Name
LightDirection - 3D API light direction
Usage
LightDirection[i] = float4(x, y, z, w)
Valid Enumerants
x, y, z, w: floating point values
Description
Specify the lights direction.
See the GL_SPOT_DIRECTION description on the OpenGL glLight manual page for details.
See the Direction member of the D3DLIGHT9 argument to IDirect3DDevice9::SetLight method.
The standard reset callback sets the LightDirection[i] state to float4(0, 0, -1, 1).
Opengl Functionality Requirements
OpenGL 1.0
Direct3D Functionality Requirements
DirectX 9
See Also
LightAmbient,
LightAttenuation0,
LightAttenuation1,
LightAttenuation2,
LightConstantAttenuation,
LightDiffuse,
LightEnable,
LightFalloff,
LightLinearAttenuation,
LightModelAmbient,
LightModelColorControl,
LightModelLocalViewerEnable,
LightModelTwoSideEnable,
LightPhi,
LightPosition,
LightQuadraticAttenuation,
LightRange,
LightSpecular,
LightSpotCutoff,
LightSpotDirection,
LightSpotExponent,
LightTheta,
LightType,
LightingEnable
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