public bool Intersects(Seg2d s, double t0)
{
Vector2d aa = s.a - a;
double det = Vector2d.Cross(ab, s.ab);
t0 = Vector2d.Cross(aa, s.ab) / det;
if (t0 > 0 && t0 < 1) {
double t1 = Vector2d.Cross(aa, ab) / det;
return t1 > 0 && t1 < 1;
}
return false;
}
/*
* Returns true if this segment intersects the given segment.
*
* @param s a segment.
*/
public bool Intersects(Seg2d s)
{
Vector2d aa = s.a - a;
double det = Vector2d.Cross(ab, s.ab);
double t0 = Vector2d.Cross(aa, s.ab) / det;
if (t0 > 0 && t0 < 1)
{
double t1 = Vector2d.Cross(aa, ab) / det;
return(t1 > 0 && t1 < 1);
}
return(false);
}
/*
* Returns true if this segment intersects the given segment.
*
* @param s a segment.
*/
public bool Intersects(Seg2d s)
{
var aa = s.a - a;
var det = Vector2d.Cross(ab, s.ab);
var t0 = Vector2d.Cross(aa, s.ab) / det;
if (t0 > 0 && t0 < 1)
{
var t1 = Vector2d.Cross(aa, ab) / det;
return(t1 > 0 && t1 < 1);
}
return(false);
}