Revisiting this and I have to say the sheer number of demos on this page is incredible. I love this one in particular as I remember this classic scene from Veac

Revisiting this and I have to say the sheer number of demos on this page is incredible. I love this one in particular as I remember this classic scene from Veach's thesis: https://erichlof.github.io/THREE.js-PathTracing-Renderer/Bi-Directional_Difficult_Lighting.html https://erichlof.github.io/THREE.js-PathTracing-Renderer/Bi-... If you have a good GPU the default parameters underutilize it. This demo lets you crank up the "samples per pixel" parameter to get good quality in real time: https://erichlof.github.io/THREE.js-PathTracing-Renderer/MultiSPF_Dynamic_Scene.html https://erichlof.github.io/THREE.js-PathTracing-Renderer/Mul...