public static MPoint IntersectThree(MCircle c1, MCircle c2, MCircle c3)
{
MPoint[] points = IntersectPoints(c1, c2);
if (c3.onCircle(points[0]))
{
return(points[0]);
}
if (c3.onCircle(points[1]))
{
return(points[1]);
}
MLine[] lines = new MLine[2];
lines[0] = IntersectLine(c1, c2);
lines[1] = IntersectLine(c2, c3);
return(MLine.Intersect(lines[0], lines[1]));
}
protected bool Equals(MLine other)
{
return(M.Equals(other.M) && B.Equals(other.B));
}
public static MPoint Intersect(MLine l1, MLine l2)
{
double x = (l2.B - l1.B) / (l1.M - l2.M);
return(new MPoint(x, l1.X(x)));
}
