t_obj *inter(t_scene *s, t_vector3f ray_d, t_vector3f ray_o, t_vector3f *i)
{
float t;
float t2;
t_objl *tmpl;
t_obj *obj;
t_vector3f tmp[2];
tmpl = s->objl;
t = -1;
obj = NULL;
while (tmpl)
{
add_cam(&tmpl->obj, ray_d, ray_o);
tmp[0] = tmpl->obj->cam->pos;
tmp[1] = tmpl->obj->cam->ray;
t2 = s->tab_type[tmpl->obj->type](tmp[0], *tmpl->obj, tmp[1]);
if (t2 > 0 && (t2 < t || t == -1))
{
t = t2;
obj = tmpl->obj;
}
tmpl = tmpl->next;
}
return (get_inter(obj, t, i, ray_o));
}
void int_quad(t_inter *pt, void *e, t_ray ray, t_light *light)
{
t_quad quad;
double t;
t_vec inter;
quad = *((t_quad *)e);
t = get_dist(ray, quad);
if (t < 0)
return ;
if (pt->dist == NULL || *(pt->dist) > t)
{
if (pt->dist == NULL)
pt->dist = malloc(sizeof(double));
free_info(pt);
*(pt->dist) = t;
inter = get_inter(ray, t);
pt->normal = get_normal_quad(inter, quad);
if (scalar_prod(pt->normal, ray.dir) > 0)
pt->normal = mult_scalar(pt->normal, -1);
pt->refl = get_refl(ray, pt->normal);
pt->color = quad.color;
pt->inter = inter;
get_info(pt, light, inter);
}
}
