have you tried retrieving the global position of the polygons you are rotating?
Think i would try retrieve those and then have an addition on the rotate setup to only evaluate when the scale is greater then a specific amount.and rotation less then 180 that should get you the effect I think you are looking for, in theory, havent messed around with polygons in ICE other then deforming with objects and weightmaps. On Tue, Aug 28, 2012 at 5:37 PM, Christian Gotzinger <[email protected]>wrote: > I have a road whose polygons are upside down. One by one, I want the > polygons to rotate 180 degrees so that the polygon normals point upwards. > This is part of an animation, so the rotation must be gradual. And I can't > just rotate around some global axis because the road has curves and turns. > > > > > On Tue, Aug 28, 2012 at 9:26 AM, Simon Anderson < > [email protected]> wrote: > >> hey, >> >> you will have to look into Matrix's, global Matrix's to be exact and then >> do a Invert to and multiply, to get one matrix into its parents space. Its >> not as insane as it sounds. >> >> >> i would suggest creating two nulls, get there globla kinematics(Matrix) >> then do a invert on the one matrix(A) and multiply it by the other >> Matrix(B), and pipe that back into the global kinematics. >> That would give you a better understanding or matrix's and there space, >> and then you can mess around with the rotations of the local matrix. >> >> Hope that helps, also im not 100% sure what kind of rotation effect your >> trying to achieve? >> >> >> On Tue, Aug 28, 2012 at 5:09 PM, Christian Gotzinger < >> [email protected]> wrote: >> >>> Hi list, >>> >>> I want to animate a road building itself by scaling its polygons from 0 >>> to 1. I've already got this done. But I also want to rotate the polygons >>> 180 degrees around their local axes. Can someone explain the math behind >>> this? Thank you! >>> >> >> >> >> -- >> ------------------- >> Simon Ben Anderson >> blog: http://vinyldevelopment.wordpress.com/ >> >> > -- ------------------- Simon Ben Anderson blog: http://vinyldevelopment.wordpress.com/
