Fast Inverse Square Root — A Quake III Algorithm
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YouTubeNemean
Fast Inverse Square Root — A Quake III Algorithm
In this video we will take an in depth look at the fast inverse square root and see where the mysterious number 0x5f3759df comes from. This algorithm became famous after id Software open sourced the engine for Quake III. On the way we will also learn about floating point numbers and newton's method. 0:00 Introduction 1:23 Why Care? 3:21 The ...
6M viewsNov 28, 2020
Fast Inverse Square Root Explained
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Fast food isn’t what makes you gain fat. Eating too many calories does. The problem is that most fast-food meals are designed to make you eat more than you need. They’re high in calories. Low in satiety. And incredibly easy to overconsume. If you eat out, choose meals that prioritise protein and don’t come loaded with sauces, sugary drinks and endless sides. You don’t have to avoid fast food forever. You just need to make smarter choices.
0:41
Fast food isn’t what makes you gain fat. Eating too many calories does. The problem is that most fast-food meals are designed to make you eat more than you need. They’re high in calories. Low in satiety. And incredibly easy to overconsume. If you eat out, choose meals that prioritise protein and don’t come loaded with sauces, sugary drinks and endless sides. You don’t have to avoid fast food forever. You just need to make smarter choices.
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