Add GameObjectColliderCache

Runtime/GameObjectComponentCache.cs

@@ -0,0 +1,51 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace MiddleMast
+{
+    public class GameObjectComponentCache<TComponent>
+    {
+        Dictionary<int, TComponent> _dictionary;
+        HashSet<int> _invalids;
+
+        public GameObjectComponentCache()
+        {
+            _dictionary = new Dictionary<int, TComponent>(4);
+            _invalids = new HashSet<int>();
+        }
+
+        public bool TryGetComponent(GameObject gameObject, out TComponent component)
+        {
+            int instanceID = gameObject.GetHashCode();
+
+            if (_dictionary.ContainsKey(instanceID))
+            {
+                component = _dictionary[instanceID];
+                return true;
+            }
+
+            if (_invalids.Contains(instanceID))
+            {
+                component = default;
+                return false;
+            }
+
+            if (gameObject.TryGetComponent(out component))
+            {
+                _dictionary.Add(instanceID, component);
+                return true;
+            }
+            else
+            {
+                _invalids.Add(instanceID);
+                return false;
+            }
+        }
+
+        public void Clear()
+        {
+            _dictionary.Clear();
+            _invalids.Clear();
+        }
+    }
+}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "com.middlemast.core",
-  "version": "1.5.0",
+  "version": "1.6.0",
   "displayName": "MiddleMast Core",
   "description": "",
   "unity": "2019.1",