static Planet Copy(Planet planet)
{
return(new Planet(planet.location.X, planet.location.Y, planet.location.Z));
}
static private void Q2()
{
var workingPlanets = CopyPlanets(Inputs.planets);
long iteration = 0;
var originalState = CopyPlanets(workingPlanets);
long xCycles = 0;
long yCycles = 0;
long zCycles = 0;
do
{
//Update Vector
foreach (var x in workingPlanets)
{
x.Update(workingPlanets.Where(y => y != x).ToList());
}
//Move
foreach (var x in workingPlanets)
{
x.Move();
}
iteration++;
//check x
bool good = true;
if (xCycles == 0)
{
for (int i = 0; i < workingPlanets.Count(); i++)
{
good = Planet.checkAxis(workingPlanets[i].location.X, originalState[i].location.X, workingPlanets[i].velocity.X, originalState[i].velocity.X);
if (good == false)
{
break;
}
}
if (good)
{
xCycles = iteration;
}
}
if (yCycles == 0)
{
good = true;
for (int i = 0; i < workingPlanets.Count(); i++)
{
good = Planet.checkAxis(workingPlanets[i].location.Y, originalState[i].location.Y, workingPlanets[i].velocity.Y, originalState[i].velocity.Y);
if (good == false)
{
break;
}
}
if (good)
{
yCycles = iteration;
}
}
if (zCycles == 0)
{
good = true;
for (int i = 0; i < workingPlanets.Count(); i++)
{
good = Planet.checkAxis(workingPlanets[i].location.Z, originalState[i].location.Z, workingPlanets[i].velocity.Z, originalState[i].velocity.Z);
if (good == false)
{
break;
}
}
if (good)
{
zCycles = iteration;
}
}
} while (xCycles == 0 || yCycles == 0 || zCycles == 0);
//Cheated a bit, used Wolfram Alpha to find the LCM
Console.WriteLine($"Q2: {xCycles} {yCycles} {zCycles}");
}
public static bool Equivalent(Planet one, Planet two)
{
return(one.location.X == two.location.X &&
one.location.Y == two.location.Y &&
one.location.Z == two.location.Z);
}
