internal Angle RadiansBetweenPointsCounterClockwise([NotNull] Point centrePoint,
[NotNull] Point startPoint,
[NotNull] Point endPoint)
{
ICircleCentreToPointCalculator calculatorStart = new CircleCentreToPointCalculator(centrePoint,
startPoint);
ICircleCentreToPointCalculator calculatorEnd = new CircleCentreToPointCalculator(centrePoint,
endPoint);
Angle angleStart = calculatorStart.AngleRelativeToYAxisCounterclockwise;
Angle angleEnd = calculatorEnd.AngleRelativeToYAxisCounterclockwise;
Angle angle = angleEnd - angleStart;
return(angle);
}
private bool CalculateIfPointIsOnArcSegment([NotNull] IArcSegment segment,
[NotNull] Point point)
{
if (segment.StartPoint.Equals(point) ||
segment.EndPoint.Equals(point))
{
return(true);
}
if (IsDistanceToPointGreaterThanRadius(segment,
point))
{
return(false);
}
ICircleCentreToPointCalculator calculatorStart = new CircleCentreToPointCalculator(segment.CentrePoint,
segment.StartPoint);
ICircleCentreToPointCalculator calculatorEnd = new CircleCentreToPointCalculator(segment.CentrePoint,
segment.EndPoint);
ICircleCentreToPointCalculator calculatorPoint = new CircleCentreToPointCalculator(segment.CentrePoint,
point);
Angle angleStart = calculatorStart.AngleRelativeToYAxisCounterclockwise;
Angle angleEnd = calculatorEnd.AngleRelativeToYAxisCounterclockwise;
Angle anglePoint = calculatorPoint.AngleRelativeToYAxisCounterclockwise;
if (!(angleStart.Degrees >= 0.0))
{
return(false);
}
if (!(angleEnd.Degrees >= 0.0))
{
return(false);
}
return((anglePoint >= angleStart) &&
(anglePoint <= angleEnd));
}