1 #ifndef TGI_SHAPE_H_

2 #define TGI_SHAPE_H_

3

4 #include "tinygi.h"

5 #include "vmath/vmath.h"

6

7 struct tgi_hitpoint {

8 float t;

9 ray_t ray, local_ray;

10 vec3_t pos, norm;

11 vec2_t uv;

12 struct tgi_shape *shape;

13 };

14

15 struct tgi_shape {

16 void *data; /* shape-specific data */

17 struct tgi_object *obj;

18

19 int (*intersect)(struct tgi_shape *shape, ray_t ray, struct tgi_hitpoint *hit);

20 };

21

22 struct tgi_sphere_data {

23 vec3_t pos;

24 float rad;

25 };

26

27 struct tgi_box_data {

28 vec3_t vmin, vmax;

29 };

30

31 #endif /* TGI_SHAPE_H_ */