diff --git a/src/lsystem/Main.java b/src/lsystem/Main.java
index 0aaf338..77ce7a1 100644
--- a/src/lsystem/Main.java
+++ b/src/lsystem/Main.java
@@ -3,10 +3,12 @@ package lsystem;
 import lsystem.screen.MainFrame;
 import lsystem.screen.SwingGLCanvas;
 
+import java.util.Arrays;
+
 public class Main {
 
     public static void main(String[] args) {
-
+        System.out.println(-180%360);
         MainFrame frame = new MainFrame();
         frame.setVisible(true);
         SwingGLCanvas canvas = new SwingGLCanvas();
diff --git a/src/lsystem/screen/listener/JoglEventListener.java b/src/lsystem/screen/listener/JoglEventListener.java
index 680f400..7019b91 100644
--- a/src/lsystem/screen/listener/JoglEventListener.java
+++ b/src/lsystem/screen/listener/JoglEventListener.java
@@ -84,6 +84,9 @@ public class JoglEventListener implements GLEventListener {
 
     @Override
     public void display(GLAutoDrawable glAutoDrawable) {
+        for (int i = 0; i < canvas.camera.length; i++) {
+            canvas.camera[i] = canvas.camera[i] % 360;
+        }
         GL2 gl = glAutoDrawable.getGL().getGL2();
         gl.glClear(GL2.GL_COLOR_BUFFER_BIT | GL2.GL_DEPTH_BUFFER_BIT);
         gl.glLoadIdentity();
diff --git a/src/lsystem/screen/listener/JoglMouseListener.java b/src/lsystem/screen/listener/JoglMouseListener.java
index ced2645..c9790bd 100644
--- a/src/lsystem/screen/listener/JoglMouseListener.java
+++ b/src/lsystem/screen/listener/JoglMouseListener.java
@@ -64,9 +64,6 @@ public class JoglMouseListener implements MouseListener, MouseMotionListener, Mo
             }
             origine = e.getPoint();
         }
-        for (int i = 0; i < canvas.camera.length; i++) {
-            canvas.camera[i] = canvas.camera[i] % 360;
-        }
     }
 
     @Override
@@ -75,15 +72,41 @@ public class JoglMouseListener implements MouseListener, MouseMotionListener, Mo
 
     @Override
     public void mouseWheelMoved(MouseWheelEvent e) {
-        if( 45 > Math.abs(canvas.camera[3]) && 45>Math.abs(canvas.camera[4]))
+        // Gestion de la position x:
+        if(Math.abs(canvas.camera[3]) < 90 || Math.abs(canvas.camera[3]) > 270 ) {
             canvas.camera[0] += e.getWheelRotation() * Math.tan(Math.toRadians(-canvas.camera[3])) * 0.25;
-        else
+        }
+        else if(Math.abs(canvas.camera[3]) > 90 || Math.abs(canvas.camera[3]) < 270){
             canvas.camera[0] += e.getWheelRotation() * Math.tan(Math.toRadians(canvas.camera[3])) * 0.25;
-        canvas.camera[1] += e.getWheelRotation() * Math.tan(Math.toRadians(canvas.camera[4])) * 0.25;
-        if( 45 < Math.abs(canvas.camera[3]) || 45 < Math.abs(canvas.camera[4]))
-            canvas.camera[2] += -e.getWheelRotation()*0.25;
-        else
+        }
+        // Gestion de la position y:
+        if(Math.abs(canvas.camera[4]) < 90 || Math.abs(canvas.camera[4]) > 270) {
+            canvas.camera[1] += e.getWheelRotation() * Math.tan(Math.toRadians(canvas.camera[4])) * 0.25;
+        }
+        else if(Math.abs(canvas.camera[4]) > 90 || Math.abs(canvas.camera[4]) < 270){
+            canvas.camera[1] += e.getWheelRotation() * Math.tan(Math.toRadians(-canvas.camera[4])) * 0.25;
+        }
+
+        if( 90 == canvas.camera[3]){
+            canvas.camera[0] +=e.getWheelRotation()*0.25;
+            canvas.camera[2] += 0;
+        }
+        if( 90 == canvas.camera[4]){
+            canvas.camera[1] +=e.getWheelRotation()*0.25;
+            canvas.camera[2] += 0;
+        }
+        if( -90 == canvas.camera[3]){
+            canvas.camera[0] +=-e.getWheelRotation()*0.25;
+            canvas.camera[2] += 0;
+        }
+        if( -90 == canvas.camera[4]){
+            canvas.camera[1] +=e.getWheelRotation()*0.25;
+            canvas.camera[2] += 0;
+        }
+        if(Math.abs(canvas.camera[3]) < 90 || Math.abs(canvas.camera[3]) > 270 && Math.abs(canvas.camera[4]) < 90 || Math.abs(canvas.camera[4]) > 270){
             canvas.camera[2] += e.getWheelRotation()*0.25;
+        }else
+            canvas.camera[2] += -e.getWheelRotation()*0.25;
 
     }
 }