1.5 A Unit Vector (Normalize) - The Nature of Code

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Duration: 14:15
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In this video, I explain the concept of a “unit vector,” what it means to “normalize” a vector, and take a look at the p5.js functions: p5.Vector.mag(), p5.Vector.normalize(), p5.Vector.setMag(). Code: https://thecodingtrain.com/tracks/the-nature-of-code-2/noc/1-vectors/5-unit-vector

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References:
🔗 p5.Vector.mag(): https://p5js.org/reference/#/p5.Vector/mag
🔗 p5.Vector.normalize(): https://p5js.org/reference/#/p5.Vector/normalize
🔗 p5.Vector.setMag(): https://p5js.org/reference/#/p5.Vector/setMag
🔗 p5.Vector.normalize() source code: https://github.com/processing/p5.js/blob/c1e30d688748543e52aa5ebc241bfc7dfb2f508d/src/math/p5.Vector.js#L1251
🔗 p5.Vector.setMag() source code: https://github.com/processing/p5.js/blob/c1e30d688748543e52aa5ebc241bfc7dfb2f508d/src/math/p5.Vector.js#L1369

Timestamps:
0:00 Welcome to another video about vectors!
4:57 The normalize function
6:01 Vector notation
6:49 The mag() function
9:38 Normalizing a vector by dividing by magnitude
12:12 setMag()
12:39 Source code for the normalize function
14:03 See you in the next video!

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

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