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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __FREESTYLE_NODE_LIGHT_H__
#define __FREESTYLE_NODE_LIGHT_H__
/** \file blender/freestyle/intern/scene_graph/NodeLight.h
* \ingroup freestyle
* \brief Class to represent a light node
* \author Stephane Grabli
* \date 25/01/2002
*/
#include "Node.h"
#include "../geometry/Geom.h"
#include "../system/FreestyleConfig.h"
using namespace Geometry;
class LIB_SCENE_GRAPH_EXPORT NodeLight : public Node
{
public:
NodeLight();
NodeLight(NodeLight& iBrother);
virtual ~NodeLight() {}
/*! Accept the corresponding visitor */
virtual void accept(SceneVisitor& v);
/*! Accessors for the light properties */
inline const float * ambient() const
{
return Ambient;
}
inline const float * diffuse() const
{
return Diffuse;
}
inline const float * specular() const
{
return Specular;
}
inline const float * position() const
{
return Position;
}
inline bool isOn() const
{
return on;
}
inline int number() const
{
return _number;
}
private:
// Data members
// ============
/*! on=true, the light is on */
bool on;
/*! The color definition */
float Ambient[4];
float Diffuse[4];
float Specular[4];
/*! Light position. if w = 0, the light is placed at infinite. */
float Position[4];
/*! used to manage the number of lights */
/*! numberOfLights
* the number of lights in the scene.
* Initially, 0.
*/
static int numberOfLights;
/*! The current lignt number */
int _number;
};
#endif // __FREESTYLE_NODE_LIGHT_H__
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