this post was submitted on 30 Mar 2026
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Wtf, does it do some primitive form of ray tracing to figure out how the lights bounce around the floor plan? That’s sick!
Here I am using Apple home like a loser
SweetHome3D does that part.
You export an image for every light, where its the only light on. Everything is black except where the light shines. Make those black parts transparent in Gimp or PS.
now when you layer them you have each light's beams all intersecting and mixing.
There is a background image where all lights are off that they all stack on top of
Its far simpler than you might imagine.
I look forward to the youtube video detailing how to do this :)
i used the way everyone has done it honestly, would be a redundant video
here is a good one, almost exactly what I did