split geometry lib

[blank.git] / src / model / geometry.hpp

diff --git a/src/model/geometry.hpp b/src/model/geometry.hpp
deleted file mode 100644 (file)
index 5065124..0000000
--- a/src/model/geometry.hpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#ifndef BLANK_MODEL_GEOMETRY_H_
-#define BLANK_MODEL_GEOMETRY_H_
-
-#include <algorithm>
-#include <limits>
-#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;
-
-constexpr float PI_inv = 1.0f / PI;
-constexpr float PI_0p5_inv = 1.0f / PI_0p5;
-
-constexpr float DEG_RAD_FACTOR = PI / 180.0f;
-constexpr float RAD_DEG_FACTOR = 180.0f / PI;
-
-constexpr float deg2rad(float d) noexcept {
-       return d * DEG_RAD_FACTOR;
-}
-
-constexpr float rad2deg(float r) noexcept {
-       return r * RAD_DEG_FACTOR;
-}
-
-
-inline float length_squared(const glm::vec3 &v) noexcept {
-       return dot(v, v);
-}
-
-inline float distance_squared(const glm::vec3 &a, const glm::vec3 &b) noexcept {
-       return length_squared(a - b);
-}
-
-
-template <class T>
-inline bool iszero(const T &v) noexcept {
-       return length_squared(v) < std::numeric_limits<typename T::value_type>::epsilon();
-}
-
-
-template<class T>
-T manhattan_distance(const glm::tvec3<T> &a, const glm::tvec3<T> &b) noexcept {
-       glm::tvec3<T> diff(abs(a - b));
-       return diff.x + diff.y + diff.z;
-}
-
-template<class T>
-T manhattan_radius(const glm::tvec3<T> &v) noexcept {
-       glm::tvec3<T> a(abs(v));
-       return std::max(a.x, std::max(a.y, a.z));
-}
-
-
-glm::mat3 find_rotation(const glm::vec3 &a, const glm::vec3 &b) noexcept;
-
-
-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);
-       }
-
-       glm::vec3 Center() const noexcept {
-               return min + (max - min) * 0.5f;
-       }
-};
-
-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 Intersection(
-       const AABB &a_box,
-       const glm::mat4 &a_m,
-       const AABB &b_box,
-       const glm::mat4 &b_m,
-       float &depth,
-       glm::vec3 &normal) noexcept;
-
-bool CullTest(const AABB &box, const glm::mat4 &MVP) noexcept;
-
-}
-
-#endif