private double GetAsteroidAngle(KeyValuePair <Point, List <AsteroidInfo> > asteroidGroup)
{
double angle = VectorAssist.GetAngleBetween(asteroidGroup.Key, new Point(0, -1));
if (asteroidGroup.Key.X < 0)
{
angle = 360 - angle;
}
return(angle);
}
public new string ToString()
{
Point direction = Direction == null ? new Point(0, -1) : Direction;
double angle = VectorAssist.GetAngleBetween(direction, new Point(0, -1));
if (direction.X < 0)
{
angle = 360 - angle;
}
return(string.Format("Base @:({0}|{1} Detects: {2} Angle: {3}°)", Position.X, Position.Y, Detections, angle));
}
public override string Solve(string input, bool part2)
{
foreach (string instruction in GetLines(input))
{
if (part2)
{
WaypointInstruction(instruction);
}
else
{
DoInstruction(instruction);
}
Console.WriteLine("Changing Course: " + instruction);
}
return("Distance to Start: " + VectorAssist.ManhattanDistance(new Point(), position).ToString());
}
public int CompareTo(object obj)
{
if (obj.GetType() != typeof(AsteroidInfo))
{
throw new ArgumentException("Can only compare against AsteroidInfo instances");
}
Point startDir = new Point(0, -1);
AsteroidInfo compare = (AsteroidInfo)obj;
if (compare.Direction == Direction)
{
return(Math.Sign(Distance - compare.Distance));
}
else
{
double angle1 = VectorAssist.GetAngleBetween(Direction, startDir);
double angle2 = VectorAssist.GetAngleBetween(compare.Direction, startDir);
if (double.IsNaN(angle1))
{
angle1 = 0;
}
if (double.IsNaN(angle2))
{
angle2 = 0;
}
if (Direction.X < 0)
{
angle1 += 180;
}
if (compare.Direction.X < 0)
{
angle2 += 180;
}
return(Math.Sign(angle1 - angle2));
}
}
