About: http://webisa.webdatacommons.org/286801379

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	As we know, the game loop runs every frame i.e. 30 times a second in our case, so the shooting statement we added in the previous step gets called at the speed of our game loop and hence we see a stream of bullets flowing.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com