@thi.ng/geom-isec NPM

npm downloads

This project is part of the @thi.ng/umbrella monorepo.

About

2D/3D shape intersection checks. This is a support package for @thi.ng/geom.

Type	Circle	Line	Poly	Rect	Tri
Circle	✓
Line		✓
Point	✓	✓	✓	✓	✓
Ray	✓	✓	✓	✓
Rect	✓			✓

3D tests

Type	AABB	Plane	Sphere
AABB	✓		✓
Plane		✓
Point	✓		✓
Ray	✓	✓	✓
Sphere			✓

Current implementations partially based on toxiclibs (Java) and Clojure version of thi.ng/geom.

Status

STABLE - used in production

Search or submit any issues for this package

Installation

yarn add @thi.ng/geom-isec

ES module import:

<script type="module" src="https://cdn.skypack.dev/@thi.ng/geom-isec"></script>

Skypack documentation

For Node.js REPL:

# with flag only for < v16
node --experimental-repl-await

> const geomIsec = await import("@thi.ng/geom-isec");

Package sizes (gzipped, pre-treeshake): ESM: 2.81 KB

Dependencies

API

Generated API docs

import * as isec from "@thi.ng/geom-isec";

const res = isec.intersectLineLine([0, 0], [100, 50], [50, 100], [50, -100]);
// { type: 4, isec: [ 50, 25 ], alpha: 0.5, beta: 0.375, det: -20000 }

res.type === isec.IntersectionType.INTERSECT
// true

Authors

Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-geom-isec,
  title = "@thi.ng/geom-isec",
  author = "Karsten Schmidt",
  note = "https://thi.ng/geom-isec",
  year = 2013
}

License

2d 3d bbox circle geometry intersection line ray rect sphere typescript

@thi.ng/api @thi.ng/geom-closest-point @thi.ng/math @thi.ng/vectors

@everything-registry/sub-chunk-914 @thi.ng/geom-tessellate @thi.ng/geom-voronoi @thi.ng/geom-accel @thi.ng/geom @thi.ng/geom-axidraw @thi.ng/geom-clip @thi.ng/geom-clip-line @thi.ng/geom-clip-poly @thi.ng/geom-resample @thi.ng/imgui folio-lamp-geometry convex-polygon-scaler

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