whoami
Jack
Kroll
I build simulations, tools, and games.
46.8523° N 121.7603° W · contours rendered live from elevation data
ls projects/
cat links.txt
jackish · © Jack Kroll
ls -l projects/
01
Conway
Conway's Game of Life run entirely on the GPU. The board lives in a texture and
steps through ping-pong framebuffers, so a 2048x2048 world updates without
touching the CPU. Cell colour tracks age.
Open
02
Topo
A contour map generator that reads real elevation. It stitches terrain tiles for
anywhere on Earth, runs marching squares over the heightfield, and renders
printable contours with elevation banding.
Open
cat about.txt
Hi, I'm Jack. I'm a computer science student at USC, and I build things I think are interesting.
cat colophon.txt
Type
IBM Plex Mono, 400 / 500 / 600
Background
Mount Rainier, contoured live from AWS Terrain Tiles (3DEP / SRTM / GMTED)
via marching squares. Falls back to procedural terrain when offline.
Stack
Vanilla HTML, CSS, and JavaScript. WebGL 1.0 and Canvas 2D.
Source
github.com/Jack-Kroll