diff --git a/SQCSim-common/player.cpp b/SQCSim-common/player.cpp
index 85df138..2052c1c 100644
--- a/SQCSim-common/player.cpp
+++ b/SQCSim-common/player.cpp
@@ -4,14 +4,15 @@
 Player::Player(const Vector3f& position, float rotX, float rotY) : m_position(position), m_rotX(rotX), m_rotY(rotY) {
 	m_velocity = Vector3f(0, 0, 0);
 	m_airborne = true;
-	m_hp = 1.0f; //TODO: Remettre � 1.0f
+	m_hp = 1.0f;
+	m_sensitivity = 0.1f;
 	m_username = "Zelda Bee-Bop56";
 }
 
 Player::~Player() {}
 
-void Player::TurnLeftRight(float value) {
-	m_rotY += value;
+void Player::TurnLeftRight(float value, float sensitivity) {
+	m_rotY += value * sensitivity;
 	if (m_rotY > 360) m_rotY = 0;
 	else if (m_rotY < -360) m_rotY = 0;
 
@@ -25,8 +26,8 @@ void Player::TurnLeftRight(float value) {
 	m_direction.Normalize();
 }
 
-void Player::TurnTopBottom(float value) {
-	m_rotX += value;
+void Player::TurnTopBottom(float value, float sensitivity) {
+	m_rotX += value * sensitivity;
 	if (m_rotX > 80) m_rotX = 80;
 	else if (m_rotX < -80) m_rotX = -80;
 
@@ -78,7 +79,7 @@ Vector3f Player::GetInput(bool front, bool back, bool left, bool right, bool jum
 	}
 
 	if (shoot) // Recoil!
-		TurnTopBottom(-1);
+		TurnTopBottom(-1, 1.0f);
 
 	return delta;
 }
@@ -270,6 +271,14 @@ Vector3f Player::GetDirection() const { return m_direction; }
 
 std::string Player::GetUsername() const { return m_username; }
 
+float Player::GetSensitivity() const {
+	return m_sensitivity;
+}
+
+void Player::SetSensitivity(float sensitivity) {
+	m_sensitivity = sensitivity;
+}
+
 float Player::GetHP() const { return m_hp; }
 
 void Player::Teleport(int& x, int& z) {
diff --git a/SQCSim-common/player.h b/SQCSim-common/player.h
index 6117605..dbd4888 100644
--- a/SQCSim-common/player.h
+++ b/SQCSim-common/player.h
@@ -16,8 +16,8 @@ public:
 	Player(const Vector3f& position, float rotX = 0, float rotY = 0);
 	~Player();
 
-	void TurnLeftRight(float value);
-	void TurnTopBottom(float value);
+	void TurnLeftRight(float value, float sensitivity);
+	void TurnTopBottom(float value, float sensitivity);
 	Vector3f GetInput(bool front, bool back, bool left, bool right, bool jump, bool dash, float elapsedTime);
 	Sound ApplyPhysics(Vector3f input, World* world, float elapsedTime);
 	void GetBooster(Booster boosttype);
@@ -32,6 +32,8 @@ public:
 	Vector3f GetVelocity() const;
 	Vector3f GetPOV() const;
 	std::string GetUsername() const;
+	float GetSensitivity() const;
+	void SetSensitivity(float sensitivity);
 	float GetHP() const;
 	void Teleport(int& x, int& z);
 
@@ -61,6 +63,7 @@ protected:
 	float timeboostspeed;
 	float timeboostdamage;
 	float timeboostinvincible;
+	float m_sensitivity;
 
 	float m_hp;
 
@@ -69,8 +72,6 @@ protected:
 	bool boostdamage;
 	bool boostinvincible;
 
