Make 3D Rose in p5.js: 1/2

We create Beautiful Fully Controllable 3D Double Flowers using the Spherical Coordinates System in p5.js. You will learn How to play with math equations to create beautiful figures like these flowers.

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The code: https://github.com/Creativeguru97/You...
The demo: Added soon...

The original 3D rose by Paul Nylander: https://nylander.wordpress.com/2006/0...
Paul's self-introduction page: https://virtualmathmuseum.org/mathart...
Paul's wonderful artworks: http://www.bugman123.com/Math/index.html

music:
Awake by Sappheiros |   / sappheirosmusic  
Music promoted on https://www.chosic.com/free-music/all/
Creative Commons Attribution 3.0 Unported (CC BY 3.0)
https://creativecommons.org/licenses/...

Inspire by ASHUTOSH |   / grandakt  
Music promoted by https://www.chosic.com/free-music/all/
Creative Commons Attribution 3.0 Unported License
https://creativecommons.org/licenses/...

roa-music-sakura-2020 by Roa |   / roa_music1031  
Music promoted on https://www.chosic.com/free-music/all/
Creative Commons Attribution 3.0 Unported (CC BY 3.0)
https://creativecommons.org/licenses/...

Timecodes
0:00 - You Can Create 3D Double-Flowers by Math!
1:14 - We need Spherical Coordinates
3:40 - Let's Design a Math Flower!
8:28 - Make the petal hanging down
11:59 - Make the petal cut
16:49 - Let's cheat the answer