28 	// read header

    28 	// read header

    29 	int vertex_num, face_num;

    29 	int vertex_num, face_num;

    30 	while (token != "end_header")

    30 	while (token != "end_header")

    31 	{

    31 	{

    32 		f >> token;

    32 		f >> token;

    34 		if (token == "element")

    33 		if (token == "element")

    35 		{

    34 		{

    36 			f >> token;

    35 			f >> token;

    37 			if (token == "vertex")

    36 			if (token == "vertex")

    38 				f >> vertex_num;

    37 				f >> vertex_num;

   144 

   143 

   145 	/* initialize raytracer and prepare scene */

   144 	/* initialize raytracer and prepare scene */

   146 	render_buffer = (Float *) malloc(w*h*3*sizeof(Float));

   145 	render_buffer = (Float *) malloc(w*h*3*sizeof(Float));

   147 

   146 

   148 	rt.setThreads(2);

   147 	rt.setThreads(2);

   150 

   149 

   151 	Octree top;

   150 	Octree top;

   152 	rt.setTop(&top);

   151 	rt.setTop(&top);

   153 

   152 

   154 	Light light1(Vector3(-5.0, 2.0, 8.0), Colour(0.9, 0.3, 0.6));

   153 	Light light1(Vector3(-5.0, 2.0, 8.0), Colour(0.9, 0.3, 0.6));

   158 	//Light light2(Vector3(-2.0, 10.0, 2.0), Colour(0.4, 0.6, 0.3));

   157 	//Light light2(Vector3(-2.0, 10.0, 2.0), Colour(0.4, 0.6, 0.3));

   159 	//light2.castShadows(false);

   158 	//light2.castShadows(false);

   160 	//rt.addlight(&light2);

   159 	//rt.addlight(&light2);

   161 

   160 

   162 	Material mat(Colour(0.9, 0.9, 0.9));

   161 	Material mat(Colour(0.9, 0.9, 0.9));

   164 

   163 

   165 	rt.setCamera(&cam);

   164 	rt.setCamera(&cam);

   166 	cam.setEye(Vector3(0,0,10));

   165 	cam.setEye(Vector3(0,0,10));

   167 

   166 

   168 	/* build kd-tree */

   167 	/* build kd-tree */

   170 	top.optimize();

   169 	top.optimize();

   171 

   170 

   172 	/* loop... */

   171 	/* loop... */

   173 	SDL_Event event;

   172 	SDL_Event event;

   174 	bool quit = false;

   173 	bool quit = false;