87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
//
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// Filename : NodeLight.h
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// Author(s) : Stephane Grabli
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// Purpose : Class to represent a light node
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// Date of creation : 25/01/2002
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) : Please refer to the COPYRIGHT file distributed
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// with this source distribution.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef NODELIGHT_H
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# define NODELIGHT_H
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# include "../geometry/Geom.h"
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# include "../system/FreestyleConfig.h"
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# include "Node.h"
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using namespace Geometry;
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class LIB_SCENE_GRAPH_EXPORT NodeLight : public Node
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{
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public:
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NodeLight();
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NodeLight(NodeLight& iBrother);
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virtual ~NodeLight() {}
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/*! Accept the corresponding visitor */
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virtual void accept(SceneVisitor& v);
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/*! Accessors for the light properties */
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inline const float * ambient() const {return Ambient;}
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inline const float * diffuse() const {return Diffuse;}
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inline const float * specular() const {return Specular;}
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inline const float * position() const {return Position;}
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inline bool isOn() const {return on;}
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inline int number() const {return _number;}
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private:
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// Data members
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// ============
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/*! on=true, the light is on */
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bool on;
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/*! The color definition */
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float Ambient[4];
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float Diffuse[4];
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float Specular[4];
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/*! Light position. if w = 0, the light is
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* placed at infinite.
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*/
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float Position[4];
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/*! used to manage the number of lights */
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/*! numberOfLights
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* the number of lights in the scene.
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* Initially, 0.
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*/
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static int numberOfLights;
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/*! The current lignt number */
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int _number;
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};
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#endif // NODELIGHT_H
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