Flex Spawn Shape particle density, distance?

Development World Creation
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1

Hi,
I want to use Nvidia Flex and tried to change the flexSandTestMap in that I reduced the particle size. But they kept their relative distance to each other instead of increasing their size to fit more into the castle mesh shape.

How do you increase the particle density when using Flex Spawn Shape, or reduce particle distance, whatever the right term to describe this is?

2

Ok, I just found the solution myself and a bug too.
The density is defined by adding a Flex Asset to the static mesh and then changing the sampling distance.

It won’t have effect choosing “Refresh Module” on the “Spawn Flex Shape” Module on the particle system. You have to select the mesh in the module again.