Function clamp

utils/cpp_utils/include/vec3.h:454–459

    template<class T>
    inline vec3<T> clamp(const vec3<T> &p, T pMin, T pMax) {
        return vec3<T>(
                clamp(p.x, pMin, pMax),
                clamp(p.y, pMin, pMax),
                clamp(p.z, pMin, pMax));
    }

    template<class T>
    inline vec3<T> triangleNormal(const vec3<T> &v0, const vec3<T> &v1, const vec3<T> &v2) {