In this video, I implement a basic ray casting engine with line segment “surfaces” and vector “rays.” The result simulates a light source casting shadows in a 2D canvas. https://thecodingtrain.com/challenges...

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References:
SIGHT & LIGHT by Nicky Case: https://ncase.me/sightandlight/
2d Visibility from Red Blob Games: https://www.redblobgames.com/articles...
p5.collide2D: https://github.com/bmoren/p5.collide2D
Lineline Intersection: https://en.wikipedia.org/wiki/Line%E2...

Videos:
Coding Adventure: Ray Marching:    • Coding Adventure: Ray Marching  
Matrix Math:    • 10.6: Neural Networks: Matrix Math Pa...  
Coding Challenge: Rendering Ray Casting:    • Coding Challenge #146: Rendering Rayc...  
Coding Train Live 177:    • Coding Train Live 177: 2D Ray Casting...  

Timestamps:
0:00:00 Introduction
0:03:34 Coding Starts
0:05:54 Creating a Ray Class
0:09:16 Casting Rays And Finding Intersections
0:19:56 Casting Multiple Rays
0:24:41 Adding Collision Detection For Every Ray
0:26:47 Multiple Boundaries
0:31:23 Moving With Perlin Noise
0:32:41 Suggestions For Improvements

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

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Coding Challenges:    • Coding Challenges  
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p5.js: https://p5js.org
p5.js Web Editor: https://editor.p5js.org/
Processing: https://processing.org

Code of Conduct: https://github.com/CodingTrain/Codeo...

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