protected override void ReadV8(ByteReader reader)
{
base.ReadV8( reader );
Position = reader.ReadHCoordF32();
ConstantAttenuation = reader.ReadF32();
LinearAttenuation = reader.ReadF32();
QuadraticAttenuation = reader.ReadF32();
SpreadAngle = reader.ReadF32();
SpotDirection = reader.ReadDirF32();
SpotIntensity = reader.ReadI32();
VersionNumber = reader.ReadI16();
if ( VersionNumber == 1 ) {
CoordSystem = reader.ReadI32();
}
}