/// <summary>
/// Calculates arrow head position and draws it
/// </summary>
private void ArrowHead()
{
Vector3 arrowHeadPos = Vector3.up * (sinParam * arrowHeadAmplitude + arrowHeadOffset) + new Vector3(0.5f, 0, 0.5f);
Vector3 currentDirection = Quaternion.AngleAxis(currentAngle, Vector3.up) * Vector3.forward;
CustomGizmos.DrawArrowTip(arrowHeadPos, Vector3.down, arrowTipSize, currentDirection);
}