I have been working on Volumetric Light Filter on and off for the past few weeks, and it’s finally mostly done:
3 “Volumetric Spot Lights” buzzing around… There is no real lighting in the scene, nor are there any real shadows, it is simply showing off the volumetric light.
Earlier video testing in a real scene (Village Showcase courtesy of @destroflyer) using shadows and a real spot light:
I wrote up a detailed post explainging how the systems works on the JME forum, which I will republish here at a later date. Links to the full source are available there also.