57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/* -*-c++-*-
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* Copyright (C) 2009 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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#include <osgAnimation/StackedScaleElement>
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using namespace osgAnimation;
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StackedScaleElement::StackedScaleElement(const std::string& name, const osg::Vec3& scale) : _scale(scale) { setName(name); }
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StackedScaleElement::StackedScaleElement(const osg::Vec3& scale) : _scale(scale) { setName("scale"); }
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StackedScaleElement::StackedScaleElement(const StackedScaleElement& rhs, const osg::CopyOp&) : StackedTransformElement(rhs), _scale(rhs._scale)
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{
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if (rhs._target.valid())
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_target = new Vec3Target(*rhs._target);
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}
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const osg::Vec3& StackedScaleElement::getScale() const { return _scale; }
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void StackedScaleElement::setScale(const osg::Vec3& scale) { _scale = scale; }
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Target* StackedScaleElement::getTarget() {return _target.get();}
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const Target* StackedScaleElement::getTarget() const {return _target.get();}
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bool StackedScaleElement::isIdentity() const { return (_scale.x() == 1 && _scale.y() == 1 && _scale.z() == 1); }
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osg::Matrix StackedScaleElement::getAsMatrix() const { return osg::Matrix::scale(_scale); }
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void StackedScaleElement::applyToMatrix(osg::Matrix& matrix) const { matrix.preMultScale(_scale); }
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StackedScaleElement::StackedScaleElement()
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{
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_scale = osg::Vec3(1,1,1);
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}
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void StackedScaleElement::update(float /*t*/)
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{
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if (_target.valid())
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_scale = _target->getValue();
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}
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Target* StackedScaleElement::getOrCreateTarget()
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{
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if (!_target.valid())
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_target = new Vec3Target(_scale);
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return _target.get();
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}
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