RE: Evaluating ice weight map gen per frame

2012-04-27 Thread Simon Van de Lagemaat
-12 8:34 AM To: softimage@listproc.autodesk.com Subject: RE: Evaluating ice weight map gen per frame I just realized you can get away with a lot fewer calculations if you just convert the null's position to the sphere's reference frame. You just need to multiply null.kine.global.pos by the inverse

RE: Evaluating ice weight map gen per frame

2012-04-27 Thread Grahame Fuller
of the transpose. I wrote it wrong below. From: softimage-boun...@listproc.autodesk.com [mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of Simon Van de Lagemaat Sent: Friday, April 27, 2012 01:53 PM To: softimage@listproc.autodesk.com Subject: RE: Evaluating ice weight map gen per frame Thanks

RE: Evaluating ice weight map gen per frame

2012-04-26 Thread Grahame Fuller
Use Multiply Vector by Matrix to multiply sphere.PointPosition by sphere.kine.global first. Then calculate the dot product. When you get attributes like Sphere.PointPosition by explicit reference (i.e. not reading at locations), you get the raw values, which are expressed relative to the

RE: Evaluating ice weight map gen per frame

2012-04-26 Thread Simon Van de Lagemaat
...@listproc.autodesk.com] On Behalf Of Grahame Fuller Sent: April-26-12 2:42 PM To: softimage@listproc.autodesk.com Subject: RE: Evaluating ice weight map gen per frame Use Multiply Vector by Matrix to multiply sphere.PointPosition by sphere.kine.global first. Then calculate the dot product. When you get

RE: Evaluating ice weight map gen per frame

2012-04-26 Thread Grahame Fuller
[mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of Grahame Fuller Sent: April-26-12 2:42 PM To: softimage@listproc.autodesk.com Subject: RE: Evaluating ice weight map gen per frame Use Multiply Vector by Matrix to multiply sphere.PointPosition by sphere.kine.global first. Then calculate the dot