mrcoolmen Posted March 22, 2015 Share Posted March 22, 2015 (edited) Hey, I'm trying to do a rotation per prim effect and the orientation axis will be the cross product of up and normal. but i find it is very difficult to find a bulletproof way to find the orientation axis. jt wonder if anyone has done this type of effect before can give me some advice? here is where i get so far. i really appreciate your time to help me out with my question. lines.v03.hipnc Edited March 22, 2015 by mrcoolmen Quote Link to comment Share on other sites More sharing options...
sadhu Posted March 22, 2015 Share Posted March 22, 2015 (edited) this is what you want ? lines_soln01.hipnc Edited March 22, 2015 by sadhu Quote Link to comment Share on other sites More sharing options...
mrcoolmen Posted March 22, 2015 Author Share Posted March 22, 2015 Hey sadhu, Thank you, for helping me again. this forum jt too awesome. Quote Link to comment Share on other sites More sharing options...
mestela Posted March 22, 2015 Share Posted March 22, 2015 (edited) Fun challenge! Here's a version in vops, with some offset anim per prim for fun. click to play: per_prim_rot_vop.hipnc [edit.. added extra controls, animated gif] Edited March 22, 2015 by mestela Quote Link to comment Share on other sites More sharing options...
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