporter im) throws IOException {
        InputCapsule in = im.getCapsule(this);
        this.particlesPerSeconds = in.readFloat("particlesPerSeconds", 0);
        //reading the emitter even if the track will then reference its cloned counterpart if it's loaded with the assetManager.
        //This also avoid null pointer exception if the model is not loaded via the AssetManager.
        emitter = (ParticleEmitter) in.readSavable("emitter", null);
        emitter.setParticlesPerSec(0);
        //if the emitter was saved with a KillParticleControl we remove it.
//        Control c = emitter.getControl(KillParticleControl.class);
//        if(c!=null){
//            emitter.removeControl(c);
//        }
        //emitter.removeControl(KillParticleControl.class);
        length = in.readFloat("length", length);
        startOffset = in.readFloat("startOffset", 0);
    }
 

private void prepareEffect(AssetManager assetManager) {
    int COUNT_FACTOR = 1;
    float COUNT_FACTOR_F = 1f;
    effect = new ParticleEmitter("Flame", Type.Triangle, 32 * COUNT_FACTOR);
    effect.setSelectRandomImage(true);
    effect.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (float) (1f / COUNT_FACTOR_F)));
    effect.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
    effect.setStartSize(1.3f);
    effect.setEndSize(2f);
    effect.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    effect.setParticlesPerSec(0);
    effect.setGravity(0, -5f, 0);
    effect.setLowLife(.4f);
    effect.setHighLife(.5f);
    effect.setInitialVelocity(new Vector3f(0, 7, 0));
    effect.setVelocityVariation(1f);
    effect.setImagesX(2);
    effect.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    effect.setMaterial(mat);
}
 

private void prepareEffect() {
        int COUNT_FACTOR = 1;
        float COUNT_FACTOR_F = 1f;
        effect = new ParticleEmitter("Flame", Type.Triangle, 32 * COUNT_FACTOR);
        effect.setSelectRandomImage(true);
        effect.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (float) (1f / COUNT_FACTOR_F)));
        effect.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
        effect.setStartSize(1.3f);
        effect.setEndSize(2f);
        effect.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
        effect.setParticlesPerSec(0);
        effect.setGravity(0, -5, 0);
        effect.setLowLife(.4f);
        effect.setHighLife(.5f);
        effect.setInitialVelocity(new Vector3f(0, 7, 0));
        effect.setVelocityVariation(1f);
        effect.setImagesX(2);
        effect.setImagesY(2);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
        effect.setMaterial(mat);
//        effect.setLocalScale(100);
        rootNode.attachChild(effect);
    }
 

private void createFire() {
    /** Uses Texture from jme3-test-data library! */
    ParticleEmitter fire = new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 30);
    Material mat_red = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat_red.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));

    fire.setMaterial(mat_red);
    fire.setImagesX(2);
    fire.setImagesY(2); // 2x2 texture animation
    fire.setEndColor(new ColorRGBA(1f, 0f, 0f, 1f));   // red
    fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f)); // yellow
    fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 2, 0));
    fire.setStartSize(10f);
    fire.setEndSize(1f);
    fire.setGravity(0, 0, 0);
    fire.setLowLife(0.5f);
    fire.setHighLife(1.5f);
    fire.getParticleInfluencer().setVelocityVariation(0.3f);
    fire.setLocalTranslation(-350, 40, 430);

    fire.setQueueBucket(Bucket.Transparent);
    rootNode.attachChild(fire);
}
 

private void createFlame(){
    flame = new ParticleEmitter("Flame", EMITTER_TYPE, 32 * COUNT_FACTOR);
    flame.setSelectRandomImage(true);
    flame.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (float) (1f / COUNT_FACTOR_F)));
    flame.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
    flame.setStartSize(1.3f);
    flame.setEndSize(2f);
    flame.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    flame.setParticlesPerSec(0);
    flame.setGravity(0, -5, 0);
    flame.setLowLife(.4f);
    flame.setHighLife(.5f);
    flame.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 7, 0));
    flame.getParticleInfluencer().setVelocityVariation(1f);
    flame.setImagesX(2);
    flame.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    flame.setMaterial(mat);
    explosionEffect.attachChild(flame);
}
 

