is it possible to use a matrix to force an object at point <x1,y1,z1> to
"track" a point <x2,y2,z2> without having to use complex trig functions.
ie: imagine a gun following a moving target (whose position is given by
a spline), how would i point the barrel? I tried the reorient macro, but
I must admit, I don't understand the matrix command very well.


thanks

paul

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Paul Daniel Jones
120 Chandlee Laboratory
Penn State University
814-865-2090
pdj### [at] psuedu

http://research.chem.psu.edu/glassgrp/paul
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