tealsummers56 Posted August 15, 2022 Share Posted August 15, 2022 Hi I'm fairly new to Houdini, hoping someone can help me understand how to do this. Basically I want to rotate the triangles with a noise in an attribute VOP, however nothing I have tried works and I have a feeling it's because rotation may only work on point normals? (Still pretty confused) I tried using the primitive node to rotate but would ideally like to be able to control random rotation in VOPS Any help would be really appreciated, it's been quite frustrating to figure this out Thanks rotatetriangles.hip Quote Link to comment Share on other sites More sharing options...
doc Posted August 16, 2022 Share Posted August 16, 2022 Try this out: https://www.sidefx.com/docs/houdini/vex/functions/packedtransform.html Quote Link to comment Share on other sites More sharing options...
fencer Posted August 16, 2022 Share Posted August 16, 2022 There are several ways how to do this, as a new to Houdini you can simply go in loop and transform how you like. Google "houdini loop" to understand how it works. More advanced way will be with matrix tranformation, you can google "houdini rotate packed primitive". Check an example rotatetriangles_v02.hip Quote Link to comment Share on other sites More sharing options...
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