C++ Version

private:
  bool Intersect( VectorLine2 VecLine1, VectorLine2 VecLine2 ) {
    float Numerator, Denomniator, u;
    Denominator = ( VecLine2.Vec.Y * VecLine1.Vec.X - VecLine2.Vec.X * VecLine1.Vec.Y );
    if( Denominator == 0 ) {
      return false;
    }
    Numerator = ( VecLine2.Vec.X * ( VecLine1.Base.Y - VecLine2.Base.Y ) - VecLine2.Vec.Y * ( VecLine1.Base.X - VecLine2.Base.X ) );
    u = Numerator / Denominator;
    return !( u < 0 || u > 1 );
  }