"pH" wrote:
> Thanks all. I used blobs played with the settings and came up with this
> (http://www.youtube.com/watch?v=J_GUjGDknvI). The scene has a heat source (The
> Orange sphere near the left top of the cube)  The only problem I see now is the
> size of the molten droplets.
>
> What I thought of doing is, flattening the droplet once it melts by scaling. I
> think scaling it in the direction perpendicular to the normal at the point the
> droplet is on the remaining solid would do the trick. But I am not able to find
> a way to calculate the normal of a blob at a given point on its surface. Can
> someone please suggest how to do that? Or is there any other way apart from what
> I thought?

I believe you may be looking for the four-parameter trace() function.

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