/* sp6main.c */

#include "ray.h"


light_t lgt =
{
   center:  {-1.0, 0.0, 2.0},
};

obj_t  ltobj =
{
   objid:     102,
   objtype:   10,
   emissivity: {7, 7, 7},
   priv:      (void *)&lgt
};

sphere_t sph =
{
   center:  {1.0, 0.0, -2.0},
   radius:  1.0
};

obj_t   obj =
{
   next:      NULL,
   objid:     100,
   objtype:   13,
   hits:       sphere_hits,
   material:  {{0, 0, 0},
               {5, 0, 0},
               {0, 0, 0}},
   priv:      (void *)&sph
};

plane_t pln =
{
   point:     {0, 0, -8},
   normal:    {0, 0,  1}
};

obj_t   obj2 =
{
   objid:     101,
   next:      &obj,
   objtype:   14,
   hits:      plane_hits,
   material:  {{0, 0, 0},
               {5, 0, 0},
               {0, 0, 0}},
   priv:      (void *)&pln,
   hitloc:    {0, 0, -8},
   normal:    {0, 0,  1}
};

double view_point[3] = {0, 0, 4.0};
double ray_dir[3]    = {0, 0, -1};

list_t obj_list =
{
  head: &obj2,
  tail: &obj
};

list_t light_list =
{
  head: &ltobj,
  tail: &ltobj
};

model_t model =
{
   scene: &obj_list,
   lights: &light_list
};


int main()
{
    double ivec[3] = {0, 0, 0};
    int i;

    for (i = 0; i < 10; i++)
    {
       fprintf(stderr, "\n");
       diffuse_illumination(&model, &obj2, ivec);
       obj2.hitloc[0] += 1;
       memset(ivec, 0, 3 * sizeof(double));
    }

    return(0);
}