PickVids

Fast Inverse Square Root — A Quake III Algorithm

Why it was recommended

This video is approachable and explains it pretty well

Recommendationinfogulch · Original

What it covers

A walkthrough of the Quake III fast inverse square root, explaining where the constant 0x5f3759df comes from. It covers IEEE 754 floats, the bit hack that approximates a. It is for someone who already knows the basic terms and wants the next step.

Video details

Channel
Nemean
Length
20 min 8 sec
Year
2020
Open on YouTube

More in this topic

Hear about newly added videos?

Optional. We store this email and nothing else. It does not create an account.