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/** CSci-4611 Assignment 3: Earthquake
*/
#ifndef QUAKEAPP_H_
#define QUAKEAPP_H_
#include <mingfx.h>
using namespace mingfx;
#include "earthquake_database.h"
#include "earth.h"
#include <string>
#include <vector>
/** Main application class for the Earthquake app.
*/
class QuakeApp : public GraphicsApp {
public:
QuakeApp();
virtual ~QuakeApp();
/// Dragging with the mouse tilts the earth when in globe mode
void OnLeftMouseDrag(const Point2 &pos, const Vector2 &delta);
/// Pressing the globe button toggles between flat earth and sphere earth modes
void OnGlobeBtnPressed();
/// Pressing the debug button toggles on/off the underlying triangle mesh and normals
void OnDebugBtnPressed();
/// The slides controls the speed of the playback for the earthquakes animation
void OnSliderUpdate(float value);
/// The animation gets updated inside this function.
void UpdateSimulation(double dt);
/// Initializes NanoGUI widgets
void InitNanoGUI();
/// The models and textures get initialized in this function.
void InitOpenGL();
/// The earth and earthquake spheres get drawn in this function.
void DrawUsingOpenGL();
private:
// controls playback
double current_time_;
double playback_scale_;
// true if drawing debugging info for the mesh
bool debug_mode_;
// true if the earth is in globe mode
bool globe_mode_;
// Database through which you can access the earthquakes
EarthquakeDatabase quake_db_;
// Object for rendering textured earth geometry
Earth earth_;
float rotation_angle_;
float old_rotation_angle_;
// Background image
Texture2D stars_tex_;
// Sets up the computer graphics camera
Matrix4 view_matrix_;
Matrix4 proj_matrix_;
// Gui elements
nanogui::Button *globe_btn_;
nanogui::Label *date_label_;
nanogui::TextBox *speed_box_;
// A list of paths to search for data files (images and shaders)
std::vector<std::string> search_path_;
// Used to draw a background texture, you can also use this to draw the
// earthquakes if you want.
QuickShapes quick_shapes_;
};
#endif
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