byondrnd

added a PR based on: https://github.com/ErikBehar/three.js/commit/ac0499b70b82bc7bb780100a8372fcdf318d1424#diff-5e43a0b5002eb2c419def3baf67d4e67 by @ErikBehar can anyone give a hand with some review and the example ? https://github.com/mrdoob/three.js/pull/15223