Vector2.cpp

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#include "Vector2.hpp"

#include "../math/CoorT.hpp"
#include "../math/BrayT.hpp"
#include "../math/Trig.hpp"

namespace se_core {

    coor_t Vector2
    ::length() const {
        return CoorT::sqrt(lengthSquared());
    }


    bray_t Vector2
    ::angle(const Vector2& v1) const {
        // stabler than acos
        return BrayT::abs(Trig::atan2(x_*v1.y_ - y_*v1.x_ , dot(v1)));
    }

}

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