-
-
 	Vector3f InterpolatePosition(const Vector3f& vec1, const Vector3f& vec2, const Timestamp& tim1, const Timestamp& tim2, const Timestamp& now);
 };
 #endif //_PLAYER_H__
diff --git a/SQCSim2021/engine.cpp b/SQCSim2021/engine.cpp
index d27ca25..7c7b66f 100644
--- a/SQCSim2021/engine.cpp
+++ b/SQCSim2021/engine.cpp
@@ -229,6 +229,8 @@ void Engine::LoadResource() {
 	m_boostinfo[BTYPE_INVINCIBLE] = new BoostInfo(BTYPE_INVINCIBLE, "Inv", u, v, s, 1);
 
 	m_animeAtlas.TextureIndexToCoord(0, u, v, s, s);
+	m_sensitivity = m_player.GetSensitivity();
+	m_options.SetMouseSensitivity(m_sensitivity);
 
 	std::cout << " Loading and compiling shaders ..." << std::endl;
 	if (!m_shader01.Load(SHADER_PATH "shader01.vert", SHADER_PATH "shader01.frag", true)) {
@@ -1623,8 +1625,8 @@ void Engine::DisplayGameplayMenu(float centerX, float centerY) {
 	float sensibleTop = centerY + Height() * 0.2f;
 
 	DrawSliderBackground(centerX, centerY, minBar, maxBar, sensibleBottom, sensibleTop);
-	DrawSlider(centerX, centerY, m_volSensible, minBar, maxBar, sensibleBottom, sensibleTop);
-	DisplayBarPercentValue(centerX, centerY, percentPosX, sensibleBottom, minBar, maxBar, m_volSensible);
+	DrawSlider(centerX, centerY, m_sensitivity, minBar, maxBar, sensibleBottom, sensibleTop);
+	DisplayBarPercentValue(centerX, centerY, percentPosX, sensibleBottom, minBar, maxBar, m_sensitivity);
 
 	glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
 }
@@ -1644,7 +1646,14 @@ void Engine::DisplayBarPercentValue(float centerX, float centerY, float posX, fl
 	glEnable(GL_BLEND);
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE);
 
-	float percentage = (value / (maxVal - minVal)) * 100;
+	if (value < 0.1f) {
+		value = 0.1f;
+	}
+	else if (value > 1.0f) {
+		value = 1.0f;
+	}
+
+	float percentage = value * 100;
 
 	if (percentage < 0.0f) {
 		percentage = 0.0f;
@@ -1665,19 +1674,23 @@ void Engine::DisplayBarPercentValue(float centerX, float centerY, float posX, fl
 }
 
 void Engine::DrawSlider(float centerX, float centerY, float value, float minVal, float maxVal, float bottomSideValue, float topSideValue) {
-	if (value < 0.0f) {
-		value = 0.0f;
+	float barLength = maxVal - minVal;
+
+	if (value < 0.1f) {
+		value = 0.1f;
 	}
-	else if (value > (maxVal - minVal)) {
-		value = (maxVal - minVal);
+	else if (value > 1.0f) {
+		value = 1.0f;
 	}
 
-	if (value >= 0.0f && value <= (maxVal - minVal)) {
+	float scaledLength = minVal + value * barLength;
+
+	if (value >= 0.0f && value <= 1.0f) {
 		glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
 		glBegin(GL_QUADS);
 		glTexCoord2f(0, 0);	glVertex2i(minVal, bottomSideValue);
-		glTexCoord2f(1, 0);	glVertex2i(minVal + value, bottomSideValue);
-		glTexCoord2f(1, 1);	glVertex2i(minVal + value, topSideValue);
+		glTexCoord2f(1, 0);	glVertex2i(scaledLength, bottomSideValue);
+		glTexCoord2f(1, 1);	glVertex2i(scaledLength, topSideValue);
 		glTexCoord2f(0, 1);	glVertex2i(minVal, topSideValue);
 		glEnd();
 	}
@@ -2095,11 +2108,10 @@ void Engine::HandlePlayerInput(float elapsedTime) {
 	PrintText(Width() * 0.6f, Height() * 0.4f, ss.str(), 2.0f);
 }
 
-
 void Engine::MouseMoveEvent(int x, int y) {
 	if (m_gamestate == GameState::PLAY) {
-		m_player.TurnLeftRight(x - (Width() / 2));
-		m_player.TurnTopBottom(y - (Height() / 2));
+		m_player.TurnLeftRight(x - (Width() / 2), m_sensitivity);
+		m_player.TurnTopBottom(y - (Height() / 2), m_sensitivity);
 
