public bool isIn(int X, int Y)
{
int minInd = this.myFigure.getIndMinX();
if (X < this.myFigure[minInd].X)
{
return(false);
}
int iUp = minInd;
int iDown = minInd;
PtUpAndDown myCouplesUpAndDown = new PtUpAndDown(this.myFigure, minInd);
int nbBoucles = 0;
while (myCouplesUpAndDown.getUp().max().X < X && nbBoucles++ < this.myFigure.Count)
{
iUp -= myCouplesUpAndDown.downIncrement ? +1 : -1;
iUp = Modulo.posModulo(iUp, this.myFigure.Count);
myCouplesUpAndDown.setUp(iUp);
}
if (nbBoucles >= this.myFigure.Count)
{
return(false);
}
if (X == -1 && Y == -1)
{
int rrr = 0;
}
FtcLine myftcUp = FtcLine.fromPoints(myCouplesUpAndDown.getUp().max().toVector(), myCouplesUpAndDown.getUp().min().toVector());
if (myftcUp.calcY(X) < Y)
{
return(false);
}
nbBoucles = 0;
while (myCouplesUpAndDown.getDown().max().X < X && nbBoucles++ < this.myFigure.Count)
{
iDown += myCouplesUpAndDown.downIncrement ? +1 : -1;
iDown = Modulo.posModulo(iDown, this.myFigure.Count);
myCouplesUpAndDown.setDown(iDown);
}
if (nbBoucles >= this.myFigure.Count)
{
return(false);
}
FtcLine myftcDown = FtcLine.fromPoints(myCouplesUpAndDown.getDown().max().toVector(), myCouplesUpAndDown.getDown().min().toVector());
if (myftcDown.calcY(X) > Y)
{
return(false);
}
return(true);
}
//return null if ptInFigure not in figure
public Point3[] getPtsAround(Point3 ptInFigure, uint precision = 1)
{
Point3 ptPrev, ptNext;
int i = -1;
FtcLine ftcLine;
float calcY;
do
{
i++;
ptPrev = this[i];
ptNext = this[Modulo.posModulo(i + 1, this.Count)];
ftcLine = FtcLine.fromPoints(ptPrev.toVector(), ptNext.toVector());
calcY = ftcLine.calcY(ptInFigure.X);
}while (i + 1 < this.Count && (calcY > ptInFigure.Y + precision || calcY < ptInFigure.Y - precision));
if (i + 1 == this.Count)
{
return(null);
}
return(new Point3[] { ptPrev, ptNext });
}
static public FtcLine fromVector(FloatVector vector, Point3 point)
{
return(FtcLine.fromPoints(point.toVector(), point.toVector().add(vector)));
}