You never knew Roblox’s lighting could be this good.
I’ve developed a script that calculates global illumination using sparse raytracing combined with built-in voxel lighting and shadow mapping. All effects are fully dynamic and calculated as you view them. No imported textured meshes or baked lighting.
Here are a few screenshots:
(First one is with ReShade mod applied)
And of course, enjoy the game yourself:
With the script that you developed, this looks beautiful.
I think I did this a while back, but your version is so much better looking 
What algorithm did you use to achieve this? I’m really curious 
It’s mainly raycasting from the sun to the surfaces and calculating the angle, color, and intensity of the reflected light based on the material and geometry. There are a few other details for optimization dynamic recalculation though.
How did you figure out where to cast to and how many rays do you cast?
Will you be releasing this script or keep it to use in future projects?
It typically casts about 1000 rays every time the lighting is recalculated. The rays are cast within a radius of the player.
I’ll probably be keeping this script for myself for now. After I work on it a bit more I might release it.
This is an amazing showcase of the new lighting. Thank you!
Excellent work! It looks phenomenal. It’d be easy to believe the screenshots posted above weren’t even taken in ROBLOX.
Have you thought of or attempted to use this to make volumetric lighting? Something similar to this was accomplished a few years back with the beta FiB builds and it would be pretty nice to see it into effect today.
Images from @tryler2, not mine.I love the second picture, it’s look the best in my opinion. Great work, keep up the good work! 
I have thought about volumetric lighting. Roblox already has screen-space volumetric lighting (aka sun rays). The main problem with that is that it only looks good in certain circumstances, like in those images. I’ll consider adding that effect if I can figure out a good way to update it dynamically. I’ve actually programmed volumetric lighting into Minecraft in the past, but the code for that was totally different.
Wow! This is an impressive nice lighting showcase! good work! 
