Triangle.hpp

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//
// Created by matt on 22/11/2019.
//
#include <vector>
#include <Eigen/Dense>
#include "IMesh.hpp"
 
#pragma once
class Triangle {
public:
    struct circumcircle {
        double x;
        double y;
        double radius;
    };
private:
    int index; 
    circumcircle cc; 
    IMesh *owner; 
    std::vector<double> attributes; 
    std::vector<IMesh::vertInd> vertices; 
    std::vector<IMesh::edge> edges; 
public:
    // Constructors
    Triangle() : index(-1), owner(), cc() {}
    Triangle(int index, IMesh *owner) : index(index), owner(owner), cc() {};
    ~Triangle() {};
    // Functionality
    void calcCircumcircle();
    bool circumcircleContainsPoint(const Eigen::Vector2d &p) const;
    Eigen::Vector3d barycentric(const Eigen::Vector2d &p) const;
    bool containsPoint(const Eigen::Vector2d &p) const;
    double area() const;
    // Getters & Setters
    int getIndex() const;
    void setIndex(int i);
    const std::vector<int> &getVertices() const;
    void setVertices(const std::vector<int> &vertices);
    const std::vector<double> &getAttributes() const;
    void setAttributes(const std::vector<double> &attributes);
    const circumcircle &getCc() const;
    void setCc(const circumcircle &cc);
    const std::vector<IMesh::edge> &getEdges() const;
    void setEdges(const std::vector<IMesh::edge> &edges);
    IMesh *getOwner() const;
    // Comparison Operators
    bool operator==(const Triangle &rhs) const;
    bool operator!=(const Triangle &rhs) const;
 
    // Stream operators
    friend std::istream &operator>>(std::istream &is, Triangle &triangle);
    friend std::ostream &operator<<(std::ostream &os, Triangle &triangle);
    friend std::ofstream &operator<<(std::ofstream &ofs, Triangle &triangle);
};