Few things:
1. Opus 5 is just as good for this tbh and cheaper.
2. They don't generate optimized 3d models. They have high poly count for simple geometries.
3. A better approach I've utilized for game ready assets is to use the model to create low poly silhouettes of the 3d model and then bake textures that include a lot more details like windows, doors etc with tools like Meshy. Can post a tutorial if there's interest.
The models need some more RL to be able to do this autonomously.
It depends on the fidelity, there's a threshold slightly over "low poly" that Opus cannot get over. Once you get into creating foliage l-systems, or physical mob animation, or a house with realistic appliances, Opus is under the convergence threshold for a world model no matter how much time you give it, it will flail around and say it's done even though it's nowhere close to plausible. Fable takes forever but knows how to zoom in and out on the abstractions.
> They don't generate optimized 3d models. They have high poly count for simple geometries.
By default LLMs will do the quick prototype thing and slap some primitives into a THREE.js scene. Which is probably correct because most users don't know or care. But if prompted Fable will connect the manifolds/sculpt with a mesher, instance out the pieces, etc. and make you an efficient art pipeline. You can make it optimized. Just not in 10 minutes.
> A better approach I've utilized for game ready assets is to use the model to create low poly silhouettes
You can also let Meshy make the geo and then fit it back to the world with PCA + BB's. Diffusion models are still 10x better at making physically plausible geometries than LLMs, plus they are faster all things considered. One technique I've found that works well is socketing; let the LLM generate the high level structure with blockouts for sockets, then slot in the higher poly objects that fit. Which is closer to the professional approach for world design.
I posted this previously and people wanted more info so here is how I built it, with a deeper dive into some film scene recreation I worked on focusing on a scene from Apocalypto:
https://banagale.com/cinematic-canvas-ai-film-animation.htm
I’d love to improve the look of these things.
The car started from a low-poly DeLorean glTF. I had the model rebuild the geometry into inline Canvas code rather than just dropping a model into three.js.
The flight itself is procedural: position/rotation, hover, pitch, wobble, flames, camera, etc. are all driven by code and can be scrubbed/debugged.
That link has a link to an interactive page where you can adjust the car’s path and when it reaches 88mph if you want to see.
It is not mobile friendly atm, though.
I would like to apply textures to the people and scenery in the gauntlet scene. Just haven’t had the time or tokens, as getting motion and pathing and camera angle right seemed the mvp.
There is.
I read it as "play, warp, act"
Uncharted 4: https://youtu.be/NedDxIGQVs0&t=147
Coco: https://youtu.be/nl_JkjgHfFU&t=10
Up: https://www.youtube.com/watch?v=JHfLGgOs6gY
And, eventually you can just run it through Nvidia DLSS 7 for better hair physics and textures. ;)
Fake edit: there is a longer video here 1 min long: https://github.com/PhiloLabs/fable51-worlds/blob/main/union-...
I would be especially curious to see the NPC person/car logic and if they're on rails or what, that's a pretty good NPC density for a demo.
Here ya go: - https://github.com/PhiloLabs/fable51-worlds/blob/main/union-... - https://github.com/PhiloLabs/fable51-worlds/blob/main/union-...
It’s not enough to call it just an image model though. Not quite video either because it’s so specific to rendering images of the world.
Thus, “world model”?
The problem I have with “world” is it should imply so much more depth. To me this is actually a “POV image model” or “First-person perspective model” (maybe we call this an FPM).
There could also be TPMs (third-person models).
This maps better to modern game and 3D dev phrasing, where “world model” might imply 3D object collections spatially organized in a cohesive file format - complete with interactivity, audio, and all the baseline constituents of what one might call a “world”.
FPMs and TPMs, think about it. Reserve POVMs for photographic realism.
Classical algorithmic approaches for data to CAD are quite unreliable heck commercial CAD software still struggles turning scanned 2D plans into sketches with any degree of reliability.
Something of this scale would normally require 1000’s and 1000’s of man hours in manual modeling, placement and quality control.
Some of the latest prompt to CAD agents and models I’ve seen are the most impressive use of AI I’ve seen in a long time.
At least for me this is rather exiting since it gives me the ability to turn many more ideas into reality as a hobbyist rather than spending the entire weekend in Fusion 360.
Begs the question, an earnest one: what software would be above that bar?
check source code + more worlds soon
> Geometry is derived from OpenStreetMap (ODbL) and USGS 3DEP (public domain).
This is probably how I would have tackled this, saves on time, especially if Fable just writes code to convert OSM data to a reasonable ThreeJS model.
~2 hour (extensive subagents usage), total ~8M tokens, ~$33 under API
I am your biggest hater.
But god dammit if I’m not also your biggest respecter.
reaches out for a handshake
You guys are onto something with this one.
Keep going.
You crazy bastards!
You crazy fuckin bastards you hear me?! Hahahahah
WOO!
WOO!