Coding Challenge #129: Koch Fractal Snowflake

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Published on December 30, 2018 3:28:19 PM ● Video Link: https://www.youtube.com/watch?v=X8bXDKqMsXE

Duration: 22:57

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Snowflake Challenge #3! In this video, I draw the Koch Fractal Curve in Processing (Java). Code: https://thecodingtrain.com/challenges/129-koch-fractal-snowflake

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References:
💰 Support the Processing Foundation: https://processingfoundation.org/support/
🗄 Koch Snowflake: https://en.wikipedia.org/wiki/Koch_snowflake

Videos:
🎥 Vectors: https://thecodingtrain.com/tracks/the-nature-of-code-2/noc/1-vectors/1-what-is-a-vector
🔴 Coding Train Live Holiday Telethon 2018: https://youtu.be/WACLmPBxMaw?t=11469s

Related Coding Challenges:
🚂 #2 Menger Sponge Fractal: https://youtu.be/LG8ZK-rRkXo
🚂 #14 Recursive Fractal Trees: https://youtu.be/0jjeOYMjmDU
🚂 #21 Mandelbrot Set with p5.js: https://youtu.be/6z7GQewK-Ks
🚂 #123 Chaos Game: https://youtu.be/7gNzMtYo9n4
🚂 #126 Toothpicks: https://youtu.be/-OL_sw2MiYw
🚂 #174 AppleSoft Basic Fractal Tree: https://youtu.be/UNkHditYGls

Timestamps:
0:00 Introducing today's topic
0:36 Koch curve algorithm
2:20 Create a Segment class
4:40 Add an array list of segments
5:10 Draw the segments
8:24 Divide segment by 3
0:00 Rotate to get the "hat"
12:50 Write a function to add the children to the segments
14:18 Use mousePressed() to get a new generation of segments
16:00 Why is the Koch curve called the "Monster Curve"?
19:11 Add a triangle
20:59 Conclusion and creative possibilities
21:47 Bonus addendum: use height of equilateral triangle to find 3rd point

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

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#kochcurve #fractals #kochsnowflake #processing