public void Generate(int seed)
{
mg.Clear();
var oldRandom = Random.state;
Random.InitState(seed);
Quaternion baseRotation = Quaternion.identity;
//float startTime = Time.realtimeSinceStartup;
GenerateSegment(Vector3.zero, baseRotation, Growth, null);
mg.BuildAndAssign();
Random.state = oldRandom;
//float elapsedMs = (Time.realtimeSinceStartup - startTime) * 1000;
//Debug.Log($"plant generated in {elapsedMs:F2}ms");
}