public static bool GetIntersectionParameters(
Segment2BR a,
Segment2BR b,
out BigRational[] pArray,
out BigRational[] qArray)
{
Vector2BR delta1 = a.GetDelta();
Vector2BR delta2 = b.GetDelta();
BigRational bigRational1 = delta1.X * delta2.Y - delta1.Y * delta2.X;
if (bigRational1.IsZero)
{
Segment2BR.Struct6 struct6_1 = new Segment2BR.Struct6(a.point2BR_0, a.point2BR_1, delta1);
Segment2BR.Struct6 struct6_2 = new Segment2BR.Struct6(b.point2BR_0, b.point2BR_1, delta2);
if ((struct6_1.bigRational_0 > struct6_2.bigRational_0 ? (!struct6_1.method_0(b.point2BR_0) ? 0 : (struct6_1.method_0(b.End) ? 1 : 0)) : (struct6_2.bigRational_0.IsZero || !struct6_2.method_0(a.point2BR_0) ? 0 : (struct6_2.method_0(a.point2BR_1) ? 1 : 0))) != 0)
{
if (struct6_1.method_1(b.point2BR_0))
{
if (struct6_1.method_1(b.point2BR_1))
{
pArray = new BigRational[2]
{
a.GetNormalizedProjection(b.point2BR_0),
a.GetNormalizedProjection(b.point2BR_1)
};
qArray = new BigRational[2]
{
BigRational.Zero,
BigRational.One
};
return(true);
}
if (struct6_2.method_1(a.point2BR_0))
{
pArray = new BigRational[2]
{
BigRational.Zero,
a.GetNormalizedProjection(b.point2BR_0)
};
qArray = new BigRational[2]
{
b.GetNormalizedProjection(a.point2BR_0),
BigRational.Zero
};
return(true);
}
if (struct6_2.method_1(a.End))
{
pArray = new BigRational[2]
{
a.GetNormalizedProjection(b.point2BR_0),
BigRational.One
};
qArray = new BigRational[2]
{
BigRational.Zero,
b.GetNormalizedProjection(a.point2BR_1)
};
return(true);
}
}
else if (struct6_1.method_1(b.point2BR_1))
{
if (struct6_2.method_1(a.point2BR_0))
{
if (struct6_2.method_1(a.End))
{
pArray = new BigRational[2]
{
BigRational.Zero,
BigRational.One
};
qArray = new BigRational[2]
{
b.GetNormalizedProjection(a.point2BR_0),
b.GetNormalizedProjection(a.point2BR_1)
};
}
else
{
pArray = new BigRational[2]
{
BigRational.Zero,
a.GetNormalizedProjection(b.point2BR_1)
};
qArray = new BigRational[2]
{
b.GetNormalizedProjection(a.point2BR_0),
BigRational.One
};
}
return(true);
}
if (struct6_2.method_1(a.End))
{
pArray = new BigRational[2]
{
BigRational.One,
a.GetNormalizedProjection(b.point2BR_1)
};
qArray = new BigRational[2]
{
b.GetNormalizedProjection(a.point2BR_1),
BigRational.One
};
return(true);
}
}
else if (struct6_2.method_1(a.point2BR_0))
{
pArray = new BigRational[2]
{
BigRational.Zero,
BigRational.One
};
qArray = new BigRational[2]
{
b.GetNormalizedProjection(a.point2BR_0),
b.GetNormalizedProjection(a.point2BR_1)
};
return(true);
}
}
pArray = (BigRational[])null;
qArray = (BigRational[])null;
return(false);
}
BigRational bigRational2 = (b.Start.X - a.Start.X) * delta2.Y - (b.Start.Y - a.Start.Y) * delta2.X;
if (bigRational1.IsPositive)
{
if (bigRational2.IsNegative || bigRational2 > bigRational1)
{
pArray = (BigRational[])null;
qArray = (BigRational[])null;
return(false);
}
}
else if (bigRational2.IsPositive || bigRational2 < bigRational1)
{
pArray = (BigRational[])null;
qArray = (BigRational[])null;
return(false);
}
BigRational bigRational3 = (b.Start.X - a.Start.X) * delta1.Y - (b.Start.Y - a.Start.Y) * delta1.X;
if (bigRational1.IsPositive)
{
if (bigRational3.IsNegative || bigRational3 > bigRational1)
{
pArray = (BigRational[])null;
qArray = (BigRational[])null;
return(false);
}
}
else if (bigRational3.IsPositive || bigRational3 < bigRational1)
{
pArray = (BigRational[])null;
qArray = (BigRational[])null;
return(false);
}
BigRational bigRational4 = bigRational2 / bigRational1;
BigRational bigRational5 = bigRational3 / bigRational1;
pArray = new BigRational[1] {
bigRational4
};
qArray = new BigRational[1] {
bigRational5
};
return(true);
}
