-#ifndef BLANK_GEOMETRY_H_
-#define BLANK_GEOMETRY_H_
-
-#include <algorithm>
-#include <glm/glm.hpp>
-
-
-namespace blank {
-
-constexpr float PI = 3.141592653589793238462643383279502884;
-constexpr float PI_0p25 = PI * 0.25f;
-constexpr float PI_0p5 = PI * 0.5f;
-constexpr float PI_1p5 = PI * 1.5f;
-constexpr float PI_2p0 = PI * 2.0f;
-
-struct AABB {
- glm::vec3 min;
- glm::vec3 max;
-
- void Adjust() noexcept {
- if (max.x < min.x) std::swap(max.x, min.x);
- if (max.y < min.y) std::swap(max.y, min.y);
- if (max.z < min.z) std::swap(max.z, min.z);
- }
-};
-
-struct Ray {
- glm::vec3 orig;
- glm::vec3 dir;
-};
-
-bool Intersection(
- const Ray &,
- const AABB &,
- const glm::mat4 &M,
- float *dist = nullptr,
- glm::vec3 *normal = nullptr) noexcept;
-
-bool CullTest(const AABB &box, const glm::mat4 &MVP) noexcept;
-
-}
-
-#endif