* https://github.com/troisjs/trois/issues/82 * https://github.com/troisjs/trois/issues/88 * https://github.com/troisjs/trois/issues/112 * https://github.com/troisjs/trois/issues/113 * https://github.com/troisjs/trois/issues/115 * https://github.com/troisjs/trois/issues/117
