//-----------------------------------------------------------------------------
void ActorTreeAbstract::prepareActors(ActorCollection& actors)
{
// finds the root transforms
std::set< ITransform* > root_transforms;
for(int i=0; i<(int)actors.size(); ++i)
{
for( ITransform* root = actors[i]->transform(); root; root = root->parent() )
if ( !root->parent() )
root_transforms.insert(root);
}
// setup the matrices
std::set< ITransform* >::iterator tra = root_transforms.begin();
while( tra != root_transforms.end() )
{
(*tra)->computeWorldMatrixRecursive();
++tra;
}
// setup the Actor[s] bounding box and bounding sphere
for(int i=0; i<(int)actors.size(); ++i)
actors[i]->computeBounds();
}
//clear all actors
void VLBaseView::flush( bool bUpdate )
{
ActorCollection actors;
sceneManager()->tree()->extractActors(actors);
for (int i=0;i<actors.size();i++)
{
sceneManager()->tree()->eraseActor(actors[i].get());
mTextDebug = NULL;
}
if (bUpdate)
{
openglContext()->update();
}
}