Function UpdateView

editor/rad_hemicube.cpp:437–474

Update hemicube view transformation matrix

// Update hemicube view transformation matrix
void UpdateView(int face_id) {
  vector nu, nv, nn; // View space co-ordinates

  switch (face_id) // Exchange co-ordinates
  {
  case TOP_FACE:
    nu = rad_Hemicube.head_matrix.rvec;
    nv = rad_Hemicube.head_matrix.uvec;
    nn = rad_Hemicube.head_matrix.fvec;
    break;
  case FRONT_FACE:
    nu = rad_Hemicube.head_matrix.rvec;
    nv = rad_Hemicube.head_matrix.fvec;
    nn = rad_Hemicube.head_matrix.uvec * -1;
    break;
  case RIGHT_FACE:
    nu = rad_Hemicube.head_matrix.uvec;
    nv = rad_Hemicube.head_matrix.fvec;
    nn = rad_Hemicube.head_matrix.rvec;
    break;
  case BACK_FACE:
    nu = rad_Hemicube.head_matrix.rvec * -1;
    nv = rad_Hemicube.head_matrix.fvec;
    nn = (rad_Hemicube.head_matrix.uvec);
    break;
  case LEFT_FACE:
    nu = (rad_Hemicube.head_matrix.uvec * -1);
    nv = rad_Hemicube.head_matrix.fvec;
    nn = (rad_Hemicube.head_matrix.rvec * -1);
    break;
  default:
    Int3();
    break;
  }

  // Build new view transformation matrix
  BuildTransform(&nu, &nv, &nn);
}

void DrawRadiosityPoly(int nv, g3Point **pointlist, int id) {
  int i;