1 files changed, 7 insertions, 0 deletions
diff --git a/BSPTree.h b/BSPTree.h
index 50f18df..c005507 100644
--- a/BSPTree.h
+++ b/BSPTree.h
@@ -69,6 +69,11 @@ class BSPTree {
 
   public:
     BSPTree(const std::list<Triangle> &triangles);
+
+    BSPTree(const BSPTree &tree) : frontTree(0), backTree(0) {
+      *this = tree;
+    }
+
     virtual ~BSPTree() {
       if(frontTree)
         delete frontTree;
@@ -77,6 +82,8 @@ class BSPTree {
         delete backTree;
     }
 
+    BSPTree& operator=(const BSPTree &tree);
+
     template<typename T>
     void visit(const T& visitor, const vmml::vec3f &p) {
       doVisit<const T>(visitor, p);