Quote:
Germanunkol: this "averaging" filter bypasses the need for the complexities surrounding the usage of SIN-type functions.
Using SIN functionality drags it too close to a REAL water simulator. And that just gets too CPU hungry.

True. The reason i chose this method is because of its (blush) simple method and speed compared to SIN based methods.
Turns out that it let us down on the 'simple' bit..