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

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

"use strict";
import { mod } from "../../core/math/_Module";
import { ObjectNamedFunction1 } from "./_Base";
export class getSibbling extends ObjectNamedFunction1 {
  static type() {
    return "getSibbling";
  }
  func(object3D, offset) {
    const parent = object3D.parent || object3D;
    const children = parent.children;
    const currentIndex = children.indexOf(object3D);
    if (currentIndex < 0) {
      return object3D;
    }
    const index = mod(currentIndex + offset, children.length);
    const sibbling = children[index] || object3D;
    return sibbling;
  }
}