2 BobToolz plugin for GtkRadiant
3 Copyright (C) 2001 Gordon Biggans
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // DWinding.h: interface for the DWinding class.
22 //////////////////////////////////////////////////////////////////////
24 #if !defined( AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_ )
25 #define AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_
29 #endif // _MSC_VER > 1000
41 void AllocWinding( int points );
43 bool ChopWinding( DPlane* chopPlane );
44 bool ChopWindingInPlace( DPlane* chopPlane, vec_t ON_EPSILON );
45 void ClipWindingEpsilon( DPlane* chopPlane, vec_t epsilon, DWinding** front, DWinding** back );
48 void WindingCentre( vec3_t centre );
49 void WindingBounds( vec3_t mins, vec3_t maxs );
50 void RemoveColinearPoints();
52 DWinding* ReverseWinding();
53 DWinding* CopyWinding();
54 DPlane* WindingPlane();
56 int WindingOnPlaneSide( vec3_t normal, vec_t dist );
66 const int MAX_POINTS_ON_WINDING = 64;
68 const double ON_EPSILON = 0.01;
70 #endif // !defined(AFX_DWINDING_H__35B2C524_F0A7_11D4_ACF7_004095A18133__INCLUDED_)