triangle.h

// SPDX-License-Identifier: GPL-3.0-or-later
// Copyright (c) 2024 Team Dissolve and contributors
 
#pragma once
 
#include "vector3.h"
 
class Edge
{
    public:
    Vec3<float> start;
    Vec3<float> end;
    Edge combine(const Edge &other) const;
};
 
class Triangle
{
    public:
    Triangle(Vec3<float> i = 0.0f, Vec3<float> j = 0.0f, Vec3<float> k = 0.0f);
    Vec3<float> a, b, c;
    float *writeByteArray(float *p);
    Edge bounds() const;
    Triangle flip() const;
    Triangle operator+(const Vec3<float> &offset) const;
    Triangle operator-(const Vec3<float> &offset) const;
};
 
class Quad
{
    public:
    Quad(Vec3<float> i = 0.0f, Vec3<float> j = 0.0f, Vec3<float> k = 0.0f, Vec3<float> l = 0.0f);
    Vec3<float> a, b, c, d;
    float *writeByteArray(float *p);
    Edge bounds() const;
    Quad flip() const;
    Quad operator+(const Vec3<float> &offset) const;
    Quad operator-(const Vec3<float> &offset) const;
    std::pair<Triangle, Triangle> asTriangles() const;
};