vec2& vec2::Normalize()
{
float lenght = Lenght();
x = x / lenght;
y = y / lenght;
return *this;
}
vec3& vec3::Normalize()
{
float lenght = Lenght();
x = x / lenght;
y = y / lenght;
z = z / lenght;
return *this;
}
MathUtils::Wvector MathUtils::Wvector::PerpendicularVec()
{
cv::Point2f newEnd;
newEnd.x = end.x;
if (begin.y != end.y)
newEnd.y = begin.y - (end.x - begin.x)*(end.x - begin.x) / (end.y - begin.y);
else
newEnd.y = end.y + Lenght();
return Wvector(begin, newEnd);
}
MathUtils::Wvector MathUtils::Wvector::ÑodirectionalVec(double lenght)
{
Wvector outVec;
double oldLenght = Lenght();
double dx = lenght * (end.x - begin.x) / oldLenght;
double dy = lenght * (end.y - begin.y) / oldLenght;
outVec.begin = begin;
outVec.end = begin + cv::Point2f(dx, dy);
return outVec;
}
Vector3d Vector3d::Normalize() const
{
return ( (*this) / Lenght() );
}
Vec4& Vec4::Normalize() {
float scale = 1.0f / (Lenght());
(*this) *= scale;
return *this;
}
