diff --git a/src/defaultkeysmap.h b/src/defaultkeysmap.h
index b22dc1f..3e5157d 100644
--- a/src/defaultkeysmap.h
+++ b/src/defaultkeysmap.h
@@ -8,7 +8,7 @@ class DefaultKeysMap : public IKeysMap
 public:
     enum{MAIN_ACTION, SECONDARY_ACTION, TERTIARY_ACTION, MOVE_FORWARD, MOVE_BACKWARD, STRAFE_LEFT, STRAFE_RIGHT, JUMP,
          TOGGLE_NOCLIP, TOGGLE_PHYSICS_DEBUG, TOGGLE_CONSOLE,
-         MOVE_CURSOR_LEFT, MOVE_CURSOR_RIGHT, PLOP_TEST, CLEAR_CONSOLE, LEFT_CLICK,
+         MOVE_CURSOR_LEFT, MOVE_CURSOR_RIGHT, PLOP_TEST, LEFT_CLICK,
          EXIT_GAME,LAST_DEFAULT_ACTION};
 
     DefaultKeysMap(){
@@ -25,8 +25,7 @@ public:
         keys.push_back( {{TOGGLE_CONSOLE,input::KEYBOARD},      sf::Keyboard::F3,    IKeysMap::PRESSED} );
         keys.push_back( {{MOVE_CURSOR_LEFT,input::KEYBOARD},    sf::Keyboard::Left,  IKeysMap::PRESSED} );
         keys.push_back( {{MOVE_CURSOR_RIGHT,input::KEYBOARD},   sf::Keyboard::Right, IKeysMap::PRESSED} );
-        keys.push_back( {{PLOP_TEST,input::KEYBOARD},           sf::Keyboard::F7,    IKeysMap::PRESSED} );
-        keys.push_back( {{CLEAR_CONSOLE,input::KEYBOARD},       sf::Keyboard::F2,    IKeysMap::PRESSED} );
+//        keys.push_back( {{PLOP_TEST,input::KEYBOARD},           sf::Keyboard::F7,    IKeysMap::PRESSED} );
         keys.push_back( {{EXIT_GAME,input::KEYBOARD},           sf::Keyboard::Escape,IKeysMap::PRESSED} );
         keys.push_back( {{LEFT_CLICK,input::MOUSE},             sf::Mouse::Left,     IKeysMap::PRESSED} );
     }
@@ -54,9 +53,7 @@ public:
         return {
             {TOGGLE_CONSOLE,input::KEYBOARD},
             {MOVE_CURSOR_LEFT,input::KEYBOARD},
-            {MOVE_CURSOR_RIGHT,input::KEYBOARD},
-            {PLOP_TEST,input::KEYBOARD},
-            {CLEAR_CONSOLE,input::KEYBOARD}
+            {MOVE_CURSOR_RIGHT,input::KEYBOARD}
         };
     }
 
