/// <summary>
/// Calculates and draws arrow
/// </summary>
private void Arrow()
{
Vector3 arrowHeadPos = Vector3.up * (sinParam * arrowHeadAmplitude + arrowHeadOffset) + new Vector3(0.5f, 1f, 1.5f);
Vector3 currentDirection = Quaternion.AngleAxis(currentAngle, Vector3.up) * Vector3.forward;
CustomGizmos.DrawArrow(arrowHeadPos, arrowHeadPos + Vector3.down, arrowTipSize, currentDirection);
}