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Showing results for tags 'lookat'.
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Does anyone know how the shelf tools do their eye rigging? I'm looking at the simple biped network and I don't see anything in the lookat parameter of the eyes, and the lookat nodes are in a separate branch from the eye geometry. Any help is much appreciated! Edit: Looking inside the pretransform nodes, I can tell those are being rotated when I move the lookat object. The transforms aren't changing though, and I don't see any expressions or chops references.
I'm trying to at a bit of rotation spring to a look at constraint. It's not working. I created a lookat constraint and then within the constraint network after the lookat chop I add three deletes with t*, r* and s* and then merged the channels back together. I added a spring chop to the r* channels before merge. (see attached image) There is no spring added to any channel. I'm wondering how this could be done.
Juraj posted a topic in General Houdini QuestionsHi, how would you describe difference between lookat() and dihedral() VEX functions? Aren't both used to compute matrix3 to transform vector A onto vector B ?