Shader Coding: Feathers in the Wind - Part 2

This is part 2 of the Feathers in the Wind shader coding tutorial. In this part we will stick the feathers onto ray traced spheres to get them flowing around in 3d.

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Helpful links: Feathers in the Wind - Part 1: https://youtu.be/68IFmCCy_AM

ShaderToy for absolute beginners: https://youtu.be/u5HAYVHsasc

Simple camera setup: https://youtu.be/dKA5ZVALOhs

Ray-sphere intersection: https://youtu.be/HFPlKQGChpE

Polar coordinates: https://youtu.be/r1UOB8NVE8I

Smoothstep explained: https://youtu.be/60VoL-F-jIQ

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

Music: Hammer & Felt by Beneath the Mountain ... https://www.youtube.com/watch?v=hlM940IqpRU