83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2008 Cedric Pinson <cedric.pinson@plopbyte.net>
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGANIMATION_CUBIC_BEZIER
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#define OSGANIMATION_CUBIC_BEZIER 1
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#include <osg/Vec2>
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#include <osg/Vec3>
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#include <osg/Vec4>
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namespace osgAnimation
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{
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template <class T>
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class TemplateCubicBezier
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{
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public:
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TemplateCubicBezier() : _position(osg::default_value<T>()), _controlPointIn(osg::default_value<T>()), _controlPointOut(osg::default_value<T>()) {}
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TemplateCubicBezier(const T& p, const T& i, const T& o) : _position(p), _controlPointIn(i), _controlPointOut(o)
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{
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}
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// Constructor with value only
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TemplateCubicBezier(const T& p) : _position(p), _controlPointIn(p), _controlPointOut(p)
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{
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}
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const T& getPosition() const { return _position;}
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const T& getControlPointIn() const { return _controlPointIn;}
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const T& getControlPointOut() const { return _controlPointOut;}
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T& getPosition() { return _position;}
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T& getControlPointIn() { return _controlPointIn;}
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T& getControlPointOut() { return _controlPointOut;}
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void setPosition(const T& v) {_position = v;}
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void setControlPointIn(const T& v) {_controlPointIn = v;}
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void setControlPointOut(const T& v) {_controlPointOut = v;}
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bool operator==(const TemplateCubicBezier<T>& other) const
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{ return _position == other._position && _controlPointIn == other._controlPointIn && _controlPointOut == other._controlPointOut; }
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// steaming operators.
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friend std::ostream& operator << (std::ostream& output, const TemplateCubicBezier<T>& tcb)
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{
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output << tcb._position << " "
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<< tcb._controlPointIn << " "
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<< tcb._controlPointOut;
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return output; // to enable cascading
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}
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friend std::istream& operator >> (std::istream& input, TemplateCubicBezier<T>& tcb)
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{
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input >> tcb._position >> tcb._controlPointIn >> tcb._controlPointOut;
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return input;
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}
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protected:
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T _position, _controlPointIn, _controlPointOut;
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};
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typedef TemplateCubicBezier<float> FloatCubicBezier;
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typedef TemplateCubicBezier<double> DoubleCubicBezier;
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typedef TemplateCubicBezier<osg::Vec2> Vec2CubicBezier;
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typedef TemplateCubicBezier<osg::Vec3> Vec3CubicBezier;
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typedef TemplateCubicBezier<osg::Vec4> Vec4CubicBezier;
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}
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#endif
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