static int GetPeriod(string program, Func <Moon, string> selector)
{
var system = new JupiterSystem(program);
/*@"<x=-1, y=0, z=2>
* <x=2, y=-10, z=-7>
* <x=4, y=-8, z=8>
* <x=3, y=5, z=-1>"); */
/* var system=new JupiterSystem(@"<x=-8, y=-10, z=0>
* <x=5, y=5, z=10>
* <x=2, y=-7, z=3>
* <x=9, y=-8, z=-3>");*/
/* var system=new JupiterSystem(@"<x=0, y=6, z=1>
* <x=4, y=4, z=19>
* <x=-11, y=1, z=8>
* <x=2, y=19, z=15>");*/
byte[] initHash = system.GetUniverseHash(selector);
//Console.WriteLine(system.Moons[0]);
int i = 0;
while (true)
{
system.SimulateTimeStep();
//Console.WriteLine(system.Moons[0]);
var hash = system.GetUniverseHash(selector);
if (initHash.SequenceEqual(hash))
{
Console.WriteLine($"Old Pos ! {i} { system.Moons[0].ToString() }");
return(i + 1);
}
i++;
}
}
static void Main(string[] args)
{
string program = @"<x=0, y=6, z=1>
<x=4, y=4, z=19>
<x=-11, y=1, z=8>
<x=2, y=19, z=15>";
var system = new JupiterSystem(program);
system.SimulateTimeStep(1000);
Console.WriteLine($"Energy = {system.GetTotalEnergy()}");
Console.WriteLine("=> X");
var periodX = GetPeriod(program, x => x.X + " " + x.vX); //+" "+x.Y+" "+x.vY+" "+x.Z+" "+x.vZ);
Console.WriteLine("=> Y");
var periodY = GetPeriod(program, x => x.Y + " " + x.vY);
Console.WriteLine("=> Z");
var periodZ = GetPeriod(program, x => x.Z + " " + x.vZ);
Console.WriteLine($"GlobalPeriod {LCM(periodX,periodY,periodZ)}");
}