root/OpenSceneGraph/trunk/include/osgAnimation/ActionBlendIn @ 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#ifndef OSGANIMATION_ACTION_BLENDIN_H
16#define OSGANIMATION_ACTION_BLENDIN_H
17
18#include <osgAnimation/Action>
19#include <osgAnimation/Export>
20
21
22namespace osgAnimation {
23
24
25    /// blend in from 0 to weight in duration
26    class OSGANIMATION_EXPORT ActionBlendIn : public Action
27    {
28    public:
29        META_Action(osgAnimation, ActionBlendIn);
30        ActionBlendIn();
31        ActionBlendIn(const ActionBlendIn& a, const osg::CopyOp& c);
32        ActionBlendIn(Animation* animation, double duration, double weight);
33        double getWeight() const { return _weight;}
34        Animation* getAnimation() { return _animation.get(); }
35        void computeWeight(unsigned int frame);
36
37    protected:
38        double _weight;
39        osg::ref_ptr<Animation> _animation;
40    };
41
42}
43
44#endif
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