@polygonjs/polygonjs/dist/src/engine/functions/_NearestPosition.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { NamedFunction3 } from "./_Base";
export class nearestPosition extends NamedFunction3 {
  static type() {
    return "nearestPosition";
  }
  func(v3, positions, target) {
    target.set(0, 0, 0);
    if (positions) {
      let currentDist = -1;
      let minDist = null;
      let nearestPosition2;
      for (let position of positions) {
        currentDist = position.distanceTo(v3);
        if (minDist == null || currentDist < minDist) {
          nearestPosition2 = position;
          minDist = currentDist;
        }
      }
      if (nearestPosition2 != null) {
        target.copy(nearestPosition2);
      }
    }
    return target;
  }
}