Fixed meta file problem

Assets/Scripts/Environment/FrustumCulling.cs

@@ -0,0 +1,61 @@
+using UnityEngine;
+
+namespace Environment
+{
+    [RequireComponent(typeof(Camera))]
+    public sealed class FrustumCulling : MonoBehaviour
+    {
+        private const string CULL_ABLE_TAG = "Cullable";
+
+        private GameObject[] _cullAbleObjects;
+        private Renderer[] _cachedRenderers;
+        private Camera _this;
+
+        private void Awake() => _this = GetComponent<Camera>();
+
+        private void Start() => InitCullingObjects();
+
+        private void Update() => UpdateCullAbles();
+
+        private void InitCullingObjects()
+        {
+            _cullAbleObjects = GameObject.FindGameObjectsWithTag(CULL_ABLE_TAG);
+            _cachedRenderers = new Renderer[_cullAbleObjects.Length];
+            int length = _cullAbleObjects.Length;
+
+            for (int i = 0; i < length; i++)
+            {
+                _cachedRenderers[i] = _cullAbleObjects[i].GetComponent<Renderer>();
+            }
+        }
+
+        private void UpdateCullAbles()
+        {
+            Plane[] planes = GeometryUtility.CalculateFrustumPlanes(_this);
+            int length = _cullAbleObjects.Length;
+
+            for (int i = 0; i < length; i++)
+            {
+                bool isVisible = GeometryUtility.TestPlanesAABB(planes, _cachedRenderers[i].bounds);
+
+                OcclusionCulling(ref isVisible, i);
+
+                _cullAbleObjects[i].SetActive(isVisible);
+            }
+        }
+
+        private void OcclusionCulling(ref bool isVisible, int i)
+        {
+            if (!isVisible) 
+                return;
+
+            Vector3 direction = _cullAbleObjects[i].transform.position - _this.transform.position;
+            float distance = direction.magnitude;
+            RaycastHit hit;
+
+            if (Physics.Raycast(_this.transform.position, direction, out hit, distance)
+                && hit.transform != _cullAbleObjects[i].transform)
+                isVisible = false;
+        }
+    }
+}