Material matColors =
g_Game.GetWorld().GetMaterial(
"postprocess/glow");
SetMaterialParam(matColors, "Saturation", 0.8);
float color[4];
color[0] = 0.5;
color[1] = 0.8;
color[2] = 0.7;
color[3] = 0.6;
SetMaterialParam(matColors, "OverlayColor", color);