--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/octree.h	Wed Dec 12 19:59:19 2007 +0100
@@ -0,0 +1,53 @@
+/*
+ * Pyrit Ray Tracer
+ * file: octree.h
+ *
+ * Radek Brich, 2006-2007
+ */
+
+#ifndef OCTREE_H
+#define OCTREE_H
+
+#include "container.h"
+#include "vector.h"
+#include "scene.h"
+
+using namespace std;
+
+class OctreeNode
+{
+	OctreeNode *children; // pointer to first of eight children
+public:
+	ShapeList *shapes;    // pointer to shape array, if this is leaf
+
+	OctreeNode() : children(NULL) { shapes = new ShapeList(); };
+	~OctreeNode();
+
+	bool isLeaf() { return shapes != NULL; };
+
+	OctreeNode *getChild(const int num) { return children+num; };
+
+	void addShape(Shape* aShape) { shapes->push_back(aShape); };
+
+	void subdivide(BBox bbox, int maxdepth);
+};
+
+class Octree: public Container
+{
+	OctreeNode *root;
+	bool built;
+	int max_depth;
+public:
+	Octree() : Container(), root(NULL), built(false), max_depth(4) {};
+	~Octree() { if (root) delete root; };
+	void addShape(Shape* aShape) { Container::addShape(aShape); built = false; };
+	Shape *nearest_intersection(const Shape *origin_shape, const Ray &ray,
+		Float &nearest_distance);
+	void optimize() { build(); };
+	void build();
+	void save(ostream &str, OctreeNode *node = NULL) {};
+	void load(istream &str, OctreeNode *node = NULL) {};
+	void setMaxDepth(int md) { max_depth = md; };
+};
+
+#endif