/// <summary>
/// Returns the projection of this onto the vector provided, given as the interval on
/// (or off) the vector. Interval given as distance from the start of the vector.
/// The vector is equivalent to a line from (0, 0).
/// </summary>
/// <param name="Vector">The projection vector.</param>
/// <param name="Interval">The interval to recieve the result.</param>
public override void Project(C2DVector Vector, CInterval Interval)
{
C2DArc ThisCopy = new C2DArc(this);
C2DVector VecCopy = new C2DVector(Vector);
double dAng = VecCopy.AngleFromNorth();
VecCopy.TurnLeft(dAng);
ThisCopy.RotateToRight(-dAng, new C2DPoint(0, 0));
C2DRect rect = new C2DRect();
ThisCopy.GetBoundingRect(rect);
Interval.dMax = rect.GetTop() - VecCopy.j;
Interval.dMin = Interval.dMax;
Interval.ExpandToInclude(rect.GetBottom() - VecCopy.j);
}
/// <summary>
/// Returns the projection of this onto the line provided, given as the interval on
/// (or off) the line. Interval given as distance from the start of the line.
/// </summary>
/// <param name="TestLine">The projection line.</param>
/// <param name="Interval">The interval to recieve the result.</param>
public override void Project(C2DLine TestLine, CInterval Interval)
{
C2DArc ThisCopy = new C2DArc(this);
C2DLine LineCopy = new C2DLine(TestLine);
double dAng = LineCopy.vector.AngleFromNorth();
LineCopy.vector.TurnLeft(dAng);
ThisCopy.RotateToRight(-dAng, LineCopy.point);
C2DRect rect = new C2DRect();
ThisCopy.GetBoundingRect(rect);
Interval.dMax = rect.GetTop() - LineCopy.point.y;
Interval.dMin = Interval.dMax;
Interval.ExpandToInclude(rect.GetBottom() - LineCopy.point.y);
}
/// <summary>
/// Creates a random shape.
/// </summary>
/// <param name="cBoundary">The boundary.</param>
/// <param name="nMinPoints">The minimum points.</param>
/// <param name="nMaxPoints">The maximum points.</param>
public bool CreateRandom(C2DRect cBoundary, int nMinPoints, int nMaxPoints)
{
C2DPolygon Poly = new C2DPolygon();
if (!Poly.CreateRandom(cBoundary, nMinPoints, nMaxPoints))
{
return(false);
}
CRandomNumber rCenOnRight = new CRandomNumber(0, 1);
this.Set(Poly);
for (int i = 0; i < Lines.Count; i++)
{
C2DLineBase pLine = Lines[i];
bool bCenOnRight = (rCenOnRight.GetInt() > 0);
double dLength = pLine.GetLength();
CRandomNumber Radius = new CRandomNumber(dLength, dLength * 3);
C2DArc pNew = new C2DArc(pLine.GetPointFrom(), pLine.GetPointTo(),
Radius.Get(), bCenOnRight, !bCenOnRight);
if (!this.Crosses(pNew))
{
Lines[i] = pNew;
pNew.GetBoundingRect(LineRects[i]);
BoundingRect.ExpandToInclude(LineRects[i]);
}
}
// this.MakeLineRects();
// this.MakeBoundingRect();
return(true);
}
/// <summary>
/// Creates a random shape.
/// </summary>
/// <param name="cBoundary">The boundary.</param>
/// <param name="nMinPoints">The minimum points.</param>
/// <param name="nMaxPoints">The maximum points.</param>
public bool CreateRandom(C2DRect cBoundary, int nMinPoints, int nMaxPoints)
{
C2DPolygon Poly = new C2DPolygon();
if (!Poly.CreateRandom(cBoundary, nMinPoints, nMaxPoints))
return false;
CRandomNumber rCenOnRight = new CRandomNumber(0, 1);
this.Set( Poly );
for (int i = 0 ; i < Lines.Count; i ++)
{
C2DLineBase pLine = Lines[i];
bool bCenOnRight = (rCenOnRight.GetInt() > 0 );
double dLength = pLine.GetLength();
CRandomNumber Radius = new CRandomNumber(dLength , dLength * 3);
C2DArc pNew = new C2DArc( pLine.GetPointFrom(), pLine.GetPointTo(),
Radius.Get(), bCenOnRight, !bCenOnRight);
if (!this.Crosses( pNew ))
{
Lines[i] = pNew;
pNew.GetBoundingRect(LineRects[i]);
BoundingRect.ExpandToInclude(LineRects[i]);
}
}
// this.MakeLineRects();
// this.MakeBoundingRect();
return true;
}
/// <summary>
/// Returns the projection of this onto the vector provided, given as the interval on
/// (or off) the vector. Interval given as distance from the start of the vector.
/// The vector is equivalent to a line from (0, 0).
/// </summary>
/// <param name="Vector">The projection vector.</param>
/// <param name="Interval">The interval to recieve the result.</param>
public override void Project(C2DVector Vector, CInterval Interval)
{
C2DArc ThisCopy = new C2DArc(this);
C2DVector VecCopy = new C2DVector(Vector);
double dAng = VecCopy.AngleFromNorth();
VecCopy.TurnLeft(dAng);
ThisCopy.RotateToRight( -dAng, new C2DPoint(0, 0));
C2DRect rect = new C2DRect();
ThisCopy.GetBoundingRect( rect);
Interval.dMax = rect.GetTop() - VecCopy.j;
Interval.dMin = Interval.dMax;
Interval.ExpandToInclude( rect.GetBottom() - VecCopy.j );
}
/// <summary>
/// Returns the projection of this onto the line provided, given as the interval on
/// (or off) the line. Interval given as distance from the start of the line.
/// </summary>
/// <param name="TestLine">The projection line.</param>
/// <param name="Interval">The interval to recieve the result.</param>
public override void Project(C2DLine TestLine, CInterval Interval)
{
C2DArc ThisCopy = new C2DArc(this);
C2DLine LineCopy = new C2DLine(TestLine);
double dAng = LineCopy.vector.AngleFromNorth();
LineCopy.vector.TurnLeft(dAng);
ThisCopy.RotateToRight( -dAng, LineCopy.point);
C2DRect rect = new C2DRect();
ThisCopy.GetBoundingRect( rect);
Interval.dMax = rect.GetTop() - LineCopy.point.y;
Interval.dMin = Interval.dMax;
Interval.ExpandToInclude(rect.GetBottom() - LineCopy.point.y);
}