diff --git a/build/bin/imgui.ini b/build/bin/imgui.ini
index fb66849..e4db645 100644
--- a/build/bin/imgui.ini
+++ b/build/bin/imgui.ini
@@ -24,8 +24,8 @@ Pos=68,96
 Size=740,472
 
 [Window][Set data position]
-Pos=0,732
-Size=924,30
+Pos=0,670
+Size=800,30
 
 [Window][Dear ImGui Demo/ResizableChild_478B81A3]
 IsChild=1
@@ -40,10 +40,10 @@ Pos=60,60
 Size=353,1005
 
 [Window][Set visualization plane]
-Pos=524,0
+Pos=400,0
 Size=400,30
 
 [Window][Set time multiplier]
-Pos=524,702
+Pos=400,640
 Size=400,30
 
diff --git a/build/bin/mainV10 b/build/bin/mainV10
new file mode 100755
index 0000000..d8233ee
Binary files /dev/null and b/build/bin/mainV10 differ
diff --git a/src/collections/headers/collection_interface.hpp b/src/collections/headers/collection_interface.hpp
index 3d9226f..237fe80 100644
--- a/src/collections/headers/collection_interface.hpp
+++ b/src/collections/headers/collection_interface.hpp
@@ -17,11 +17,17 @@ class CollectionInterface{
     public:
         virtual collection create(ReferencePlane plane) = 0;
         virtual void update(sf::Clock cl, float multiplier) = 0;
-        virtual bool setTransparency(float alpha) = 0; 
+        virtual bool setTransparency(float alpha) {
+            if (alpha < 0 || alpha > 1) return false;
+            transparency = alpha;
+            return true;
+        }; 
         float getTransparency() {
             return transparency;
         }
-        virtual bool setVisibility(bool c);
+        virtual void setVisibility(bool c) {
+            isVisible = c;
+        }
         virtual ~CollectionInterface(){};
 };
 
diff --git a/src/collections/headers/gamba.hpp b/src/collections/headers/gamba.hpp
index 2905913..0900fc4 100644
--- a/src/collections/headers/gamba.hpp
+++ b/src/collections/headers/gamba.hpp
@@ -14,7 +14,6 @@ class Gamba : public CollectionInterface {
         collection create(ReferencePlane plane) override;
         PieceInterface* getJointPiece();
         void setDirection(Direction dir);
-        bool setTransparency(float alpha) override;
         void update(sf::Clock cl, float multiplier)override {};
         float getZ_Acc();
 };
diff --git a/src/collections/headers/lower_body.hpp b/src/collections/headers/lower_body.hpp
index 5fa7a1c..a9aab9a 100644
--- a/src/collections/headers/lower_body.hpp
+++ b/src/collections/headers/lower_body.hpp
@@ -34,8 +34,6 @@ public:
     Lower_Body(rb::Vector3 pos, std::vector<gamba_data> data);
     ~Lower_Body();
     void update(sf::Clock cl, float multiplier) override;
-    bool setVisibility(bool c) override;
-    bool setTransparency(float alpha) override;
     collection create(ReferencePlane plane) override;
 };
 
diff --git a/src/collections/methods/gamba.cpp b/src/collections/methods/gamba.cpp
index c5cce6b..a7168d8 100644
--- a/src/collections/methods/gamba.cpp
+++ b/src/collections/methods/gamba.cpp
@@ -32,9 +32,11 @@ Gamba::Gamba(rb::Vector3 pos, unsigned int* dataPos, std::string cosciaData, std
 collection Gamba::create(ReferencePlane plane){
     collection coll;
     for(auto e : pezzi){
+        e->setTransparency(transparency);
         coll.pieces.push_back(e);
     }
     for(auto e : sensori){
+        e->setTransparency(transparency);
         coll.pieces.push_back(e);
     }
 
@@ -58,16 +60,6 @@ void Gamba::setDirection(Direction dir){
     }
 }
 
-bool Gamba::setTransparency(float alpha){
-    for (auto i : pezzi){
-        if (!i->setTransparency(alpha)) return false;
-    }
-    for (auto i : sensori){
-        if (!i->setTransparency(alpha)) return false;
-    }
-    return true;
-}
-
 float Gamba::getZ_Acc(){
     
     float totZ_Acc = 0;
diff --git a/src/collections/methods/lower_body.cpp b/src/collections/methods/lower_body.cpp
index 638a472..d2d1755 100644
--- a/src/collections/methods/lower_body.cpp
+++ b/src/collections/methods/lower_body.cpp
@@ -66,15 +66,6 @@ Lower_Body::~Lower_Body(){
     delete jsx;
 }
 
-bool Lower_Body::setVisibility(bool c){
-
-}
-
-bool Lower_Body::setTransparency(float alpha){
-    if (alpha < 0 || alpha > 1) return false;
-    transparency = alpha;
-    return true;
-}
 
 void Lower_Body::update(sf::Clock cl, float multiplier){
     float sxAcc = sx->getZ_Acc() ;