public static double SumMass(Atom[] atoms)
{
double sum = 0;
foreach (Atom a in atoms)
{
sum += a.Mass;
}
return sum;
}
public Molecule(Atom[] atoms) : base(null, null, -1)
{
if (atoms == null || atoms.Length < 2)
{
throw new ArgumentException("At least 2 atomes in a molecule");
}
Name = Symbol = GetChemicalFormula(atoms);
Mass = SumMass(atoms);
Atoms = atoms;
}
public static string GetChemicalFormula(Atom[] atoms)
{
var dico = new Dictionary<string, int>();
foreach (Atom atom in atoms)
{
if (dico.ContainsKey(atom.Symbol))
dico[atom.Symbol]++;
else
dico[atom.Symbol] = 1;
}
var formula = "";
foreach (string symbol in dico.Keys)
{
formula += symbol;
int count = dico[symbol];
if (count > 1) formula += count;
}
return formula;
}
public Molecule Create(Atom[] atoms)
{
return new Molecule(atoms);
}
