MENOZ Posted November 4, 2015 Share Posted November 4, 2015 Hello, I'm having some trouble to find out how to set a custom collision shape in bullet with packed objects. It looks like the bulletData is taking care of building the appropriate collision shape, but i can't find a place where I can provide a sop path for it. Is it possible? thank you Quote Link to comment Share on other sites More sharing options...
cwhite Posted November 4, 2015 Share Posted November 4, 2015 A typical workflow is to just send your proxy geometry into the simulation, and then use the Transform Pieces SOP to transform the high-res geometry based on the results of the sim. Quote Link to comment Share on other sites More sharing options...
MENOZ Posted November 4, 2015 Author Share Posted November 4, 2015 yes, but i might want to avoid houdini to recompte the convex hull every frame In case of an animated geometry. I think It happened already that I needed a topology consistent convex hull to have a stable sim and using bullet sop I've been able to control the convex hull easily. Quote Link to comment Share on other sites More sharing options...
mnu Posted November 11, 2015 Share Posted November 11, 2015 Hi menoz, a string attribute can be set on the points of the RBDpacked object that is called bullet_georep and defines the shaope per packed prim. It can take the values: "convexhull", "concave", "box", etc. Haven't tried it though... best Manuel Quote Link to comment Share on other sites More sharing options...
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