/*!
SLGroup::shapeInit loops over all child nodes and calls their init method with
an incremented depth. While looping it must be checked that all child nodes
have a depth equal the groups depth + 1.
*/
void SLGroup::shapeInit(SLSceneView* sv)
{ SLNode* current = _first;
while (current)
{ if (current->depth() && current->depth() != depth()+1)
{ SL_EXIT_MSG("Scenegraph is not directed acyclic. There is a loop.");
}
current->init(sv, depth()+1);
// Set transparent flags of the group
if (!_aabb.hasAlpha() && ((SLShape*)current)->aabb()->hasAlpha())
_aabb.hasAlpha(true);
current = current->next();
}
}
