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[C#]クラス名の文字列からインスタンス作ったり、メソッド呼んだり

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クラス名の文字列からインスタンス作ったり、メソッド呼んだり

リフレクションを利用します。

public class Character
{
    private Vector3 position;

    public Character()
    {
        this.position = Vector3.zero;
    }

    public virtual void Move()
    {
        this.position += Vector3.right * right * Time.deltaTime;
    }
}

public class Player : Character
{
}

public class Enemy : Character
{
}

void Main()
{
    string className = "Player";
    Type type = Type.GetType(className);

    // インスタンス作ったり
    Character character = (Character)Activator.CreateInstance(type);

    // メソッド呼んだり
    MethodInfo method = type.GetMethod("Move");
    method.Invoke(character);

    // 引数渡したい場合
    // Object[] args = { "A", "B", "C" };
    // method.Invoke("Hoge", args);
}
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