Texture and VTex Errors
Topics pertaining to errors compiling VTF Textures from bitmaps in Source.
OSL: Swirl
OSL Swirl is a simple texture map with a few controls on making swirl textures or swirl masks.
Snap Verts To Grid Modifier
The Snap Verts To Grid Modifier snaps all the vertices in the object to the world grid based on the grid spacing settings in the modifier.
The Grid and Manipulation
Documents on the grid and related topics.
Random Elements
Random Elements Modifier lets you randomize position, rotation and scale of geometry or UVs at the element level.
Grouped Geometry is Not Supported
When exporting grouped models to SMD, the SMD exporter will fail to export your model correctly.
Alpha Spec
This utility is a helper function to convert your Specular Level bitmap into the Alpha channel of another bitmap.
BSP Topics
Basic discussion of BSP, VBSP and compiling topics.
Brush Materials have incorrect rotation and scale when using the DirectX Shader
The Wall Worm Material Library Generator originally created DirectX Materials for all materials. But updates to the VMF Exporter changed the way materials are interpretted. Whenever possible, you should not use DirectX Materials.