public bool Intersects(LineSegment2D otherLine, out Point2D intersectionPoint)
{
intersectionPoint = null;
var linSolveResult = MatrixOperations.LinSolve(new[, ]
{
{ Vector.X, -otherLine.Vector.X },
{ Vector.Y, -otherLine.Vector.Y }
}, new[]
{
otherLine.Point.X - Point.X,
otherLine.Point.Y - Point.Y
}, out var isValid);
if (!isValid)
{
return(false);
}
if (!linSolveResult.All(x => x.IsBetween(0, 1)))
{
return(false);
}
intersectionPoint = Point + (linSolveResult[0] * Vector).ToVector2D();
return(true);
}
public static double DistanceToLineSegment(this Point2D point, LineSegment2D lineSegment)
{
return(DistanceToLineSegment(point, lineSegment.Point, lineSegment.Point + lineSegment.Vector));
}