Get current value of a dynamic material instance

[Cxrrxj]

Hi, I got stuck with this.

I'm trying to increment the value of a dynamic material instance, it works fine the first time I launch the blueprint but then the "Get Scalar Parameter Value" doesn't update so it doesn't keep incrementing the value when the blueprint is launched again.

[ClockworkOcean]

Hi, I got stuck with this.

I'm trying to increment the value of a dynamic material instance, it works fine the first time I launch the blueprint but then the "Get Scalar Parameter Value" doesn't update so it doesn't keep incrementing the value when the blueprint is launched again.

It looks like you're doing that find, but what's on the left of that map? Is this in a loop, in the construction script, somewhere else?...

[Cxrrxj]

Hi, I just simplified the blueprint so there is nothing else on it. Still, it is not working, when I hit O the first time it increases the radius, the following times it doesn't do anything. The print string reveals that the value doesn't change.

[Cxrrxj]

ClockworkOcean Any clue about how to fix it?

[MostHost LA]

I thought that the scalar or vector parameters on MID were not retrievable. I bet if you read the description of that node's description it will tell you as much.

Your best solution is a material parameter collection.

[ClockworkOcean]

ClockworkOcean Any clue about how to fix it?

That's because you're creating the material again. So, it goes back to it's default state.

You need to create the material, and leave it. *Then* do the O thing:

[Cxrrxj]

ClockworkOcean Many, many thanks. That was it.