jsketcher/modules/scene/utils/calcFaceNormal.js
2022-08-10 01:42:18 -07:00

9 lines
No EOL
184 B
JavaScript

export default function(vA, vB, vC) {
let ab = new Vector3();
face.normal.subVectors( vC, vB );
ab.subVectors( vA, vB );
face.normal.cross( ab );
face.normal.normalize();
}