1 /*

     2  * C++ RayTracer

     3  * file: raytracer.h

     4  *

     5  * Radek Brich, 2006

     6  */

     7 

     8 #ifndef RAYTRACER_H

     9 #define RAYTRACER_H

    10 

    11 #include <vector>

    12 

    13 #include "common.h"

    14 #include "kdtree.h"

    15 #include "scene.h"

    16 

    17 using namespace std;

    18 

    19 class Raytracer;

    20 struct RenderrowData {

    21 	Raytracer *rt;

    22 	int w;

    23 	Vector3 eye, dfix, dx, dy;

    24 	float *iter;

    25 };

    26 

    27 class Raytracer

    28 {

    29 	Container *top;

    30 	Camera *camera;

    31 	vector<Light*> lights;

    32 	Colour bg_colour;

    33 	int ao_samples;

    34 	float ao_distance, ao_angle;

    35 	int num_threads;

    36 	int subsample;

    37 	int max_depth;

    38 

    39 	Vector3 SphereDistribute(int i, int n, float extent, Vector3 &normal);

    40 public:

    41 	Raytracer(): top(NULL), camera(NULL), lights(), bg_colour(0.0, 0.0, 0.0),

    42 		ao_samples(0), num_threads(4), subsample(8), max_depth(4) {};

    43 	void render(int w, int h, float *buffer);

    44 	Colour raytrace(Ray &ray, int depth, Shape *origin_shape);

    45 	void addshape(Shape *shape) { top->addShape(shape); };

    46 	void addlight(Light *light);

    47 	void setCamera(Camera *cam) { camera = cam; };

    48 	void setTop(Container *atop) { top = atop; };

    49 	Container *getTop() { return top; };

    50 	int getSubsample() { return subsample; };

    51 	void setMaxDepth(int newdepth) { max_depth = newdepth; };

    52 

    53 	void ambientocclusion(int samples, float distance, float angle);

    54 	void setThreads(int num) { num_threads = num; };

    55 };

    56 

    57 #endif