diff --git a/src/scene/gibgeneratornode.cpp b/src/scene/gibgeneratornode.cpp
index abd4529..963fcb5 100644
--- a/src/scene/gibgeneratornode.cpp
+++ b/src/scene/gibgeneratornode.cpp
@@ -47,6 +47,8 @@ void GibGeneratorNode::update()
         else
             ++it;
     }
+
+    // use ContainerNode::update() here instead?
     for(SceneNode* child : m_children)
         child->update();
 }
diff --git a/src/scene/gui/scrollbarnode.cpp b/src/scene/gui/scrollbarnode.cpp
index ea8e7c1..2b736a5 100644
--- a/src/scene/gui/scrollbarnode.cpp
+++ b/src/scene/gui/scrollbarnode.cpp
@@ -42,15 +42,19 @@ void ScrollBarNode::update()
     bool needTransformUpdate = false;
     if(m_bar_resized)
     {
-        if(m_total_size > m_bar_size){
+        if(m_total_size > m_bar_size)
             m_bar_dimension.y = m_dimension.y * ((float)m_bar_size / (float)m_total_size);
-            m_bar_resized = false;
-            needTransformUpdate = true;
-        }
+        else
+            m_bar_dimension.y = m_dimension.y;
+        m_bar_resized = false;
+        needTransformUpdate = true;
     }
     if(m_bar_moved)
     {
-        m_bar_position = glm::vec2(0,(m_dimension.y /m_total_size) * m_index_position);
+        if(m_total_size != 0)
+            m_bar_position = glm::vec2(0,(m_dimension.y /m_total_size) * m_index_position);
+        else
+            m_bar_position = glm::vec2(0);
         m_bar_moved = false;
         needTransformUpdate = true;
     }
diff --git a/src/scene/gui/scrollbarnode.h b/src/scene/gui/scrollbarnode.h
index 521f833..c6b1348 100644
--- a/src/scene/gui/scrollbarnode.h
+++ b/src/scene/gui/scrollbarnode.h
@@ -14,7 +14,6 @@ protected:
     int m_bar_size;
     int m_total_size;
     glm::vec2 m_bar_dimension;
-    glm::vec2 m_last_bar_dimension;
     glm::vec3 m_bar_color;
     bool m_bar_color_updated;
     MeshNode* m_bar;
diff --git a/src/scene/textnode.h b/src/scene/textnode.h
index fefec91..b78cd03 100644
--- a/src/scene/textnode.h
+++ b/src/scene/textnode.h
@@ -21,6 +21,7 @@ public:
     TextNode(Mesh* mesh,std::string s,float fontSize,bool visible = true) : MeshNode(mesh,visible),m_fontSize(fontSize) {
         m_string.assign(s.begin(),s.end());
     }
+    ~TextNode(){delete m_geometry.mesh;}
 
     void setDimension(glm::vec2 dim){m_dimension = dim;}
     glm::vec2 getDimension(){return m_dimension;}
diff --git a/src/sparrowshell/scriptnode.cpp b/src/sparrowshell/scriptnode.cpp
index bebf2a2..a9cf371 100644
--- a/src/sparrowshell/scriptnode.cpp
+++ b/src/sparrowshell/scriptnode.cpp
@@ -14,6 +14,7 @@ ScriptNode::ScriptNode()
 {
     LUA_SET_FUN(print);
     LUA_SET_FUN(version);
+    LUA_SET_FUN(clear);
 }
 
 void ScriptNode::update(){
@@ -22,6 +23,14 @@ void ScriptNode::update(){
         test=false;
 }
 
+void ScriptNode::execute(std::string to_execute){
+    try{
+        m_script.script(to_execute);
+    }catch(sol::error error_lua){
+        this->getEngine().getShell()->out(error_lua.what(),glm::vec3(1,0,0));
+    }
+}
+
 void ScriptNode::print(std::string to_print){
     this->getEngine().getShell()->out(to_print.append("\n"));
 }
@@ -41,10 +50,7 @@ void ScriptNode::version(){
     this->getEngine().getShell()->out(oss.str());
 }
 
-void ScriptNode::execute(std::string to_execute){
-    try{
-        m_script.script(to_execute);
-    }catch(sol::error error_lua){
-        this->getEngine().getShell()->out(error_lua.what(),glm::vec3(1,0,0));
-    }
+void ScriptNode::clear(){
+    this->getEngine().getShell()->clear();
 }
+
diff --git a/src/sparrowshell/scriptnode.h b/src/sparrowshell/scriptnode.h
index 41bbd66..8a340cd 100644
--- a/src/sparrowshell/scriptnode.h
+++ b/src/sparrowshell/scriptnode.h
@@ -12,9 +12,13 @@ class ScriptNode : public GraphicalNode
 public:
     ScriptNode();
     void update();
+    void execute(std::string);
+
+    /* -- LUA function -- */
     void print(std::string);
     void version();
-    void execute(std::string);
+    void clear();
+
 };
 
