jdiazsaezwd Posted December 7, 2019 Share Posted December 7, 2019 (edited) Hello! I have this two models, one of them is an animated mixamo fbx of a character doing a spin-attack with a sword, and the other is a katana, the mixamo model doesn't have the sword, just the hand open like holding something. I isolated some points on the hand, got the centroid and created a point there, subtracted the position of two points in the palm and the transfered that vector as a normal to the central points where the sword will be, so its aligned to the hand, kind of. This worked for the first frame of the animation but get it comes to the spin the sowrd just keeps the same angle as in the first frame, the long of the sword is correctly oriented but the blade-side of the sword doesn't follow correctly the orientation of the hand. I'm still learning houdini and I for sure missing something and I don't know how to really look up for this anywhere else. Thanks. Here are some snaps: https://gyazo.com/f6dac5288ed223ac63a6ccea8b69fce5 https://gyazo.com/018df6bf2b990d3a9cd2cb8f2b0aff6b https://gyazo.com/0e6803c89574a2899cc7c4ecf005e8fa https://gyazo.com/1f886158016b065d9fca1400ffa4e380 Edited December 7, 2019 by jdiazsaezwd Quote Link to comment Share on other sites More sharing options...
Drughi Posted December 8, 2019 Share Posted December 8, 2019 check out the rivet node: https://www.sidefx.com/docs/houdini/nodes/obj/rivet.html 1 Quote Link to comment Share on other sites More sharing options...
jdiazsaezwd Posted December 8, 2019 Author Share Posted December 8, 2019 53 minutes ago, Drughi said: check out the rivet node: https://www.sidefx.com/docs/houdini/nodes/obj/rivet.html It worked! thank you very much! Quote Link to comment Share on other sites More sharing options...
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