* Parses src from `url(src)`. * @param {string} src - String to parse. * @return {string} The parsed src, if parseable.

* Necessary transforms to material data before passing to three.js. * * @param {object} data - Material data. * @returns {object} Processed materia

* Converts string to bool. * * @param {string} str - `true` or `false`. * @returns {bool}

* Query and validate a query selector, * * @param {string} selector - DOM selector. * @return {object|null|undefined} Selected DOM element if exis

* Translates geometry vertices. * * @param {object} geometry - three.js geometry. * @param {object} translate - New translation. * @param {object}

* Check for headset connection by looking at orientation {0 0 0}.

* Creates Enter VR flow (button and compatibility modal). * * Creates a button that when clicked will enter into stereo-rendering mode for VR. * *

* Creates a video element to be used as a texture. * * @param {object} material - three.js material. * @param {string} src - Url to a video file.

* Checks if two objects have the same attributes and values, including nested objects. * * @param {object} a - First object. * @param {object} b -

* Fixes a video element's attributes to prevent developers from accidentally * passing the wrong attribute values to commonly misused video attribute