1 files changed, 5 insertions, 0 deletions
diff --git a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
index f066f0b84..eaac2b1bf 100644
--- a/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
+++ b/src/test/com/jogamp/opengl/test/junit/graph/demos/GPUUISceneGLListener0A.java
@@ -426,5 +426,10 @@ public class GPUUISceneGLListener0A implements GLEventListener {
                 ly = ny;
             }
         }
+        
+        @Override
+        public void mouseWheelMoved(MouseEvent e) {
+            zoom += 2f*e.getWheelRotation();
+        }
     }
 }      
 \ No newline at end of file