FGFS-4.1/OpenSceneGraph
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Refactored RayTracedTechnique to allow the position of the rendered part of the volume to be decoupled from the image data.

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This commit is contained in:
Robert Osfield
2009-07-02 18:49:59 +00:00
parent 2232bd5ee5
commit a4dedc227b
12 changed files with 225 additions and 186 deletions
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44
src/osgManipulator/Dragger.cpp
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@@ -57,34 +57,34 @@ bool DraggerTransformCallback::receive(const MotionCommand& command)
switch (command.getStage())
{
case MotionCommand::START:
{
// Save the current matrix
_startMotionMatrix = _transform->getMatrix();
{
// Save the current matrix
_startMotionMatrix = _transform->getMatrix();
// Get the LocalToWorld and WorldToLocal matrix for this node.
osg::NodePath nodePathToRoot;
computeNodePathToRoot(*_transform,nodePathToRoot);
_localToWorld = osg::computeLocalToWorld(nodePathToRoot);
_worldToLocal = osg::Matrix::inverse(_localToWorld);
// Get the LocalToWorld and WorldToLocal matrix for this node.
osg::NodePath nodePathToRoot;
computeNodePathToRoot(*_transform,nodePathToRoot);
_localToWorld = osg::computeLocalToWorld(nodePathToRoot);
_worldToLocal = osg::Matrix::inverse(_localToWorld);
return true;
}
return true;
}
case MotionCommand::MOVE:
{
// Transform the command's motion matrix into local motion matrix.
osg::Matrix localMotionMatrix = _localToWorld * command.getWorldToLocal()
* command.getMotionMatrix()
* command.getLocalToWorld() * _worldToLocal;
{
// Transform the command's motion matrix into local motion matrix.
osg::Matrix localMotionMatrix = _localToWorld * command.getWorldToLocal()
* command.getMotionMatrix()
* command.getLocalToWorld() * _worldToLocal;
// Transform by the localMotionMatrix
_transform->setMatrix(localMotionMatrix * _startMotionMatrix);
// Transform by the localMotionMatrix
_transform->setMatrix(localMotionMatrix * _startMotionMatrix);
return true;
}
return true;
}
case MotionCommand::FINISH:
{
return true;
}
{
return true;
}
case MotionCommand::NONE:
default:
return false;