<https://cgi.tutsplus.com/id/tutorials/create-a-dynamic-catapult-animation-in-cinema-4d-part-2--cg-31882>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://cgi.tutsplus.com/id/tutorials/create-a-dynamic-catapult-animation-in-cinema-4d-part-2--cg-31882>