Creating Cat Walks

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Introduction

This guide will show you how to create Cat Walks seen in testchmb_a_15 and escape_02.

Warning:This guide is unfinished, as of right now, it is recommended that you do not follow this guide until it is finished.

Cat Walk Texturing

Most of the catwalk will be 64w*384l*4h.

Set the bottom and top texture to metal/metalfloor_bts_001b

Set the side textures to metal/metalbeam_bts_001a.

Enter the following properties with the Face Edit Sheet:

Texture Scale:

• X: 0.13
• Y: 0.13

Texture Shift:

• X: 22

Note:Change the length to how long your Cat Walk needs to be, it does not have to be 384 units.

Entrance and Exit setup

Path Type 1

If the beginning or end of the path is a 128 unit tall and wide walk way, create a 128w*128l*4h brush on the entrance/exit.

Path Type 1

Path Type 2

If the beginning or end of the path is a 128 unit tall and 64 unit wide walk way, just use the 64w*384l*4h brush.

Path Type 2

If your Cat Walk has multiple directions it can go, create another brush on the side of the corner brush.

Extra Path

Hand Rails

Hand Rails

Create prop_static and set their model to models/props_c17/handrail04_long.mdl. Sometimes it may be necessary to use handrail04_medium.mdl and handrail04_short.mdl

Place the Cat Walks' feet in between the air and the Cat Walk it self.

Support Ropes

Textured Rope Carrier

Make sure that all textures are Aligned to Face.

Create 2 80w*3l*8h brushes with the metal/metalbeam_bts_001a texture and create 2 4w*2l*6h brushes with the metal/metalbeam_bts_001a texture.

Enter the following properties with the Face Edit Sheet for all faces:

Texture Scale:

• X: 0.13
• Y: 0.13

Rotation: 90.00

For all of the side faces and left brush's top and bottom faces, enter the following properties with the Face Edit Sheet:

Texture Shift:

• X: -95
• Y: 460

For the right brush's top and bottom faces, enter the following properties with the Face Edit Sheet:

Texture Shift:

• X: 95
• Y: 460

Details

You can include details such as handrails falling off, broken flooring, floor pieces, etc...

Decorative Cat Walks

These cat walks are seen in escape_02 in the room containing the GLaDOS chamber and the cat walks on the very top in the turret room.

See Also

• Portal Behind The Scenes Level Creation

• Portal Level Creation