bfod

When sampling height using SampleHelpers or directly, the first request always fails

4

**Describe the bug** We discovered this issue while trying to make an editor function to sample the water height. But it also affects play mode. We start with your OceanSampleHeightDemo,...

document.registerElement is deprecated in Chrome not present in Safari

1

They're removing this in favor of window.customElements.define() in June 2019 https://www.chromestatus.com/features/4642138092470272

The demo page works fine if you visit in desktop Safari, but in mobile Safari none of the controllers display.

We're supposed to use attachShadow({mode: 'closed'}); now