public static void AssignColor([Domain("triangle")] Side s, [Domain("colors")] Color c)
{
s.color = c;
}
public static bool AssignColorEnabled(Side s)
{
return((mode == Mode.Coloring) && (s.color.Equals(Color.unassigned)));
}
static void Init()
{
triangle = new Set <Side>(Side.Create(), Side.Create(), Side.Create());
colors = new Set <Color>(Color.BLUE, Color.RED);
mode = Mode.Coloring;
}