root/OpenSceneGraph/trunk/include/osgAnimation/StackedMatrixElement @ 13041

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1/*  -*-c++-*-
2 *  Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
3 *
4 * This library is open source and may be redistributed and/or modified under
5 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
6 * (at your option) any later version.  The full license is in LICENSE file
7 * included with this distribution, and on the openscenegraph.org website.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * OpenSceneGraph Public License for more details.
13 */
14
15
16#ifndef OSGANIMATION_STACKED_MATRIX_ELEMENT
17#define OSGANIMATION_STACKED_MATRIX_ELEMENT 1
18
19#include <osg/Object>
20#include <osgAnimation/Export>
21#include <osgAnimation/StackedTransformElement>
22#include <osgAnimation/Target>
23
24namespace osgAnimation
25{
26
27    class OSGANIMATION_EXPORT StackedMatrixElement : public StackedTransformElement
28    {
29    public:
30        META_Object(osgAnimation, StackedMatrixElement);
31
32        StackedMatrixElement();
33        StackedMatrixElement(const StackedMatrixElement&, const osg::CopyOp&);
34        StackedMatrixElement(const std::string& name, const osg::Matrix& matrix);
35        StackedMatrixElement(const osg::Matrix& matrix);
36
37        void applyToMatrix(osg::Matrix& matrix) const { matrix = _matrix * matrix; }
38        osg::Matrix getAsMatrix() const { return _matrix; }
39        const osg::Matrix& getMatrix() const { return _matrix;}
40        void setMatrix(const osg::Matrix& matrix) { _matrix = matrix;}
41        bool isIdentity() const { return _matrix.isIdentity(); }
42        void update(float t = 0.0);
43        virtual Target* getOrCreateTarget();
44        virtual Target* getTarget() {return _target.get();}
45        virtual const Target* getTarget() const {return _target.get();}
46
47    protected:
48        osg::Matrix _matrix;
49        osg::ref_ptr<MatrixTarget> _target;
50    };
51
52}
53
54#endif
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