* raycast

1 files changed, 10 insertions, 2 deletions

diff --git a/marching/Assets/Scripts/Physics/Quadtree.cs b/marching/Assets/Scripts/Physics/Quadtree.cs
index 9f8ecba..a012d26 100644
--- a/marching/Assets/Scripts/Physics/Quadtree.cs
+++ b/marching/Assets/Scripts/Physics/Quadtree.cs
@@ -29,7 +29,7 @@ namespace mh
         private int m_Level;
         private Vector4 m_Bounds; // x,y,z,w => posx,posy,width,height 
         private Quadtree[] m_SubTrees; // 从右上角开始逆时针索引
-        private List<IQuadTreeObject> m_Objects; // 当前层能容纳，但任何一个子树都无法容纳的对象
+        private List<IQuadTreeObject> m_Objects; // 非叶节点的为0 
         private bool m_IsRoot;
 
         public Vector4 bound { get { return m_Bounds; } }
@@ -47,7 +47,6 @@ namespace mh
         public bool isRoot { get { return m_IsRoot; } }
 
         private static Queue<List<IQuadTreeObject>> m_QuadtreeObjPool = new Queue<List<IQuadTreeObject>>();
-
         private static Queue<Quadtree> m_QuadtreePool = new Queue<Quadtree>();
 
         private Quadtree QueryQuadtree(int level, Vector4 bounds)
@@ -97,8 +96,17 @@ namespace mh
             m_IsRoot = isRoot;  
         }
 
+        /// <summary>
+        /// 更改边界，只适用于最外层的tree
+        /// </summary>
+        /// <param name="bounds"></param>
         public void Rebound(Vector4 bounds)
         {
+            if(!m_IsRoot)
+            {
+                Debug.LogError("Quadtree.Rebound()只能运用于最外层");
+                return;
+            }
             m_Bounds = bounds;
         }