diff --git a/scripts/demo.js b/scripts/demo.js
index c444dd4..4616004 100644
--- a/scripts/demo.js
+++ b/scripts/demo.js
@@ -23,12 +23,6 @@ function runDemo(canvasId) {
 	camera.keysRight = [68]; // Touche D;
 	scene.activeCamera.attachControl(canvas);
 
-	if(camera.position.x>2){
-		camera.position.x=2;
-	}else if(camera.position.x<-2){
-		camera.position.x=-2;
-	}
-
 	// Ajout d'une lumi�re
 	var light = new BABYLON.PointLight("DirLight", new BABYLON.Vector3(0, 10, 0), scene);
 	light.diffuse = new BABYLON.Color3(1, 1, 1);
@@ -61,37 +55,67 @@ function createSkybox(scene) {
 
 function createDemoScene(scene) {
 	// Cr�ation d'un sol
-	var ground = BABYLON.Mesh.CreatePlane("ground", 50, scene);
-	ground.rotation.x = Math.PI / 2;
-	ground.material = new BABYLON.StandardMaterial("gMaterial", scene);
-	ground.material.diffuseTexture = new BABYLON.Texture("images/ground.png", scene);
-	ground.checkCollisions = true;
+	/*---------------------SALLE 1 -------------------------------*/
+	var groundSalle1 = BABYLON.Mesh.CreatePlane("groundSalle1", 50, scene);
+	groundSalle1.rotation.x = Math.PI / 2;
+	groundSalle1.material = new BABYLON.StandardMaterial("gMaterial", scene);
+	groundSalle1.material.diffuseTexture = new BABYLON.Texture("images/ground.png", scene);
+	groundSalle1.checkCollisions = true;
 
-	var mur1 = BABYLON.Mesh.CreatePlane("mur1", 50, scene);
-	mur1.rotation.y = Math.PI / 2;
-	mur1.position.y = 20;
-	mur1.position.x = 25;
-	mur1.visibility = 0;
-	mur1.checkCollisions = true;
+	var mur1Salle1 = BABYLON.Mesh.CreatePlane("mur1Salle1", 50, scene);
+	mur1Salle1.rotation.y = Math.PI / 2;
+	mur1Salle1.position.y = 20;
+	mur1Salle1.position.x = 25;
+	mur1Salle1.visibility = 0;
+	mur1Salle1.checkCollisions = true;
 
-	var mur2 = BABYLON.Mesh.CreatePlane("mur2", 50, scene);
-	mur2.rotation.y = -(Math.PI / 2);
-	mur2.position.y = 20;
-	mur2.position.x = -25;
-	mur2.visibility = 0;
-	mur2.checkCollisions = true;
+	var mur2Salle1 = BABYLON.Mesh.CreatePlane("mur2Salle1", 50, scene);
+	mur2Salle1.rotation.y = -(Math.PI / 2);
+	mur2Salle1.position.y = 20;
+	mur2Salle1.position.x = -25;
+	mur2Salle1.visibility = 0;
+	mur2Salle1.checkCollisions = true;
 
-	var mur3 = BABYLON.Mesh.CreatePlane("mur3", 50, scene);
-	mur3.rotation.z = Math.PI / 2;
-	mur3.position.z = 25;
-	mur3.visibility = 0;
-	mur3.checkCollisions = true;
+	var mur31Salle1 = BABYLON.Mesh.CreatePlane("mur31Salle1", 20, scene);
+	mur31Salle1.rotation.z = Math.PI / 2;
+	mur31Salle1.position.z = 25;
+	mur31Salle1.position.x = -15;
+	mur31Salle1.visibility = 0;
+	mur31Salle1.checkCollisions = true;
 
-	var mur4 = BABYLON.Mesh.CreatePlane("mur4", 50, scene);
-	mur4.rotation.x = Math.PI;
-	mur4.position.z = -25;
-	mur4.visibility = 0;
-	mur4.checkCollisions = true;
+	var mur32Salle1 = BABYLON.Mesh.CreatePlane("mur32Salle1", 20, scene);
+	mur32Salle1.rotation.z = Math.PI / 2;
+	mur32Salle1.position.z = 25;
+	mur32Salle1.position.x = 15;
+	mur32Salle1.visibility = 0;
+	mur32Salle1.checkCollisions = true;
+
+	var mur4Salle1 = BABYLON.Mesh.CreatePlane("mur4Salle1", 50, scene);
+	mur4Salle1.rotation.x = Math.PI;
+	mur4Salle1.position.z = -25;
+	mur4Salle1.visibility = 0;
+	mur4Salle1.checkCollisions = true;
+
+	/*---------------------COULOIR 1 -------------------------------*/
+	var groundCouloir1 = BABYLON.Mesh.CreateGround("groundCouloir1", 10, 20, 2, scene);
+	groundCouloir1.material = new BABYLON.StandardMaterial("gMaterial", scene);
+	groundCouloir1.material.diffuseTexture = new BABYLON.Texture("images/ground.png", scene);
+	groundCouloir1.position.z = 35;
+	groundCouloir1.checkCollisions = true;
+
+	var mur1Couloir1 = BABYLON.Mesh.CreatePlane("mur1Couloir1", 20, scene);
+	mur1Couloir1.rotation.y = Math.PI / 2;
+	mur1Couloir1.position.z = 35;
+	mur1Couloir1.position.x = 5;
+	mur1Couloir1.visibility = 0;
+	mur1Couloir1.checkCollisions = true;
+
+	var mur2Couloir1 = BABYLON.Mesh.CreatePlane("mur2Couloir1", 20, scene);
+	mur2Couloir1.rotation.y = -(Math.PI / 2);
+	mur2Couloir1.position.z = 35;
+	mur2Couloir1.position.x = -5;
+	mur2Couloir1.visibility = 0;
+	mur2Couloir1.checkCollisions = true;
 
 	// Et quelques cubes...
 	var boxMaterial = new BABYLON.StandardMaterial("bMaterial", scene);