Function BuildTransform

editor/rad_hemicube.cpp:338–351

Build transformation matrix for our hemicube

// Build transformation matrix for our hemicube
void BuildTransform(vector *nu, vector *nv, vector *nn) {
  matrix *vm = &rad_Hemicube.view_matrix; // view matrix

  if (Shoot_from_patch)
    GetCenterOfSurface(rad_Hemicube.shooting_surface, &rad_Hemicube.view_position);
  else
    GetCenterOfElement(rad_Hemicube.shooting_element, &rad_Hemicube.view_position);

  rad_Hemicube.view_position += (rad_MaxSurface->normal / 16.0);

  vm->fvec = *nn;
  vm->uvec = *nv;
  vm->rvec = *nu;
}

void StartHemicubeDrawing() {
  StartEditorFrame(rad_Hemicube.vport, &rad_Hemicube.view_position, &rad_Hemicube.view_matrix, Hemicube_view_zoom);