/// <summary>
/// Bezier constructor
/// </summary>
/// <param name="P1">P1</param>
/// <param name="P2">P2</param>
/// <param name="P3">P3</param>
/// <param name="P4">P4</param>
public BezierD(
PointD P1,
PointD P2,
PointD P3,
PointD P4
)
{
this.P1 = P1;
this.P2 = P2;
this.P3 = P3;
this.P4 = P4;
return;
}
/// <summary>
/// Distance between two points
/// </summary>
/// <param name="Other">Other point</param>
/// <returns>Distance</returns>
public Double Distance(
PointD Other
)
{
return((new LineD(this, Other)).Length);
}
/// <summary>
/// LineD constructor (two points)
/// </summary>
/// <param name="P1">Point 1</param>
/// <param name="P2">Point 2</param>
public LineD(
PointD P1,
PointD P2
)
{
this.P1 = P1;
this.P2 = P2;
return;
}
/// <summary>
/// PointD constructor
/// </summary>
/// <param name="Center">Center point</param>
/// <param name="Radius">Radius</param>
/// <param name="Alpha">Angle</param>
public PointD(
PointD Center,
Double Radius,
Double Alpha
)
{
this.X = Center.X + Radius * Math.Cos(Alpha);
this.Y = Center.Y + Radius * Math.Sin(Alpha);
return;
}
/// <summary>
/// Bezier constructor
/// </summary>
/// <param name="P1">P1</param>
/// <param name="Factor2">Factor2</param>
/// <param name="Alpha2">Alpha2</param>
/// <param name="Factor3">Factor3</param>
/// <param name="Alpha3">Alpha3</param>
/// <param name="P4">P4</param>
public BezierD(
PointD P1,
Double Factor2,
Double Alpha2,
Double Factor3,
Double Alpha3,
PointD P4
)
{
// save two end points
this.P1 = P1;
this.P4 = P4;
// distance between end points
LineD Line = new LineD(P1, P4);
Double Length = Line.Length;
if(Length == 0)
{
P2 = P1;
P3 = P4;
return;
}
// angle of line between end points
Double Alpha = Line.Alpha;
this.P2 = new PointD(P1, Factor2 * Length, Alpha + Alpha2);
this.P3 = new PointD(P4, Factor3 * Length, Alpha + Alpha3);
return;
}