>
>My instinct would be to difference the bubbles out of the water, which has
>an ior, and also to place the camera *inside* a bubble (or rather, an
>air-filled lens), e.g.:


Yeah, I've figured it out. And also, as mr Hughes pointed out, the
definition of "odd" is relative... I made an animation of a waterbox with a
morphing superellipsoid to get a more distanced view, and I have to admit it
looks natural.

In fact, It's okay to place the camera into empty air and give the bubble an
ior of 1.01/1.33. The method I use, however, is an isosurface with (waves on
top,) and subtract the bubbles, and place the camera inside the isosurface.
(Kills the short render-time, though...)


>
>This way, a ray is bent after it leaves the camera, then bent back when it
>enters a bubble (or exits the surface of the water).  I haven't tested it,
>but hopefully this will give you the effect you're after...
>


I have to test this!! Kind of emulates an underwater camera? Hopefully it
will give a wonderful perspective distortion.

:)

Simen.

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