On 7 Feb 2001 16:48:08 -0500, Rich wrote:
>  I'm trying to apply shapes to the surface of an object to make the object 
>look larger...  Anyway, I'm using the trace function to find the 
>intersection and normal, but the normal is expressed in 0..1 format instead 
>of the 0-360 format needed for rotations.  I've tried multiplying the 
>returned normal with 360, and I tried seperate rotates for each part of the 
>normal multiplied by 360, but the shape isn't rotated the way I'm expecting 
>it to.  I am expecting the flattened boxes to lie flat against the sphere.  
>I need to be able to rotate the object, as I will eventually be using 
>fairly complex shapes in place of the box.  Any help appreciated, sample 
>code is below.

The normal is nothing like a rotation vector.  You need John VanSickle's
Reorient macro, but of course I've forgotten the URL.

-- 
Ron Parker   http://www2.fwi.com/~parkerr/traces.html
My opinions.  Mine.  Not anyone else's.

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