So, "I" "coded" a simple app to accurately study the effects of light on simple forms; it has point/infinite light, toggeable cast shadows, adjustable ambient light, fov slider, among other features. It's not perfect yet but it serves its purpose as a pure lighting study app. It's in html, so you can fiddle with it as you want:
https://gofile.io/d/7fXtX9

So, "I" "coded" a simple app to accurately study the effects of light on simple forms; it has point/infinite light, toggeable cast shadows, adjustable ambient light, fov slider, among other features. It's not perfect yet but it serves its purpose as a pure lighting study app. It's in html, so you can fiddle with it as you want:
https://gofile.io/d/7fXtX9