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Problems with Sub-classing FoliageInstance class

Hi, I am trying to get some dynamic foliage working, using a blueprint sub-classed from "UFoliageInstancedStaticMeshComponent". Everything is working as expected, I can paint the foliage using my blueprint, I receive the "OnInstanceTakePointDamage" callback that I implemented in my blueprint, but I'm having a hard time with collisions.

Basically, I enable SimulatePhysics on the Foliage Actor when I hit it, the problem is that since it was not simulating physics before I hit it, it's like hitting a wall, and then it moves. I need a way to "wake it up" before hitting it, but the problem with that is that I need to check for overlaps, but I can't get the "OnInstanceTakePointDamage" to trigger when applying damage during an overlap event, so I can't get the instance index of the Foliage Instance that I hit, which I need in order to wake it up or swap it with a destructible or skeletal mesh.

There is no documentation on using this feature, or examples anywhere. If anyone can shed some light on the subject, I would greatly appreciate it :)


Stephane Roncada

Product Version: UE 4.19
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asked Feb 05 '19 at 11:32 PM in Blueprint Scripting

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Stephane Roncada
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