AxisSwapShape.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 "TransformShape.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    template<typename Shape> class AxisSwapShape {
    private:
        using Impl = TransformShape<Shape>;
        Impl mTransformShape;
 
    public:
        AxisSwapShape(Shape shape)
                : mTransformShape{std::move(shape), [](ShapeVertex& vertex) {
                                      std::swap(vertex.position[0u], vertex.position[1u]);
                                      std::swap(vertex.tangent[0u], vertex.tangent[1u]);
                                  }} {}
 
        using Edges = typename Impl::Edges;
        [[nodiscard]] Edges edges() const noexcept { return mTransformShape.edges(); }
 
        using Vertices = typename Impl::Vertices;
        [[nodiscard]] Vertices vertices() const noexcept { return mTransformShape.vertices(); }
    };
 
    template<typename Shape> AxisSwapShape<Shape> axisSwapShape(Shape shape) { return AxisSwapShape<Shape>{std::move(shape)}; }
 
} // namespace CeresEngine::MeshGenerator