P background F 26B.x3d F 26B_tiltedBackground.x3d F 26_TextureBackground.wrl F 26_textureOnly.x3d F TextureBackground.x3d p P fog F ExponentialFog.x3d F FogCoords.wrl F FogCoords.x3d F FogCoordsNone.x3d F FogScale.x3d F LinearFog.x3d F LocalFog.x3d P fog/mufti F fogerror.x3dv F fogerrorB.x3dv p F NoFog.x3d F SibAffector.x3d p