public static ArcModelMini GetArcParametersFromThreePoints(UnitPoint startPoint, UnitPoint midPoint, UnitPoint endPoint)
{
ArcModelMini arcModel = new ArcModelMini();
arcModel.Clockwise = HitUtil.IsClockwiseByCross(startPoint, midPoint, endPoint);
arcModel.Center = HitUtil.CenterPointFrom3Points(startPoint, midPoint, endPoint);
arcModel.Radius = (float)HitUtil.Distance(arcModel.Center, startPoint);
arcModel.StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(arcModel.Center, startPoint, 0));
float EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(arcModel.Center, endPoint, 0));
arcModel.SweepAngle = (float)HitUtil.CalAngleSweep(arcModel.StartAngle, EndAngle, arcModel.Clockwise);
return(arcModel);
}