 #endif // SCRIPTNODE_H
diff --git a/src/sparrowshell/shellbuffer.cpp b/src/sparrowshell/shellbuffer.cpp
index 3a3286d..8f8bc9e 100644
--- a/src/sparrowshell/shellbuffer.cpp
+++ b/src/sparrowshell/shellbuffer.cpp
@@ -5,18 +5,13 @@
 #include "tools/utils.h"
 #include <iostream>
 
-void ShellBuffer::toggleBuffer(){
-    for(auto child : m_children)
-        child->toggleVisibility();
-}
-
 void ShellBuffer::update()
 {
     TextNode* tnode;
     glm::vec2 text_pos(0,0);
 
     SparrowShell* shell = dynamic_cast<SparrowShell*>(m_parent);
-    if(shell->isEnabled())
+    if(shell->isEnabled() && m_buffer_modified)
     {
         for(unsigned int i = 0; i< size();i++)
         {
@@ -28,8 +23,9 @@ void ShellBuffer::update()
                 text_pos.y += m_font_size;
             }
             else
-                tnode->moveTo2D(glm::vec2(-100,-100));
+                tnode->setVisible(false);
         }
+        m_buffer_modified = false;
     }
     GUINode::update();
 }
@@ -49,6 +45,7 @@ void ShellBuffer::push(TextNode* tnode){
         tnode->m_parent = this;
         tnode->setParentTransform(m_transform);
         tnode->setParentVisible(isVisible());
+        m_buffer_modified = true;
     }
 }
 
@@ -56,3 +53,13 @@ glm::vec2 ShellBuffer::getDimension(){
     return glm::vec2(getEngine().getWindow()->getSize().x - SparrowShell::SCROLLBAR_PIXEL_WIDTH,
                      SparrowShell::BUFFER_DISPLAYED_LINES * SparrowShell::DEFAULT_FONT_SIZE);
 }
+
+void ShellBuffer::clear(){
+    for(auto it = m_children.begin(); it != m_children.end();){
+        TextNode* child = (TextNode*) *it;
+        m_scene->removeFromIndex(child);
+        it = m_children.erase(it);
+        delete child;
+    }
+    m_index = 0;
+}
diff --git a/src/sparrowshell/shellbuffer.h b/src/sparrowshell/shellbuffer.h
index 19aa878..67523d9 100644
--- a/src/sparrowshell/shellbuffer.h
+++ b/src/sparrowshell/shellbuffer.h
@@ -11,15 +11,20 @@ private:
     int m_zero_offset;
     float m_font_size;
     unsigned int m_index = 0;
+    bool m_buffer_modified;
 public:
-    ShellBuffer(int buffer_size):m_max_size(buffer_size), m_zero_offset(0),m_font_size(16.f){
-        m_visible = false;
+    ShellBuffer(int buffer_size):
+        m_max_size(buffer_size),
+        m_zero_offset(0),
+        m_font_size(16.f),
+        m_buffer_modified(false)
+    {
+        setVisible(true);
         moveTo2D(glm::vec2(0));
     }
     GraphicalNode* operator[](int i){return m_children[(m_zero_offset+i)%m_max_size];}
     void push(TextNode*);
     unsigned int size(){return m_children.size();}
-    void toggleBuffer();
 
     void update();
 
@@ -29,10 +34,10 @@ public:
 
     glm::vec2 getDimension();
 
-    void increaseIndex(){m_index++;}
-    void decreaseIndex(){m_index--;}
+    void increaseIndex(){m_index++; m_buffer_modified= true;}
+    void decreaseIndex(){m_index--; m_buffer_modified= true;}
     unsigned int getIndex(){return m_index;}
-
+    void clear();
 };
 
