@thi.ng/geom-isec

2D/3D shape intersection checks

0.3.5
Source
npm

Version published: 5 years ago

Weekly downloads: 512; decreased by-56.16%

Maintainers: 1

Weekly downloads

Created: 6 years ago

Source

@thi.ng/geom-isec

npm downloads

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

About

2D / 3D shape intersection tests:

2D tests

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

3D tests

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

Installation

yarn add @thi.ng/geom-isec

Dependencies

Usage examples

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

Keywords

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Package last updated on 16 Aug 2019

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