FGFS-4.1/OpenSceneGraph
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Added supported for setting animation path on MatrixTransform's.

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This commit is contained in:
Robert Osfield
2002-12-16 09:55:30 +00:00
parent 22ada7ee6b
commit c6b6e200a4
7 changed files with 291 additions and 3 deletions
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20
src/osg/MatrixTransform.cpp
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@@ -13,8 +13,10 @@ MatrixTransform::MatrixTransform(const MatrixTransform& transform,const CopyOp&
Transform(transform,copyop),
_matrix(osgNew Matrix(*transform._matrix)),
_inverse(osgNew Matrix(*transform._inverse)),
_inverseDirty(transform._inverseDirty)
_inverseDirty(transform._inverseDirty),
_animationPath(dynamic_cast<AnimationPath*>(copyop(transform._animationPath.get())))
{
if (_animationPath.valid()) setNumChildrenRequiringAppTraversal(getNumChildrenRequiringAppTraversal()+1);
}
MatrixTransform::MatrixTransform(const Matrix& mat )
@@ -31,6 +33,22 @@ MatrixTransform::~MatrixTransform()
{
}
void MatrixTransform::traverse(NodeVisitor& nv)
{
// if app traversal update the frame count.
if (_animationPath.valid() &&
nv.getVisitorType()==NodeVisitor::APP_VISITOR &&
nv.getFrameStamp())
{
double time = nv.getFrameStamp()->getReferenceTime();
_animationPath->getMatrix(time,*_matrix);
}
// must call any nested node callbacks and continue subgraph traversal.
MatrixTransform::traverse(nv);
}
void MatrixTransform::AnimationPathCallback::operator()(Node* node, NodeVisitor* nv)
{
MatrixTransform* mt = dynamic_cast<MatrixTransform*>(node);