minor testing changes

main/DrawHalfEdge.pde

@@ -17,19 +17,18 @@ public class DrawHalfEdge {
   public void drawConnectedGraph(Vertex vertex) {
     ArrayList<HalfEdge> edges = vertex.getAllLeavingEdges();
     drawpoint(vertex);
+    System.out.println(vertex);
     if(edges != null) {
-      System.out.println("edges are not null");
       for(HalfEdge edge: edges) {
-        drawConnection(edge, vertex);
+        System.out.println(edge);
+        drawConnection(edge.gettwin(), 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);
   }

main/HalfEdge.pde

@@ -53,7 +53,6 @@ public class HalfEdge {
 
   }
 
-
   public int count() {
     if (counted == false) {
       counted = true;

main/Vertex.pde

@@ -43,7 +43,7 @@ public class Vertex {
     HalfEdge[] prevNext = new HalfEdge[2];
     if (leaving.size() == 1) {
       prevNext[1] = leaving.get(0);
-      prevNext[0] = prevNext[0].gettwin();
+      prevNext[0] = prevNext[1].gettwin();
       return prevNext;
     }
     Vertex v1 = this;

main/main.pde

@@ -10,12 +10,18 @@ public void setup() {
   Vertex v1 = new Vertex(0,200);
   Vertex v2 = new Vertex(100,100);
   Vertex v3 = new Vertex(200,0);
+  Vertex v4 = new Vertex(-100,-100);
   list.addVertex(v);
   list.addVertex(v1);
   list.addVertex(v2);
   list.addVertex(v3);
+  list.addVertex(v4);
   DrawHalfEdge draw = new DrawHalfEdge();
   HalfEdge h1 = new HalfEdge(v, v1);
+  HalfEdge h2 = new HalfEdge(v, v3);
+  HalfEdge h3 = new HalfEdge(v, v2);
+  HalfEdge h4 = new HalfEdge(v,v4);
+  HalfEdge h5 = new HalfEdge(v1,v2);
   draw.drawGraph(list.getVertexList());
 }
 /*public void draw() {