Fetches url, reporting real bytes transferred as they arrive, and resolves to the
complete body as a Blob - handed to URL.createObjectURL to become something
assets.load's own texture/audio/JSON decoding can take from there, the same as any other
resolved asset URL.
Fetches
url, reporting real bytes transferred as they arrive, and resolves to the complete body as aBlob- handed toURL.createObjectURLto become somethingassets.load's own texture/audio/JSON decoding can take from there, the same as any other resolved asset URL.