navigator.h

#pragma once
 
#include <cgv/gui/event_handler.h>
#include <cgv/gui/provider.h>
#include <cgv/render/drawable.h>
#include <cgv/render/managed_frame_buffer.h>
#include <cgv_gl/rectangle_renderer.h>
#include <cgv_gl/arrow_render_data.h>
#include <cgv_gl/box_render_data.h>
#include <cgv_gl/box_wire_render_data.h>
#include <cgv_gl/rectangle_render_data.h>
#include <cgv_gl/sphere_render_data.h>
#include <cgv_g2d/canvas.h>
#include <cgv_g2d/shape2d_styles.h>
#include <cgv_overlay/overlay.h>
 
#include "lib_begin.h"
 
namespace cgv {
namespace overlay {
 
class CGV_API navigator : public overlay {
protected:
    cgv::render::view* view_ptr;
    vec3 navigator_eye_pos;
 
    double check_for_click;
 
    cgv::render::managed_frame_buffer fbc;
 
    cgv::g2d::canvas blit_canvas;
    cgv::g2d::shape2d_style blit_style;
 
    int layout_size;
    bool show_box;
    bool show_wireframe;
    bool use_perspective;
    int hit_axis;
 
    cgv::render::arrow_render_data<> arrow_data;
    
    cgv::render::box_renderer box_renderer;
    cgv::render::box_render_data<> box_data;
 
    cgv::render::box_wire_render_data<> box_wire_data;
    cgv::render::rectangle_render_data<> rectangle_data;
    cgv::render::sphere_render_data<> sphere_data;
 
    mat4 get_model_matrix(cgv::render::context& ctx);
    mat4 get_view_matrix(cgv::render::context& ctx);
    mat4 get_projection_matrix();
    bool intersect_box(const vec3 &origin, const vec3& direction, float& t) const;
 
    virtual void create_gui_impl();
 
public:
    navigator();
    std::string get_type_name() const { return "navigator"; }
 
    void clear(cgv::render::context& ctx);
 
    bool self_reflect(cgv::reflect::reflection_handler& _rh);
    void stream_help(std::ostream& os) {}
 
    bool handle_mouse_event(cgv::gui::mouse_event& e, cgv::ivec2 local_mouse_pos);
    void on_set(void* member_ptr);
 
    bool init(cgv::render::context& ctx);
    void init_frame(cgv::render::context& ctx);
    void finish_draw(cgv::render::context& ctx);
 
    void set_size(int size);
};
 
typedef cgv::data::ref_ptr<navigator> navigator_ptr;
 
} // namespace overlay
} // namespace cgv
 
#include <cgv/config/lib_end.h>