Fixed returning address to temporary in functions. AABB also constructible from glm::vec4s.

include/Engine/Core/AABB.h

@@ -9,6 +9,7 @@ public:
     AABB() = default;
     //No checks are made. Values in minPos must be less than values in maxPos, i.e. min.x < max.x, etc.
     AABB(const glm::vec3& minPos, const glm::vec3& maxPos);
+    AABB(const glm::vec4& minPos, const glm::vec4& maxPos);
     //No checks are made. Size must consist of non-negative numbers.
     virtual void CreateFromCenter(const glm::vec3& center, const glm::vec3& size);
     virtual ~AABB();
@@ -16,7 +17,7 @@ public:
     const glm::vec3& MinCorner() const { return m_MinCorner; }
     const glm::vec3& MaxCorner() const { return m_MaxCorner; }
     const glm::vec3& Center() const { return m_Center; }
-    const glm::vec3& Size() const { return 2.0f * m_HalfSize; }
+    const glm::vec3 Size() const { return 2.0f * m_HalfSize; }
     const glm::vec3& HalfSize() const { return m_HalfSize; }
 private:
     glm::vec3 m_MinCorner;