radians.h

#pragma once
 
namespace smlt {
 
struct Degrees;
 
struct Radians {
private:
    float value_ = 0.0f;
 
public:
    Radians():
        value_(0) {}
 
    explicit Radians(float value):
        value_(value) {}
 
    Radians(const Degrees& rhs);
 
    template<typename T>
    bool operator<(T value) const {
        return value_ < value;
    }
 
    template<typename T>
    bool operator<=(T value) const {
        return value_ <= value;
    }
 
    template<typename T>
    bool operator>(T value) const {
        return value_ > value;
    }
 
    template<typename T>
    bool operator>=(T value) const {
        return value_ >= value;
    }
 
    float to_float() const {
        return value_;
    }
 
    Degrees to_degrees() const;
 
    Radians operator*(float scalar) const {
        return Radians(to_float() * scalar);
    }
 
    Radians& operator*=(float scalar) {
        value_ *= scalar;
        return *this;
    }
};
 
Radians lerp_angle(Radians a, Radians b, float t);
 
typedef Radians Rad;
}
 
smlt::Radians operator""_rad(long double v);