Houdini Stuff

stolen from a Toadstorm reply somewhere... axis might be more finessed than just setting to z as shown.. Same goes for the angle, which I...

Rotation round an arbitrary axis, in vex nicked from Rich Lord's handy notes and scenes -  https://www.richlord.com/tools/ Placed he...

I made a previous post about spinning particles with "w" and Pop Torque.... Walter uses this & it seems much simpler (?). In y...

matrix m = primintrinsic ( 0 , 'packedfulltransform' , @ptnum ); @orient = quaternion ( matrix3 ( m ));   Stole this from odfo...

A simple method would be to set the world aligned object's vector value to pure X,Y or Z (eg <<1,0,0>> for all X)before it e...