private ParticleEmitter makeFireEffect() {
        ParticleEmitter fire = new ParticleEmitter("Emitter", ParticleMesh.Type.Triangle, 15);

        Material fireMat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
        fireMat.setTexture("Texture", assetManager.loadTexture("Effects/flame.png"));
        fire.setMaterial(fireMat);
        fire.setImagesX(2);
        fire.setImagesY(2);
        fire.setEndColor(new ColorRGBA(1f, 0f, 0f, 1f));
        fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f));
        fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0, 1.5f, 0));
        fire.setStartSize(0.4f);
        fire.setEndSize(0.1f);
        fire.setGravity(0, 0, 0);
        fire.setLowLife(.5f);
        fire.setHighLife(1.5f);
        fire.getParticleInfluencer().setVelocityVariation(0.3f);

        return fire;
    }