maincameraから見た左上・右下等にゲームオブジェクトを移動する。左上を(0,0)にしたい場合等

EasyAnchor.cs

using UnityEngine;
using System.Collections;

public class EasyAnchor : MonoBehaviour
{
	public enum VerticalPosition
	{
		Top = 2,
		Center = 1,
		Bottom = 0
	}

	public enum HorizontalPosition
	{
		Left = 0,
		Center = 1,
		Right = 2
	}

	public VerticalPosition vertical;
	public HorizontalPosition horizonal;


	[ContextMenu("Anchor")]
	void MoveAnchor ()
	{
		float v = (float)vertical / 2;
		float h = (float)horizonal / 2;


		Vector3 pos = Camera.main.ViewportToWorldPoint (new Vector3 (h, v, -Camera.main.transform.position.z));
		transform.position = pos;
	}

	void OnValidate ()
	{
		MoveAnchor ();
	}
}