IDirect3DRMLight::SetQuadraticAttenuation
HRESULT SetQuadraticAttenuation(D3DVALUE rvAtt);
Sets the quadratic attenuation factor for a light.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
rvAtt
New attenuation factor.