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Old 02-08-2013, 04:58 PM   #1
matthewspencer
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Matthew Spencer
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Change polygon color when collision detected

Hi, this may be extremely complicated,maybe not!

I've looked into Xpresso solutions but I seem to be spinning my wheels.

Essentially I'm trying to visualize interference detection. When an object passes through another object, I want just the intersecting polygons to change color (not the whole object). The movement would be animated via timeline (not gravity).

It seems like a ghost tag should be involved? I can't seem to connect the dots.

Any ideas?

Thanks in advance.
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Old 02-08-2013, 06:06 PM   #2
NiklasR
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Have you tried using the Collision node in "Object" mode and inserting selection-tags?
Attached Files
File Type: zip example.zip (63.3 KB, 56 views)
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Old 02-08-2013, 06:30 PM   #3
matthewspencer
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Niklas, that's PERFECT.

If you feel like explaining, would you mind giving a breakdown of what you did? I understand the structure of the Xpresso, but I don't quite understand how it knows which material to assign.
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Old 02-08-2013, 07:29 PM   #4
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Select the Collision Node and in the Attribute Manager,
right click a relevant parameter -> Show Help.
There it is fully documented

Cheers
Lennart
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Old 02-09-2013, 12:53 PM   #5
Coen
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The proximal shader shader might be useful too.
 
Old 02-09-2013, 12:53 PM   #6
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