diff --git a/engine/inc/renderer/3d/bbox/bbox.hpp b/engine/inc/renderer/3d/bbox/bbox.hpp
index 06feaeb..57777d1 100644
--- a/engine/inc/renderer/3d/bbox/bbox.hpp
+++ b/engine/inc/renderer/3d/bbox/bbox.hpp
@@ -42,20 +42,19 @@ class BBox : public CoreBBox {
   const BBoxFace& getBottomFace() { return _bottomFace; }
 
   /** @returns the lower (x, y, z) boundary of the box. */
-  const Vec4 min();
+  Vec4 min();
   /** @returns the upper (x, y, z) boundary of the box. */
-  const Vec4 max();
+  Vec4 max();
   /**
-   * @returns void;
    * @param res_min Vec4 to store the min result
    * @param res_max Vec4 to store the min result
    * @brief Calc and stores the min and max points of box at a single loop
    * */
-  void calcMinMax(Vec4& res_min, Vec4& res_max);
+  void getMinMax(Vec4* res_min, Vec4* res_max);
 
  protected:
   float _height, _depth, _width;
-  Vec4 _centerVector, _min;
+  Vec4 _centerVector;
   /** Front face (further on z-axis) */
   BBoxFace _frontFace;
   /** Back face (nearer on z-axis) */
diff --git a/engine/src/renderer/3d/bbox/bbox.cpp b/engine/src/renderer/3d/bbox/bbox.cpp
index 07a0219..db8b4ad 100644
--- a/engine/src/renderer/3d/bbox/bbox.cpp
+++ b/engine/src/renderer/3d/bbox/bbox.cpp
@@ -50,7 +50,7 @@ void BBox::setData() {
   _bottomFace = BBoxFace(_vertices[0], _vertices[5], _vertices[0].y);
 }
 
-const Vec4 BBox::min() {
+Vec4 BBox::min() {
   Vec4 temp, _min;
   u8 isInitialized = 0;
 
@@ -70,7 +70,7 @@ const Vec4 BBox::min() {
   return _min;
 }
 
-const Vec4 BBox::max() {
+Vec4 BBox::max() {
   Vec4 temp, _max;
   u8 isInitialized = 0;
 
@@ -90,7 +90,7 @@ const Vec4 BBox::max() {
   return _max;
 }
 
-void BBox::calcMinMax(Vec4& res_min, Vec4& res_max) {
+void BBox::getMinMax(Vec4* res_min, Vec4* res_max) {
   Vec4 temp = Vec4();
 
   u8 isInitialized = 0;
@@ -99,18 +99,18 @@ void BBox::calcMinMax(Vec4& res_min, Vec4& res_max) {
     temp.set(vertices[i].x, vertices[i].y, vertices[i].z, 1.0F);
     if (isInitialized == 0) {
       isInitialized = 1;
-      res_min.set(temp);
-      res_max.set(temp);
+      res_min->set(temp);
+      res_max->set(temp);
     }
 
-    if (res_min.x > temp.x) res_min.x = temp.x;
-    if (temp.x > res_max.x) res_max.x = temp.x;
+    if (res_min->x > temp.x) res_min->x = temp.x;
+    if (temp.x > res_max->x) res_max->x = temp.x;
 
-    if (res_min.y > temp.y) res_min.y = temp.y;
-    if (temp.y > res_max.y) res_max.y = temp.y;
+    if (res_min->y > temp.y) res_min->y = temp.y;
+    if (temp.y > res_max->y) res_max->y = temp.y;
 
-    if (res_min.z > temp.z) res_min.z = temp.z;
-    if (temp.z > res_max.z) res_max.z = temp.z;
+    if (res_min->z > temp.z) res_min->z = temp.z;
+    if (temp.z > res_max->z) res_max->z = temp.z;
   }
 }