diff --git a/src/engine/Engine.java b/src/engine/Engine.java
index 5b8226b..2855d5d 100644
--- a/src/engine/Engine.java
+++ b/src/engine/Engine.java
@@ -27,7 +27,8 @@ public class Engine {
     public Engine() {
         this.running = false;
         this.objectsGl = new ArrayList<>();
-        ObjectGl.projection = Matrix4f.orthographic(-10.0f, 10.0f, -10.0f * 9.0f / 16.0f, 10.0f * 9.0f / 16.0f, 0.1f, 100.0f);
+        float width = 1280.0f;
+        ObjectGl.projection = Matrix4f.orthographic(-width, width, -width * 9.0f / 16.0f, width * 9.0f / 16.0f, 0.1f, 100.0f);
         ObjectGl.view = Matrix4f.translate(new Vector3f(0.0f,0.0f,1.0f));
     }
 
@@ -68,7 +69,7 @@ public class Engine {
 
         glfwSetFramebufferSizeCallback(window, resizeWindow);
 
-        glEnable(GL_DEPTH_TEST); // Z-Buffer plus z est petit plus l'objet est proche de la camera limite à 0.1f au dela l'objet disparait
+        glEnable(GL_DEPTH_TEST); // Z-Buffer plus z est grand plus l'objet est proche de la camera limite à 100.0f au dela l'objet disparait
 
         glEnable(GL_BLEND); // Transparence
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -103,6 +104,7 @@ public class Engine {
 
     public void add_objectGl(ObjectGl obj){
         objectsGl.add(obj);
+        // TODO trié en fonction de la distance z sinon bug d'affichage
     }
 
     public void remove_objectGl(ObjectGl obj){
@@ -140,20 +142,24 @@ public class Engine {
         List<String> path = new ArrayList<>();
         path.add("textures/awesomeface.png");
 
-        ObjectGl smiley = new ObjectGlTex(-0.5f,0.5f,0.0f,1.0f,1.0f, path, Primitive.stdTexWrap);
+        ObjectGl smiley = new ObjectGlTex(-0.5f,0.5f,0.0f,500.0f,500.0f, path, Primitive.stdTexWrap);
         engine.add_objectGl(smiley);
+        smiley.translate(new Vector3f(-2.5f,0.0f,0.0f));
 
-        ObjectGl smiley2 = new ObjectGlTex(-0.5f,0.5f,0.0f,1.0f,1.0f, path, Primitive.stdTexWrap);
+        ObjectGl smiley2 = new ObjectGlTex(-0.5f,0.5f,0.0f,500.0f,500.0f, path, Primitive.stdTexWrap);
         engine.add_objectGl(smiley2);
-        smiley2.translate(new Vector3f(0.5f,0.0f,10.0f));
+        smiley2.translate(new Vector3f(0.0f,0.0f,10.0f));
 
         long timer = System.currentTimeMillis();
         int frame = 0;
 
         while(engine.isRunning()){
             // Game logic should fit here
-            smiley.rotateY(1.0f);
-            smiley2.rotateY(0.8f);
+            double time = glfwGetTime();
+
+            smiley.translate(new Vector3f( (float) Math.sin(time), (float) Math.cos(time), 0.0f));
+
+            smiley2.rotateZ(0.8f);
 
             //essential part v
             engine.update();