3.3: Angles and Vectors - Nature of Code

3.3: Angles and Vectors - Nature of Code

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United States The Coding Train
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Published on ● Video Link: https://www.youtube.com/watch?v=oXwCVDXS2Lg


Duration: 9:39
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In this video, I tackle a common question, how do you draw an object pointing in the direction it’s moving? I demonstrate how to calculate the angle associated with the direction vector as well as create a vector from an angle in p5.js. Code: https://thecodingtrain.com/tracks/the-nature-of-code-2/noc/3-angles/3-angles-and-vectors

p5.js Web Editor Sketches:
πŸ•ΉοΈ Direction Pointing: https://editor.p5js.org/codingtrain/sketches/9M9yQJVVc
πŸ•ΉοΈ Vehicle: https://editor.p5js.org/codingtrain/sketches/HtXbIDsESi
πŸ•ΉοΈ Asteroids Exercise: https://editor.p5js.org/codingtrain/sketches/pXS395i0h

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References:
πŸ”— Solving for tangent: https://natureofcode.com/book/chapter-3-oscillation/index.html#34-pointing-in-the-direction-of-movement

Videos:
πŸŽ₯ 1.4 Static Functions: https://youtu.be/YN8Q-QEmQ8Y
πŸŽ₯ Asteroids with p5.js: https://youtu.be/hacZU523FyM

Timestamps:
0:00 Hi again!
0:24 How is tangent useful and heading()
3:29 Using heading()
5:01 p5.Vector.fromAngle()
5:47 Demonstrate fromAngle()
8:13 What could you make?

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

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πŸ”— p5.js: https://p5js.org
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