Just define a function of position (relative to the center of the source).
e.g. here is a gaussian in the x direction (constant in y and z):
(define (my-amp-func p)
(exp (- (sqr (vector3-x p)))))
then do ... (amp-func my-amp-func)
Steven
On Tue, 24 Oct 2006, Huazhong Wang wrote:
i want to make a light beam and need to specify the amp-func property of
source. but i don't know how to give argument to it in simulation. because
amp-fun is a function which needs an argument (a vector) input. who knows how
to use amp-func? could you send your code to me?
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