Shoot at mouse

Here is the result.

Not quite sure what I should be getting but it seems that it sorta works on the objects if it was top-down however it doesn’t work as a side angle. However it doesn’t work at all when there is no object to hit.

http://tempestintheaether.org/public_downloads/bandicam%202015-04-28%2013-21-55-761.avi

Blueprint is attached as well