FGFS-4.1/OpenSceneGraph
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Made the computeLocalToWorld etc method to use const NodePath's parameters.

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This commit is contained in:
Robert Osfield
2004-09-09 15:14:33 +00:00
parent 6a48a3ffe7
commit 790da0776a
5 changed files with 82 additions and 52 deletions
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59
src/osgGA/NodeTrackerManipulator.cpp
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@@ -72,6 +72,16 @@ void NodeTrackerManipulator::setNode(osg::Node* node)
if (getAutoComputeHomePosition()) computeHomePosition();
}
void NodeTrackerManipulator::setTrackNode(osg::Node* node)
{
CollectParentPaths cpp;
node->accept(cpp);
if (!cpp._nodePaths.empty())
{
_trackNodePath = cpp._nodePaths[0];
}
}
const osg::Node* NodeTrackerManipulator::getNode() const
{
@@ -321,32 +331,19 @@ void NodeTrackerManipulator::setByMatrix(const osg::Matrixd& matrix)
void NodeTrackerManipulator::computeNodeWorldToLocal(osg::Matrixd& worldToLocal) const
{
if (_trackNode.valid())
if (validateNodePath())
{
CollectParentPaths cpp;
NodeTrackerManipulator* non_const_this = const_cast<NodeTrackerManipulator*>(this);
non_const_this->_trackNode->accept(cpp);
if (!cpp._nodePaths.empty())
{
worldToLocal = osg::computeWorldToLocal(cpp._nodePaths[0]);
}
worldToLocal = osg::computeWorldToLocal(_trackNodePath);
}
}
void NodeTrackerManipulator::computeNodeLocalToWorld(osg::Matrixd& localToWorld) const
{
if (_trackNode.valid())
if (validateNodePath())
{
CollectParentPaths cpp;
NodeTrackerManipulator* non_const_this = const_cast<NodeTrackerManipulator*>(this);
non_const_this->_trackNode->accept(cpp);
if (!cpp._nodePaths.empty())
{
localToWorld = osg::computeLocalToWorld(cpp._nodePaths[0]);
}
localToWorld = osg::computeLocalToWorld(_trackNodePath);
}
}
void NodeTrackerManipulator::computeNodeCenterAndRotation(osg::Vec3d& nodeCenter, osg::Quat& nodeRotation) const
@@ -354,8 +351,8 @@ void NodeTrackerManipulator::computeNodeCenterAndRotation(osg::Vec3d& nodeCenter
osg::Matrixd localToWorld;
computeNodeLocalToWorld(localToWorld);
if (_trackNode.valid())
nodeCenter = _trackNode->getBound().center()*localToWorld;
if (validateNodePath())
nodeCenter = _trackNodePath.back()->getBound().center()*localToWorld;
else
nodeCenter = osg::Vec3d(0.0f,0.0f,0.0f)*localToWorld;
@@ -482,25 +479,13 @@ bool NodeTrackerManipulator::calcMovement()
if (dx==0 && dy==0) return false;
if (_trackNode.valid())
if (validateNodePath())
{
// osg::notify(osg::NOTICE)<<"_trackNode="<<_trackNode->getName()<<std::endl;
osg::Matrix localToWorld;
localToWorld = osg::computeLocalToWorld(_trackNodePath);
CollectParentPaths cpp;
_trackNode->accept(cpp);
// osg::notify(osg::NOTICE)<<"number of nodepaths = "<<cpp._nodePaths.size()<<std::endl;
if (!cpp._nodePaths.empty())
{
osg::Matrix localToWorld;
localToWorld = osg::computeLocalToWorld(cpp._nodePaths[0]);
_center = _trackNode->getBound().center() * localToWorld;
}
}
_center = _trackNodePath.back()->getBound().center() * localToWorld;
}
unsigned int buttonMask = _ga_t1->getButtonMask();
if (buttonMask==GUIEventAdapter::LEFT_MOUSE_BUTTON)