NAME
LightSpotDirection - 3D API light spot direction
USAGE
LightSpotDirection[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 LightSpotDirection[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, LightDirection, LightEnable, LightFalloff, LightLinearAttenuation, LightModelAmbient, LightModelColorControl, LightModelLocalViewerEnable, LightModelTwoSideEnable, LightPhi, LightPosition, LightQuadraticAttenuation, LightRange, LightSpecular, LightSpotCutoff, LightSpotExponent, LightTheta, LightType, LightingEnable