there sure is... if I understand the Java3D representation of light you
could do it like this - Make a cone object, set the colors (ambient,
diffuse, emissive, and specular) as you wish for your light and make it
semi-transparent. This should give off some light, but if you want more
just create a true spot light and give it the same dimensions as your cone
(direction, size, color) so the user can't tell the difference. Hope this
works for you.
Eric
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