private static bool IntersectCircleFigure(List <Figure> figures, Circle investigateFigure)
{
foreach (var figure in figures)
{
if (figure.Equals(investigateFigure))
{
continue;
}
if (figure is CornerFigure)
{
CornerFigure currentFigure = (CornerFigure)figure;
if (IntersectCornerFigureWithCircle(currentFigure, investigateFigure))
{
return(true);
}
}
if (figure is Circle)
{
Circle currentFigure = (Circle)figure;
if (IntersectCircleWithCircle(currentFigure, investigateFigure))
{
return(true);
}
}
}
return(false);
}
public static bool IntersectCornerFigureWithCornerFigure(CornerFigure cornerFigureOne, CornerFigure cornerFigureTwo)
{
for (int i = 0; i < cornerFigureOne.points.Count - 1; i++)
{
for (int j = 0; j < cornerFigureTwo.points.Count - 1; j++)
{
if (IntersectLine(cornerFigureOne.points[i], cornerFigureOne.points[i + 1],
cornerFigureTwo.points[j], cornerFigureTwo.points[j + 1]))
{
return(true);
}
}
}
for (int i = 0; i < cornerFigureOne.points.Count - 1; i++)
{
if (IntersectLine(cornerFigureOne.points[i], cornerFigureOne.points[i + 1],
cornerFigureTwo.points[cornerFigureTwo.points.Count - 1], cornerFigureTwo.points[0]))
{
return(true);
}
}
for (int j = 0; j < cornerFigureTwo.points.Count - 1; j++)
{
if (IntersectLine(cornerFigureOne.points[cornerFigureOne.points.Count - 1],
cornerFigureOne.points[0], cornerFigureTwo.points[j], cornerFigureTwo.points[j + 1]))
{
return(true);
}
}
if (IntersectLine(cornerFigureOne.points[cornerFigureOne.points.Count - 1], cornerFigureOne.points[0],
cornerFigureTwo.points[cornerFigureTwo.points.Count - 1], cornerFigureTwo.points[0]))
{
return(true);
}
return(false);
}
public static bool IntersectCornerFigureWithCircle(CornerFigure cornerFigure, Circle circleFigure)
{
double numberOne, numberTwo;
int h;
Point p1, p2;
// Чи знаходиться вершина в колі
foreach (var point in cornerFigure.points)
{
if (circleFigure.IsPointBelongFigure(point))
{
return(true);
}
}
// Чи перетинає пряма коло по двом точкам
for (int i = 0; i < cornerFigure.points.Count - 1; i++)
{
p1 = cornerFigure.points[i];
p2 = cornerFigure.points[i + 1];
if (CommonSectionCircle(p1, p2, circleFigure))
{
return(true);
}
}
p1 = cornerFigure.points[cornerFigure.points.Count - 1]; // B
p2 = cornerFigure.points[0]; // C
if (CommonSectionCircle(p1, p2, circleFigure))
{
return(true);
}
return(false);
}
