SpherifyMesh.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 "TransformMesh.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    template<typename Mesh> class SpherifyMesh {
    private:
        using Impl = TransformMesh<Mesh>;
        Impl mTransformMesh;
 
    public:
        SpherifyMesh(Mesh mesh, double radius, double factor)
                : mTransformMesh{std::move(mesh), [radius, factor](MeshVertex& value) {
                                     value.position = mix(value.position, radius * normalize(value.position), factor);
                                     value.normal = normalize(mix(value.normal, normalize(value.position), factor));
                                 }} {}
 
        using Triangles = typename Impl::Triangles;
 
        [[nodiscard]] Triangles triangles() const noexcept { return mTransformMesh.triangles(); }
 
        using Vertices = typename Impl::Vertices;
 
        [[nodiscard]] Vertices vertices() const noexcept { return mTransformMesh.vertices(); }
    };
 
    template<typename Mesh> SpherifyMesh<Mesh> spherifyMesh(Mesh mesh, double radius, double factor) {
        return SpherifyMesh<Mesh>{std::move(mesh), radius, factor};
    }
 
} // namespace CeresEngine::MeshGenerator