bool Moving() const noexcept { return glm::length2(state.vel) > 0.00001; }
void Move(const glm::dvec3 &dp) noexcept;
void Accelerate(const glm::dvec3 &dv) noexcept;
bool Moving() const noexcept { return glm::length2(state.vel) > 0.00001; }
void Move(const glm::dvec3 &dp) noexcept;
void Accelerate(const glm::dvec3 &dv) noexcept;