1 files changed, 17 insertions, 1 deletions
diff --git a/marching/Assets/Scripts/Physics/PhysicsQuadtree.cs b/marching/Assets/Scripts/Physics/PhysicsQuadtree.cs
index f4bad27..5cd374e 100644
--- a/marching/Assets/Scripts/Physics/PhysicsQuadtree.cs
+++ b/marching/Assets/Scripts/Physics/PhysicsQuadtree.cs
@@ -8,9 +8,20 @@ using UnityEngine;
 /// </summary>
 class PhysicsQuadtree
 {
+    /// <summary>
+    /// 边界
+    /// </summary>
     public Vector4 quadtreeRange { set { m_QuadtreeRange = value; } }
     private Vector4 m_QuadtreeRange;
+
+    /// <summary>
+    /// 根节点
+    /// </summary>
     private Quadtree m_Quadtree;
+
+    /// <summary>
+    /// 托管的全部对象，但不一定会加入到树里面（中心点在边界外的不加入树）
+    /// </summary>
     private List<IQuadTreeObject> m_Objects = new List<IQuadTreeObject>();
 
     public PhysicsQuadtree(Vector4 range)
@@ -33,12 +44,17 @@ class PhysicsQuadtree
     {
         m_Quadtree.Clear(false);
         m_Quadtree.Rebound(m_QuadtreeRange);
+        InsertAllObjects();
+    }
+
+    private void InsertAllObjects()
+    {
         Vector4 bound = m_Quadtree.bound;
         for (int i = 0; i < m_Objects.Count; i++)
         {
             IQuadTreeObject obj = m_Objects[i];
             // 简单的忽略中心在边界外的object
-            if(PhysicsManager.IsPointInsideBox(bound, obj.bound.xy()))
+            if (PhysicsManager.IsPointInsideBox(bound, obj.bound.xy()))
             {
                 m_Quadtree.Insert(obj);
             }