diff --git a/build/bin/mainV7.exe b/build/bin/mainV7.exe
new file mode 100644
index 0000000..751d00d
Binary files /dev/null and b/build/bin/mainV7.exe differ
diff --git a/src/pieces/headers/piece_interface.hpp b/src/pieces/headers/piece_interface.hpp
index 3513b83..8b22dc1 100644
--- a/src/pieces/headers/piece_interface.hpp
+++ b/src/pieces/headers/piece_interface.hpp
@@ -36,6 +36,7 @@ class PieceInterface{
         rb::Vector3 globalPos;
         rb::rigidbody body;
         sf::Color color;
+        float transparency = 1.0; //canale alpha del pezzo
 
         virtual void update(sf::Clock cl) = 0;
         virtual sf::Shape* draw(ReferencePlane plane) = 0;
@@ -43,6 +44,10 @@ class PieceInterface{
         virtual void setDirection(Direction dir){
             direction = dir;
         }
+        virtual bool setTransparency(float alpha){
+            if (alpha < 0 || alpha > 1) return false;
+            transparency = alpha; 
+        }
 };
 
 
diff --git a/src/pieces/methods/caviglia_class.cpp b/src/pieces/methods/caviglia_class.cpp
index b7cc4c8..7acf43c 100644
--- a/src/pieces/methods/caviglia_class.cpp
+++ b/src/pieces/methods/caviglia_class.cpp
@@ -26,12 +26,13 @@ sf::Shape* Caviglia::draw(ReferencePlane plane){
 
     switch (plane)
     {
-    case ReferencePlane::XZ:
+    case ReferencePlane::XZ : case ReferencePlane::XZN:
         {
         sf::Shape* shape = shapeXZ;
         shape->setRotation(sf::Angle(sf::radians(tmpRot[1])));
         shape->setPosition({tmpPos[0]+globalPos[0],tmpPos[2]+globalPos[2]});
         shape->setScale({1,cos(float(tmpRot[0]))});
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         return shape;}
         break;
     
@@ -41,6 +42,7 @@ sf::Shape* Caviglia::draw(ReferencePlane plane){
         shape->setRotation(sf::Angle(sf::radians(tmpRot[0])));
         shape->setPosition({tmpPos[1]+globalPos[1],tmpPos[2]+globalPos[2]});
         shape->setScale({1,cos(float(tmpRot[1]))});
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         return shape;}
         break;
     
diff --git a/src/pieces/methods/coscia_class.cpp b/src/pieces/methods/coscia_class.cpp
index 4684921..cd510d0 100644
--- a/src/pieces/methods/coscia_class.cpp
+++ b/src/pieces/methods/coscia_class.cpp
@@ -25,17 +25,13 @@ sf::Shape* Coscia::draw(ReferencePlane plane){
 
     switch (plane)
     {
-    case ReferencePlane::XZ:
+    case ReferencePlane::XZ : case ReferencePlane::XZN:
         {
         sf::Shape* shape = shapeXZ;
         shape->setRotation(sf::Angle(sf::radians(tmpRot[1])));
         shape->setPosition({tmpPos[0]+globalPos[0],tmpPos[2]+globalPos[2]});
-
-        //calcolo ridimensionamento dato da cos(x)-> questo per definire l'ancoraggio corretto del pivot
         shape->setScale({1,cos(float(tmpRot[0]))});
-        //shape->setScale({1,(0.5* cos(float(tmpRot[0]*2)))+0.5});
-
-        
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         return shape;}
         break;
     
@@ -44,10 +40,8 @@ sf::Shape* Coscia::draw(ReferencePlane plane){
         sf::Shape* shape = shapeYZ;
         shape->setRotation(sf::Angle(sf::radians(tmpRot[0])));
         shape->setPosition({tmpPos[1]+globalPos[1],tmpPos[2]+globalPos[2]});
-
-        //calcolo ridimensionamento dato da cos(x) -> questo per definire l'ancoraggio corretto del pivot
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         shape->setScale({1,cos(float(tmpRot[1]))});
-        //shape->setScale({1,(0.5* cos(float(tmpRot[1]*2)))+0.5});
         return shape;}
         break;
     
diff --git a/src/pieces/methods/sensore_class.cpp b/src/pieces/methods/sensore_class.cpp
index 4f0e82e..19d888d 100644
--- a/src/pieces/methods/sensore_class.cpp
+++ b/src/pieces/methods/sensore_class.cpp
@@ -60,12 +60,13 @@ sf::Shape* Sensore::draw(ReferencePlane plane){
 
     switch (plane)
     {
-    case ReferencePlane::XZ:
+    case ReferencePlane::XZ : case ReferencePlane::XZN:
         {
        
         sf::Shape* shape = shapeXZ;
         shape->setRotation(sf::Angle(sf::radians(tmpRot[1])));
         shape->setPosition({tmpPos[0]+globalPos[0],tmpPos[2]+globalPos[2]});
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         return shape;}
         break;
     
@@ -74,6 +75,7 @@ sf::Shape* Sensore::draw(ReferencePlane plane){
         sf::Shape* shape = shapeYZ;
         shape->setRotation(sf::Angle(sf::radians(tmpRot[0])));
         shape->setPosition({tmpPos[1]+globalPos[1],tmpPos[2]+globalPos[2]});
+        shape->setFillColor(color*sf::Color(255,255,255,transparency*255));
         return shape;}
         break;