Relocated AABB and Ray in Collision.h to their own files. Started implementation on OctTree.

include/Engine/Core/OctTree.h

@@ -1,5 +1,34 @@
 #ifndef OctTree_h__
 #define OctTree_h__
 
+#include "Core/Collision.h"
+
+class OctTree
+{
+public:
+    struct Output
+    {
+        float CollideDistance;
+    }; 
+    OctTree();
+    ~OctTree();
+    //For the root OctTree, [octTreeBounds] should be a box containing the entire level.
+    OctTree(const AABB& octTreeBounds, int subDivisions);
+    void AddBox(const AABB& box);
+    void ClearBoxes();
+    //Returns true if the ray collides with something in the tree. Result is written to [data].
+    bool RayCollides(const Ray& ray, Output& data) const;
+
+private:
+    OctTree* m_Children[8];
+    std::vector<AABB> m_ContainingBoxes;
+    //TODO: Do derived class from AABB with a bool Tested, falsify at 
+    //start of Collision test, set on check, don't check if set already. Solves duplicate boxes in tree.
+    AABB m_Box;
+
+    bool rayCollides(const Ray& ray, Output& data, const OctTree* const tree) const;
+    inline bool hasChildren() const;
+    int childIndexContainingPoint(const glm::vec3& point) const;
+};
 
 #endif