Trigger volume device collision with some projectiles and triggers a water splash VFX

Summary

When using a projectile weapon, like the boom bow, and hitting an area near the center of trigger volume, a water splash is triggered and the projectile collide with the internal collision area of the volume.

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Devices

Steps to Reproduce

  • Create an island with a Trigger volume
  • Drop or give the player a boom bow
  • Start the game
  • Shoot an arrow near the center of the trigger volume

Expected Result

The arrow collides normally with the ground

Observed Result

The arrow collides with the trigger volume and shows a water splash VFX

Platform(s)

PC

Video

Additional Notes

There is a temporal fix: In the device, select the collision actor component inside the trigger volume and disable “generate overlap events”. This doesn’t disrupt the normal functionality of the trigger volume (it still fires OnEnter/OnExit events).