source: GTP/trunk/App/Demos/Geom/OgreStuff/include/OgreKeyFrame.h @ 1092

Revision 1092, 3.4 KB checked in by gumbau, 18 years ago (diff)

LodStrips? and LODTrees demos

Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2005 The OGRE Team
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU Lesser General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19You should have received a copy of the GNU Lesser General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/lesser.txt.
23-----------------------------------------------------------------------------
24*/
25
26#ifndef __KeyFrame_H__
27#define __KeyFrame_H__
28
29#include "OgrePrerequisites.h"
30#include "OgreVector3.h"
31#include "OgreQuaternion.h"
32
33namespace Ogre
34{
35
36    /** A key frame in an animation sequence defined by an AnimationTrack.
37    @remarks
38        This class can be used as a basis for all kinds of key frames.
39        The unifying principle is that multiple KeyFrames define an
40        animation sequence, with the exact state of the animation being an
41        interpolation between these key frames.
42    */
43    class _OgreExport KeyFrame
44    {
45    public:
46
47        /** Default constructor, you should not call this but use AnimationTrack::createKeyFrame instead. */
48        KeyFrame(const AnimationTrack* parent, Real time);
49
50        /** Gets the time of this keyframe in the animation sequence. */
51        Real getTime(void) const;
52        /** Sets the translation associated with this keyframe.
53        @remarks   
54            The translation factor affects how much the keyframe translates (moves) it's animable
55            object at it's time index.
56        @param trans The vector to translate by
57        */
58        void setTranslate(const Vector3& trans);
59
60        /** Gets the translation applied by this keyframe. */
61        const Vector3& getTranslate(void) const;
62
63        /** Sets the scaling factor applied by this keyframe to the animable
64        object at it's time index.
65        @param scale The vector to scale by (beware of supplying zero values for any component of this
66            vector, it will scale the object to zero dimensions)
67        */
68        void setScale(const Vector3& scale);
69
70        /** Gets the scaling factor applied by this keyframe. */
71        const Vector3& getScale(void) const;
72
73        /** Sets the rotation applied by this keyframe.
74        @param rot The rotation applied; use Quaternion methods to convert from angle/axis or Matrix3 if
75            you don't like using Quaternions directly.
76        */
77        void setRotation(const Quaternion& rot);
78
79        /** Gets the rotation applied by this keyframe. */
80        const Quaternion& getRotation(void) const;
81
82
83    protected:
84        Real mTime;
85        Vector3 mTranslate;
86        Vector3 mScale;
87        Quaternion mRotate;
88        const AnimationTrack* mParentTrack;
89    };
90
91}
92
93
94#endif
95
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