How to use

update

method

in

com.badlogic.gdx.graphics.g3d.particles.ParticleController

/** Updates the particles data */
public void update () {
  update(Gdx.graphics.getDeltaTime());
}

/** Updates the particles data */
public void update () {
  update(Gdx.graphics.getDeltaTime());
}

public void update (float deltaTime) {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update(deltaTime);
}

public void update (float deltaTime) {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update(deltaTime);
}

public void update () {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update();
}

public void update () {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update();
}

@Override
public void update () {
  for (int i = 0, positionOffset = 0, c = controller.particles.size; i < c; ++i, positionOffset += positionChannel.strideSize) {
    ParticleController particleController = controllerChannel.data[i];
    float scale = hasScale ? scaleChannel.data[i] : 1;
    float qx = 0, qy = 0, qz = 0, qw = 1;
    if (hasRotation) {
      int rotationOffset = i * rotationChannel.strideSize;
      qx = rotationChannel.data[rotationOffset + ParticleChannels.XOffset];
      qy = rotationChannel.data[rotationOffset + ParticleChannels.YOffset];
      qz = rotationChannel.data[rotationOffset + ParticleChannels.ZOffset];
      qw = rotationChannel.data[rotationOffset + ParticleChannels.WOffset];
    }
    particleController.setTransform(positionChannel.data[positionOffset + ParticleChannels.XOffset],
      positionChannel.data[positionOffset + ParticleChannels.YOffset], positionChannel.data[positionOffset
        + ParticleChannels.ZOffset], qx, qy, qz, qw, scale);
    particleController.update();
  }
}

@Override
public void update () {
  for (int i = 0, positionOffset = 0, c = controller.particles.size; i < c; ++i, positionOffset += positionChannel.strideSize) {
    ParticleController particleController = controllerChannel.data[i];
    float scale = hasScale ? scaleChannel.data[i] : 1;
    float qx = 0, qy = 0, qz = 0, qw = 1;
    if (hasRotation) {
      int rotationOffset = i * rotationChannel.strideSize;
      qx = rotationChannel.data[rotationOffset + ParticleChannels.XOffset];
      qy = rotationChannel.data[rotationOffset + ParticleChannels.YOffset];
      qz = rotationChannel.data[rotationOffset + ParticleChannels.ZOffset];
      qw = rotationChannel.data[rotationOffset + ParticleChannels.WOffset];
    }
    particleController.setTransform(positionChannel.data[positionOffset + ParticleChannels.XOffset],
      positionChannel.data[positionOffset + ParticleChannels.YOffset], positionChannel.data[positionOffset
        + ParticleChannels.ZOffset], qx, qy, qz, qw, scale);
    particleController.update();
  }
}

  @Override
  protected void render (ModelBatch batch, Array<ModelInstance> instances) {
    if(emitters.size > 0){
      //Update
      float delta = Gdx.graphics.getDeltaTime();
      builder.delete(0, builder.length());
      builder.append(Gdx.graphics.getFramesPerSecond());
      fpsLabel.setText(builder);
      ui.act(delta);

      billboardParticleBatch.begin();
      for (ParticleController controller : emitters){
        controller.update();
        controller.draw();
      }
      billboardParticleBatch.end();
      batch.render(billboardParticleBatch, environment);
    }
    batch.render(instances, environment);
    ui.draw();
  }
}

public void update () {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update();
}

public void update (float deltaTime) {
  for (int i = 0, n = controllers.size; i < n; i++)
    controllers.get(i).update(deltaTime);
}

/** Updates the particles data */
public void update () {
  update(Gdx.graphics.getDeltaTime());
}

@Override
public void update () {
  for (int i = 0, positionOffset = 0, c = controller.particles.size; i < c; ++i, positionOffset += positionChannel.strideSize) {
    ParticleController particleController = controllerChannel.data[i];
    float scale = hasScale ? scaleChannel.data[i] : 1;
    float qx = 0, qy = 0, qz = 0, qw = 1;
    if (hasRotation) {
      int rotationOffset = i * rotationChannel.strideSize;
      qx = rotationChannel.data[rotationOffset + ParticleChannels.XOffset];
      qy = rotationChannel.data[rotationOffset + ParticleChannels.YOffset];
      qz = rotationChannel.data[rotationOffset + ParticleChannels.ZOffset];
      qw = rotationChannel.data[rotationOffset + ParticleChannels.WOffset];
    }
    particleController.setTransform(positionChannel.data[positionOffset + ParticleChannels.XOffset],
      positionChannel.data[positionOffset + ParticleChannels.YOffset], positionChannel.data[positionOffset
        + ParticleChannels.ZOffset], qx, qy, qz, qw, scale);
    particleController.update();
  }
}