Half-Life: Alyx Workshop Tools/Level Design/Doors

Introduction

This tutorial will teach you how to create doors for HL:A based mods. This doors will can be opened by grabbing the door knob and moving it forward or backwards.

Setup

Create two rooms, with a height of at least 128 units, and separated by 8 units.

Insert a prop_static entity and, for this tutorial, select the model models/architecture/doors_1/door_frame_basic_001.vmdl.

Select the two faces that connect the rooms and clip them using the door frame as a reference. Remove the faces inside the frame.

Insert a prop_door_rotating_physics entity and, for this tutorial, select the model models/architecture/doors_1/door_1a_40_92.vmdl.

Switch the grid size to 2 units and align the door with the frame. For realism, change the property Open Direction to either Open Forward Only or Open Backward Only, since real life doors don't open both ways.

Finishing up

Compile and run your map, and you should have a working door.

You can download the example map here [[1]].