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Half-Life: Alyx Workshop Tools/Level Design/Trigger Detect Bullet Fire

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Introduction

This tutorial will teach you how detect if a bullet passes a volume.

Setup

Create a test room. Insert a trigger_detect_bullet_fire mesh entity. If you only want to detect player fire, check the property Player Fire Only.

In the outputs, add the following output:

My Output Target Entity Target Input Parameter Delay
OnDetectedBulletFire <targetEntity> <input> 0.00

Finishing up

Compile and run your map, and you should have a trigger that, whenever a bullet passes it, it will output OnDetectedBulletFire.