I am presently at a loss to solve this puzzle:

- I have the seaweed on the sand coded as a layered texture (sand texture + 
weed texture);
- I have the shells traced randomly in a while loop, with their own texture;
- I have those columns also traced randomly, with a layered texture (stone + 
weed);

- How can I make the seaweed also cover any object on the sand (shells or 
others)? I cannot do this by putting a weed texture on top of a union of the 
HF and the random objects.

So, what would be a practical solution? Do the same as for the columns?
The problem is that I have to carefully rescale the weed texture each time. 
I did not really do that for the stones on the sand for instance, and you 
see the difference.

Any smart idea?

Thomas

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