> ## Name

> MaterialAmbient - 3D API material ambient

> ## Usage

> MaterialAmbient = float4(r, g, b, a)

> ## Valid Enumerants

> r, g, b, a: floating point values

> ## Description

> Specify the materials ambient reflectance values. See the GL_AMBIENT description on the OpenGL glMaterial manual page for details. See the D3DRS_AMBIENTMATERIALSOURCE render state description for DirectX 9.

> The standard reset callback sets the MaterialAmbient state to float4(0.2, 0.2, 0.2, 1.0).

> ## Opengl Functionality Requirements

> OpenGL 1.0

> ## Direct3D Functionality Requirements

> DirectX 9

> ## See Also

> AmbientMaterialSource, ColorMaterial, DiffuseMaterialSource, EmissiveMaterialSource, MaterialDiffuse, MaterialEmission, MaterialEmissive, MaterialPower, MaterialShininess, MaterialSpecular, SpecularMaterialSource