public Arc(Point startPoint, Point pointOnArc, Point endPoint)
{
Circle circle = new Circle(startPoint, pointOnArc, endPoint);
this.point_0 = circle.Center;
this.point_1 = startPoint;
this.vector3d_0 = circle.NormalVector;
Vector3d a = new Vector3d(startPoint - this.point_0);
Vector3d b = new Vector3d(endPoint - this.point_0);
this.double_0 = Vector3d.OrientedAngle(a, b, this.vector3d_0);
}
public bool ContainsOnCircumference(Point point)
{
if (!this.ToCircle().ContainsOnCircumference(point))
{
return(false);
}
Vector3d a = new Vector3d(this.point_1 - this.point_0);
Vector3d b = new Vector3d(point - this.point_0);
double num = Vector3d.OrientedAngle(a, b, this.vector3d_0);
if (Global.AlmostEquals(num, 6.2831853071795862, 1E-08, 1E-08))
{
num = 0.0;
}
return(num <= this.double_0 || Global.AlmostEquals(num, this.double_0, 1E-08, 1E-08));
}
public Arc(Point center, Vector3d startVector, Vector3d endVector, Vector3d normalVector)
{
this.point_0 = center;
this.point_1 = center + startVector.ToPoint();
this.vector3d_0 = normalVector;
double num = Vector3d.OrientedAngle(startVector, endVector, normalVector);
this.double_0 = num;
if (!Global.AlmostEquals(startVector.Norm, endVector.Norm))
{
throw new ArgumentException("Error constructing arc: start vector length not equal end vector length.");
}
if (!startVector.IsOrthogonalTo(normalVector) && !endVector.IsOrthogonalTo(normalVector))
{
throw new ArgumentException("Error constructing arc: Normal vector not orthogonal to start and end vector.");
}
}
internal double method_3()
{
return(Vector3d.OrientedAngle(this.method_1().BasisVector[0], this.EndVector(), this.vector3d_0));
}
