C#：列挙型の解説

Sample.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

// 列挙型とは？
// * コードを読みやすくするためのもの（可読性をあげる）
// * 制限の中から選択可能にするもの

public class Sample : MonoBehaviour
{
    enum DIRECTION {
        UP,
        DOWN,
        RIGHT,
        LEFT,
    }

    DIRECTION direction = DIRECTION.DOWN;
    int directionInt = 0; // 0:上

    void Start()
    {

        if (directionInt == 0)
        {
            Debug.Log("下");
        }
        else if(directionInt == 1)
        {
            Debug.Log("上");
        }

        switch (direction)
        {
            case DIRECTION.DOWN:
                Debug.Log("下");
                break;
            case DIRECTION.UP:
                Debug.Log("下");
                break;
            case DIRECTION.RIGHT:
                Debug.Log("下");
                break;
            case DIRECTION.LEFT:
                Debug.Log("下");
                break;
        }

        /*
        if (direction == DIRECTION.Down)
        {
            Debug.Log("下");
        }
        else if (direction == DIRECTION.Up)
        {
            Debug.Log("上");

        }
        else if (direction == DIRECTION.RIGHT)
        {
            Debug.Log("右");

        }
        else if (direction == DIRECTION.LEFT)
        {
            Debug.Log("左");
        }
        */

    }
}