root/OpenSceneGraph/trunk/src/osgAnimation/StackedQuaternionElement.cpp @ 13041

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1/*  -*-c++-*-
2 *  Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
3 *
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.
8 *
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.
13 */
14
15#include <osgAnimation/StackedQuaternionElement>
16
17using namespace osgAnimation;
18
19StackedQuaternionElement::StackedQuaternionElement(const std::string& name, const osg::Quat& quaternion) : _quaternion(quaternion) { setName(name); }
20
21StackedQuaternionElement::StackedQuaternionElement(const StackedQuaternionElement& rhs, const osg::CopyOp&) : StackedTransformElement(rhs), _quaternion(rhs._quaternion)
22{
23    if (rhs._target.valid())
24        _target = new QuatTarget(*rhs._target);
25}
26
27
28StackedQuaternionElement::StackedQuaternionElement(const osg::Quat& quat) : _quaternion(quat) { setName("quaternion"); }
29
30StackedQuaternionElement::StackedQuaternionElement()
31{
32}
33const osg::Quat& StackedQuaternionElement::getQuaternion() const { return _quaternion; }
34void StackedQuaternionElement::setQuaternion(const osg::Quat& q) { _quaternion = q; }
35
36void StackedQuaternionElement::applyToMatrix(osg::Matrix& matrix) const {matrix.preMultRotate(_quaternion);}
37osg::Matrix StackedQuaternionElement::getAsMatrix() const { return osg::Matrix(_quaternion); }
38bool StackedQuaternionElement::isIdentity() const { return (_quaternion[0] == 0 && _quaternion[1] == 0 && _quaternion[2] == 0 && _quaternion[3] == 1.0); }
39
40void StackedQuaternionElement::update(float t)
41{
42    if (_target.valid())
43        _quaternion = _target->getValue();
44}
45
46Target* StackedQuaternionElement::getOrCreateTarget()
47{
48    if (!_target.valid())
49        _target = new QuatTarget(_quaternion);
50    return _target.get();
51}
52Target* StackedQuaternionElement::getTarget() {return _target.get();}
53const Target* StackedQuaternionElement::getTarget() const {return _target.get();}
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