mpri-graphics-project/Mesh.hpp

45 lines
1.2 KiB
C++

/**
* Defines a mesh, ready to be OpenGL-rendered
**/
#pragma once
#include <vector>
#include <unordered_map>
#include <cstddef> // size_t
#include "common_structures.hpp"
class Mesh {
public:
Mesh();
/// Adds a fresh vertice at `pt`, and returns its ID for further use
size_t add_vertice(const Point& pt);
/// Creates a new face out of the three given point IDs
void add_face(const Face& face);
void add_face(size_t f1, size_t f2, size_t f3);
/// Center manipulation
const Point& get_center() const;
void set_center(const Point& pt);
void translate(const Point& tr); ///< Translate by the vector `tr`
/** Translates the vertices to make (0, 0, 0) the mesh's barycenter.
* If `keep_position == true`, this also sets the center to the
* previous barycenter.
*/
void normalize_center(bool keep_position=false);
/// Gets the various vertices
const std::vector<Point>& get_vertices() const;
/// Gets the various faces
const std::vector<Face>& get_faces() const;
private:
std::vector<Point> vertices;
std::vector<Face> faces;
Point center;
};