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Line 395... Line 395...
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 395 
 
396 
  bool BSPTree::intersect_node(Ray &ray, const BSPNode &node, double t_min, double t_max) const
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  bool BSPTree::intersect_node(Ray &ray, const BSPNode &node, double t_min, double t_max) const
397 
  {
 397 
  {
398 
//    cout << node.plane << endl;
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//    cout << node.plane << endl;
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    node_calls++;
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    node_calls++;
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    static bool found;
 - 
 
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    static int i;
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- 
 
403 
    if (node.axis_leaf==4)
400 
    if (node.axis_leaf==4)
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    {
 401 
    {
405 
      found = false;
402 
      bool found = false;
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      for(i=0;i<node.count;i++)
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      for(int i=0; i < node.count; ++i)
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      {
 404 
      {
408 
//        const TriAccel* tri2 = all_triaccel[node.id+i];
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//        const TriAccel* tri2 = all_triaccel[node.id+i];
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        const ISectTri* tri = all_objects[node.id+i];
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        const ISectTri* tri = all_objects[node.id+i];
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//        if (intersect2(ray, *tri2, t_max))
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//        if (intersect2(ray, *tri2, t_max))
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//          found=true;
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//          found=true;
Line 613... Line 610...
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  }
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  }
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615 
  bool BSPTree::intersect(Ray &ray, const ISectTri &isecttri, double t_max) const
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  bool BSPTree::intersect(Ray &ray, const ISectTri &isecttri, double t_max) const
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  {
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  {
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    tri_calls++;
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    tri_calls++;
- 
 
 615 
 
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    // This is the Möller-Trumbore method
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    // This is the Möller-Trumbore method
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    static Vec3d direction; // = Vec3d(ray.direction);
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    Vec3d direction(ray.direction);
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    static Vec3d origin; // = Vec3d(ray.direction);
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    static Vec3d edge1; // = Vec3d(ray.direction);
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    Vec3d edge0(isecttri.edge0);
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    static Vec3d edge0; // = Vec3d(ray.direction);
 619 
    Vec3d edge1(isecttri.edge1);
623 
    static Vec3d point0; // = Vec3d(ray.direction);
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    static Vec3d p;
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625 
    static Vec3d q;
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626 
    static Vec3d s;
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    static Vec3f point;
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628 
    static double a, f, u, v, t;
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629 
    static double ray_dist_sq;
 - 
 
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- 
 
631 
    static double dist_sq;
 - 
 
632
- 
 
633 
    static Vec3f found_point;
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634
- 
 
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    direction.set((double)ray.direction[0], (double)ray.direction[1], (double)ray.direction[2]);
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636 
    edge0.set((double)isecttri.edge0[0], (double)isecttri.edge0[1], (double)isecttri.edge0[2]);
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    edge1.set((double)isecttri.edge1[0], (double)isecttri.edge1[1], (double)isecttri.edge1[2]);
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 620 
 
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// Ray-tri intersection
 621 
    // Ray-triangle intersection
640 
//      const double eps = 0.001f;
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641 
/********* Complain!!!!!!!!!!!!!!!! *****************/
- 
 
642 
    //p = cross(direction, edge1);
 622 
    Vec3d p = cross(direction, edge1);
643 
    // Why the &%¤/ is this so much faster????? - Because of MS Compiler - the intel compiler does it right!!
 - 
 
644 
    p.set(direction[1] * edge1[2] - direction[2] * edge1[1],
- 
 
645 
          direction[2] * edge1[0] - direction[0] * edge1[2],
- 
 
646 
          direction[0] * edge1[1] - direction[1] * edge1[0]);
 - 
 
647 
/****************************************************/
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648 
    a = dot(edge0,p);
 623 
    double a = dot(edge0, p);
649 
    if (a>-d_eps && a<d_eps)
 624 
    if(a > -d_eps && a < d_eps)
650 
      return false;
 625 
      return false;
651 
  // Just delay these
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652 
    origin.set((double)ray.origin[0], (double)ray.origin[1], (double)ray.origin[2]);
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653 
    point0.set((double)isecttri.point0[0], (double)isecttri.point0[1], (double)isecttri.point0[2]);
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654
626 
 
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    // Just delay these
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 628 
    Vec3d origin(ray.origin);
- 
 
 629 
    Vec3d point0(isecttri.point0);
655 
    f = 1.0/a;
 630 
    double f = 1.0/a;
656 
    s = origin - point0;
 631 
    Vec3d s = origin - point0;
657 
    u = f*dot(s,p);
 632 
    double u = f*dot(s,p);
658 
    if (u<0.0 || u>1.0)
 633 
    if(u < 0.0 || u > 1.0)
659 
      return false;
 634 
      return false;
660 
/********* Complain!!!!!!!!!!!!!!!! *****************/
- 
 
661 
  //q = cross(s, edge0);
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662 
  // Why the &%¤/ is this so much faster?????
 - 
 
663 
    q.set(s[1] * edge0[2] - s[2] * edge0[1],
- 
 
664 
      s[2] * edge0[0] - s[0] * edge0[2],
- 
 
665 
      s[0] * edge0[1] - s[1] * edge0[0]);
 - 
 
666 
/****************************************************/
 - 
 
667
635 
 
- 
 
 636 
    Vec3d q = cross(s, edge0);
668 
    v = f * dot(direction, q);
637 
    double v = f*dot(direction, q);
669 
    if (v<0.0 || u+v>1.0)
 638 
    if(v < 0.0 || u + v > 1.0)
670 
      return false;
 639 
      return false;
- 
 
 640 
 
671 
    t = f*dot(edge1, q);
 641 
    double t = f*dot(edge1, q);
672 
    if (t<0)
 642 
    if(t < 0.0)
673 
      return false;
 643 
      return false;
674 
    if (fabs(t)<d_eps)
 644 
    if(fabs(t) < f_eps)
675 
      return false;
 645 
      return false;
676 
    if (t_max<t)
 646 
    if(t_max < t)
677 
      return false;
 647 
      return false;
678 
    point = ray.origin + ray.direction*t;
 - 
 
679
- 
 
680 
    dist_sq = dot(point-ray.origin, point-ray.origin);
 - 
 
681 
    ray_dist_sq = ray.dist * ray.dist;
 - 
 
682
- 
 
683 
    if (dist_sq<f_eps)
 - 
 
684 
      return false;
 - 
 
685 
    if (dist_sq>ray_dist_sq)
 648 
    if(t > ray.dist)
686 
      return false;
 649 
      return false;
687
650
688 
    ray.dist = sqrt(dist_sq);
 651 
    ray.dist = t;
689 
    ray.u = u;
 652 
    ray.u = u;
690 
    ray.v = v;
 653 
    ray.v = v;
691 
    ray.hit_object = (TriMesh*)isecttri.mesh_id;
 654 
    ray.hit_object = (TriMesh*)isecttri.mesh_id;
692 
    ray.hit_face_id = isecttri.tri_id;
 655 
    ray.hit_face_id = isecttri.tri_id;
693 
    ray.has_hit=true;
 656 
    ray.has_hit=true;