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Author Topic: 3D Effects  (Read 500 times)

Offline JRXTIN

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3D Effects
« on: July 30, 2017, 11:09:28 PM »
I'm learning a few things for my next short animation.  The backgrounds I did for my comic promotional videos worked o.k. because they were out of focus.  Wouldn't hold up if in focus, so I needed to come up with something better that wouldn't take too much time to make or render.  In my "Some Animation" thread I mentioned using an older version of Blender to generate greebles procedurally -



It takes a while to figure out the settings, but then it is quick to get many unique patterns.  I've generated a dozen or so.  They could be used as-is, and sometimes that may be necessary, but the meshes are heavy and it's better not to have too many in a scene.

Luckily Blender now has an experimental micropoly displacement, which appears to be stable and useable so far.  What this means is that it's possible to use an image map to generate geometry, and only the geometry necessary is created.  For example, if a subject is near the camera as much detail as is needed is created, and if the subject is far from the camera, as little detail as needed is created.

I found a tutorial that showed me how to generate displacement maps from my procedurally generated greebles.  This greeble here is only a flat plane with few faces on its own, but the displacement map creates all the fancy geometric detail at render time -



The texturing is also procedurally generated and can be put onto anything without having to fit it to the UV maps.  Unwrapping UVs and texturing can be very time consuming, so for my one man show I'd rather do it as little as possible.

Having created displacement maps from my greebles, I can now use the displacement maps as brush textures, and paint more intricate greeble textures.  Here's a test object -







I think I'm ready to make some interesting backgrounds now.  I'm going to make a short 30 second promo video, and try to crowdfund the time to make a longer one.  If it works out, I'll build up to bigger and better videos.


Offline JRXTIN

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Re: 3D Effects
« Reply #1 on: August 03, 2017, 10:55:05 PM »
Here's a promo animatic.  The animatic is very simple, but it's useful to plan the shots in advance.


Offline JRXTIN

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Re: 3D Effects
« Reply #2 on: August 05, 2017, 11:00:06 PM »
Something a little different I threw together to see what I could come up with -



Just an idea, not a finished product by any means.