[Unity2D] Simple one way platforms

using UnityEngine;
using System.Collections;
/*
 * Some simple code for One Way (cloud) Platforms.
 * USAGE: works with horizontal platforms that only the player will stand on.
 * Platform pivot should be where the player can stand. Player pivot should be at the player's feet.
 * <3 - @x01010111
 */

public class OneWayPlatform : MonoBehaviour {

    public string playerName = "Player";
    private GameObject player;

    //Find player by name
    void Start () {
        player = GameObject.Find(playerName);
        if (player == null) Debug.LogError("(One Way Platform) Please enter correct player name in Inspector for: " + gameObject.name);
    }

    //Check to see if player is under the platform. Collide only if the player is above the platform.
    void FixedUpdate () {
        if (player != null) {
            if (player.transform.position.y < this.transform.position.y) gameObject.collider2D.enabled = false;
            else gameObject.collider2D.enabled = true;
        }
    }
}