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Grain friction


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Since pbd grain simulation is ignoring any friction on passive objects, how can you set different friction values on individual colliders?

I have sand sliding a tilted surfaces, which then hits the ground. I dont want the sand to slide at all which on the ground, but if I increase the 'Friction with colliders' most of the sand sticks on the tilted geometry.


Any ideas?


Also I have a little trouble to make falling sand create a small pile in a realistic manner. Looking at references, the sand piles up in layers as it forms the hill. On the other hand the behavior I am getting is sand constantly pushing the sand already on the ground to the sides.

Has anyone had to do something similar and has any pointers?


thank you


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