Hello,
I know it’s really late, but still better than never ^^
I understand thanks to [this post][1]
GPU Sprites emitter can’t accept Dynamic parameter. And when you expose parameters in your blueprint, it is considered as Dynamic.
But when you put your blueprint in the scene, if you go in Details window, select your particle system, and expose parameters, they are considered as “Static”. (I try a parameter for Spawn and it works)
Nevertheless, Color is always considered as Dynamic parameter. (It is not working even in Details window)
Likewise, the blueprint functions setFloatParameter, setVectorParameter, …, setInstanceParameters, will work on Construct and on Play for all “Static” parameters but not for Color.
Set Material
Set Spawn parameter
Set Color parameter
Not Working in Blueprint Editor
Working in Details Window for Spawn but not for Color