 		// Centrer la souris seulement si elle n'est pas d�j� centr�e
 		// Il est n�cessaire de faire la v�rification pour �viter de tomber
@@ -2117,18 +2129,21 @@ void Engine::MouseMoveEvent(int x, int y) {
 		float centerY = Height() * 0.5f;
 		float leftBar = centerX - Width() * 0.15f;
 		float rightBar = centerX + Width() * 0.3f;
+		float barLength = rightBar - leftBar;
+
+		float normalizedPosition = (x - leftBar) / barLength;
 
 		if (m_selectedOption == 0 && m_selectedOptAudioMainBar) {
-			m_volPrincipal = x - leftBar;
+			m_volPrincipal = normalizedPosition;
 		}
 		else if (m_selectedOption == 0 && m_selectedOptAudioMusicBar) {
-			m_volMusique = x - leftBar;
+			m_volMusique = normalizedPosition;
 		}
 		else if (m_selectedOption == 0 && m_selectedOptAudioSfxBar) {
-			m_volEffets = x - leftBar;
+			m_volEffets = normalizedPosition;
 		}
 		else if (m_selectedOption == 2 && m_selectedGameplaySensitivityBar) {
-			m_volSensible = x - leftBar;
+			m_sensitivity = normalizedPosition;
 		}
 	}
 }
@@ -2237,6 +2252,7 @@ void Engine::MousePressEvent(const MOUSE_BUTTON& button, int x, int y) {
 		// Audio
 		float leftBar = centerX - Width() * 0.15f;
 		float rightBar = centerX + Width() * 0.3f;
+		float barLength = rightBar - leftBar;
 
 		float topBarPrincipal = centerY - Height() * 0.165f;
 		float bottomBarPrincipal = centerY - Height() * 0.2f;
@@ -2247,6 +2263,8 @@ void Engine::MousePressEvent(const MOUSE_BUTTON& button, int x, int y) {
 		float topBarEffets = centerY + Height() * 0.085f;
 		float bottomBarEffets = centerY + Height() * 0.05f;
 
+		float normalizedPosition = (x - leftBar) / barLength;
+
 		if (m_selectedOption == 0 && x > leftBar && x < rightBar && y > bottomBarPrincipal && y < topBarPrincipal) {
 			m_volPrincipal = x - leftBar;
 			m_selectedOptAudioMainBar = true;
@@ -2291,7 +2309,7 @@ void Engine::MousePressEvent(const MOUSE_BUTTON& button, int x, int y) {
 
 		// Gameplay
 		if (m_selectedOption == 2 && x > leftBar && x < rightBar && y > bottomBarPrincipal && y < topBarPrincipal) {
-			m_volSensible = x - leftBar;
+			m_sensitivity = normalizedPosition;
 			m_selectedGameplaySensitivityBar = true;
 		}
 	}
diff --git a/SQCSim2021/engine.h b/SQCSim2021/engine.h
index 1f4bcbc..a791f96 100644
--- a/SQCSim2021/engine.h
+++ b/SQCSim2021/engine.h
@@ -180,7 +180,7 @@ private:
     float m_volPrincipal = 0.0f;
     float m_volMusique = 0.0f;
     float m_volEffets = 0.0f;
-    float m_volSensible = 0.0f;
+    float m_sensitivity;
 
     int m_selectedOption = 0;
 
diff --git a/SQCSim2021/settings.cpp b/SQCSim2021/settings.cpp
index b84effc..008c4b4 100644
--- a/SQCSim2021/settings.cpp
+++ b/SQCSim2021/settings.cpp
@@ -9,7 +9,7 @@ Settings::Settings(Audio& audio)
     m_fullscreen(false),
     m_brightness(0.5f),
     m_contrast(0.5f),
-    m_mouseSensitivity(0.5f) {
+    m_mouseSensitivity(0.0f) {
     ApplyResolution(m_resolution);
 }