public quaternion[] GetThreePoints(double k = 100.0)
{
quaternion[] rez = new quaternion[3];
quaternion xOrt = new quaternion(0, 1, 0, 0);
quaternion yOrt = new quaternion(0, 0, 1, 0);
quaternion r1 = n / xOrt;
quaternion r2 = n / yOrt;
quaternion r3 = (r1.absV() > r2.absV()) ? r1 : r2;
r3 = new quaternion(0, r3.GetX(), r3.GetY(), r3.GetZ());
UCS ucs = new UCS(new quaternion(), n, r3);
rez[0] = new quaternion();
rez[1] = ucs.ToACS(new quaternion(0, 0, 0, k));
rez[2] = ucs.ToACS(new quaternion(0, 0, k, 0));
return(rez);
}
//p1 - start na otse4kata, p2 - end of segment
// nout internal - return null
public static quaternion IsInternalForSegment(quaternion p1, quaternion p2, quaternion p)
{
quaternion rez = (p - p1) / (p2 - p1);
return((rez.absV() < Constants.zero_dist && rez.real() > Constants.zero_dist && rez.real() < (1.0 - Constants.zero_dist)) ? rez : null);
}
//3 points and line
//p1,p2 define line
// nout coincident - return null
public static quaternion IsCoincidentWithLine(quaternion p1, quaternion p2, quaternion p)
{
quaternion rez = (p - p1) / (p2 - p1);
return((rez.absV() < Constants.zero_dist) ? rez: null);
}
//p1 - start na otse4kata, p2 - end of segment
// nout internal - return null
public quaternion IsInternalForSegment(quaternion lP1, quaternion lP2)
{
quaternion rez = (new quaternion(q[0], q[1], q[2], q[3]) - lP1) / (lP2 - lP1);
return((rez.absV() < Constants.zero_dist && rez.real() > Constants.zero_dist && rez.real() < (1.0 - Constants.zero_dist)) ? rez : null);
}
//3 points and line
//p1,p2 define line
// nout coincident - return null
public quaternion IsCoincidentWithLine(quaternion lP1, quaternion lP2)
{
quaternion rez = (new quaternion(q[0], q[1], q[2], q[3]) - lP1) / (lP2 - lP1);
return((rez.absV() < Constants.zero_dist) ? rez : null);
}
