void CC3LocalContentNode::setShouldDrawLocalContentWireframeBox( bool shouldDraw )
{
// Fetch the wireframe node from the child nodes.
CC3WireframeBoundingBoxNode* wf = getLocalContentWireframeBoxNode();
// If the wireframe exists, but should not, remove it
if (wf && !shouldDraw)
wf->remove();
// If there is no wireframe, but there should be, add it by creating a
// CC3WireframeLocalContentBoundingBoxNode from the localContentBoundingBox
// property and add it as a child of this node. If the bounding box is null,
// don't create a wireframe. Since the local content of a node does not
// normally change shape, the bounding box is NOT set to update its vertices
// by default from the bounding box of this node on each update pass.
if(!wf && shouldDraw)
{
CC3Box mbb = getLocalContentBoundingBox();
if ( !mbb.isNull() )
{
wf = CC3WireframeLocalContentBoundingBoxNode::nodeWithName( getLocalContentWireframeBoxName() );
wf->populateAsWireBox( mbb );
wf->setEmissionColor( getInitialLocalContentWireframeBoxColor() );
addChild( wf );
}
}
}
void CC3TouchBox::setBox( const CC3Box& aBox )
{
if ( aBox.isNull() ) {
setMesh( NULL );
} else {
populateBox( aBox );
}
}
/**
* Overridden to return the parent's local content bounding box,
* or kCC3BoxZero if no parent, or if parent doesn't have a bounding box.
*/
CC3Box CC3WireframeLocalContentBoundingBoxNode::getParentBoundingBox()
{
if (m_pParent && m_pParent->hasLocalContent())
{
CC3Box pbb = ((CC3LocalContentNode*)m_pParent)->getLocalContentBoundingBox();
if ( !pbb.isNull() )
return pbb;
}
return CC3Box::kCC3BoxZero;
}
/**
* Returns the parent's bounding box, or kCC3BoxZero if no parent,
* or if parent doesn't have a bounding box.
*/
CC3Box CC3WireframeBoundingBoxNode::getParentBoundingBox()
{
if ( m_pParent )
{
CC3Box pbb = m_pParent->getBoundingBox();
if ( !pbb.isNull() )
return pbb;
}
return CC3Box::kCC3BoxZero;
}
CC3Vector CC3LocalContentNode::getLocalContentCenterOfGeometry()
{
CC3Box bb = getLocalContentBoundingBox();
return bb.isNull() ? CC3Vector::kCC3VectorZero : bb.getCenter();
}