public override int GetHashCode()
{
unchecked // disable overflow, for the unlikely possibility that you
{ // are compiling with overflow-checking enabled
int hash = 27;
hash = (13 * hash) + Position.GetHashCode();
hash = (13 * hash) + Velocity.GetHashCode();
hash = (13 * hash) + Acceleration.GetHashCode();
hash = (13 * hash) + Lifespan.GetHashCode();
hash = (13 * hash) + Mass.GetHashCode();
hash = (13 * hash) + BodySize.GetHashCode();
hash = (13 * hash) + HistoryLength.GetHashCode();
hash = (13 * hash) + InitialVelocitySet.GetHashCode();
hash = (13 * hash) + Orientation.GetHashCode();
return(hash);
}
}