checkpoint

darcs-hash:20071202015733-5007d-717af769324239d57a65a82e274f7525d7cd7761.gz

diff --git a/src/Geom.java b/src/Geom.java
index 080690e..42abd82 100644 (file)
--- a/src/Geom.java
+++ b/src/Geom.java
@@ -196,10 +196,28 @@ public class Geom implements Iterable<Geom.T> {
         E next;  // next half-edge
         E pair;  // partner half-edge
 
+
+        public E bound_to = this;
+        public M bound_m  = new M();
+
         public void bind(E e) { bind(e, new M()); }
-        public void bind(E e, M m) {
-            p1.bind(e.p2);
-            p2.bind(e.p1);
+        public void bind(E e2, M m) {
+            E e1 = this;
+            while(e1.bound_to != e1) e1 = e1.bound_to;
+            while(e2.bound_to != e2) e2 = e2.bound_to;
+            e1.bound_to = e2;
+        }
+
+        public void dobind() {
+            if (bound_to == this) return;
+            E ex = this;
+            M m = new M();
+            while(ex.bound_to != ex) { m = m.times(ex.bound_m); ex = ex.bound_to; }
+            p1.bind(ex.bound_to.p1);
+            p2.bind(ex.bound_to.p2);
+        }
+
+        public void shatter() {
         }
 
         private void sync() {

diff --git a/src/Main.java b/src/Main.java
index d8e2658..4e4dc86 100644 (file)
--- a/src/Main.java
+++ b/src/Main.java
@@ -97,23 +97,23 @@ public class Main implements GLEventListener {
                     if ((t1.p1().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
                         (t1.p2().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
                         (t1.p3().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
-                        t1.e1().bind(t2.e3());
-                        t1.e2().bind(t2.e2());
-                        t1.e3().bind(t2.e1());
+                        t1.e1().bind(t2.e3().pair);
+                        t1.e2().bind(t2.e2().pair);
+                        t1.e3().bind(t2.e1().pair);
                     }
                     if ((t1.p2().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
                         (t1.p3().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
                         (t1.p1().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
-                        t1.e2().bind(t2.e3());
-                        t1.e3().bind(t2.e2());
-                        t1.e1().bind(t2.e1());
+                        t1.e2().bind(t2.e3().pair);
+                        t1.e3().bind(t2.e2().pair);
+                        t1.e1().bind(t2.e1().pair);
                     }
                     if ((t1.p3().plus(v).minus(t2.p1()).mag() < Geom.EPSILON) &&
                         (t1.p1().plus(v).minus(t2.p3()).mag() < Geom.EPSILON) &&
                         (t1.p2().plus(v).minus(t2.p2()).mag() < Geom.EPSILON)) {
-                        t1.e3().bind(t2.e3());
-                        t1.e1().bind(t2.e2());
-                        t1.e2().bind(t2.e1());
+                        t1.e3().bind(t2.e3().pair);
+                        t1.e1().bind(t2.e2().pair);
+                        t1.e2().bind(t2.e1().pair);
                     }
                 }
             }
@@ -127,6 +127,14 @@ public class Main implements GLEventListener {
         //mid.move(geom.new V((float)-0.05,0,0));
 
         //mtf.move(geom.new V(0, (float)-0.05, (float)0.05));
+
+
+        for(Geom.T t : geom) {
+            t.e1().dobind();
+            t.e2().dobind();
+            t.e3().dobind();
+        }
+
         mtf.move(geom.new V(0, (float)-0.05, (float)0.00));