@needle-tools/engine/lib/engine/js-extensions/Layers.js

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in.

import { Layers } from "three";
const $customVisibilityFlag = Symbol("customVisibilityFlag");
/**
 * Sets the visibility of a single object without affecting the visibility of the child hierarchy
 */
export function setCustomVisibility(obj, visible) {
    obj.layers[$customVisibilityFlag] = visible;
}
const $didPatch = Symbol("DidPatchLayers");
export function patchLayers() {
    const prot = Layers.prototype;
    if (prot[$didPatch])
        return;
    prot[$didPatch] = true;
    const origTest = prot.test;
    prot.test = function (layer) {
        if (this[$customVisibilityFlag] === false)
            return false;
        return origTest.call(this, layer);
    };
}
patchLayers();
//# sourceMappingURL=Layers.js.map