Polygon islands don't have real centers. I assume you meant you have several objects, one per island and you wish to orient those without touching the existing point positions? Am I right?
On Tue, Sep 18, 2012 at 3:03 PM, Eric Lampi <ericla...@gmail.com> wrote: > Is there any way to change a polygon island's center axis without moving the > points on the attached instances? > > In the original geo, the points are oriented properly as are the original > center points are pointing where I needed them, but since I am now using ICE > to push them around, the particle points that are generated from the merged > geo that the poly islands come from all orient global 0,0,0. Which was fine > up until I was asked to constrain their orientation so that they Y axis is > always pointed at the surface underneath. > > So they need to orient flat along the surface, like how they start out in > example 1, example 2 shows what's happening as they fly away from the > surface, their orientation does not stay flat. In example 3 you can see what > happens when I orient the axis towards the globe's surface, they all flip. > > So I am a little stuck. After digging into the nodes I haven't found a place > where I can make any changes to the orientation of the axis without the > instances also flipping. > > Thoughts? > > Thanks, > > Eric > > > -- > Freelance 3D and VFX animator >
