geom-isec

@thi.ng/geom-isec

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

• About
  • 2D tests
  • 3D tests
• Installation
• Dependencies
• Usage examples
• Authors
• License

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

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

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