Crosshair deflecting in sphere

After enough deflections it seems like the bolt gets all glitchy and flies in a straight path.
[hd]http://www.youtube.com/watch?v=ogTirRVY5Ro[/hd]

What is wrong with the crossbow?

Cool

This would make for a pretty awesome game mode.

Forgot to compile cubemaps.

Oh, ok.

Coool