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
|
#ifndef VPYTHON_LIGHT_HPP
#define VPYTHON_LIGHT_HPP
#pragma once
// Copyright (c) 2004 by Jonathan Brandmeyer and others.
// See the file license.txt for complete license terms.
// See the file authors.txt for a complete list of contributors.
#include "util/tmatrix.hpp"
#include "util/rgba.hpp"
#include "renderable.hpp"
namespace cvisual {
class light : public renderable
{
protected:
rgb color;
virtual vertex get_vertex(double gcf) = 0;
public:
virtual rgb get_color() { return color; }
virtual void set_color( const rgb& r ) { color = r; }
// renderable protocol
virtual void outer_render( const view& ) {}
virtual vector get_center() const { return vector(); }
virtual void set_material( shared_ptr<class material> ) { throw std::invalid_argument("light object does not have a material."); }
virtual shared_ptr<class material> get_material() { throw std::invalid_argument("light object does not have a material."); }
virtual bool is_light() { return true; }
virtual void render_lights( view& );
};
class local_light : public light {
protected:
vector position;
virtual vertex get_vertex(double gcf) { return vertex( position*gcf, 1.0 ); }
public:
virtual const vector& get_pos() { return position; }
virtual void set_pos(const vector& v) { position = v; }
};
class distant_light : public light {
protected:
vector direction;
virtual vertex get_vertex(double gcf) { return vertex( direction, 0.0 ); }
public:
virtual const vector& get_direction() { return direction; }
virtual void set_direction(const vector& v) { direction = v.norm(); }
};
} // !namespace cvisual
#endif
|
