nuclear@2: #ifndef TGI_SHAPE_H_
nuclear@2: #define TGI_SHAPE_H_
nuclear@2: 
nuclear@2: #include "tinygi.h"
nuclear@2: #include "vmath/vmath.h"
nuclear@2: 
nuclear@2: struct tgi_hitpoint {
nuclear@2: 	float t;
nuclear@2: 	ray_t ray, local_ray;
nuclear@2: 	vec3_t pos, norm;
nuclear@2: 	vec2_t uv;
nuclear@2: 	struct tgi_shape *shape;
nuclear@2: };
nuclear@2: 
nuclear@2: struct tgi_shape {
nuclear@2: 	void *data; /* shape-specific data */
nuclear@2: 	struct tgi_object *obj;
nuclear@2: 
nuclear@2: 	int (*intersect)(struct tgi_shape *shape, ray_t ray, struct tgi_hitpoint *hit);
nuclear@2: };
nuclear@2: 
nuclear@2: struct tgi_sphere_data {
nuclear@2: 	vec3_t pos;
nuclear@2: 	float rad;
nuclear@2: };
nuclear@2: 
nuclear@2: struct tgi_box_data {
nuclear@2: 	vec3_t vmin, vmax;
nuclear@2: };
nuclear@2: 
nuclear@2: #endif	/* TGI_SHAPE_H_ */