Northern Lights but Vision Pro

Spent most of the night squatting in Battersea Park hoping to see the northern lights in person. Turns out it was like everyone in London saw the aurora except me who was crouching by the lake listening to the ducks quacking.

So went home and took my vision pro to do a simple demo to make up for not being able to see it yesterday.

This one is not perfect of couse, but I did learned some thing.

1. avp only supports front rendering, back rendering can only invert normals.
2. the shader is transparent until the complie is finished, and you can't get a complie progress or anything.
3. Graphics performance doesn't seem to be very good .... I'm not sure if it's better to write directly in swift...