1 /*---------------------------------------------------------------------------*\
5 * Copyright (C) 2008 by the OpenSG Forum *
9 * contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de *
11 \*---------------------------------------------------------------------------*/
12 /*---------------------------------------------------------------------------*\
15 * This library is free software; you can redistribute it and/or modify it *
16 * under the terms of the GNU Library General Public License as published *
17 * by the Free Software Foundation, version 2. *
19 * This library is distributed in the hope that it will be useful, but *
20 * WITHOUT ANY WARRANTY; without even the implied warranty of *
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
22 * Library General Public License for more details. *
24 * You should have received a copy of the GNU Library General Public *
25 * License along with this library; if not, write to the Free Software *
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
28 \*---------------------------------------------------------------------------*/
29 /*---------------------------------------------------------------------------*\
37 \*---------------------------------------------------------------------------*/
39 #ifndef _OSGINTERPOLATIONHELPER_H_
40 #define _OSGINTERPOLATIONHELPER_H_
42 #include "OSGBaseTypes.h"
43 #include "OSGMathFields.h"
44 #include "OSGVecFields.h"
48 /*! \ingroup GrpDynamicsVRMLAnimationObj
52 template<class KeyFieldT
, class KeyValueFieldT
, class ValueFieldT
>
53 struct InterpolationHelper
58 static void copyFirstValue(const KeyFieldT
&mfKeys
,
59 const KeyValueFieldT
&mfKeyValues
,
60 ValueFieldT
&fValue
);
62 static void copyLastValue (const KeyFieldT
&mfKeys
,
63 const KeyValueFieldT
&mfKeyValues
,
64 ValueFieldT
&fValue
);
66 static void lerp (const UInt32 uiStopIndex
,
67 const UInt32 uiStartIndex
,
68 const Real32 rFraction
,
69 const KeyFieldT
&mfKeys
,
70 const KeyValueFieldT
&mfKeyValues
,
71 ValueFieldT
&fValue
);
73 static void interpolate (const Real32 rFraction
,
74 const KeyFieldT
&mfKeys
,
75 const KeyValueFieldT
&mfKeyValues
,
76 ValueFieldT
&fValue
);
80 template<class ResortIndexTypeT
>
81 static void resortKeyValues( SizeT uiNumKeys
,
83 KeyValueFieldT
&mfKeyValues
,
84 const ResortIndexTypeT
&mfResortIndex
);
90 #include "OSGInterpolationHelper.inl"