diff --git a/images/noir.png b/images/noir.png
new file mode 100644
index 0000000..1fe8f47
Binary files /dev/null and b/images/noir.png differ
diff --git a/images/textCouloir2.png b/images/textCouloir2.png
new file mode 100644
index 0000000..d847b49
Binary files /dev/null and b/images/textCouloir2.png differ
diff --git a/scripts/demo.js b/scripts/demo.js
index e41102d..d451f3e 100644
--- a/scripts/demo.js
+++ b/scripts/demo.js
@@ -145,6 +145,11 @@ function createDemoScene(scene) {
 
 	var textCouloir1 = new BABYLON.StandardMaterial("texture3", scene);
     textCouloir1.diffuseTexture = new BABYLON.Texture("images/textCouloir1.png", scene);
+	textCouloir1.specularColor = new BABYLON.Color3(0, 0, 0);
+
+	var textCouloir11 = new BABYLON.StandardMaterial("texture4", scene);
+	textCouloir11.diffuseTexture = new BABYLON.Texture("images/noir.png", scene);
+	textCouloir11.specularColor = new BABYLON.Color3(0, 0, 0);
 
 	var groundCouloir1 = BABYLON.Mesh.CreateGround("groundCouloir1", 10, 20, 2, scene);
 	groundCouloir1.material = new BABYLON.StandardMaterial("gMaterial", scene);
@@ -161,10 +166,11 @@ function createDemoScene(scene) {
 	mur1Couloir1.checkCollisions = true;
 
 	var mur2Couloir1 = BABYLON.Mesh.CreatePlane("mur2Couloir1", 20, scene);
+	mur2Couloir1.material = textCouloir11;
 	mur2Couloir1.rotation.y = -(Math.PI / 2);
 	mur2Couloir1.position.z = 35;
 	mur2Couloir1.position.x = -5;
-	mur2Couloir1.visibility = 0;
+	mur2Couloir1.visibility = 1;
 	mur2Couloir1.checkCollisions = true;
 
 	/*-----------------SALLE 2----------------------------------*/
@@ -222,6 +228,10 @@ function createDemoScene(scene) {
 
 	/*--------------COULOIR 2--------------------*/
 
+	var textCouloir2 = new BABYLON.StandardMaterial("texture5", scene);
+    textCouloir2.diffuseTexture = new BABYLON.Texture("images/textCouloir2.png", scene);
+	textCouloir2.specularColor = new BABYLON.Color3(0, 0, 0);
+
 	var groundCouloir2 = BABYLON.Mesh.CreateGround("groundCouloir2", 10, 20, 2, scene);
 	groundCouloir2.material = new BABYLON.StandardMaterial("gMaterial", scene);
 	groundCouloir2.material = groundMaterial;
@@ -232,14 +242,16 @@ function createDemoScene(scene) {
 	mur1Couloir2.rotation.y = Math.PI / 2;
 	mur1Couloir2.position.z = 105;
 	mur1Couloir2.position.x = 5;
-	mur1Couloir2.visibility = 0;
+	mur1Couloir2.visibility = 1;
+	mur1Couloir2.material = textCouloir2;
 	mur1Couloir2.checkCollisions = true;
 
 	var mur2Couloir2 = BABYLON.Mesh.CreatePlane("mur2Couloir2", 20, scene);
 	mur2Couloir2.rotation.y = -(Math.PI / 2);
 	mur2Couloir2.position.z = 105;
 	mur2Couloir2.position.x = -5;
-	mur2Couloir2.visibility = 0;
+	mur2Couloir2.visibility = 1;
+	mur2Couloir2.material = textCouloir11;
 	mur2Couloir2.checkCollisions = true;
 
 	/*----------------SALLE 3-------------------------*/