/// <summary>
/// Create a circle from the midpoint between two points, in a direction along a specified axis
/// </summary>
/// <param name="p1">First point on the circumference of the circle</param>
/// <param name="p2">Second point on the circumference of the circle</param>
/// <param name="axis">Direction of the plane in which the circle lies</param>
public Circle3D(Point3D p1, Point3D p2, UnitVector3D axis)
{
this.CenterPoint = Point3D.MidPoint(p1, p2);
this.Axis = axis;
this.Radius = p1.DistanceTo(CenterPoint);
}
/// <summary>
/// Initializes a new instance of the <see cref="Circle3D"/> struct.
/// Create a circle from the midpoint between two points, in a direction along a specified axis
/// </summary>
/// <param name="p1">First point on the circumference of the circle</param>
/// <param name="p2">Second point on the circumference of the circle</param>
/// <param name="axis">Direction of the plane in which the circle lies</param>
/// <returns>A <see cref="Circle3D"/></returns>
public static Circle3D FromPointsAndAxis(Point3D p1, Point3D p2, UnitVector3D axis)
{
var cp = Point3D.MidPoint(p1, p2);
return(new Circle3D(cp, axis, cp.DistanceTo(p1)));
}
