public new void Add(EntitySolverUpdateable manifoldConstraint)
{
//This is a similar process to a normal solver group.
//However, it does not attempt to change involved entities.
//This is for two reasons:
//-It is unnecessary; a contact manifold is always between the same two entities throughout its lifespan.
//-It causes race conditions; this method is called in a multithreaded context and changing involved
// entities calls upon sequential-only methods.
if (manifoldConstraint.solver == null)
{
if (manifoldConstraint.SolverGroup == null)
{
solverUpdateables.Add(manifoldConstraint);
manifoldConstraint.SolverGroup = this;
manifoldConstraint.Solver = solver;
}
else
{
throw new InvalidOperationException("Cannot add SolverUpdateable to SolverGroup; it already belongs to a SolverGroup.");
}
}
else
{
throw new InvalidOperationException("Cannot add SolverUpdateable to SolverGroup; it already belongs to a solver.");
}
}
