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Date: Tue, 26 Sep 1995 00:07:22 -0400 (EDT)
From: Joe Angell <[e-mail]>
Subject: Re: looping a displacement map?
To: Jason Hough <[e-mail]>
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> I'm going to be rendering a simple animation tonight, and there's one
> thing I'm not sure about. I just want to make some text that ripples,
> using a displacement map. I've already created the text and increased the
> polygons to a nice smooth amount.
> The animation needent be very long, maybe even 10 to 15 frames, I just
> want to make sure that the ripple effect loops properly so that it can be
> played over and over seemlesly.
> Is there any trick to doing that?

It's pretty simple.  Check the LW docs under Texture Mapping (page 80 in
the Layout part of the Toaster/Flyer docs), under the heading Wave Speed.
The formula  for figuring out the settings to get Ripples or Underwater
to loop is:

    WaveLength / Number of Frames to Loop = Wave Speed

That's it.  Hope this helps...

-- Joe

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