void visit(const scene::INodePtr& node) const {
ASSERT_MESSAGE(_count <= _max, "Invalid _count in CollectSelectedBrushesBounds");
// stop if the array is already full
if (_count == _max) {
return;
}
if (Node_isSelected(node) && Node_isBrush(node)) {
_bounds[_count] = node->worldAABB();
++_count;
}
}
bool pre(const scene::INodePtr& node) {
if (!node->visible()) return false; // don't traverse hidden nodes
if (Node_isBrush(node)) // this node is a floor
{
const AABB& aabb = node->worldAABB();
float floorHeight = aabb.origin.z() + aabb.extents.z();
if (floorHeight > _current && floorHeight < _bestUp) {
_bestUp = floorHeight;
}
if (floorHeight < _current && floorHeight > _bestDown) {
_bestDown = floorHeight;
}
return false;
}
return true;
}