cavalier//contours

2-D polyline offset & boolean — pure TS port

Using the library

Pure TypeScript, zero runtime dependencies. Runs in the browser, a worker, or Node. Install from npm:

npm install cavalier-contours-js

import { plineClosed }
  from "cavalier-contours-js";

// x, y, bulge  (bulge 1 = half-circle)
const pl = plineClosed([
  [0, 0, 0], [10, 0, 1],
  [10, 5, 0], [0, 5, 1],
]);

pl.parallelOffset(1);    // -> Polyline[]
pl.boolean(other, "or"); // or|and|not|xor

GitHub ↗ npm ↗ Docs ↗

measurements

x +0.000 y +0.000 100%

POLYLINE OFFSET

libcavalier-contours-js 0.1.1

sheet01 / 04 projCAV-CTR