Comment by ObnoxiousJul

You really want to play with physics/math with ECMA 262? O_O (hint JS knows nothing of integers) Floats are way to slow (and faulty when div/mul are called) compared to int to do anything serious. All 3D engines tricks are about doing complex math with integers (EDIT: or other tricks http://en.wikipedia.org/wiki/Fast_inverse_square_root#Overvi...)