Here’s a video from the deck of the Japanese ship. Note the hosing down of the Ady Gil after the collision.
http://www.youtube.com/watch?v=uQPzy6Z6UIo&feature=related
So far it’s hard to tell who was aiming at who.
But here’s a video that makes it look like the Japanese intentionally veered over to hit the Ady Gil:
http://www.youtube.com/watch?v=Bbuq0YEIPNU
That gun needs a good telescopic sight.