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godb74120
New Participant
October 23, 2025
Solved

Collision detection for fast moving objects

  • October 23, 2025
  • 1 reply
  • 76 views

Hi, new developer here,

I’m trying to implement a simple rock-throwing mechanic, but the collision event for when the rock hits an NPC isn’t registering.

I’ve tried using trigger zones as a workaround, but that doesn’t work either, since trigger zones in Horizon Worlds cannot move with the rock when it is thrown.

Can anyone offer advice or a workaround for it?

    Best answer by SeeingBlue

    For your work around, I would move the trigger with the NPC, not the rock. Does the rock even collide with the NPC?

    1 reply

    SeeingBlue
    SeeingBlueAnswer
    Honored Contributor
    November 4, 2025

    For your work around, I would move the trigger with the NPC, not the rock. Does the rock even collide with the NPC?

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