lewkiwuk

lewkiwuk

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Simulating disintegrating sand July 17, 2006, 5:03 a.m.

You will probably want to combine a deforming model with a procedural sand shader on it with another simple particle system with “slide on surface” particles.

I would use point colours to drive the model deformation. That way you can spray particles onto your geo, turn that into point colours, then using a VEX SOP that uses Cd as a mix, blend between positions. Further non-linear looking blending could then be done by using Cd.r/g/b differently to blend at different times/speeds.

Sean