Ray.hpp

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// This code is based on Jet framework.
// Copyright (c) 2018 Doyub Kim
// CubbyFlow is voxel-based fluid simulation engine for computer games.
// Copyright (c) 2020 CubbyFlow Team
// Core Part: Chris Ohk, Junwoo Hwang, Jihong Sin, Seungwoo Yoo
// AI Part: Dongheon Cho, Minseo Kim
// We are making my contributions/submissions to this project solely in our
// personal capacity and are not conveying any rights to any intellectual
// property of any third parties.

#ifndef CUBBYFLOW_RAY_HPP
#define CUBBYFLOW_RAY_HPP

#include <Core/Matrix/Matrix.hpp>

namespace CubbyFlow
{
template <typename T, size_t N>
class Ray final
{
 public:
    static_assert(N > 0, "Dimension should be greater than 0");
    static_assert(std::is_floating_point<T>::value,
                  "Ray only can be instantiated with floating point types");

    using VectorType = Vector<T, N>;

    VectorType origin;

    VectorType direction;

    Ray();

    Ray(const VectorType& newOrigin, const VectorType& newDirection);

    ~Ray() = default;

    Ray(const Ray& other);

    Ray(Ray&& other) noexcept;

    Ray& operator=(const Ray& other);

    Ray& operator=(Ray&& other) noexcept;

    [[nodiscard]] VectorType PointAt(T t) const;
};

template <typename T>
using Ray2 = Ray<T, 2>;

template <typename T>
using Ray3 = Ray<T, 3>;

using Ray2F = Ray2<float>;

using Ray2D = Ray2<double>;

using Ray3F = Ray3<float>;

using Ray3D = Ray3<double>;
}  // namespace CubbyFlow

#include <Core/Geometry/Ray-Impl.hpp>

#endif