figure.hpp

Go to the documentation of this file.

#pragma once
#include "le2d/drawable/draw_primitive.hpp"
#include "le2d/geometry.hpp"
#include "le2d/vertex_bounds.hpp"
 
namespace le::drawable {
class IFigure : public IDrawPrimitive {};
 
template <std::derived_from<IGeometry> Type>
class FigureBase : public Type, public IFigure {
  public:
    using Type::Type;
 
    [[nodiscard]] auto to_primitive() const -> Primitive final {
        return Primitive{
            .vertices = this->get_vertices(),
            .indices = this->get_indices(),
            .topology = this->get_topology(),
            .texture = texture,
        };
    }
 
    ITextureBase const* texture{};
};
 
template <std::derived_from<IGeometry> Type>
class Figure : public SingleDrawPrimitive<FigureBase<Type>> {
  public:
    [[nodiscard]] auto bounding_rect() const -> kvf::Rect<> { return vertex_bounds(this->to_primitive().vertices, this->transform.to_model()); }
};
 
template <std::derived_from<IGeometry> Type>
class InstancedFigure : public InstancedDrawPrimitive<FigureBase<Type>> {};
} // namespace le::drawable