private void createFlash(){
    flash = new ParticleEmitter("Flash", EMITTER_TYPE, 24 * COUNT_FACTOR);
    flash.setSelectRandomImage(true);
    flash.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1f / COUNT_FACTOR_F)));
    flash.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
    flash.setStartSize(.1f);
    flash.setEndSize(3.0f);
    flash.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
    flash.setParticlesPerSec(0);
    flash.setGravity(0, 0, 0);
    flash.setLowLife(.2f);
    flash.setHighLife(.2f);
    flash.setInitialVelocity(new Vector3f(0, 5f, 0));
    flash.setVelocityVariation(1);
    flash.setImagesX(2);
    flash.setImagesY(2);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flash.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    flash.setMaterial(mat);
    explosionEffect.attachChild(flash);
}
 

private void createRoundSpark(){
    roundspark = new ParticleEmitter("RoundSpark", EMITTER_TYPE, 20 * COUNT_FACTOR);
    roundspark.setStartColor(new ColorRGBA(1f, 0.29f, 0.34f, (float) (1.0 / COUNT_FACTOR_F)));
    roundspark.setEndColor(new ColorRGBA(0, 0, 0, (float) (0.5f / COUNT_FACTOR_F)));
    roundspark.setStartSize(1.2f);
    roundspark.setEndSize(1.8f);
    roundspark.setShape(new EmitterSphereShape(Vector3f.ZERO, 2f));
    roundspark.setParticlesPerSec(0);
    roundspark.setGravity(0, -.5f, 0);
    roundspark.setLowLife(1.8f);
    roundspark.setHighLife(2f);
    roundspark.setInitialVelocity(new Vector3f(0, 3, 0));
    roundspark.setVelocityVariation(.5f);
    roundspark.setImagesX(1);
    roundspark.setImagesY(1);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/roundspark.png"));
    mat.setBoolean("PointSprite", POINT_SPRITE);
    roundspark.setMaterial(mat);
    explosionEffect.attachChild(roundspark);
}
 

private void createSpark(){
    spark = new ParticleEmitter("Spark", Type.Triangle, 30 * COUNT_FACTOR);
    spark.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1.0f / COUNT_FACTOR_F)));
    spark.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
    spark.setStartSize(.5f);
    spark.setEndSize(.5f);
    spark.setFacingVelocity(true);
    spark.setParticlesPerSec(0);
    spark.setGravity(0, 5, 0);
    spark.setLowLife(1.1f);
    spark.setHighLife(1.5f);
    spark.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 20, 0));
    spark.getParticleInfluencer().setVelocityVariation(1);
    spark.setImagesX(1);
    spark.setImagesY(1);
    Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/spark.png"));
    spark.setMaterial(mat);
    explosionEffect.attachChild(spark);
}
 

private void createSmokeTrail(){
        smoketrail = new ParticleEmitter("SmokeTrail", Type.Triangle, 22 * COUNT_FACTOR);
        smoketrail.setStartColor(new ColorRGBA(1f, 0.8f, 0.36f, (float) (1.0f / COUNT_FACTOR_F)));
        smoketrail.setEndColor(new ColorRGBA(1f, 0.8f, 0.36f, 0f));
        smoketrail.setStartSize(.2f);
        smoketrail.setEndSize(1f);

//        smoketrail.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
        smoketrail.setFacingVelocity(true);
        smoketrail.setParticlesPerSec(0);
        smoketrail.setGravity(0, 1, 0);
        smoketrail.setLowLife(.4f);
        smoketrail.setHighLife(.5f);
        smoketrail.setInitialVelocity(new Vector3f(0, 12, 0));
        smoketrail.setVelocityVariation(1);
        smoketrail.setImagesX(1);
        smoketrail.setImagesY(3);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/smoketrail.png"));
        smoketrail.setMaterial(mat);
        explosionEffect.attachChild(smoketrail);
    }
 

private void createDebris(){
        debris = new ParticleEmitter("Debris", Type.Triangle, 15 * COUNT_FACTOR);
        debris.setSelectRandomImage(true);
        debris.setRandomAngle(true);
        debris.setRotateSpeed(FastMath.TWO_PI * 4);
        debris.setStartColor(new ColorRGBA(1f, 0.59f, 0.28f, (float) (1.0f / COUNT_FACTOR_F)));
        debris.setEndColor(new ColorRGBA(.5f, 0.5f, 0.5f, 0f));
        debris.setStartSize(.2f);
        debris.setEndSize(.2f);

