75 lines
1.5 KiB
C++
75 lines
1.5 KiB
C++
/* scene.h
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*
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* Definition of the Scene class.
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*
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* Scenes are the top level object in charles. Scenes contain objects, lights, a camera,
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* etc. and can be rendered to pixel data and written to a file.
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*
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* Eryn Wells <eryn@erynwells.me>
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*/
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#ifndef __SCENE_H__
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#define __SCENE_H__
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#include <list>
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#include <string>
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#include "basics.h"
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#include "camera.h"
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class AmbientLight;
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class PointLight;
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class Shape;
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class Writer;
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class Scene
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{
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public:
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Scene();
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~Scene();
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bool is_rendered() const;
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int get_width() const;
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void set_width(int w) { width = w; }
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int get_height() const;
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void set_height(int h) { height = h; }
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AmbientLight &get_ambient() const;
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const Color *get_pixels() const;
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void read(const std::string &filename);
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void write(Writer &writer, const std::string &filename);
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void render();
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void add_shape(Shape *obj);
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void add_light(PointLight *light);
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private:
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Color trace_ray(const Ray &ray, const int depth = 0, const float weight = 1.0);
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// Pixel dimensions of the image.
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int width, height;
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Camera *camera;
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/*
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* Ray tracing parameters. max_depth indicates the maximum depth of the ray tree. min_weight indicates the minimum
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* specular weight to apply before giving up.
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*/
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int max_depth;
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float min_weight;
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// Scene objects.
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AmbientLight *ambient;
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std::list<Shape *> shapes;
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std::list<PointLight *> lights;
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// Rendering stats
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unsigned int nrays;
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// Rendering output.
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bool _is_rendered;
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Color *pixels;
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};
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#endif
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