68 lines
1.9 KiB
C++
68 lines
1.9 KiB
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/StackedTransform>
|
|
|
|
using namespace osgAnimation;
|
|
|
|
StackedTransform::StackedTransform() {}
|
|
|
|
StackedTransform::StackedTransform(const StackedTransform& rhs, const osg::CopyOp& co):
|
|
osg::MixinVector<osg::ref_ptr<StackedTransformElement> >()
|
|
{
|
|
reserve(rhs.size());
|
|
for (StackedTransform::const_iterator it = rhs.begin(); it != rhs.end(); ++it)
|
|
{
|
|
const StackedTransformElement* element = it->get();
|
|
if (element)
|
|
push_back(osg::clone(element,co));
|
|
}
|
|
}
|
|
|
|
|
|
void StackedTransform::update(float t)
|
|
{
|
|
bool dirty = false;
|
|
for (StackedTransform::iterator it = begin(); it != end(); ++it)
|
|
{
|
|
StackedTransformElement* element = it->get();
|
|
if (!element)
|
|
continue;
|
|
// update and check if there are changes
|
|
element->update(t);
|
|
if (!dirty && !element->isIdentity()){
|
|
dirty = true;
|
|
}
|
|
}
|
|
|
|
if (!dirty)
|
|
return;
|
|
|
|
|
|
// dirty update matrix
|
|
_matrix.makeIdentity();
|
|
for (StackedTransform::iterator it = begin(); it != end(); ++it)
|
|
{
|
|
StackedTransformElement* element = it->get();
|
|
if (!element || element->isIdentity())
|
|
continue;
|
|
element->applyToMatrix(_matrix);
|
|
}
|
|
}
|
|
|
|
const osg::Matrix& StackedTransform::getMatrix() const
|
|
{
|
|
return _matrix;
|
|
}
|