RotatePath.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 RotatePath {
    private:
        using Impl = TransformPath<Path>;
        Impl mTransformPath;
 
    public:
        RotatePath(Path path, const Quaternion& rotation)
                : mTransformPath{std::move(path), [rotation](PathVertex& value) {
                                     value.position = Math::transform(rotation, value.position);
                                     value.normal = Math::transform(rotation, value.normal);
                                 }} {}
 
        RotatePath(Path path, const double angle, const Vector3& axis) : RotatePath{std::move(path), qrotate(angle, axis)} {}
 
        RotatePath(Path path, const double angle, const Axis axis)
                : RotatePath{std::move(path),
                      qrotate(angle, axis == Axis::X ? Vector3{1.0, 0.0, 0.0} : (axis == Axis::Y ? Vector3{0.0, 1.0, 0.0} : Vector3{0.0, 0.0, 1.0}))} {}
 
        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> RotatePath<Path> rotatePath(Path path, const Quaternion& rotation) { return RotatePath<Path>{std::move(path), rotation}; }
 
    template<typename Path> RotatePath<Path> rotatePath(Path path, double angle, const Vector3& axis) { return RotatePath<Path>{std::move(path), angle, axis}; }
 
    template<typename Path> RotatePath<Path> rotatePath(Path path, double angle, Axis axis) { return RotatePath<Path>{std::move(path), angle, axis}; }
 
} // namespace CeresEngine::MeshGenerator