2 * Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
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.
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.
15#ifndef OSGANIMATION_ACTION_BLENDIN_H
16#define OSGANIMATION_ACTION_BLENDIN_H
18#include <osgAnimation/Action>
19#include <osgAnimation/Export>
22namespace osgAnimation {
25 /// blend in from 0 to weight in duration
26 class OSGANIMATION_EXPORT ActionBlendIn : public Action
29 META_Action(osgAnimation, 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);
39 osg::ref_ptr<Animation> _animation;