From 98ddaeec7d883ae378e7f1814de39f6ba4f109b3 Mon Sep 17 00:00:00 2001
From: JimmyBoivie <jimmy@JimmyBoivies-MacBook-Pro.local>
Date: Sat, 5 Dec 2015 21:06:45 -0500
Subject: [PATCH] reachable

---
 main/CompGeo.pde   |  3 +++
 main/HalfEdge.pde  | 15 +++++++++++++++
 main/Point.pde     |  2 ++
 main/PointList.pde | 17 +++++++++++++++++
 main/main.pde      |  2 +-
 5 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/main/CompGeo.pde b/main/CompGeo.pde
index bb7bef0..96241e1 100644
--- a/main/CompGeo.pde
+++ b/main/CompGeo.pde
@@ -67,4 +67,7 @@ public static class CompGeo {
     }
     return sum;
   }
+  
+  
+  
 }
\ No newline at end of file
diff --git a/main/HalfEdge.pde b/main/HalfEdge.pde
index 55982c7..7366b89 100644
--- a/main/HalfEdge.pde
+++ b/main/HalfEdge.pde
@@ -253,6 +253,21 @@ public class HalfEdge {
     System.out.println();
   }
   
+  private boolean isReachable(HalfEdge h) {
+    if (this == h) { return true; }
+    if (counted == false) {
+      counted = true;
+      return (twin.isReachable(h) || next.isReachable(h) || previous.isReachable(h));
+    }
+    return false;
+  }
+  
+  public boolean canReach(HalfEdge h) {
+    boolean out = isReachable(h);
+    reset();
+    return out;
+  }
+  
   
   // may not want getters, but for now they are here.
   public void setprevious(HalfEdge p) {
diff --git a/main/Point.pde b/main/Point.pde
index 60ca3df..565a1be 100644
--- a/main/Point.pde
+++ b/main/Point.pde
@@ -52,4 +52,6 @@ public class Point {
     return ref.countReset();
   }
   
+  
+  
 }
\ No newline at end of file
diff --git a/main/PointList.pde b/main/PointList.pde
index 588acc4..37d011b 100644
--- a/main/PointList.pde
+++ b/main/PointList.pde
@@ -23,4 +23,21 @@ public class PointList {
   public boolean removePoint(Point p) {
     return points.remove(p); 
   } 
+  
+  public ArrayList<HalfEdge> getAllStructures() {
+    int num = points.size();
+    ArrayList<HalfEdge> struct = new ArrayList<HalfEdge>();
+    for (int i = 0; i < num; i++) {
+      if (points.get(i).getRef().getCounted() == false) {
+        points.get(i).getRef().count();
+        struct.add(points.get(i).getRef());
+      }
+    }
+    num = struct.size();
+    for (int i = 0; i < num; i++) {
+      struct.get(i).reset(); 
+    }
+    return struct;
+  }
+   
 }
\ No newline at end of file
diff --git a/main/main.pde b/main/main.pde
index 22059e5..e4b3485 100644
--- a/main/main.pde
+++ b/main/main.pde
@@ -24,7 +24,7 @@ public void setup() {
   HalfEdge h2 = new HalfEdge(p1, p4);
   HalfEdge h3 = new HalfEdge(p3, p1);
   HalfEdge h4 = new HalfEdge(p1, p5);
-  HalfEdge h5 = new HalfEdge(p3, p4);
+  //HalfEdge h5 = new HalfEdge(p3, p4);
   float f = CompGeo.signedArea(h2.gettwin());
   float f2 = CompGeo.signedArea(h2);
   System.out.println("Signed Area: " + f);