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