3 ms·
So much physics and maths needed, e.g. http://en.wikipedia.org/wiki/Fast_inverse_square_root http://en.wikipedia.org/wiki/Fast_inverse_square_root
by tobylane 15y ago
So much physics and maths needed, e.g. http://en.wikipedia.org/wiki/Fast_inverse_square_root http://en.wikipedia.org/wiki/Fast_inverse_square_root