//        debris.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
        debris.setParticlesPerSec(0);
        debris.setGravity(0, 12f, 0);
        debris.setLowLife(1.4f);
        debris.setHighLife(1.5f);
        debris.setInitialVelocity(new Vector3f(0, 15, 0));
        debris.setVelocityVariation(.60f);
        debris.setImagesX(3);
        debris.setImagesY(3);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/Debris.png"));
        debris.setMaterial(mat);
        explosionEffect.attachChild(debris);
    }
 

private void createShockwave(){
        shockwave = new ParticleEmitter("Shockwave", Type.Triangle, 1 * COUNT_FACTOR);
//        shockwave.setRandomAngle(true);
        shockwave.setFaceNormal(Vector3f.UNIT_Y);
        shockwave.setStartColor(new ColorRGBA(.48f, 0.17f, 0.01f, (float) (.8f / COUNT_FACTOR_F)));
        shockwave.setEndColor(new ColorRGBA(.48f, 0.17f, 0.01f, 0f));

        shockwave.setStartSize(0f);
        shockwave.setEndSize(7f);

        shockwave.setParticlesPerSec(0);
        shockwave.setGravity(0, 0, 0);
        shockwave.setLowLife(0.5f);
        shockwave.setHighLife(0.5f);
        shockwave.setInitialVelocity(new Vector3f(0, 0, 0));
        shockwave.setVelocityVariation(0f);
        shockwave.setImagesX(1);
        shockwave.setImagesY(1);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/shockwave.png"));
        shockwave.setMaterial(mat);
        explosionEffect.attachChild(shockwave);
    }
 

private void createDebris(){
        debris = new ParticleEmitter("Debris", Type.Triangle, 15 * COUNT_FACTOR);
        debris.setSelectRandomImage(true);
        debris.setRandomAngle(true);
        debris.setRotateSpeed(FastMath.TWO_PI * 4);
        debris.setStartColor(new ColorRGBA(1f, 0.59f, 0.28f, 1.0f / COUNT_FACTOR_F));
        debris.setEndColor(new ColorRGBA(.5f, 0.5f, 0.5f, 0f));
        debris.setStartSize(.2f);
        debris.setEndSize(.2f);

//        debris.setShape(new EmitterSphereShape(Vector3f.ZERO, .05f));
        debris.setParticlesPerSec(0);
        debris.setGravity(0, 12f, 0);
        debris.setLowLife(1.4f);
        debris.setHighLife(1.5f);
        debris.getParticleInfluencer()
                .setInitialVelocity(new Vector3f(0, 15, 0));
        debris.getParticleInfluencer().setVelocityVariation(.60f);
        debris.setImagesX(3);
        debris.setImagesY(3);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/Debris.png"));
        debris.setMaterial(mat);
        explosionEffect.attachChild(debris);
    }
 

@Override
public Node apply(Node node, BlenderContext blenderContext) {
    if (invalid) {
        LOGGER.log(Level.WARNING, "Particles modifier is invalid! Cannot be applied to: {0}", node.getName());
        return node;
    }

    MaterialHelper materialHelper = blenderContext.getHelper(MaterialHelper.class);
    ParticleEmitter emitter = particleEmitter.clone();

    // veryfying the alpha function for particles' texture
    Integer alphaFunction = MaterialHelper.ALPHA_MASK_HYPERBOLE;
    char nameSuffix = emitter.getName().charAt(emitter.getName().length() - 1);
    if (nameSuffix == 'B' || nameSuffix == 'N') {
        alphaFunction = MaterialHelper.ALPHA_MASK_NONE;
    }
    // removing the type suffix from the name
    emitter.setName(emitter.getName().substring(0, emitter.getName().length() - 1));

    // applying emitter shape
    EmitterShape emitterShape = emitter.getShape();
    List<Mesh> meshes = new ArrayList<Mesh>();
    for (Spatial spatial : node.getChildren()) {
        if (spatial instanceof Geometry) {
            Mesh mesh = ((Geometry) spatial).getMesh();
            if (mesh != null) {
                meshes.add(mesh);
                Material material = materialHelper.getParticlesMaterial(((Geometry) spatial).getMaterial(), alphaFunction, blenderContext);
                emitter.setMaterial(material);// TODO: divide into several pieces
            }
        }
    }
    if (meshes.size() > 0 && emitterShape instanceof EmitterMeshVertexShape) {
        ((EmitterMeshVertexShape) emitterShape).setMeshes(meshes);
    }

    node.attachChild(emitter);
    return node;
}
 

public void setEmmitersEnable(Spatial s, boolean val) {
	if (s instanceof ParticleEmitter) {
		((ParticleEmitter) s).setEnabled(!val);
	}
	if (s instanceof Node) {
		for (Spatial child : ((Node) s).getChildren()) {
			setEmmitersEnable(child, val);
		}
	}
}