rglSetEnvironmentFogClearColor

procedure rglSetEnvironmentFogClearColor(
const aR, aG, aB, aAlpha :Single);
stdcall;

Set the Fog's background colour

Parameters
aR, aG, aB, aAlpha - a colour for the fog's background

Remark
Colour values are clamped between 0.0 and 1.0