diff --git a/shaders/StylishShaders/PerlinNoise.glsl b/shaders/StylishShaders/PerlinNoise.glsl
index b3f4362..7ff344f 100644
--- a/shaders/StylishShaders/PerlinNoise.glsl
+++ b/shaders/StylishShaders/PerlinNoise.glsl
@@ -18,14 +18,14 @@ void main()
     vec2 fragCoordTemp = fragCoord;
     fragCoordTemp = 8. * fragCoordTemp / fragCoordTemp.y-vec2(7,4);
 
-    perlinNoise = sin(perlinNoise + time);
+    perlinNoise = sin(perlinNoise + time*15);
     perlinNoise = mix(perlinNoise,color,0.5f);
 
     vec4 tex = texture(texture1, texCoord);
     if (tex.a == 0.0){
         FragColor = tex;
     } else{
-        FragColor = mix(tex, perlinNoise, 0.5);
+        FragColor = mix(tex, perlinNoise, 0.5f);
         FragColor.a = 1.0f;
     }
 }
diff --git a/src/engine/Engine.java b/src/engine/Engine.java
index b09c2ca..70f2c0e 100644
--- a/src/engine/Engine.java
+++ b/src/engine/Engine.java
@@ -27,14 +27,18 @@ public class Engine {
 
     private boolean running;
 
+    private final int width;
+    private final int height;
+
     /**
      * Create the engine and initial attributes use .init() to start the engine
      */
-    public Engine() {
+    public Engine(int width, int height, float aspectRatio) {
         this.running = false;
         this.objectsGl = new ArrayList<>();
-        float width = 1280.0f;
-        ObjectGl.projection = Matrix4f.orthographic(-width, width, -width * 9.0f / 16.0f, width * 9.0f / 16.0f, 0.1f, 100.0f);
+        this.width = width;
+        this.height = height;
+        ObjectGl.projection = Matrix4f.orthographic(-width, width, -width * aspectRatio, width * aspectRatio, 0.1f, 100.0f);
         ObjectGl.view = Matrix4f.translate(new Vector3f(0.0f,0.0f,1.0f));
     }
 
@@ -54,8 +58,8 @@ public class Engine {
         glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); //Compatible MAC
         glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); //Le core profile est l'interface 'avancé' d'openGL
 
-        int width = 1280;
-        int height = 720;
+        int width = this.width;
+        int height = this.height;
         this.setWindow(glfwCreateWindow(width, height, "Boulevard Combattant", NULL, NULL));
         assert getWindow() != NULL;
         
@@ -115,7 +119,7 @@ public class Engine {
 
     /**
      * Add obj to the render queue
-     * @param obj
+     * @param obj ObjectGl to render
      */
     public void add_objectGl(ObjectGl obj){
         objectsGl.add(obj);
@@ -157,7 +161,7 @@ public class Engine {
     };
 
     public static void main(String[] args) {
-        Engine engine = new Engine();
+        Engine engine = new Engine(1280, 720, 9.0f/16.0f);
         int speed = 10 ; //vitesse déplacement Object
         engine.init();
 
@@ -170,7 +174,7 @@ public class Engine {
         zangief.setTextureWrap(58,0,62,84, ObjectGl.STICK_TOP);
         engine.add_objectGl(zangief);
         zangief.translate(new Vector3f(-5000.0f,500.0f,10.0f));
-        zangief.setColor(new Vector3f(0.0f, 0.0f, 1.0f));
+        zangief.setColor(new Vector3f(1.0f, 1.0f, 1.0f));
         zangief.useTime = true;
         zangief.setShader("shaders/StylishShaders/BasicVert.glsl","shaders/StylishShaders/PerlinNoise.glsl");