protected bool Equals(Moon other)
{
return(this.X == other.X &&
this.Y == other.Y &&
this.Z == other.Z &&
this.VelocityX == other.VelocityX &&
this.VelocityY == other.VelocityY &&
this.VelocityZ == other.VelocityZ);
}
private static Moon[] ParseMoons(string[] input)
{
var parseRegex = new Regex("<x=(?<x>-?\\d+), y=(?<y>-?\\d+), z=(?<z>-?\\d+)");
var moons = input.Select(l =>
{
var match = parseRegex.Match(l).Groups;
var result = new Moon()
{
X = int.Parse(match["x"].Value),
Y = int.Parse(match["y"].Value),
Z = int.Parse(match["z"].Value)
};
return(result);
}).ToArray();
return(moons);
}
private void ApplyGravity(Moon moon)
{
VelX = moon.PosX switch
{
var refX when PosX <refX => ++ VelX,
var refX when PosX> refX => -- VelX,
_ => VelX
};
VelY = moon.PosY switch
{
var refY when PosY <refY => ++ VelY,
var refY when PosY> refY => -- VelY,
_ => VelY
};
VelZ = moon.PosZ switch
{
var refZ when PosZ <refZ => ++ VelZ,
var refZ when PosZ> refZ => -- VelZ,
_ => VelZ
};
}
public MoonRelationship(Moon a, Moon b)
{
this.A = a;
this.B = b;
}