check http://gyrowiki.jibbsmart.com/blog:finding-gravity-with-sensor-fusion

[github-actions]

Line: 69

gyromouse//src/space_mapper.rs

Lines 66 to 76 in 2f32632

	}
	impl SensorFusion for AdaptativeFusion {
	// TODO: check http://gyrowiki.jibbsmart.com/blog:finding-gravity-with-sensor-fusion
	// TODO: check normalize() with magnitude 0.
	fn compute_up_vector(&mut self, motion: &Motion, dt: Duration) -> Vector3<f64> {
	// settings
	let smoothing_half_time = 0.25;
	let shakiness_min_threshold = 0.4;
	let shakiness_max_threshold = 0.01;
	let still_rate = 1.;