83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/** The most basic renderer — a stupid glut application */
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#pragma once
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#include "../Mesh.hpp"
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#include "../Implicit.hpp"
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#include <set>
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#include <functional>
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class GlutRender {
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public:
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typedef std::function<void(unsigned char, int, int)> kb_handler_t;
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static GlutRender& get_instance();
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GlutRender(GlutRender const&) = delete;
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void operator=(GlutRender const&) = delete;
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void init(int* argc, char** argv,
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int wid, int hei, const char* win_name);
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void cleanup();
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void add_mesh(Mesh* mesh);
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void remove_mesh(Mesh* mesh);
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void add_surface(ImplicitSurface* surf, const Cuboid& box,
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double resolution=0.1);
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void remove_surface(ImplicitSurface* surf);
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void run();
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void set_idle_func(void (*func)(void));
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void add_kb_handler(kb_handler_t handler);
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void add_kb_up_handler(kb_handler_t handler);
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void follow_implicit_position(const ImplicitSurface* surf);
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void set_camera(const Point& location, const Point& sight);
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private:
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struct SurfaceDetails {
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SurfaceDetails(ImplicitSurface* surf, const Cuboid& box,
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double resolution):
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surface(surf), box(box), resolution(resolution) {}
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ImplicitSurface* surface;
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Cuboid box;
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double resolution;
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bool operator<(const SurfaceDetails& oth) const {
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return surface < oth.surface;
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}
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};
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private: //meth
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GlutRender();
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void display_mesh(Mesh& mesh) const;
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protected:
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void reshape(int wid, int hei);
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void display();
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void on_kb_evt(bool up, unsigned char key, int x, int y);
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static void reshape_handle(int wid, int hei);
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static void display_handle();
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static void kb_evt_handle(unsigned char key, int x, int y);
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static void kb_evt_up_handle(unsigned char key, int x, int y);
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private: //attr
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std::function<double()> rand_color;
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std::set<Mesh*> meshes;
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std::set<SurfaceDetails> surfaces;
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std::vector<kb_handler_t> kb_handlers;
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std::vector<kb_handler_t> kb_up_handlers;
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const ImplicitSurface* followed_implicit;
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Point camera_position, camera_sight;
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};
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