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#ifndef OPENGL_WIDGET_HH
#define OPENGL_WIDGET_HH
#include "opengl_mesh.hh"
#include <QOpenGLWidget>
#include <QMatrix4x4>
#include <QOpenGLExtraFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#define FOV 70
class Painter {
public:
virtual void draw(QOpenGLExtraFunctions *f) const = 0;
};
class OpenGLWidget : public QOpenGLWidget, public QOpenGLExtraFunctions {
Q_OBJECT
QMatrix4x4 rot, rot_start, proj;
GLfloat cam_dist = 1;
QPoint mouse_pos;
QOpenGLShaderProgram main_program;
QOpenGLShaderProgram skybox_program;
QOpenGLShaderProgram line_program;
GLuint skybox_tex;
GLuint skybox_vao;
GLuint skybox_vbo;
OpenGLMesh *ground;
void loadSkybox();
void loadGround();
const Painter *painter = nullptr;
protected:
virtual void mousePressEvent(QMouseEvent *e);
virtual void mouseReleaseEvent(QMouseEvent *e);
virtual void mouseMoveEvent(QMouseEvent *e);
virtual void wheelEvent(QWheelEvent *e);
public:
static OpenGLWidget *instance;
QVector<OpenGLMesh> meshes;
OpenGLWidget(QWidget *parent=nullptr);
~OpenGLWidget();
void initializeGL() override;
void resizeGL(int w, int h) override;
void paintGL() override;
void setPainter(const Painter *p);
QOpenGLShaderProgram *getMainProgram();
QOpenGLShaderProgram *getLineProgram();
bool project(const QVector3D &p, QPoint &point) const;
signals:
void initialized();
};
#endif
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