flame.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, 1f));
flame.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
flame.setStartSize(size);
flame.setEndSize(size);
//flame.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
flame.setShape(new EmitterPointShape(Vector3f.ZERO));
flame.setParticlesPerSec(20);
flame.setGravity(-5f);
flame.setLowLife(1f);
flame.setHighLife(1.5f);
//flame.setInitialVelocity(new Vector3f(0, 7, 0));