1 /*

2 Simple introductory ray tracer

3 Copyright (C) 2012 John Tsiombikas <nuclear@member.fsf.org>

4

5 This program is free software: you can redistribute it and/or modify

6 it under the terms of the GNU General Public License as published by

7 the Free Software Foundation, either version 3 of the License, or

8 (at your option) any later version.

9

10 This program is distributed in the hope that it will be useful,

11 but WITHOUT ANY WARRANTY; without even the implied warranty of

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

13 GNU General Public License for more details.

14

15 You should have received a copy of the GNU General Public License

16 along with this program. If not, see <http://www.gnu.org/licenses/>.

17 */

18 #ifndef MATERIAL_H_

19 #define MATERIAL_H_

20

21 #include "vmath/vmath.h"

22

23 // colors are simply RGB vectors

24 typedef Vector3 Color;

25

26 class Texture;

27

28 class Material {

29 public:

30 // phong model parameters

31 Color diffuse; // amount of diffuse light scattering (per color channel)

32 Color specular; // amount of specular light reflection (per color channel)

33 float shininess; // higher shininess values -> more focused specular refl.

34

35 Color emission; // emissive light

36

37 // additional raytracing parameters

38 float reflectivity; // range [0, 1]

39 float transparency; // range [0, 1]

40 float ior; // index of refraction

41

42 Texture *tex;

43 Vector4 mega_rect; // tex coords for the megatexture

44

45 Material();

46 Material(const Color &dcol, const Color &scol = Color(1.0, 1.0, 1.0), float spow = 60.0,

47 float refl = 0.0, float refr = 0.0, float ior = 1.0);

48 };

49

50 #endif // MATERIAL_H_