Call of Duty 5: Paulo88 Radiant Tips

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Tips & Tricks for better use of Radiant by Paulo88, Level Designer at Treyarch


To align a texture around a corner on a brush, select the face you want to align to, Then ALT+Middle-Click on the face you want to align. The newly aligned face will also become selected so you can just keep going on more faces, like around a pillar.
For really smooth texture corners, don’t forget to use this method on the lightmaps as well.

The pillar must already have the texture applied to it. This tip only aligns the texture it doesn't place the texure on a caulk face


If your finding it difficult to see what your doing in the XY or 3D view simply select the brushes / patches or even models you want to work with and press ALT + H. This will hide everything else, leaving you with a nice clear view.

Press SHIFT + H to bring everything back.


Whilst holding CTRL + LEFT MOUSE CLICK you can drag the edge of a brush.
Simply hold the above keys then drag the edge of the brush you want to move. Very useful if you want to a brush on an angle, whilst retaining its width.


If you want to smooth out a curve patch then simply select the patch and hit SHIFT + ] this will add more verts to the patch. Very usefull if you wish to smooth out an archway.
Should you wish to remove verts simply hit SHIFT + [


If your wanting to place a model around your level with a random size and rotation, then simply select the following:

(Random Drop & Drop level to terrain )


  • Place the model you want to copy into the level
  • Select the model in radiant (so that is is highlighted)
  • Then whilst holding CTRL + ALT simply click in the 3D view where you want your models placed.

This is great for adding grass models ;)


Asset Viewer is your friend !
Type a keyword in the top window to search for that ideal model.
Here I typed grass (lower case) as below...


If you want to copy a patch but dont want to re-align it (usually this happens when pressing SPACE BAR), simply press CTRL+C then CTRL+V.

This will copy and paste the patch in exactly the same place, avoiding the need to re-align it.


All you have to do is edit the RadiantFilters.txt file with the relevant textures.!!Back up your file before altering it!!

So, in order to add the various clip filters for example locate RadiantFilters.txt, its in ..\Call of Duty - World at War\bin\ - Simply add :

Geometry MonsterClip fdhide
    Texture clip_ai
    Geometry PlayerClip fdhide
    Texture clip_player
    Geometry clipClip fdhide
    Texture clip
    Geometry fullClip fdhide
    Texture clip_full
    Geometry playerviechle fdhide
    Texture clip_player_vehicle
    Geometry vehicleclip fdhide
    Texture clip_vehicle
    Geometry wepcliptex fdhide
    Texture clip_weapon

Placed this just after :

Geometry Clip fdhide
    Texture *clip

Its that simple !

Note that the RadiantFilters.txt is usually Read-only so take off that attribut first (as administrator)
If you do mess up something no panic, you can get the original file HERE


Did you know that you can rotate a model / prefab at a different origin of your chosing ?

  • select the model / prefab you wish to rotate.
  • press 'R' to go into rotate mode.
  • Hold SHIFT and MIDDLE CLICK at the point of the model /prefab you wish to be the new origin.

( You should see the Pink Origin square move)

- You can now hold LEFT MOUSE to move the model / prefab around its new origin.

This is a great tip for positioning open doors etc


Ever had trouble aligning a decal or texture on a patch ?

Apart from using the obvious Horizontal / vertical shift in the surface inspector, did you know that you can also select the nearest verts on the patch, then siply use SHIFT + ARROW KEYS to align texture


Have you ever applied a decal or texture to a patch and after pressing "FIT" the texture aligns the wrong way.

Eg: A door / window texture that appears horizontal instead of vertical !

The reason for this is Radiant thinks that the "TOP" of the patch is actually the side. (This usually happens when using "Face to Terrain", or when you create a patch in the top down view then rotate it.)

Well did you know you can tell radiant which verts are the top !

Heres how :

Simply select the patch and press SHIFT + CTRL + M, then re FIT the texture. You will notice the the "TOP" of the patch has moved and the texture will align to the new "TOP".

Simply keep pressing SHIFT + CTRL + M until the "TOP" is correct.

NOTE : Simply rotating the texture will not usually work as, as soon as you hit FIT the texture will align incorrectly again.


There is no real easy way to place path nodes for dogs etc. However there is a way to help space them out.
If you add a KVP of:


Then you should see a small circle appear around the nodes.

You can use this as a guide for spacing your nodes. Of course don't forget to test your nodes by standing in corners and on top of stairs etc to ensure your dogs will path properly

--Zeroy 10:17, 26 May 2011 (IST)