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Customize GLTF loader blob location


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Is there any way to customize how the blobs from textures in the GLTFLoader are treated? I'm running into an issue where the blobs are violating our content security policy because they are appended to our base url instead of the approved CDN the assets/textures are coming from.

Let's say I'm pulling a GLTF asset via:

let myAsset = assetsManager.addMeshTask("", "", "https://mycdn.com/static/gltf/", "my-asset.gltf");

So instead of:


We get:

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@jps0611 I have a work item in the backlog to add a callback when the glTF loader loads a URI. It will allow you to do whatever you want with the URI.

Short-term, you can override BABYLON.Tools.PreprocessUrl with a function that overrides the url. Note that this affects all URLs that go through BABYLON.Tools.LoadImage or BABYLON.Tools.LoadFile.

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Just to follow up here...we got around this issue by adding blob:oururl.com/* to our CSP.

Gotta say...I'm really a big fan of babylon.js. We've got our first WebGL experience launching next week, and I don't think it would have turned out as well as it did with out the polish and documentation put into this framework. 


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