diff --git a/src/grawitexfx/Universe.java b/src/grawitexfx/Universe.java
@@ -7,27 +7,33 @@
 
 import java.lang.reflect.Array;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Observable;
+import javafx.beans.value.ObservableValue;
 
 /**
  *
  * @author szymon
  */
 public class Universe extends Observable {
-    private ArrayList<Planet> PlanetsTable = new ArrayList<>();
+    private ArrayList<Planet> planetsTable = new ArrayList<>();
     private ArrayList< Double > PlanetsEnergyData = new ArrayList<>();
+
 
     void setPlanets(ArrayList<Planet> Planets){
-        this.PlanetsTable = Planets;
+        System.out.println("SET PLANETS CALLED");
+        this.planetsTable = Planets;
+        setChanged();
+        notifyObservers();
     }
 
-    Object getPlanets(){
-        return this.PlanetsTable;
+    Collection<Planet> getPlanets(){
+        return this.planetsTable;
     }
     void packEnergyData(){
         double potential = 0;
         double kinetic = 0;
-        for(Planet planet: PlanetsTable){
+        for(Planet planet: planetsTable){
             potential += planet.getPotentialEnergy();
             kinetic += planet.getKineticEnergy(); /* just in case we would need it later */
             PlanetsEnergyData.add(potential + kinetic);
@@ -37,16 +43,17 @@ void packEnergyData(){
     }
 
     void updatePlanets() {
-        for(Planet planet : PlanetsTable) {
-            for(Planet otherPlanet : PlanetsTable) {
+        for(Planet planet : planetsTable) {
+            for(Planet otherPlanet : planetsTable) {
                 planet.calculateGravity(otherPlanet);
                 planet.calculatePotentialEnergy(otherPlanet);
                 planet.calculateKineticEnergy();
             }
         }
-        for(Planet planet : PlanetsTable) {
+        for(Planet planet : planetsTable) {
             planet.updateState(SimulationConfig.getSimulationTimeStep());
         }
         setChanged();
+        notifyObservers();
     }
 }
diff --git a/src/grawitexfx/VisualisationRenderer.java b/src/grawitexfx/VisualisationRenderer.java
@@ -7,16 +7,69 @@
 
 import java.util.Observable;
 import java.util.Observer;
+import javafx.scene.AmbientLight;
+import javafx.scene.Camera;
+import javafx.scene.Group;
+import javafx.scene.PerspectiveCamera;
+import javafx.scene.SubScene;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.PhongMaterial;
+import javafx.scene.shape.Sphere;
 
 /**
  *
  * @author adam
  */
 public class VisualisationRenderer implements Observer {
-
+    private SubScene scene;
+    private Universe universe;
+    private PhongMaterial redMaterial;
+    private Group group;
+
+    public VisualisationRenderer(SubScene visualizationScene, Universe universe) {
+        scene = visualizationScene;
+        this.universe = universe;
+
+        group = new Group();
+        scene.setRoot(group);
+        Camera camera = new PerspectiveCamera(true);
+        camera.setTranslateZ(-500.0);
+        camera.setNearClip(0.1);
+        camera.setFarClip(10000.0);
+        scene.setCamera(camera);
+        scene.setFill(null);
+        AmbientLight light = new AmbientLight(Color.WHITE);
+        group.getChildren().add(light);
+
+        Sphere sphere = new Sphere(1.0);
+        group.getChildren().add(sphere);
+        redMaterial = new PhongMaterial();
+        redMaterial.setDiffuseColor(Color.DARKRED);
+        redMaterial.setSpecularColor(Color.RED);
+        sphere.setMaterial(redMaterial);
+
+//        for(Planet planet : universe.getPlanets()) {
+//            Sphere planetMesh = new Sphere();
+//            planetMesh.setMaterial(redMaterial);
+//            planetMesh.setTranslateX(planet.getX());
+//            planetMesh.setTranslateY(planet.getY());
+//            planetMesh.setTranslateZ(planet.getZ());
+//            group.getChildren().add(planetMesh);
+//        }
+    }
+
     @Override
     public void update(Observable o, Object arg) {
-        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+        scene.setFill(Color.BLACK);
+        for(Planet planet : universe.getPlanets()) {
+            Sphere planetMesh = new Sphere(1.0);
+            planetMesh.setMaterial(redMaterial);
+            planetMesh.setTranslateX(planet.getX());
+            planetMesh.setTranslateY(planet.getY());
+            planetMesh.setTranslateZ(planet.getZ());
+            group.getChildren().add(planetMesh);
+        }
+        System.out.println("Renderer updated");
     }
 
 }