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> Unreal Engine API Reference > Runtime > Engine > Particles > Collision > UParticleModuleCollision > bOnlyVerticalNormalsDecrementCount

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bOnlyVerticalNormalsDecrementCount

If true, then collisions that do not have a vertical hit normal will still react, but UsedMaxCollisions count will not be decremented.

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Syntax

uint32 bOnlyVerticalNormalsDecrementCount: 1

Remarks

If true, then collisions that do not have a vertical hit normal will still react, but UsedMaxCollisions count will not be decremented. (ie., They don't 'count' as collisions) Useful for having particles come to rest on floors.

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