Ricky Reusser's Notebooks

Thoughts on anonymity, accidental and otherwise

A world map colored by how long until each location next sees totality

Conway's Game of Life generalized to a continuous domain, computed in WebGPU

Möbius strips as a test problem for doing some real linear algebra in the browser

A (sort of) infinite zooming spectre aperiodic monotile

Rendering the spectre a chiral aperiodic monotile of Smith, Myers, Kaplan, and Goodman-Strauss

Terrain shadowing and ambient occlusion for web maps using fast horizon visibility

Trying to untangle the parameterization of Costa's minimal surface

How I migrated this website from Idyll to Observable Notebook Kit

Boy's surface, an immersion of the real projective plane in three-dimensional Euclidean space

Cobbling together a 3D WebGPU terrain viewer

Visualizing 3.3 million galaxies and quasars from the Sloan Digital Sky Survey

Using the Hess-Smith panel method to compute the aerodynamic flow around an airfoil

Interactive multi-scale Turing patterns in WebGPU

Integrating and rendering strange attractors in WebGPU from start to finish

GPU-accelerated line rendering for WebGPU

Interactive mathematical plotting in Observable Notebook Kit

The 2D Kuramoto-Sivashinsky equation, a chaotic PDE modeling pattern formation in combustion fronts and thin films

An quick application of Perfectly Matched Layers for absorbing boundary conditions

Contemplating where we're at after attending yoga pretty consistently for a couple years

Kicking the tires of Observable's new notebook tooling!

Clifford and de Jong strange attractors

Interactive visualization of a magnetic pendulum demonstrating chaotic dynamics

Quantifying treadmill efforts (to the point of injury)

Plotting and extrapolating trends in competitive speed climbing

Approximate pixel redistribution between images using sliced optimal transport

The Shanks transformation for series acceleration, applied to the arctangent formula for π

Comparing cubic interpolation using different basis functions

Smooth bicubic texture filtering using the GPU's built-in bilinear interpolation

Using Jacobi elliptic functions to solve an optimization problem about falling poles and large-amplitude pendulum dynamics

Earth's solar terminator on a Mapbox map using NASA Black Marble imagery and WebGL shaders

Fast generalized winding numbers in 2D for robust inside-outside queries on arbitrary polygons

Animating periodic three-body orbits using pure CSS keyframe animations generated from Fourier decomposition

Lawson's Klein bottle, a generalization of the Clifford torus in 4D space

Computing hexadecimal digits of π at arbitrary positions using the Bailey-Borwein-Plouffe formula

Visualizing the phase space of simple and compound double pendulums

A chaotic mechanical system whose dynamics map to the Lorenz attractor

An opacity formula for consistent visual appearance in brute-force point cloud rendering

Adaptive contour rendering in fragment shaders using screen-space derivatives for smooth, resolution-independent contour lines

Computing Voronoi diagrams and distance fields on the GPU using the Jump Flooding Algorithm

The Bednorz and Bednorz analytic sphere eversion, a continuous deformation turning a sphere inside out without creasing or tearing

A comparison of three approaches to rendering transparent 3D surfaces in WebGPU

Constructing fullerenes with toilet paper tubes

2D gravitational N-body simulation using the particle-mesh method

A catalog of periodic three-body orbits with topological classification via free group words

Another gallery of multi-scale Turing patterns

A gallery of multi-scale Turing patterns

Automatically orienting 3D scans by computing principal axes from surface normals

An obsolete collection of lessons learned from eight months of React Native development

Reflections on a decade of programming projects