Orthographicカメラの大きさいっぱいにTransformを拡縮するスクリプト(Unity3D)

ScreenAdjustTransform.cs

using UnityEngine;

public class ScreenAdjustTransform : MonoBehaviour {

    public Camera targetCamera = null;

    void AdjustScreen()
    {
        float height = targetCamera.orthographicSize * 2;
        float width = height * targetCamera.aspect;

        transform.localScale = new Vector3(width, height, 1);
    }

    // Use this for initialization
    void Start () {
        AdjustScreen();
    }
}