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blender-archive/source/blender/blenkernel/BKE_deform.h
Joshua Leung 400d77bbe2 == Constraints - Geometry Targets ==
It is now possible to use the geometry of Meshes and/or Lattices as the target of a constraint. All you need to do, is to create a new Vertex-Group and assign all the points that you wish to use as the target, then type that name into the VG: field for the relevant constraints.

One of the cases where this is beneficial is when you need to copy the location of a vertex. Now you don't need to make extra vertex-parents for that.

Additional Notes:
* The code takes the average of the locations of the nominated vertices, and puts that in world-space for constraint solving (and regular space-conversion stuff).
* Currently, rotation and scaling of points is not taken into account. The rotation/scaling used is from the object's matrix. Hopefully, this will only be a temporary problem (will be fixed soon)
2007-08-17 11:23:48 +00:00

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/* BKE_deform.h June 2001
*
* support for deformation groups and hooks
*
* Reevan McKay et al
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef BKE_DEFORM_H
#define BKE_DEFORM_H
struct Object;
struct ListBase;
struct bDeformGroup;
void copy_defgroups (struct ListBase *lb1, struct ListBase *lb2);
struct bDeformGroup *copy_defgroup (struct bDeformGroup *ingroup);
struct bDeformGroup *get_named_vertexgroup (Object *ob, char *name);
int get_defgroup_num (struct Object *ob, struct bDeformGroup *dg);
int get_named_vertexgroup_num (Object *ob, char *name);
void unique_vertexgroup_name (struct bDeformGroup *dg, struct Object *ob);
#endif