ResInsight/Fwk/VizFwk/LibUtilities/cvfuPointLight.cpp
sigurdp bbebebadd5 Added complete VizFwk
Added the complete VizFwk from the ResInsight branch in Perforce as of
changelist 190.
2013-11-01 08:49:42 +01:00

142 lines
4.5 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cvfBase.h"
#include "cvfUniform.h"
#include "cvfUniformSet.h"
#include "cvfTransform.h"
#include "cvfCamera.h"
#include "cvfRendering.h"
#include "cvfuPointLight.h"
namespace cvfu {
using cvf::ref;
using cvf::Vec3d;
using cvf::Vec3f;
using cvf::Mat4d;
//==================================================================================================
///
/// \class cvfu::PointLight
/// \ingroup Utilities
///
///
///
//==================================================================================================
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PointLight::PointLight()
: m_position(0, 0, 0),
m_uniformSet(new cvf::UniformSet),
m_markerTransform(new cvf::Transform)
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PointLight::~PointLight()
{
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PointLight::setPosition(Vec3d position)
{
m_position = position;
Mat4d m;
m.setTranslation(m_position);
m_markerTransform->setLocalTransform(m);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
Vec3d PointLight::position() const
{
return m_position;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PointLight::update(cvf::Rendering* rendering)
{
m_uniformSet->setUniform(new cvf::UniformFloat("u_wcLightPosition", Vec3f(m_position)));
cvf::Camera* cam = rendering->camera();
const Mat4d& vm = cam->viewMatrix();
Vec3f ecPos = Vec3f(m_position.getTransformedPoint(vm));
m_uniformSet->setUniform(new cvf::UniformFloat("u_ecLightPosition", ecPos));
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::UniformSet* PointLight::uniformSet()
{
return m_uniformSet.p();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
cvf::Transform* PointLight::markerTransform()
{
return m_markerTransform.p();
}
} // namespace cvfu