 #endif // SHELLBUFFER_H
diff --git a/src/sparrowshell/shellscrollbar.cpp b/src/sparrowshell/shellscrollbar.cpp
index 8907818..192beff 100644
--- a/src/sparrowshell/shellscrollbar.cpp
+++ b/src/sparrowshell/shellscrollbar.cpp
@@ -18,33 +18,10 @@ ShellScrollBar::ShellScrollBar(SparrowShell *shell):
     m_shell(shell)
 {
     setBarSize(SparrowShell::BUFFER_DISPLAYED_LINES);
-//    MeshNode(nullptr,false);
-//    m_position = glm::vec2(m_shell->getDimension().x-SparrowShell::SCROLLBAR_PIXEL_WIDTH,0);
-//    m_max_height = ;
-//    m_dimension = glm::vec2(SparrowShell::SCROLLBAR_PIXEL_WIDTH, m_max_height);
-//    moveTo2D(m_position);
-
-//    Mesh* mesh = new Mesh();
-
-//    mesh->addRectangle2D(glm::vec2(0),m_dimension);
-//    PhongMaterial* mat = new PhongMaterial();
-//    mat->diffuse = glm::vec3(0,0,0.5);
-//    mat->m_opacity = 0.8;
-//    mesh->setMaterial(mat);
-//    mesh->setDepth(SparrowShell::SHELL_DEPTH+1);
-//    mesh->initGL();
-//    m_geometry.mesh = mesh;
 }
 
 void ShellScrollBar::update()
 {
-    if (m_shell->isBufferResized()){
-        setSize(m_shell->getBuffer()->size());
-    }
-    if (m_shell->indexMoved())
-    {
-        setIndex(m_shell->getIndex());
-    }
     ScrollBarNode::update();
 }
 
diff --git a/src/sparrowshell/sparrowshell.cpp b/src/sparrowshell/sparrowshell.cpp
index 0b57497..e63be58 100644
--- a/src/sparrowshell/sparrowshell.cpp
+++ b/src/sparrowshell/sparrowshell.cpp
@@ -31,23 +31,21 @@ SparrowShell::SparrowShell(sf::Window* window):
     m_buffer->setFontSize(DEFAULT_FONT_SIZE);
 
     setPosition(glm::vec2(0));
+    setVisible(false);
 
     Font* fonte_des_neiges = Loader::loadFont("../data/consolas.fnt","../data/consolas.png");
     RESOURCE_ADD(fonte_des_neiges,Font,"shellfont");
 
     //Create mesh for background
     m_background = new BackGroundNode(m_dimension,glm::vec3(0.1,0.1,0.1),0.75,SHELL_DEPTH);
-    m_background->setVisible(false);
     //Create mesh for scrollbar
     m_scrollbar = new ShellScrollBar(this);
-    m_scrollbar->setVisible(false);
     m_scrollbar->moveTo2D(glm::vec2(m_dimension.x-SCROLLBAR_PIXEL_WIDTH,0));
 
     m_script = new ScriptNode();
 
     m_input_node = new TextInputNode(glm::vec2(m_buffer->getFontSize(),size.y));
     m_input_node->setPosition(glm::vec2(0,m_buffer->getFontSize()*BUFFER_DISPLAYED_LINES));
-    m_input_node->setVisible(false);
     m_input_node->setCallBack(new InputCallBack(this,m_input_node));
 
     this->addChild(m_background);
@@ -84,14 +82,14 @@ void SparrowShell::out(std::string str,glm::vec3 color)
     m_buffer->push(tnode);
     scrollDown();
     if (m_buffer->size() > SparrowShell::BUFFER_DISPLAYED_LINES)
-        m_resizeBuffer = true;
+        m_scrollbar->setSize(m_buffer->size());
 }
 
 void SparrowShell::scrollUp()
 {
     if (m_buffer->getIndex() > 0){
         m_buffer->decreaseIndex();
-        m_indexMoved = true;
+        m_scrollbar->setIndex(m_buffer->getIndex());
     }
 }
 
@@ -99,7 +97,7 @@ void SparrowShell::scrollDown()
 {
     if (m_buffer->getIndex() + SparrowShell::BUFFER_DISPLAYED_LINES < m_buffer->size()){
         m_buffer->increaseIndex();
-        m_indexMoved = true;
+        m_scrollbar->setIndex(m_buffer->getIndex());
     }
 }
 
