Perhaps the easiest way to understand this is through example. Materials (besides those created with CreateMaterial) are stored in the Valve Material Type or VMT format, which is a plain-text format describing the shader and all material parameters. Materials are used mostly for rendering, but also have other effects - for example, the material will decide what sound a surface should make when it is hit. In almost all cases, at least one of the parameters will refer to a texture. In Lua, a texture is represented with ITexture What is a material?Ī material is a collection of one and any number of parameters. To do: discuss different texture formats and flags A good third-party tool for creating, viewing and editing VTF textures is VTFEdit ( download). Textures in Garry's Mod are stored in the Valve Texture Format, or VTF. There are other ways that textures are used, but the way a texture is used doesn't change how the texture is stored - it is always a bitmap image. The most obvious use for them is to define what an object should look like, in color, but a texture can also be used as a bumpmaps - where the red, green and blue values of each pixel are creatively used to specify its 3D direction. See Also: Valve Developers Wiki links What is a texture?Ī texture is a, meaning it has a concrete width and height in pixels, and each pixel has a certain color (and in some cases, an ). This article will attempt to explain what they are and how to use them.
However, they can be very confusing and intimidating for anyone not familiar with them. Textures and Materials are an important integral features of the Source engine.
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