Smoke effects of andengine using particle systems

I didn't spend too much time on research, so the effect was average and I was not very satisfied. Smoke floated from the right of the screen to the left. If it is changed to the vertical direction, it will feel more like steam.

Put the code below:

@Overrideprotected Scene onCreateScene() {final Scene scene = new Scene();Sprite background = new Sprite(0, 0, backgroundTextureRegion, getVertexBufferObjectManager());scene.attachChild(background);RectangleParticleEmitter emitter = new RectangleParticleEmitter(CAMERA_WIDTH, CAMERA_HEIGHT / 2, 1, CAMERA_HEIGHT);final SpriteParticleSystem particleSystem = new SpriteParticleSystem(emitter, 10, 90, 360, mParticleTextureRegion, getVertexBufferObjectManager());particleSystem.addParticleInitializer(new ColorParticleInitializer<Sprite>(0.45f, 0.45f, 0.45f));particleSystem.addParticleInitializer(new AlphaParticleInitializer<Sprite>(0));particleSystem.addParticleInitializer(new BlendFunctionParticleInitializer<Sprite>(GLES20.GL_SRC_ALPHA, GLES20.GL_ONE));particleSystem.addParticleInitializer(new VelocityParticleInitializer<Sprite>(-50, -5, -5, 5));particleSystem.addParticleInitializer(new RotationParticleInitializer<Sprite>(0.0f, 360.0f));particleSystem.addParticleInitializer(new ExpireParticleInitializer<Sprite>(9));particleSystem.addParticleModifier(new ScaleParticleModifier<Sprite>(0, 1, 1.0f, 3.0f));particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(0, 2, 0, 0.45f, 0, 0.45f, 0, 0.45f));particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(3, 5, 0.45f, 0, 0.45f, 0, 0.45f, 0));particleSystem.addParticleModifier(new ColorParticleModifier<Sprite>(6, 9, 0, 0.45f, 0, 0.45f, 0, 0.45f));particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(0, 1, 0, 0.25f));particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(2, 5, 0.25f, 0));particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(6, 7, 0.25f, 0));particleSystem.addParticleModifier(new AlphaParticleModifier<Sprite>(8, 9, 0.25f, 0));scene.attachChild(particleSystem);scene.setOnSceneTouchListener(new IOnSceneTouchListener() {public boolean onSceneTouchEvent(Scene pScene, TouchEvent pSceneTouchEvent) {if (pSceneTouchEvent.isActionUp()) {particleSystem.setParticlesSpawnEnabled(false);}return false;}});return scene;}

The image used for Particle effect is also the image in the andengine example.