Bachelor-Thesis_Furkan_Karakocaoglu/citymodell/Assets/UnityARInterface/Scripts/ARPlaneVisualizer.cs

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

namespace UnityARInterface
{
    public class ARPlaneVisualizer : ARBase
    {
        [SerializeField]
        private GameObject m_PlanePrefab;

        [SerializeField]
        private int m_PlaneLayer;

        public int planeLayer { get { return m_PlaneLayer; } }

        private Dictionary<string, GameObject> m_Planes = new Dictionary<string, GameObject>();

        void OnEnable()
        {
            m_PlaneLayer = LayerMask.NameToLayer ("ARGameObject");
            ARInterface.planeAdded += PlaneAddedHandler;
            ARInterface.planeUpdated += PlaneUpdatedHandler;
            ARInterface.planeRemoved += PlaneRemovedHandler;
        }

        void OnDisable()
        {
            ARInterface.planeAdded -= PlaneAddedHandler;
            ARInterface.planeUpdated -= PlaneUpdatedHandler;
            ARInterface.planeRemoved -= PlaneRemovedHandler;
        }

        protected virtual void CreateOrUpdateGameObject(BoundedPlane plane)
        {
            GameObject go;
            if (!m_Planes.TryGetValue(plane.id, out go))
            {
                go = Instantiate(m_PlanePrefab, GetRoot());

                // Make sure we can pick them later
                foreach (var collider in go.GetComponentsInChildren<Collider>())
                    collider.gameObject.layer = m_PlaneLayer;

                m_Planes.Add(plane.id, go);
            }

            go.transform.localPosition = plane.center;
            go.transform.localRotation = plane.rotation;
            go.transform.localScale = new Vector3(plane.extents.x, 1f, plane.extents.y);
        }

        protected virtual void PlaneAddedHandler(BoundedPlane plane)
        {
            if (m_PlanePrefab)
                CreateOrUpdateGameObject(plane);
        }

        protected virtual void PlaneUpdatedHandler(BoundedPlane plane)
        {
            if (m_PlanePrefab)
                CreateOrUpdateGameObject(plane);
        }

        protected virtual void PlaneRemovedHandler(BoundedPlane plane)
        {
            GameObject go;
            if (m_Planes.TryGetValue(plane.id, out go))
            {
                Destroy(go);
                m_Planes.Remove(plane.id);
            }
        }
    }
}