Torus Knots explained!

In this video we'll look at how to construct a torus, or trefoil knot. Torus knots are not too hard to understand and they look very cool and can serve as the basis of many cool effects.

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Starting point: https://www.shadertoy.com/view/WtGXDD

Live version: https://www.shadertoy.com/view/ttXBzB

To learn how to write your own ray marcher, see this video: https://www.youtube.com/watch?v=PGtv-dBi2wE ... https://www.youtube.com/watch?v=2dzJZx0yngg