Add export to compressed PLY (#39)

* add compressed ply output

* pack quaternions in 2,10,10,10 format

* show error popup

package.json

@@ -1,6 +1,6 @@
 {
  "name": "super-splat",
- "version": "0.10.4",
+ "version": "0.11.0",
  "author": "PlayCanvas<support@playcanvas.com>",
  "homepage": "https://playcanvas.com",
  "description": "All the splat things",

src/asset-loader.ts

@@ -4,7 +4,7 @@ import { Model } from './model';
 import { Splat } from './splat';
 import { Env } from './env';
 
-import { startSpinner, stopSpinner } from './spinner';
+import { startSpinner, stopSpinner } from './ui/spinner';
 
 interface ModelLoadRequest {
  url?: string;
@@ -67,15 +67,15 @@ class AssetLoader {
  } as any
  );
  containerAsset.on('load', () => {
+ stopSpinner();
  if (isPly) {
  resolve(new Splat(containerAsset));
  } else {
  resolve(new Model(containerAsset, gemMaterials));
  }
-
- stopSpinner();
  });
  containerAsset.on('error', (err: string) => {
+ stopSpinner();
  reject(err);
  });