@@ -117,17 +115,17 @@ void SparrowShell::toggleShell()
 {
     if(m_shellEnabled){
         getEngine().getInput()->setCurrentContext(m_previous_context);
-        getEngine().getWindow()->setKeyRepeatEnabled(false);
     }else{
         m_previous_context = getEngine().getInput()->getCurrentContext();
         getEngine().getInput()->setCurrentContext("shell");
-        getEngine().getWindow()->setKeyRepeatEnabled(true);
     }
     m_shellEnabled = !m_shellEnabled;
+    setVisible(m_shellEnabled);
+    getEngine().getWindow()->setKeyRepeatEnabled(m_shellEnabled);
     m_input_node->setFocus(m_shellEnabled);
-    for(auto child : m_children)
-        child->toggleVisibility();
-    m_buffer->toggleBuffer();
+  //  for(auto child : m_children)
+   //     child->toggleVisibility();
+//    m_buffer->toggleBuffer();
     m_scene->updateShaders();
 }
 
@@ -142,7 +140,10 @@ void SparrowShell::update()
             scrollUp();
     }
     GUINode::update();
-    m_resizeBuffer = false;
-    m_indexMoved = false;
-
+}
+
+void SparrowShell::clear(){
+    m_buffer->clear();
+    m_scrollbar->setIndex(m_buffer->getIndex());
+    m_scrollbar->setSize(m_buffer->size());
 }
diff --git a/src/sparrowshell/sparrowshell.h b/src/sparrowshell/sparrowshell.h
index 716dbd1..5fa0bb0 100644
--- a/src/sparrowshell/sparrowshell.h
+++ b/src/sparrowshell/sparrowshell.h
@@ -17,8 +17,6 @@
 #include "SparrowInput/keybindings.h"
 
 class Input;
-//class MeshNode;
-//class TextNode;
 class TextInputNode;
 class ShellBuffer;
 class BackGroundNode;
@@ -41,8 +39,6 @@ private:
 
     glm::vec2 m_dimension;
     bool m_shellEnabled = false;
-    bool m_resizeBuffer = false;
-    bool m_indexMoved = false;
 
     BackGroundNode* m_background;
     ShellBuffer* m_buffer;
@@ -52,10 +48,8 @@ private:
     glm::vec3 m_text_color;
     TextInputNode* m_input_node;
 
-    int m_plop_test;
     int m_move_cursor_left;
     int m_move_cursor_right;
-    int m_clear_console_action;
     std::string m_previous_context;
 
 public:
@@ -82,13 +76,9 @@ public:
 
     void setMoveCursorLeftAction(int action);
     void setMoveCursorRightAction(int action);
-    void setClearConsoleAction(int action){m_clear_console_action = action;}
-
-    //void moveCursorLeft(){m_input_cursor_pos--;}
-    //void moveCursorRight(){m_input_cursor_pos++;}
 
     bool isEnabled(){return m_shellEnabled;}
-    bool isBufferResized(){return m_resizeBuffer;}
-    bool indexMoved(){return m_indexMoved;}
+
+    void clear();
 };
 #endif // SPARROWSHELL_H
diff --git a/src/test/main.cpp b/src/test/main.cpp
index 0654855..05598f2 100644
--- a/src/test/main.cpp
+++ b/src/test/main.cpp
@@ -321,7 +321,6 @@ int main(){
     shell->setMoveCursorLeftAction(DefaultKeysMap::MOVE_CURSOR_LEFT);
     shell->setMoveCursorRightAction(DefaultKeysMap::MOVE_CURSOR_RIGHT);
     //shell->setPlopTest(DefaultKeysMap::PLOP_TEST);
-    shell->setClearConsoleAction(DefaultKeysMap::CLEAR_CONSOLE);
     input->addContext(Context("shell",DefaultKeysMap::getShellContext()));
     input->updateKeyBindings();