How to use

getMaterial

method

in

com.jme3.effect.ParticleEmitter

  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());
      }
    }
  }
}

/**
 * Callback from Control.render(), do not use.
 *
 * @param rm
 * @param vp
 */
private void renderFromControl(RenderManager rm, ViewPort vp) {
  Camera cam = vp.getCamera();
  if (meshType == ParticleMesh.Type.Point) {
    float C = cam.getProjectionMatrix().m00;
    C *= cam.getWidth() * 0.5f;
    // send attenuation params
    this.getMaterial().setFloat("Quadratic", C);
  }
  Matrix3f inverseRotation = Matrix3f.IDENTITY;
  TempVars vars = null;
  if (!worldSpace) {
    vars = TempVars.get();
    inverseRotation = this.getWorldRotation().toRotationMatrix(vars.tempMat3).invertLocal();
  }
  particleMesh.updateParticleData(particles, cam, inverseRotation);
  if (!worldSpace) {
    vars.release();
  }
}

  emitter.getMaterial().selectTechnique("SoftParticles15", renderManager);
  emitter.getMaterial().setInt("NumSamplesDepth", processor.getNumSamples());
}else{
  emitter.getMaterial().selectTechnique("SoftParticles", renderManager);
emitter.getMaterial().setTexture("DepthTexture", processor.getDepthTexture());               
emitter.setQueueBucket(RenderQueue.Bucket.Translucent);
emitter.getMaterial().clearParam("DepthTexture");
emitter.getMaterial().selectTechnique("Default", renderManager);

  emitter.getMaterial().selectTechnique("SoftParticles15", renderManager);
  emitter.getMaterial().setInt("NumSamplesDepth", processor.getNumSamples());
}else{
  emitter.getMaterial().selectTechnique("SoftParticles", renderManager);
emitter.getMaterial().setTexture("DepthTexture", processor.getDepthTexture());               
emitter.setQueueBucket(RenderQueue.Bucket.Translucent);
emitter.getMaterial().clearParam("DepthTexture");
emitter.getMaterial().selectTechnique("Default", renderManager);

  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());
      }
    }
  }
}

/**
 * Callback from Control.render(), do not use.
 *
 * @param rm
 * @param vp
 */
private void renderFromControl(RenderManager rm, ViewPort vp) {
  Camera cam = vp.getCamera();
  if (meshType == ParticleMesh.Type.Point) {
    float C = cam.getProjectionMatrix().m00;
    C *= cam.getWidth() * 0.5f;
    // send attenuation params
    this.getMaterial().setFloat("Quadratic", C);
  }
  Matrix3f inverseRotation = Matrix3f.IDENTITY;
  TempVars vars = null;
  if (!worldSpace) {
    vars = TempVars.get();
    inverseRotation = this.getWorldRotation().toRotationMatrix(vars.tempMat3).invertLocal();
  }
  particleMesh.updateParticleData(particles, cam, inverseRotation);
  if (!worldSpace) {
    vars.release();
  }
}

/**
 * Callback from Control.render(), do not use.
 * 
 * @param rm
 * @param vp 
 */
private void renderFromControl(RenderManager rm, ViewPort vp) {
  Camera cam = vp.getCamera();
  if (meshType == ParticleMesh.Type.Point) {
    float C = cam.getProjectionMatrix().m00;
    C *= cam.getWidth() * 0.5f;
    // send attenuation params
    this.getMaterial().setFloat("Quadratic", C);
  }
  Matrix3f inverseRotation = Matrix3f.IDENTITY;
  TempVars vars = null;
  if (!worldSpace) {
    vars = TempVars.get();
    inverseRotation = this.getWorldRotation().toRotationMatrix(vars.tempMat3).invertLocal();
  }
  particleMesh.updateParticleData(particles, cam, inverseRotation);
  if (!worldSpace) {
    vars.release();
  }
}