Itoo Software Forum

Author Topic: VrayLightMtl on railclone objects - not emitting light properly.  (Read 705 times)

RG1597

  • Newbie
  • *
  • Posts: 27
VrayLightMtl on railclone objects - not emitting light properly.
« on: September 29, 2020, 05:07:38 PM »
VrayLightMtl produces unexpected results when applied to a Railclone object.

The firest file is the railclone object inside another one (spheres inside each room of a building)
The second is normal spheres instanced inside the rooms (railclone) with the same material applied.

Vray 5 3DSMax 2021.

Is this known behaviour? If so it's a real shame as it wouldn't allow material workflow for variable lighting inside buildings.

RG1597

  • Newbie
  • *
  • Posts: 27
Re: VrayLightMtl on railclone objects - not emitting light properly.
« Reply #1 on: September 29, 2020, 05:13:08 PM »
Ok, nevermind, it works going through the VrayMtl self illumination slot

IT1371

  • Full Member
  • ***
  • Posts: 172
Re: VrayLightMtl on railclone objects - not emitting light properly.
« Reply #2 on: February 03, 2021, 10:36:54 AM »
I experience the same issue, but with a twist.
Oddly, VrayLightMtl produces a desired effect when rendering with Vray IPR, but when switching to production render it doesn't work anymore.
Almost feel seems like Direct Illumination doesn't work anymore (like its in a multisub), since the RC object still glowing but won't light up a room.