Interior lighting,replace object,shadow problem

[drcmda]

webgl is all just smoke and mirrors, you can get some realism back but yes it won’t be easy. you can runtime bake shadows for instance like so Baking soft shadows - CodeSandbox someone is trying to port it currently for vanilla here Accumulative Shadow from r3f to vanilla Threejs similar to eevee in blender, which basically just fakes realism, you can employ lots of tricks, postprocessing, AO, …