private void Update()
{
var positions = Enumerable
.Range(0, 500)
.Select(c => UnityCurveUtils.Epitrocoid(m_rc, m_rm, c / 10f, m_rd))
.Select(c => new Vector3(c.x, c.y) * m_scale)
.ToArray()
;
lineRenderer.positionCount = positions.Length;
lineRenderer.SetPositions(positions);
}
