Coding Challenge #54.2: Star Patterns Update: Law of Sines

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Published on February 14, 2017 5:32:22 PM ● Video Link: https://www.youtube.com/watch?v=lobJ9gzbLo8

Duration: 16:11

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In this bonus super-sized coding challenge, I work through visualizing Islamic Star Patterns in p5.js. Code: https://thecodingtrain.com/challenges/54-islamic-star-patterns

p5.js Web Editor Sketches:
🕹️ Islamic Star Pattern - Part I: https://editor.p5js.org/codingtrain/sketches/b3wnFYeVs
🕹️ Islamic Star Pattern - Part II: https://editor.p5js.org/codingtrain/sketches/j-WTRIgjN

Other Parts of this Challenge:
📺 Part 1: Islamic Star Patterns: https://youtu.be/sJ6pMLp_IaI

🎥 Previous video: https://youtu.be/bqF9w9TTfeo?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
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References:
📐 Points, lines, and planes: http://paulbourke.net/geometry/pointlineplane/
🔗 Law of Sines on Wikipedia: https://en.wikipedia.org/wiki/Law_of_sines
✡︎ Gabriel Weymouth's Tweet on Star Patterns: https://twitter.com/gabrielweymouth/status/826890126747906048
🎤 Craig S. Kaplan Lecture on Star Patterns: https://youtu.be/FBn6VgoF3fE
📓 University of Waterloo's Star Patterns Paper: http://www.cgl.uwaterloo.ca/csk/projects/starpatterns/

Links to Charities:
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💸 Urban Justice Center | Intl. Refugee Assistance Project: https://help.rescue.org/donate/refugees-need-urgent-support

Live Stream Archive:
🔴 Live Stream #77: More on Star Patterns: https://youtu.be/qTxPqMI69aM?t=3107s

Related Coding Challenges:
🚂 #155 Kaleidoscope Snowflake #SupportP5: https://youtu.be/R3C2giDfmO8

Timestamps:
00:00 Follow-up video opening
00:28 Community created version
00:53 Where we left off
01:52 How can we simplify the code?
02:56 What is the Law of Sines?
08:36 Code! Refactor to use the Law of Sines
13:35 Simplifying the Hankin object
14:36 Done! Wrapping up this Coding Challenge

Editing by Mathieu Blanchette
Animations by Jason Heglund
Music from Epidemic Sound

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#islamicstarpatterns #hankins #tilepattern #lawofsines #p5js #javascript