@Override
            protected void initialize(Application app){
                createFlame();
                createFlash();
                createSpark();
                createRoundSpark();
                createSmokeTrail();
                createDebris();
                createShockwave();
                explosionEffect.setLocalScale(0.5f);
                app.getRenderManager().preloadScene(explosionEffect);

                Camera camera = app.getCamera();
                camera.setLocation(new Vector3f(0, 3.5135868f, 10));
                camera.setRotation(new Quaternion(1.5714673E-4f, 0.98696727f, -0.16091813f, 9.6381607E-4f));
                Node rootNode = ((SimpleApplication)app).getRootNode();
                rootNode.attachChild(explosionEffect);
            }
This test's particle effects (using an explosion)
jme3-screenshot-tests/src/test/java/org/jmonkeyengine/screenshottests/effects/TestExplosionEffect.java