dungeon_crawler

view prototype/src/light.h @ 60:aa86119e3295

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added multipass deferred
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 25 Sep 2012 06:19:37 +0300
parents f3030df27110
children d89b403f630b
line source
1 #ifndef LIGHT_H_
2 #define LIGHT_H_
3
4 #include "color.h"
5
6 class Light {
7 protected:
8 float intensity;
9 Color color;
10
11 float flicker_offset;
12
13 // VBO for rendering the light source
14 unsigned int vbo;
15 unsigned int num_faces;
16
17 virtual bool create_mesh();
18
19 public:
20 Light(const Color &col = 1.0);
21 virtual ~Light();
22
23 virtual void set_intensity(float val);
24 virtual void set_color(const Color &col);
25
26 virtual Color get_color(bool with_intensity = true) const;
27
28 virtual void use(int id = 0) const;
29
30 virtual void draw() const;
31 };
32
33 class PointLight : public Light {
34 protected:
35 Vector3 pos;
36 float atten[3];
37 float radius;
38
39 static unsigned int sph_vbo;
40
41 bool create_mesh();
42
43 public:
44 PointLight();
45 PointLight(const Vector3 &pos, const Color &col = 1.0);
46
47 void set_position(const Vector3 &pos);
48 const Vector3 &get_position() const;
49
50 void set_attenuation(float att_const, float att_lin, float att_quad);
51
52 void set_radius(float rad);
53 float get_radius() const;
54
55 virtual void use(int id = 0) const;
56
57 virtual void draw() const;
58 };
59
60 class DirLight : public Light {
61 protected:
62 Vector3 dir;
63
64 bool create_mesh();
65
66 public:
67 DirLight();
68 DirLight(const Vector3 &dir, const Color &col = 1.0);
69
70 void set_direction(const Vector3 &dir);
71 const Vector3 &get_direction() const;
72
73 virtual void use(int id = 0) const;
74 };
75
76
77 void set_light(int id, const Light *lt);
78
79
80 #endif // LIGHT_H_