public sRect(DelegateContainer _dlc, Point Down, Point Up)
: base(_dlc)
{
this.Up = base.dlc.fScreenToReal(Down);
this.Down = base.dlc.fScreenToReal(Up);
}
public sRect(DelegateContainer _dlc, double x1, double y1, double x2, double y2)
: base(_dlc)
{
this.Up = new fpoint(x1, y1);
this.Down = new fpoint(x2, y2);
}
public sLine(DelegateContainer _dlc, double x1, double y1, double x2, double y2)
: base(_dlc)
{
fpBeg = new fpoint(x1, y1);
fpEnd = new fpoint(x2, y2);
}
public override double GetR(fpoint f)
{
fpoint bp;
fpoint cp;
if (fpoint.GetRasst(f, fpEnd) > fpoint.GetRasst(f, fpBeg))
{
bp = fpEnd - fpBeg;
cp = f - fpBeg;
}
else
{
bp = fpBeg - fpEnd;
cp = f - fpEnd;
}
double a = fpoint.GetRasstNormalized(cp);
double b = fpoint.GetRasstNormalized(bp);
double cosa = (bp.x * cp.x + bp.y * cp.y) / (a * b);
double res = cosa >= 0 ? Math.Sqrt(1 - cosa * cosa) * a : -1;
return res < 50 ? res : -1;
}
//Длина вектора с началом в точке (0,0)
public static double GetRasstNormalized(fpoint a)
{
return(Math.Sqrt(a.x * a.x + a.y * a.y));
}
public sLine(DelegateContainer _dlc, Point p1, Point p2)
: base(_dlc)
{
fpBeg = base.dlc.fScreenToReal(p1);
fpEnd = base.dlc.fScreenToReal(p2);
}
public sCross(DelegateContainer _dlc, double x, double y)
: base(_dlc)
{
Center = new fpoint(x, y);
}
public sCircle(DelegateContainer _dlc, Point Down, Point Up)
: base(_dlc)
{
this.Center = base.dlc.fScreenToReal(Down);
this.Radius = fpoint.GetRasst(base.dlc.fScreenToReal(Down), base.dlc.fScreenToReal(Up));
}
public override double GetR(fpoint f)
{
double val = fpoint.GetRasst(Center, f);
return val < Radius ? val : -1;
}
public sCross(DelegateContainer _dlc, int x, int y)
: base(_dlc)
{
Center = base.dlc.fScreenToReal(new Point(x, y));
}
//переводит истинны координаты в экранные
public Point RealToScreen(fpoint pt)
{
try
{
return new Point(Convert.ToInt32(pt.x * rs_dx), Convert.ToInt32(pt.y * rs_dy));
}
catch (Exception e)
{
onException("Ошибка при преобразовании координаты", e.Message);
return new Point();
}
}
//Длина вектора с началом в точке (0,0)
public static double GetRasstNormalized(fpoint a)
{
return Math.Sqrt(a.x * a.x + a.y * a.y);
}
//Расстояние между двумя точками
public static double GetRasst(fpoint a, fpoint b)
{
return Math.Sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y));
}
public override double GetR(fpoint f)
{
fpoint a;
fpoint b;
WHRect(out a, out b);
if ((f.x > a.x) && (f.y > a.y) && (f.x < b.x) && (f.y < b.y)) return 10;
return -1;
}
public override double GetR(fpoint f)
{
double val = fpoint.GetRasst(this.Center, f);
return val < 50 ? val: -1;
}
private void WHRect(out fpoint a, out fpoint b)
{
fpoint uppoint;
fpoint dwpoint;
if (Up.y < Down.y)
{
uppoint = Up;
dwpoint = Down;
}
else
{
uppoint = Down;
dwpoint = Up;
}
if (uppoint.x > dwpoint.x)
{
double temp = dwpoint.y;
dwpoint.y = uppoint.y;
uppoint.y = temp;
fpoint tmp = dwpoint;
dwpoint = uppoint;
uppoint = tmp;
}
a = uppoint;
b = dwpoint;
}
//Получает расстояние от данной точки до фигуры public abstract double GetR(fpoint f);
public sCircle(DelegateContainer _dlc, double x1, double y1, double r)
: base(_dlc)
{
this.Center = new fpoint(x1, y1);
this.Radius = r;
}
//Расстояние между двумя точками
public static double GetRasst(fpoint a, fpoint b)
{
return(Math.Sqrt((a.x - b.x) * (a.x - b.x) + (a.y - b.y) * (a.y - b.y)));
}
