Octahedral impostors (WebGL) Single quad, 1024x1024 texture resolution The intention, of course, is to serve as an LoD and not to be viewed up-close The bake happens in-engine and is fully runtime capable. Bake includes full G-buffer: normals, ORM, albedo, depth Bake parameters: atlas texture resolution - how big... is the overall texture, here it's 1024 grid resolution - how many individual projection views we bake, here it's 16x16 bake mode - full octahedral or hemioctahedral. Hemioct is missing the bottom projection views, but gives you about 2x resolution elsewhere engine is meep:show more

Surprisingly good interpolation ! With my colleague Eric Bruneton in our EG'11 paper "Real-time Realistic Rendering and Lighting of Forests" we did it on trees (even close up) by iterating on the images+Z . video (at 1'22):

Read your paper, many many years ago now, one of the first references for this technique in fact. Thank you guys!

Loved this technique in UE5, thanks for porting it into the web ecosystem!

Nice fake! How many angles you needed here? Seems like it support full hemisphere view?

Thanks! The number of angles is configurable, here it was set up with 16x16 frames in a hemisphere, so 256 total angles. The trick is blending, that is - we interpolate across not just a single frame, but 3 nearest frames.