ScaleShape.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 "TransformShape.hpp"
 
namespace CeresEngine::MeshGenerator {
 
    template<typename Shape> class ScaleShape {
    private:
        using Impl = TransformShape<Shape>;
        Impl mTransformShape;
 
    public:
        ScaleShape(Shape shape, const Vector2& scale)
                : mTransformShape{std::move(shape), [scale](ShapeVertex& value) {
                                      value.position *= scale;
                                      value.tangent = normalize(scale * value.tangent);
                                  }} {}
 
        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> ScaleShape<Shape> scaleShape(Shape shape, const Vector2& scale) { return ScaleShape<Shape>{std::move(shape), scale}; }
 
} // namespace CeresEngine::MeshGenerator