2019-05-07 01:05:16 +02:00
|
|
|
#pragma once
|
|
|
|
|
|
|
|
template< typename T >
|
|
|
|
class vec3{
|
|
|
|
private:
|
|
|
|
std::array<T,3> data_;
|
2019-05-10 04:48:35 +02:00
|
|
|
T &x,&y,&z;
|
2019-05-07 01:05:16 +02:00
|
|
|
public:
|
2019-05-10 04:48:35 +02:00
|
|
|
vec3()
|
|
|
|
: x(data_[0]),y(data_[1]),z(data_[2]){}
|
|
|
|
|
|
|
|
vec3( const vec3<T> &v)
|
|
|
|
: data_(v.data_), x(data_[0]),y(data_[1]),z(data_[2]){}
|
2019-10-09 17:22:26 +02:00
|
|
|
|
|
|
|
vec3( std::array<T,3>&& d )
|
|
|
|
: data_(std::move(d)), x(data_[0]),y(data_[1]),z(data_[2]){}
|
2019-05-10 04:48:35 +02:00
|
|
|
|
|
|
|
vec3( vec3<T> &&v)
|
|
|
|
: data_(std::move(v.data_)), x(data_[0]),y(data_[1]),z(data_[2]){}
|
|
|
|
|
2019-05-07 01:05:16 +02:00
|
|
|
T &operator[](size_t i){ return data_[i];}
|
|
|
|
|
|
|
|
const T &operator[](size_t i) const { return data_[i]; }
|
|
|
|
|
|
|
|
T dot(const vec3<T> &a) const
|
|
|
|
{
|
|
|
|
return data_[0] * a.data_[0] + data_[1] * a.data_[1] + data_[2] * a.data_[2];
|
|
|
|
}
|
|
|
|
|
|
|
|
T norm_squared(void) const
|
|
|
|
{
|
|
|
|
return this->dot(*this);
|
|
|
|
}
|
|
|
|
|
|
|
|
T norm(void) const
|
|
|
|
{
|
|
|
|
return std::sqrt( this->norm_squared() );
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
};
|