Files
OpenSceneGraph/src/osgAnimation/StackedRotateAxisElement.cpp

56 lines
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C++

/* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#include <osgAnimation/StackedRotateAxisElement>
using namespace osgAnimation;
StackedRotateAxisElement::StackedRotateAxisElement(const std::string& name, const osg::Vec3& axis, double angle) : StackedTransformElement(), _axis(axis), _angle(angle) { setName(name); }
StackedRotateAxisElement::StackedRotateAxisElement(const osg::Vec3& axis, double angle) : _axis(axis), _angle(angle) { setName("rotateaxis"); }
StackedRotateAxisElement::StackedRotateAxisElement() {}
StackedRotateAxisElement::StackedRotateAxisElement(const StackedRotateAxisElement& rhs, const osg::CopyOp&) : StackedTransformElement(rhs), _axis(rhs._axis), _angle(rhs._angle)
{
if (rhs._target.valid())
_target = new FloatTarget(*rhs._target);
}
osg::Matrix StackedRotateAxisElement::getAsMatrix() const { return osg::Matrix::rotate(osg::Quat(_angle, _axis)); }
void StackedRotateAxisElement::update(float /*t*/)
{
if (_target.valid())
_angle = _target->getValue();
}
const osg::Vec3& StackedRotateAxisElement::getAxis() const { return _axis; }
double StackedRotateAxisElement::getAngle() const { return _angle; }
void StackedRotateAxisElement::setAxis(const osg::Vec3& axis)
{
_axis = axis;
}
void StackedRotateAxisElement::setAngle(double angle)
{
_angle = angle;
}
Target* StackedRotateAxisElement::getOrCreateTarget()
{
if (!_target.valid())
_target = new FloatTarget(_angle);
return _target.get();
}
void StackedRotateAxisElement::applyToMatrix(osg::Matrix& matrix) const { matrix.preMultRotate(osg::Quat(_angle, _axis)); }