diff --git a/main/DrawHalfEdge.pde b/main/DrawHalfEdge.pde
index c335c73..1011e3e 100644
--- a/main/DrawHalfEdge.pde
+++ b/main/DrawHalfEdge.pde
@@ -4,7 +4,7 @@ public class DrawHalfEdge {
     line(v1.getX(), v1.getY(), v2.getX(), v2.getY());
   }
   public void drawpoint(Vertex v) {
-    point(v.getX(), v.getY());
+    ellipse(v.getX(), v.getY(),25,25);
   }
   
   public void drawGraph(ArrayList<Vertex> vlist) {
@@ -17,13 +17,19 @@ public class DrawHalfEdge {
   public void drawConnectedGraph(Vertex vertex) {
     ArrayList<HalfEdge> edges = vertex.getAllLeavingEdges();
     drawpoint(vertex);
-    for(HalfEdge edge: edges) {
-      drawConnection(edge, vertex);
+    if(edges != null) {
+      System.out.println("edges are not null");
+      for(HalfEdge edge: edges) {
+        drawConnection(edge, vertex);
+      }
     }
   }
     
   public void drawConnection(HalfEdge edge, Vertex v1) {
+    System.out.println("drawing connection");
     Vertex v2 = edge.getOrigin();
+    System.out.println(v1);
+    System.out.println(v2);
     drawpoint(v2);
     drawline(v1, v2);
   }
diff --git a/main/Vertex.pde b/main/Vertex.pde
index 575f6f9..a215301 100644
--- a/main/Vertex.pde
+++ b/main/Vertex.pde
@@ -28,6 +28,9 @@ public class Vertex {
     return halfedge;
   }
   public ArrayList<HalfEdge> getAllLeavingEdges() {
+    if(halfedge == null) {
+      return null;
+    }
     return halfedge.getHalfEdgesAlsoLeaving(); 
   }
   public void setIncidentEdge(HalfEdge e) {
@@ -125,4 +128,8 @@ public class Vertex {
     
   }
   
+  public String toString() {
+    return "x: " + x + "\n" + "y: " + y;
+  }
+  
 }
\ No newline at end of file
diff --git a/main/main.pde b/main/main.pde
index 5d3050c..db10ee7 100644
--- a/main/main.pde
+++ b/main/main.pde
@@ -4,12 +4,25 @@ public void settings() {
 public void setup() {
   background(255);
   fill(0,0);
+  translate(width/2, height/2);
+  VertexList list = new VertexList();
+  Vertex v = new Vertex(0,0);
+  Vertex v1 = new Vertex(0,200);
+  Vertex v2 = new Vertex(100,100);
+  Vertex v3 = new Vertex(200,0);
+  list.addVertex(v);
+  list.addVertex(v1);
+  list.addVertex(v2);
+  list.addVertex(v3);
+  DrawHalfEdge draw = new DrawHalfEdge();
+  HalfEdge h1 = new HalfEdge(v, v1);
+  draw.drawGraph(list.getVertexList());
 }
-public void draw() {
+/*public void draw() {
   fill(0,0,255,40);
   noStroke();
   pushMatrix(); // store the default translation matrix
   translate(width/2, height/2); // alter the current translation
-  ellipse(0,0,100,100);  //place the sphere in center of current translation
+  //ellipse(0,0,100,100);  //place the sphere in center of current translation
   popMatrix();  // return to default translation
-}
\ No newline at end of file
+}*/
\ No newline at end of file