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- Euler's Polyhedron Formula A visual proof of Euler's polyhedron formula, after Legendre.
- Graceful Lean A small start on formally proving graceful paths and caterpillars in Lean.
- Graceful Graph Moves Visual tour of gracefulness graph transformations, with proofs for paths, caterpillars, and double stars.
- An ECS lite architecture Small write-up about my chip layout renderer.
- Extracting Faces from Graphs How we extract faces from Arcol sketches. The cool part is the wedge algorithm from Jiang and Bunke.
- Serialization-based undo How I used zstd compression to implement an undo system for Blockdown.
- C++ as a scripting language How I used dynamic linking to quickly iterate on Blockdown puzzles.
- Exploring Special Relativity I coded up some Exploratorium style interactive diagrams to learn about special relativity.
- Rolling Cubes and Group Theory Some notes about rolling cube games.
- Generating SVG for the Prime Knots How I created a wall poster of knot diagrams.
- Kauffman's Cross Products Paper How the Four Color Theorem relates to the algebra of cross products.
- Tait Coloring Tait coloring and the Four Color Theorem.
- The Graceful Tree Conjecture Graceful labelings on graphs and the GTC.
- My American lineage An interactive sunburst visualization of my father's pedigree.
- Octasphere Tessellation The virtues of the humble subdivided octahedron.
- Perfect Panning Pan and zoom like Google Maps, but with perspective.
- 3D Wireframes in SVG Using Python to generate 3D line art.
- par_streamlines.h My tiny C library for triangulating wide lines, Béziers, and streamlines.
- Identity Theft Timeline of my 2018 saga with identity theft.
- Distance Fields Generating and visualizing distance fields.
- prideout/snowy Small Python 3 module for manipulating and generating images.
- streamlines Rendering streamlines for data visualization.
- Animated Strava Paths Fun with Strava Activities, D3, and Google Maps.
- par_sprune.h My tiny C library for broad phase collision detection in 2D.
- par_bubbles.h Single file C library for enclosing points with disks and making bubble diagrams.
- par_shapes.h Generate triangle meshes from parametric surfaces, polyhedra, and L-systems.
- Remember 3Dlabs? Reminiscing about my corporate alma mater.
- GPU Particles GPU-Driven Particles with WebGL 1.0.
- Zoomable Texturing Texture experiments with highly zoomable content.
- Marching Squares My single-file C library for generating triangles from images.
- Headless Rendering Diary of adventures with headless OpenGL on an EC2 server.
- Recursive Wang Tiles My single-file C library for generating progressive blue noise sequences via Recursive Wang Tiles.
- Coordinate Fields Discusses an interesting way to encode unsigned distance.
- prideout/heman My own little open-source C library for doing heightmap stuff.
- Quad Meshes Tricks for rendering quad meshes with OpenGL (core profile) and computing smooth normals with transform feedback.
- Organic Animation Demonstrates a type of 2D animation that's better suited to WebGL than Canvas 2D.
- Ear Clipping Tessellation of concave polygons (with holes) in Javascript, using a simple ear clipping algorithm.
- Knot Gallery Interactive gallery of the prime knots through 9 crossings.
- Modern Opengl Prezo on Modern OpenGL that I put together for my colleagues.
- Fluid Sim I open sourced my purely OpenGL-based volumetric fluid sim.
- Sympy Surfaces Generate interesting parametric surfaces using SymPy.
- Barrel Distortion Playing with barrel distortion.
- Strings Inside Vertex Buffers Stupid OpenGL trick: embed a raw C string in a vertex buffer.
- Distance Picking Create a distance field on the GPU, use it for point selection.
- Clip Planes How to use clip planes in modern OpenGL.
- Go And Renderman RenderMan bindings for Google's new language go.
- Ancient Posts Older articles from my previous blog archive.