// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See LICENSE in the project root for license information.

using UnityEngine;
using System.Collections;

namespace HoloToolkit.Examples.GazeRuler
{
    /// <summary>
    /// it's a test case, we try create line correctly between two points
    /// </summary>
    public class LineTest : MonoBehaviour
    {

        public GameObject start;
        public GameObject end;
        public GameObject line;
        public GameObject text;

        // Update is called once per frame
        private void Update()
        {
            var distance = Vector3.Distance(start.transform.position, end.transform.position);
            var midPoint = (start.transform.position + end.transform.position) * 0.5f;
            var direction = end.transform.position - start.transform.position;
            line.transform.position = midPoint;
            line.transform.localScale = new Vector3(distance, 1.0f, 1.0f);
            line.transform.rotation = Quaternion.LookRotation(direction);
            line.transform.Rotate(Vector3.down, 90f);
            text.transform.position = midPoint + new Vector3(0, 0.6f, 0);
            text.transform.rotation = Quaternion.LookRotation(direction.x + direction.y + direction.z < 0 ? direction * -1 : direction);
            text.transform.Rotate(Vector3.up, -90f);

            Debug.Log(Vector3.Angle(direction, Vector3.forward));
        }
    }
}