/// <summary>
/// <para>Returns +1 if this instances angle is larger than obj angle.</para>
/// <para>Returns -1 if obj angle is larger than this instances angle.</para>
/// <para>(Returns 0 if they are the same).</para>
/// </summary>
/// <param name="obj">Object to compare to</param>
/// <returns></returns>
public int CompareTo(object obj)
{
HorizontalPoint other = (HorizontalPoint)obj;
//return Math.Sign(other.Angle - Angle);
return(Math.Sign(Angle - other.Angle));
}
public List <HorizontalPoint> GetHorizontalPointsInRange(float fromAngle, float toAngle, VerticalAngle verticalAngle)
{
if (Distances == null || (!Distances.ContainsKey(verticalAngle)))
{
return new List <HorizontalPoint>()
{
new HorizontalPoint(0, float.NaN)
}
}
;
List <HorizontalPoint> pointsInRange = new List <HorizontalPoint>();
bool angleSpansZero = fromAngle > toAngle;
int startIndex = Distances[verticalAngle].FindIndex(point => point.Angle > fromAngle);
if (angleSpansZero)
{
if (startIndex != -1)
{
for (int i = startIndex; i < Distances[verticalAngle].Count; i++)
{
pointsInRange.Add(Distances[verticalAngle][i]);
}
}
int endIndex = Distances[verticalAngle].FindIndex(point2 => point2.Angle > toAngle);
for (int i = 0; i < endIndex; i++)
{
pointsInRange.Add(Distances[verticalAngle][i]);
}
}
else
{
if (startIndex == -1)
{
return new List <HorizontalPoint>()
{
new HorizontalPoint(0, float.NaN)
}
}
;
int i = startIndex;
HorizontalPoint point = Distances[verticalAngle][i];
while (point.Angle < toAngle && i < Distances[verticalAngle].Count)
{
point = Distances[verticalAngle][i];
pointsInRange.Add(point);
++i;
}
}
return(pointsInRange);
}