arx/ArxLibertatis — comment on commit 7d744cb97b494093cc9e93b7d68904fcc9331d56
File: src/core/ArxGame.cpp line 775
By dscharrer:

This will make debugging with tools that slow the rendering down even more painful as animation will be way to fast.

Also, adding an upper limit without actually limiting the FPS will cause the game (animations, etc.) to slow down if it runs above 60.fps.