How to use

TranslucentBucketFilter

in

com.jme3.post.filters

@Override
protected void setDepthTexture(Texture depthTexture) {
  this.depthTexture = depthTexture;
  if (enabledSoftParticles && depthTexture != null) {
    initSoftParticles(viewPort, true);
  }
}

private void initSoftParticles(ViewPort vp, boolean enabledSP) {
  if (depthTexture != null) {
    for (Spatial scene : vp.getScenes()) {
      makeSoftParticleEmitter(scene, enabledSP && enabled);
    }
  }
}

  leftPostProcessor.addFilter(new TranslucentBucketFilter());
  rightPostProcessor.addFilter(new TranslucentBucketFilter());
} else {
  throw new IllegalStateException("This VR environment is not attached to any application.");

  getLeftPostProcessor().addFilter(new TranslucentBucketFilter());
  getRightPostProcessor().addFilter(new TranslucentBucketFilter());
} else {
  throw new IllegalStateException("The VR environment is not attached to any application.");

@Override
protected void cleanUpFilter(Renderer r) {
  if (renderManager != null) {
    renderManager.setHandleTranslucentBucket(true);
  }
  initSoftParticles(viewPort, false);
}

  private void makeSoftParticleEmitter(Spatial scene, boolean enabled) {
    if (scene instanceof Node) {
      Node n = (Node) scene;
      for (Spatial child : n.getChildren()) {
        makeSoftParticleEmitter(child, enabled);
      }
    }
    if (scene instanceof ParticleEmitter) {
      ParticleEmitter emitter = (ParticleEmitter) scene;
      if (enabled) {
        enabledSoftParticles = enabled;

        emitter.getMaterial().selectTechnique("SoftParticles", renderManager);
        if( processor.getNumSamples()>1){
          emitter.getMaterial().setInt("NumSamplesDepth", processor.getNumSamples());
        }
        emitter.getMaterial().setTexture("DepthTexture", processor.getDepthTexture());               
        emitter.setQueueBucket(RenderQueue.Bucket.Translucent);

        logger.log(Level.FINE, "Made particle Emitter {0} soft.", emitter.getName());
      } else {
        emitter.getMaterial().clearParam("DepthTexture");
        emitter.getMaterial().selectTechnique("Default", renderManager);
        // emitter.setQueueBucket(RenderQueue.Bucket.Transparent);
        logger.log(Level.FINE, "Particle Emitter {0} is not soft anymore.", emitter.getName());
      }
    }
  }
}

tbf = new TranslucentBucketFilter(true);
fpp.addFilter(tbf);
int samples = context.getSettings().getSamples();

@Override
public void setEnabled(boolean enabled) {
  super.setEnabled(enabled);
  if (renderManager != null) {
    renderManager.setHandleTranslucentBucket(!enabled);
  }
  initSoftParticles(viewPort, enabledSoftParticles);
}

private void initSoftParticles(ViewPort vp, boolean enabledSP) {
  if (depthTexture != null) {
    for (Spatial scene : vp.getScenes()) {
      makeSoftParticleEmitter(scene, enabledSP && enabled);
    }
  }
}

@Override
protected void initFilter(AssetManager manager, RenderManager rm, ViewPort vp, int w, int h) {
  this.renderManager = rm;
  this.viewPort = vp;
  material = new Material(manager, "Common/MatDefs/Post/Overlay.j3md");
  material.setColor("Color", ColorRGBA.White);
  Texture2D tex = processor.getFilterTexture();
  material.setTexture("Texture", tex);
  if (tex.getImage().getMultiSamples() > 1) {
    material.setInt("NumSamples", tex.getImage().getMultiSamples());
  } else {
    material.clearParam("NumSamples");
  }
  renderManager.setHandleTranslucentBucket(false);
  if (enabledSoftParticles && depthTexture != null) {
    initSoftParticles(vp, true);
  }
}

private void initSoftParticles(ViewPort vp, boolean enabledSP) {
  if (depthTexture != null) {
    for (Spatial scene : vp.getScenes()) {
      makeSoftParticleEmitter(scene, enabledSP && enabled);
    }
  }
}

@Override
protected void setDepthTexture(Texture depthTexture) {
  this.depthTexture = depthTexture;
  if (enabledSoftParticles && depthTexture != null) {
    initSoftParticles(viewPort, true);
  }
}

private void initSoftParticles(ViewPort vp, boolean enabledSP) {
  if (depthTexture != null) {
    for (Spatial scene : vp.getScenes()) {
      makeSoftParticleEmitter(scene, enabledSP && enabled);
    }
  }
}

@Override
protected void setDepthTexture(Texture depthTexture) {
  this.depthTexture = depthTexture;
  if (enabledSoftParticles && depthTexture != null) {
    initSoftParticles(viewPort, true);
  }
}

  private void makeSoftParticleEmitter(Spatial scene, boolean enabled) {
    if (scene instanceof Node) {
      Node n = (Node) scene;
      for (Spatial child : n.getChildren()) {
        makeSoftParticleEmitter(child, enabled);
      }
    }
    if (scene instanceof ParticleEmitter) {
      ParticleEmitter emitter = (ParticleEmitter) scene;
      if (enabled) {
        enabledSoftParticles = enabled;

        emitter.getMaterial().selectTechnique("SoftParticles", renderManager);
        if( processor.getNumSamples()>1){
          emitter.getMaterial().setInt("NumSamplesDepth", processor.getNumSamples());
        }
        emitter.getMaterial().setTexture("DepthTexture", processor.getDepthTexture());               
        emitter.setQueueBucket(RenderQueue.Bucket.Translucent);

        logger.log(Level.FINE, "Made particle Emitter {0} soft.", emitter.getName());
      } else {
        emitter.getMaterial().clearParam("DepthTexture");
        emitter.getMaterial().selectTechnique("Default", renderManager);
        // emitter.setQueueBucket(RenderQueue.Bucket.Transparent);
        logger.log(Level.FINE, "Particle Emitter {0} is not soft anymore.", emitter.getName());
      }
    }
  }
}

@Override
protected void setDepthTexture(Texture depthTexture) {
  this.depthTexture = depthTexture;
  if (enabledSoftParticles && depthTexture != null) {
    initSoftParticles(viewPort, true);
  }
}

Node n = (Node) scene;
for (Spatial child : n.getChildren()) {
  makeSoftParticleEmitter(child, enabled);

@Override
protected void cleanUpFilter(Renderer r) {
  if (renderManager != null) {
    renderManager.setHandleTranslucentBucket(true);
  }
  initSoftParticles(viewPort, false);
}

Node n = (Node) scene;
for (Spatial child : n.getChildren()) {
  makeSoftParticleEmitter(child, enabled);

@Override
protected void cleanUpFilter(Renderer r) {
  if (renderManager != null) {
    renderManager.setHandleTranslucentBucket(true);
  }
  initSoftParticles(viewPort, false);
}