Revert "fix: optimization: Various PVS-Studio warnings"

src/maths/FrustumCulling.hpp

@@ -5,7 +5,7 @@
 
 class Frustum {
 public:
-    Frustum() = default;
+    Frustum() {};
 
     void update(glm::mat4 projview);
     bool isBoxVisible(const glm::vec3& minp, const glm::vec3& maxp) const;

src/maths/aabb.hpp

@@ -70,7 +70,7 @@ struct AABB {
         b = end;
     }
 
-    inline void addPoint(const glm::vec3& p) {
+    inline void addPoint(glm::vec3 p) {
         a = glm::min(a, p);
         b = glm::max(b, p);
     }

src/maths/rays.hpp

@@ -21,7 +21,7 @@ class AABBFaces {
 public:
     std::array<std::pair<rayvec3, rayvec2>, AABBFACES_COUNT> faces; // every face is min-point and opposite corner point
 
-    AABBFaces() = default;
+    AABBFaces(){};
     AABBFaces(const rayvec3& parentBoxPos, const AABB& parentBox);
 };