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threejs-geometry-hittest

0.0.3 • Public • Published

threejs-geometry-hittest

This module provides a convenient method to check whether the given Geometry intersects with another object, in O(n) where n is the number of faces in the Geometry. This library could be useful for a project that don't need full-featured physics library but want to do some hit-test.

Following objects are supported:

  • Box3
  • Sphere

Please feel free to make pull requests, if you feel you can make this library better!

Example

const three = require('three');
const intersects = require('threejs-box-hittest').intersects;
 
// objects
const geometry = new three.BoxGeometry(1, 1, 1);
const box3 = new three.Box3(
    new three.Vector3(0.5, 0.5, 0.5),
    new three.Vector3(1.5, 1.5, 1.5)
);
 
// do hit-test. array returned.
const results = intersects(geometry, box3);
 
// indexes of faces intersecting with the box are printed to the console
for (const result of results) {
    console.log(`faceIndex = ${result.faceIndex}`);
}

install

npm i threejs-geometry-hittest

Downloadsweekly downloads

2

version

0.0.3

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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