Is there a way to change Minimum mass clamp in a with code?

[winars1]

Hello! Is there a way to change Minimum mass clamp in a GeometryCollectionComponent with code?

[DanM]

Could you provide more context please?

[winars1]

When you make a geometry collection you have all these variables like damage threshold, mass, etc. and you can change them easy but when i try to find something related to Minimum Mass clamp i dont find anything that can access that variable

[DanM]

Looking at the source code that is a member of UGeometryCollection not UGeometryCollectionComponent. So you would first need to get the UGeometryCollection the component stores. Based on the source code that would presumably be

GeoCollectionComp->RestCollision->MinimumMassClamp

[winars1]

Now it should work but it says “expression must be a modifiable lvalue” i guess because RestCollision is const. What can i do?

[DanM]

Ah yes, I didn’t notice the const. It looks like you need to use EditRestCollection and modify it through that, it looks to be an RAII wrapper so its destructor would do the work, e.g.

{ // create new scope to edit
    auto EditCollection = GeomCollectiobComponent->EditRestCollection()
    EditCollection.GetRestCollection()->MinimumMassClamp = ...;
} // EditCollection destructor gets called.

[winars1]

It works now and i can change the MinimumMassClamp but it changes the value for all the GeomCollectionComponent to the same value. Is it possible to have 2 GeomCollectionComponent but with different values?

[DanM]

Honestly I don’t know, I’ve never used it before.

[winars1]

Either way ty so much for the help