static public bool IsIntersecting(this LineSegmentF2 item, LineF2 line)
{
float distance;
VectorF2 point;
return(item.TryGetIntersection(line, out distance, out point));
}
static public bool IsIntersecting(this LineF2 item, LineF2 line)
{
if (item.direction != line.direction)
{
return(true);
}
return(false);
}
static public bool TryGetIntersection(this LineSegmentF2 item, LineF2 line, out float distance, out VectorF2 point)
{
if (item.GetLine().TryGetIntersection(line, out distance, out point))
{
if (item.GetRectF2().Contains(point))
{
return(true);
}
}
return(false);
}
static public bool TryGetIntersection(this LineF2 item, LineF2 line, out float distance, out VectorF2 point)
{
if (item.TryGetIntersection(line, out distance))
{
point = item.GetPointAlong(distance);
return(true);
}
point = default(VectorF2);
return(false);
}
static public bool TryGetIntersection(this LineF2 item, LineF2 line, out float distance)
{
VectorF2 offset = item.point - line.point;
if (item.IsIntersecting(line))
{
distance = (line.direction.x * offset.y - line.direction.y * offset.x) /
(line.direction.y * item.direction.x - line.direction.x * item.direction.y);
return(true);
}
distance = 0.0f;
return(false);
}
static public bool TrySplit(this LineSegmentF2 item, LineF2 line, out LineSegmentF2 line_segment1, out LineSegmentF2 line_segment2)
{
VectorF2 point;
if (item.TryGetIntersection(line, out point))
{
line_segment1 = new LineSegmentF2(item.p1, point);
line_segment2 = new LineSegmentF2(point, item.p2);
return(true);
}
line_segment1 = default(LineSegmentF2);
line_segment2 = default(LineSegmentF2);
return(false);
}
static public VectorF2 GetPointAlong(this LineF2 item, float distance)
{
return(item.point + item.direction * distance);
}
static public bool TryGetIntersection(this LineF2 item, LineF2 line, out VectorF2 point)
{
float distance;
return(item.TryGetIntersection(line, out distance, out point));
}
