@realsee/dnalogel/libs/shared-utils/three/getNormal.js

如视 VR 看房插件合集

import { Vector3 as u } from "three";
function p(o, r) {
  if (o.length < 3)
    return console.error("points.length < 3"), new u(0, 0, 0);
  const [n, t, c] = o, l = n.clone().sub(t), s = n.clone().sub(c), e = l.cross(s).normalize();
  return typeof r == "number" ? e.multiplyScalar(r) : e;
}
export {
  p as getNormal
};