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@thi.ng/geom-isec

@thi.ng/geom-isec

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

About

2D / 3D shape intersection tests:

2D tests

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

3D tests

Type AABB Plane Point Ray 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

© 2018 Karsten Schmidt // Apache Software License 2.0

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