/// <summary> Determines whether the current line intersects the specified line. </summary>
public virtual bool Intersects(Line line)
{
Point intersection = FindExtrapolatedIntersection(this, line);
if (double.IsNaN(intersection.X))
return false;//they're parallel
//the intersection may be on the extrapolation of the specified line, and is checked by the Contains method:
return line.Contains(intersection);
}
/// <summary> Determines whether the current line segment intersects the specified line. </summary>
public override bool Intersects(Line other)
{
if (!(other is LineSegment)) return other.Intersects(this);//this simpler case is handled by the base class
Point intersection = FindExtrapolatedIntersection(this, other);
if (double.IsNaN(intersection.X)) return false;//the lines are parallel
//the intersection may lie on the extrapolation of the segments. To check that they are within the boundaries, the contains method is invoked for each segment
return this.Contains(intersection) && other.Contains(intersection);
}
/// <summary> Determines whether the current line intersects the specified line. </summary>
public virtual bool Intersects(Line line)
{
Point intersection = FindExtrapolatedIntersection(this, line);
if (double.IsNaN(intersection.X))
{
return(false); //they're parallel
}
//the intersection may be on the extrapolation of the specified line, and is checked by the Contains method:
return(line.Contains(intersection));
}
/// <summary> Determines whether the current line segment intersects the specified line. </summary>
public override bool Intersects(Line other)
{
if (!(other is LineSegment))
{
return(other.Intersects(this)); //this simpler case is handled by the base class
}
Point intersection = FindExtrapolatedIntersection(this, other);
if (double.IsNaN(intersection.X))
{
return(false); //the lines are parallel
}
//the intersection may lie on the extrapolation of the segments. To check that they are within the boundaries, the contains method is invoked for each segment
return(this.Contains(intersection) && other.Contains(intersection));
}