Beispiel #1
0
        /// <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);
        }