How to use

com.badlogic.gdx.graphics.g3d.particles.influencers.DynamicsModifier$BrownianAcceleration

constructor

private DynamicsModifier createVelocityValue (Object selectedItem) {
  DynamicsModifier velocityValue = null;
  if(selectedItem == VEL_TYPE_ROTATIONAL_2D) velocityValue = new DynamicsModifier.Rotational2D();
  else if(selectedItem == VEL_TYPE_ROTATIONAL_3D) velocityValue = new DynamicsModifier.Rotational3D();
  else if(selectedItem == VEL_TYPE_CENTRIPETAL) velocityValue = new DynamicsModifier.CentripetalAcceleration();
  else if(selectedItem == VEL_TYPE_TANGENTIAL) velocityValue = new DynamicsModifier.TangentialAcceleration();
  else if(selectedItem == VEL_TYPE_POLAR) velocityValue = new DynamicsModifier.PolarAcceleration();
  else if(selectedItem == VEL_TYPE_BROWNIAN) velocityValue = new DynamicsModifier.BrownianAcceleration();
  else if(selectedItem == VEL_TYPE_FACE) velocityValue = new DynamicsModifier.FaceDirection();
  return velocityValue;
}
 

  @Override
  public BrownianAcceleration copy () {
    return new BrownianAcceleration(this);
  }
}

BrownianAcceleration modifier = new BrownianAcceleration();
modifier.strengthValue.setTimeline(new float[]{0,1});
modifier.strengthValue.setScaling(new float[]{0,1});

private DynamicsModifier createVelocityValue (Object selectedItem) {
  DynamicsModifier velocityValue = null;
  if(selectedItem == VEL_TYPE_ROTATIONAL_2D) velocityValue = new DynamicsModifier.Rotational2D();
  else if(selectedItem == VEL_TYPE_ROTATIONAL_3D) velocityValue = new DynamicsModifier.Rotational3D();
  else if(selectedItem == VEL_TYPE_CENTRIPETAL) velocityValue = new DynamicsModifier.CentripetalAcceleration();
  else if(selectedItem == VEL_TYPE_TANGENTIAL) velocityValue = new DynamicsModifier.TangentialAcceleration();
  else if(selectedItem == VEL_TYPE_POLAR) velocityValue = new DynamicsModifier.PolarAcceleration();
  else if(selectedItem == VEL_TYPE_BROWNIAN) velocityValue = new DynamicsModifier.BrownianAcceleration();
  else if(selectedItem == VEL_TYPE_FACE) velocityValue = new DynamicsModifier.FaceDirection();
  return velocityValue;
}

private DynamicsModifier createVelocityValue (Object selectedItem) {
  DynamicsModifier velocityValue = null;
  if(selectedItem == VEL_TYPE_ROTATIONAL_2D) velocityValue = new DynamicsModifier.Rotational2D();
  else if(selectedItem == VEL_TYPE_ROTATIONAL_3D) velocityValue = new DynamicsModifier.Rotational3D();
  else if(selectedItem == VEL_TYPE_CENTRIPETAL) velocityValue = new DynamicsModifier.CentripetalAcceleration();
  else if(selectedItem == VEL_TYPE_TANGENTIAL) velocityValue = new DynamicsModifier.TangentialAcceleration();
  else if(selectedItem == VEL_TYPE_POLAR) velocityValue = new DynamicsModifier.PolarAcceleration();
  else if(selectedItem == VEL_TYPE_BROWNIAN) velocityValue = new DynamicsModifier.BrownianAcceleration();
  else if(selectedItem == VEL_TYPE_FACE) velocityValue = new DynamicsModifier.FaceDirection();
  return velocityValue;
}

  @Override
  public BrownianAcceleration copy () {
    return new BrownianAcceleration(this);
  }
}

  @Override
  public BrownianAcceleration copy () {
    return new BrownianAcceleration(this);
  }
}