RoundedBoxMesh.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "AxisFlipMesh.hpp"
#include "BoxMesh.hpp"
#include "CylinderMesh.hpp"
#include "MergeMesh.hpp"
#include "MirrorMesh.hpp"
#include "PlaneMesh.hpp"
#include "RotateMesh.hpp"
#include "SphericalTriangleMesh.hpp"
#include "TranslateMesh.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    namespace detail {
 
        class BoxEdge {
        private:
            using Impl = TranslateMesh<CylinderMesh>;
            Impl mTranslateMesh;
 
        public:
            BoxEdge(const Vector2& position, double radius, double size, int slices, int segments);
 
            using Triangles = typename Impl::Triangles;
 
            [[nodiscard]] Triangles triangles() const noexcept { return mTranslateMesh.triangles(); }
 
            using Vertices = typename Impl::Vertices;
 
            [[nodiscard]] Vertices vertices() const noexcept { return mTranslateMesh.vertices(); }
        };
 
        class BoxEdges {
        private:
            using Impl = MirrorMesh<MirrorMesh<BoxEdge>>;
            Impl mMirrorMesh;
 
        public:
            BoxEdges(const Vector3& size, double radius, int slices, int segments);
 
            using Triangles = typename Impl::Triangles;
 
            [[nodiscard]] Triangles triangles() const noexcept { return mMirrorMesh.triangles(); }
 
            using Vertices = typename Impl::Vertices;
 
            [[nodiscard]] Vertices vertices() const noexcept { return mMirrorMesh.vertices(); }
        };
 
        class BoxCorner {
        private:
            using Impl = TranslateMesh<SphericalTriangleMesh>;
            Impl mTranslateMesh;
 
        public:
            BoxCorner(const Vector3& position, double radius, int slices);
 
            using Triangles = typename Impl::Triangles;
 
            [[nodiscard]] Triangles triangles() const noexcept { return mTranslateMesh.triangles(); }
 
            using Vertices = typename Impl::Vertices;
 
            [[nodiscard]] Vertices vertices() const noexcept { return mTranslateMesh.vertices(); }
        };
 
        class BoxCorners {
        private:
            using Impl = MirrorMesh<MirrorMesh<MirrorMesh<BoxCorner>>>;
            Impl mMirrorMesh;
 
        public:
            BoxCorners(const Vector3& size, double radius, int slices);
 
            using Triangles = typename Impl::Triangles;
 
            [[nodiscard]] Triangles triangles() const noexcept { return mMirrorMesh.triangles(); }
 
            using Vertices = typename Impl::Vertices;
 
            [[nodiscard]] Vertices vertices() const noexcept { return mMirrorMesh.vertices(); }
        };
 
    } // namespace detail
 
    class RoundedBoxMesh {
    private:
        using Impl = MergeMesh<AxisSwapMesh<detail::BoxFaces>, UvFlipMesh<AxisSwapMesh<detail::BoxFaces>>, detail::BoxFaces, AxisSwapMesh<detail::BoxEdges>,
            AxisSwapMesh<detail::BoxEdges>, detail::BoxEdges, detail::BoxCorners>;
        Impl mMergeMesh;
 
    public:
        RoundedBoxMesh(double radius = 0.25, const Vector3& size = {0.75, 0.75, 0.75}, int slices = 4, const Vector3i& segments = {8, 8, 8});
 
        using Triangles = typename Impl::Triangles;
 
        [[nodiscard]] Triangles triangles() const noexcept { return mMergeMesh.triangles(); }
 
        using Vertices = typename Impl::Vertices;
 
        [[nodiscard]] Vertices vertices() const noexcept { return mMergeMesh.vertices(); }
    };
 
} // namespace CeresEngine::MeshGenerator