public override Rect GetBounds(ref Point start)
{
var centre = GetCentre(ref start);
var angle = GetAngle(ref start);
if (Comparators.InIntervalDown(start.X, EndPoint.X, centre.X) &&
Comparators.InIntervalDown(start.Y, EndPoint.Y, centre.Y))
{
if (angle < 180)
{
return(new Rect(start, EndPoint));
}
////else
////{
//// var r = GetRadius(ref start);
//// return new Rect(centre.X - r, centre.Y - r, 2 * r, 2 * r);
////}
}
var min = new Point(double.PositiveInfinity, double.PositiveInfinity);
var max = new Point(double.NegativeInfinity, double.NegativeInfinity);
CheckMinMax(ref start, ref min, ref max);
Point ep = EndPoint;
CheckMinMax(ref ep, ref min, ref max);
double a = 5;
angle = Math.Abs(angle);
if (a < angle)
{
int numberOfTiles = (int)Math.Ceiling(angle / a);
double rel = a / angle;
for (int i = 1; i < numberOfTiles; ++i)
{
var pt = GetPointOnSegment(ref start, i * rel);
CheckMinMax(ref pt, ref min, ref max);
}
}
return(new Rect(min, max));
}