Believable3D opened this issue on Aug 28, 2009 · 70 posts
andolaurina posted Sun, 30 August 2009 at 5:23 PM
Quote - > Quote - Dunno, BB. Maybe I'm misunderstanding this or wording it poorly. This is what the Terradome user manual says:
"Another great feature of the TERRADOME lighting system is that the sunlight is parented to
the skydome. What this means is that as you rotate the skydome throughout 360 degrees the
sunlight rotates with it projecting from the correct place in the scene and casting
corresponding shadows."That's fine, because it's talking about sunlight, which is modelled with an infinite light, whereas you were talking about IBL which is not implementing the sunlight. IBL is implementing the secondary lighting from sky and ground.
Oh...I see the confusion now. As I suspected, I poorly worded it. Sorry!
I wasn't talking about rotating the IBL...just a light in a light set (vague and poorly worded). When I said, "parent one of them" I meant to parent a light to the skydome to act as a sun. Honestly, I hadn't analyzed it closely enough to see if a spotlight or infinite light was being used.
When I said IBL in that series of commas, I meant that you'd have to create an IBL to go with the 360 skydome image. Those were muddled, consecutive thoughts. In other words:
* Create a 360 skydome texture + material pose
My point was that you can't just stick a 360 texture from CGtextures in there and expect the work to be done.
But, I'm definitely no lighting expert like BB (I'm being very serious), so I still may be screwing up the explanation but that's what it looked like when I dug into the files.
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