将Spline移出Plugin，以调整SplineRenderer的OnWillCameraRender

Assets/Dreamteck/Utilities/SceneUtility.cs

@@ -0,0 +1,95 @@
+namespace Dreamteck
+{
+    using System.Collections.Generic;
+    using UnityEngine;
+    using UnityEngine.SceneManagement;
+
+    public static class SceneUtility
+    {
+        public static List<Transform> childrenList = new List<Transform>();
+
+        public static void GetChildrenRecursively(Transform current)
+        {
+            childrenList.Clear();
+            GetChildrenRecursivelyInternal(current);
+        }
+
+        private static void GetChildrenRecursivelyInternal(Transform current)
+        {
+            childrenList.Add(current);
+            int childCount = current.childCount;
+            for (int i = 0; i < childCount; i++)
+            {
+                GetChildrenRecursivelyInternal(current.GetChild(i));
+            }
+        }
+
+        public static T[] GetComponentsInChildrenRecusrively<T>(this GameObject gameObject) where T : Component
+        {
+            GetChildrenRecursively(gameObject.transform);
+            List<T> components = new List<T>();
+            for (int i = 0; i < childrenList.Count; i++)
+            {
+                T component = childrenList[i].GetComponent<T>();
+                if(component != null)
+                {
+                    components.Add(component);
+                }
+            }
+            return components.ToArray();
+        }
+
+        public static void GetChildrenRecursively(Transform current, ref List<Transform> transformList)
+        {
+            transformList.Add(current);
+            foreach (Transform child in current) GetChildrenRecursively(child, ref transformList);
+        }
+
+        public static T GetComponentInScene<T>(this Scene scene, string objectName = null) where T : Component
+        {
+            var component = default(T);
+            var rootObjects = scene.GetRootGameObjects();
+
+            foreach (var obj in rootObjects)
+            {
+                if (objectName != null && obj.name != objectName) continue;
+                component = obj.GetComponentInChildren<T>();
+                if(component != null)
+                {
+                    break;
+                }
+            }
+
+            return component;
+        }
+
+        public static T[] GetComponentsInScene<T>(this Scene scene, string objectName = null, bool includeInactive = false)
+        {
+            var rootObjects = scene.GetRootGameObjects();
+            var components = new List<T>();
+
+            foreach (var obj in rootObjects)
+            {
+                var rootComponent = obj.GetComponent<T>();
+
+                if (rootComponent != null && (objectName == null || (objectName != null && obj.gameObject.name == obj.name)))
+                {
+                    components.Add(rootComponent);
+                }
+
+                var foundComponents = obj.GetComponentsInChildren<T>(includeInactive);
+
+                for (int i = 0; i < foundComponents.Length; i++)
+                {
+                    var component = foundComponents[i] as Component;
+
+                    if (objectName != null && component != null && component.gameObject.name != objectName) continue;
+
+                    components.Add(foundComponents[i]);
+                }
+            }
+
+            return components.ToArray();
+        }
+    }
+}