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From: Jeric@cup.portal.com
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To: lightwave@webcom.com
Subject: Re: Cop flasher
Lines: 48
Date: Tue, 11 Jul 95 21:09:02 PDT
Message-Id: <9507112109.1.12333@cup.portal.com>
X-Origin: The Portal System (TM)
Sender: owner-lightwave@webcom.com
Precedence: bulk
>Got an interesting problem to solve...
>
>Have modeled one of those rotating police car roof flashers
>reflectors, "spotlight" cones, red clear dome lens, and all.
>
>Put a set of three flares per each refelctor (to get that tighter
>and brighter flare effect) and a repeating envelope that ramps
>the flares up when the reflectors are pointing straight towards
>the camera, but remain at 50% otherwise.
>
>ONLY problem is... he he he... the flares are WITHIN the clear
>red dome of the flasher and GUESS WHAT!!!! There's NO way
>in the world (of LW) that they'll show up IN FRONT of the reflectors
>when Glow Behind Obj. is On as is desired when they rotate
>away from the camera and go behind the opposite reflector
>BECAUSE they are in fact BEHIND the red dome object part.
>See the crude top view below:
>
> _______________
> / _______ \
> / \ * / \
> | \ *<---- Flares
> | ~|~ |
> | [x] |<--- Clear red
> | _|_ | dome lens
> | / * \<-- Reflector
> \ / * \ /
> \ ~~~~~~~ /
> ~~~~~~~~~~~~~~~
>
>Anyone have a good way around this mutually exclusive lens
>flare situation?
>
>Dean Scott
>--
>DScott5663@aol.com sent this message.
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