blob: 0689505fb24b4e4ca1e8f7fe91849a4aea805d31 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
//
// Filename : NodeLight.h
// Author(s) : Stephane Grabli
// Purpose : Class to represent a light node
// Date of creation : 25/01/2002
//
///////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef NODELIGHT_H
# define NODELIGHT_H
# include "../geometry/Geom.h"
# include "../system/FreestyleConfig.h"
# include "Node.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 // NODELIGHT_H
|
