ParametricPath.hpp

Go to the documentation of this file.

//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Edge.hpp"
#include "PathVertex.hpp"
 
#include "CeresEngine/Foundation/Function.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    class ParametricPath {
    public:
        class Edges {
        public:
            [[nodiscard]] Edge generate() const;
            [[nodiscard]] bool done() const noexcept;
            void next();
 
        private:
            Edges(const ParametricPath& path);
 
            const ParametricPath* mPath;
 
            int i_;
 
            friend class ParametricPath;
        };
 
        class Vertices {
        public:
            PathVertex generate() const;
            [[nodiscard]] bool done() const noexcept;
            void next();
 
        private:
            Vertices(const ParametricPath& path);
 
            const ParametricPath* mPath;
 
            int i_;
 
            friend class ParametricPath;
        };
 
        explicit ParametricPath(Function<PathVertex(double) const> eval, int segments = 16) noexcept;
 
        [[nodiscard]] Edges edges() const noexcept;
 
        [[nodiscard]] Vertices vertices() const noexcept;
 
    private:
        Function<PathVertex(double) const> mEval;
 
        int mSegments;
 
        double mDelta;
    };
 
} // namespace CeresEngine::MeshGenerator