Various Rendering Related Visualisations
Here are a collection of visualisations I've made over the years using geogebra, either to help reinforce my own intuition or as an example for someone else.
Sampling
- Uniform Fibonacci Spherical Cap
 - Octahedron
 - Octahedron (Hemisphere)
 - R2 Sampler (2D)
 - Uniform Fibonacci (2D)
 - GGX Importance Sampling
 - GGX Roughness to Cone of Interest
 - Inverse Bilinear Filtering
 - Appox Inverse Trilinear Filtering
 
Intersections
- Triangle - Line Segment
 - Ray - Sphere
 - Ray - Plane
 - Ray - Card (Moller-Trumbore)
 - Ray - Card (Woop)
 - Ray - Disk
 - Ray - Capsule
 - Ray - Sphere (with transform)
 - Ray - Hemisphere (with transform)
 - Ray - Cylinder (with transform)
 - Ray - Disk (with transform)
 - Triangle - Triangle (Moller)
 - Infinite Cone - Point
 - 2D Ray - Box Segment
 - 2D Ray - Plane (Line)
 - Line Segment - Line Segment
 - Line Segment - Line Segment (alt)
 - Ray - Line Segment
 - Axis Aligned Ray - Line Segment
 - Distance To Line Segment
 - Distance To Line Segment (optimized)
 - Aniso Line Distance Field
 - Point In Triangle
 - X Intervals For Scanline Rendering An Arbitrary Polygon