case ValueBase::TYPE_VECTOR:
{
Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
- value_desc.get_value_node())->get_link(1)))(time).get(Angle());
+ value_desc.get_value_node())->get_link("theta")))(time).get(Angle());
Vector vect(value.get(Vector()));
components[0]=vect.mag();
Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;