You know how you can tick Use same object only or something like that? It would be good if there was an include/exclude list that did a similar thing. Right now i'm wanting to do an effect that only shows up around the Ivy crawling up the wall, and I also want to do another certain effect on this beach but only where rocks are (I have boulders scattered on certain areas).
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VRayDirt objects
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How are you using the dirt at the moment? you can already do this a number of different ways.
The easiest being (assuming you are doing the dirt as a seperate pass witihin a vray light material) save a copy of your scene out, ctrl&a, apply a vray light material with no dirt to everything in your scene, then go through and pick the objects you want dirt on by hand and apply a new material to them. You could have it rendering in under 5 minutes from start, tops.
If your scene gets updated, just do it again and save over the old one.Last edited by Neilg; 07-11-2008, 04:11 AM.
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I want pebble like sediment to appear on the sand around the rocks, so i'd mask that effect with VRayDirt which is only emitted/affected from the rocks. At the moment i'm hand-painting the masks and/or baking the AO and manipulating it to achieve this.
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