IntersectionTests.h

#pragma once
 
#include "Library.h"
 
#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
 
#include <optional>
 
namespace CesiumGeometry {
class Ray;
class Plane;
struct AxisAlignedBox;
class OrientedBoundingBox;
class BoundingSphere;
 
class CESIUMGEOMETRY_API IntersectionTests final {
public:
  static std::optional<glm::dvec3>
  rayPlane(const Ray& ray, const Plane& plane) noexcept;
 
  static std::optional<glm::dvec2>
  rayEllipsoid(const Ray& ray, const glm::dvec3& radii) noexcept;
 
  static bool pointInTriangle(
      const glm::dvec2& point,
      const glm::dvec2& triangleVertA,
      const glm::dvec2& triangleVertB,
      const glm::dvec2& triangleVertC) noexcept;
 
  static bool pointInTriangle(
      const glm::dvec3& point,
      const glm::dvec3& triangleVertA,
      const glm::dvec3& triangleVertB,
      const glm::dvec3& triangleVertC) noexcept;
 
  static bool pointInTriangle(
      const glm::dvec3& point,
      const glm::dvec3& triangleVertA,
      const glm::dvec3& triangleVertB,
      const glm::dvec3& triangleVertC,
      glm::dvec3& barycentricCoordinates) noexcept;
 
  static std::optional<glm::dvec3> rayTriangle(
      const Ray& ray,
      const glm::dvec3& p0,
      const glm::dvec3& p1,
      const glm::dvec3& p2,
      bool cullBackFaces = false);
 
  static std::optional<double> rayTriangleParametric(
      const Ray& ray,
      const glm::dvec3& p0,
      const glm::dvec3& p1,
      const glm::dvec3& p2,
      bool cullBackFaces = false);
 
  static std::optional<glm::dvec3>
  rayAABB(const Ray& ray, const AxisAlignedBox& aabb);
 
  static std::optional<double>
  rayAABBParametric(const Ray& ray, const AxisAlignedBox& aabb);
 
  static std::optional<glm::dvec3>
  rayOBB(const Ray& ray, const OrientedBoundingBox& obb);
 
  static std::optional<double>
  rayOBBParametric(const Ray& ray, const OrientedBoundingBox& obb);
 
  static std::optional<glm::dvec3>
  raySphere(const Ray& ray, const BoundingSphere& sphere);
 
  static std::optional<double>
  raySphereParametric(const Ray& ray, const BoundingSphere& sphere);
};
 
} // namespace CesiumGeometry