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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* 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.
*/
#ifndef __FREESTYLE_NODE_LIGHT_H__
#define __FREESTYLE_NODE_LIGHT_H__
/** \file
* \ingroup freestyle
* \brief Class to represent a light node
*/
#include "Node.h"
#include "../geometry/Geom.h"
#include "../system/FreestyleConfig.h"
namespace Freestyle {
using namespace Geometry;
class 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;
};
} /* namespace Freestyle */
#endif // __FREESTYLE_NODE_LIGHT_H__
|
