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@thi.ng/geom-isec

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@thi.ng/geom-isec

2D/3D shape intersection checks

0.4.26
Source
npm

Version published: 5 years ago

Weekly downloads: 1.4K; increased by104.69%

Maintainers: 1

Weekly downloads

Created: 6 years ago

Source

npm downloads

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

About

2D/3D shape intersection checks.

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

Installation

yarn add @thi.ng/geom-isec

// ES module
<script type="module" src="https://unpkg.com/@thi.ng/geom-isec?module" crossorigin></script>

// UMD
<script src="https://unpkg.com/@thi.ng/geom-isec/lib/index.umd.js" crossorigin></script>

Package sizes (gzipped, pre-treeshake): ESM: 2.37 KB / CJS: 2.53 KB / UMD: 2.50 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

License

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Package last updated on 08 Jul 2020

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