Implement more methods

include/J3ML/Geometry/OBB.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <J3ML/Geometry.h>
 #include <J3ML/Geometry/AABB.h>
 #include <J3ML/Geometry/LineSegment.h>
 #include <J3ML/Geometry/Polyhedron.h>

include/J3ML/Geometry/QuadTree.h

@@ -6,10 +6,21 @@
 #include "AABB2D.h"
 
 namespace Geometry {
+
+
     using LinearAlgebra::Vector2;
 
     template<typename T>
     class QuadTree {
+        /// A fixed split rule for all QuadTrees: A QuadTree leaf node is only ever split if the leaf contains at least this many objects.
+        /// Leaves containing fewer than this many objects are always kept as leaves until the object count is exceeded.
+        constexpr static const int minQuadTreeNodeObjectCount = 16;
+
+        /// A fixed split limit rule for all QuadTrees: If the QuadTree node side length is smaller than this, the node will
+        /// never be split again into smaller subnodes. This provides a hard limit safety net for infinite/extra long recursion
+        /// in case multiple identical overlapping objects are placed into the tree.
+        constexpr static const float minQuadTreeQuadrantSize = 0.05f;
+
     public:
         struct Node {
             Node *parent;

include/J3ML/Geometry/Ray.h

@@ -8,6 +8,7 @@
 
 namespace Geometry
 {
+    using LinearAlgebra::Vector3;
     class Ray
     {
         Vector3 Origin;