AxisSwapPath.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 "Axis.hpp"
#include "TransformPath.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    template<typename Path> class AxisSwapPath {
    private:
        using Impl = TransformPath<Path>;
        Impl mTransformPath;
 
    public:
        AxisSwapPath(Path path, Axis x, Axis y, Axis z)
                : mTransformPath{std::move(path),
                      [x, y, z](PathVertex& vertex) {
                          vertex.position = Vector3{vertex.position[static_cast<int>(x)], vertex.position[static_cast<int>(y)],
                              vertex.position[static_cast<int>(z)]};
                          vertex.tangent = Vector3{vertex.tangent[static_cast<int>(x)], vertex.tangent[static_cast<int>(y)], vertex.tangent[static_cast<int>(z)]};
                          vertex.normal = Vector3{vertex.normal[static_cast<int>(x)], vertex.normal[static_cast<int>(y)], vertex.normal[static_cast<int>(z)]};
                      }} {}
 
        using Edges = typename Impl::Edges;
        [[nodiscard]] Edges edges() const noexcept { return mTransformPath.edges(); }
 
        using Vertices = typename Impl::Vertices;
        [[nodiscard]] Vertices vertices() const noexcept { return mTransformPath.vertices(); }
    };
 
    template<typename Path> AxisSwapPath<Path> axisSwapPath(Path path, Axis x, Axis y, Axis z) { return AxisSwapPath<Path>{std::move(path), x, y, z}; }
 
} // namespace CeresEngine::MeshGenerator