C++ (Cpp) BKE_camera_params_from_view3d примеры использования

Пример #1

/* also exposed in previewrender.c */
bool ED_view3d_viewplane_get(View3D *v3d, RegionView3D *rv3d, int winx, int winy,
                             rctf *r_viewplane, float *r_clipsta, float *r_clipend)
{
	CameraParams params;

	BKE_camera_params_init(&params);
	BKE_camera_params_from_view3d(&params, v3d, rv3d);
	BKE_camera_params_compute_viewplane(&params, winx, winy, 1.0f, 1.0f);

	if (r_viewplane) *r_viewplane = params.viewplane;
	if (r_clipsta) *r_clipsta = params.clipsta;
	if (r_clipend) *r_clipend = params.clipend;
	
	return params.is_ortho;
}

Пример #2

Файл: view3d_view.c Проект: greg100795/blender-git

/* copies logic of get_view3d_viewplane(), keep in sync */
bool ED_view3d_clip_range_get(View3D *v3d, RegionView3D *rv3d, float *r_clipsta, float *r_clipend,
                              const bool use_ortho_factor)
{
	CameraParams params;

	BKE_camera_params_init(&params);
	BKE_camera_params_from_view3d(&params, v3d, rv3d);

	if (use_ortho_factor && params.is_ortho) {
		const float fac = 2.0f / (params.clipend - params.clipsta);
		params.clipsta *= fac;
		params.clipend *= fac;
	}

	if (r_clipsta) *r_clipsta = params.clipsta;
	if (r_clipend) *r_clipend = params.clipend;

	return params.is_ortho;
}