diff --git a/main/main.pde b/main/main.pde
index 0a6478f..68a3072 100644
--- a/main/main.pde
+++ b/main/main.pde
@@ -9,6 +9,7 @@ Point removeEdgePoint;
 boolean colorEdge = false;
 Point colorEdgePoint;
 int colorFaceColor = 1;
+HalfEdge colorFaceHalfEdge;
 
 public void setup() {
   size(800, 500);
@@ -166,6 +167,11 @@ public void mousePressed() {
       }
     }
   }
+  if(mode == 4) {
+    float x = mouseX;
+    float y = mouseY;
+    colorFaceHalfEdge = list.getHalfEdgeBySinglePoint(x,y,10);
+  }
 }
 void mouseReleased() {
   float x = mouseX;
@@ -188,41 +194,51 @@ void mouseReleased() {
 
 
 public void colorFace(float x, float y) {
-  HalfEdge h = list.getHalfEdgeBySinglePoint(x,y,20);
-  if(h != null) {
-    Face f = new Face(h, list);
-    f.printFace();
-    switch (colorFaceColor) {
-      case 0:
-        f.daColoring(255,255,255,list, width, height);
-        break;
-      case 1:
-        f.daColoring(0,0,0,list, width, height);
-        break;
-      case 2:
-        f.daColoring(244, 67, 54,list, width, height);
-        break;
-      case 3:
-        f.daColoring(76, 175, 80,list, width, height);
-        break;
-      case 4:
-        f.daColoring(33, 150, 243,list,width,height);
-        break;
-      case 5:
-        f.daColoring(156, 39, 176,list,width,height);
-        break;
-      case 6:
-        f.daColoring(255, 235, 59,list,width,height);
-        break;
-      case 7:
-        f.daColoring(103, 58, 183,list,width,height);
-        break;
-      case 8:
-        f.daColoring(233, 30, 99,list,width,height);
-        break;
-      case 9:
-        f.daColoring(63, 81, 181,list,width,height);
-        break;
+  if(colorFaceHalfEdge != null) {
+      HalfEdge h = CompGeo.findCWR(colorFaceHalfEdge);
+      h.printFace();
+      boolean b = CompGeo.inside(h, new Point(x,y), list.getFar());
+      if(b) {
+        h = h.gettwin();
+        //h = colorFaceHalfEdge;
+      } else {
+        //h = h.gettwin();
+        //h = colorFaceHalfEdge.gettwin(); 
+      }
+      if(h != null) {
+        Face f = new Face(h, list);
+        switch (colorFaceColor) {
+        case 0:
+          f.daColoring(255,255,255,list, width, height);
+          break;
+        case 1:
+          f.daColoring(0,0,0,list, width, height);
+          break;
+        case 2:
+          f.daColoring(244, 67, 54,list, width, height);
+          break;
+        case 3:
+          f.daColoring(76, 175, 80,list, width, height);
+          break;
+        case 4:
+          f.daColoring(33, 150, 243,list,width,height);
+          break;
+        case 5:
+          f.daColoring(156, 39, 176,list,width,height);
+          break;
+        case 6:
+          f.daColoring(255, 235, 59,list,width,height);
+          break;
+        case 7:
+          f.daColoring(103, 58, 183,list,width,height);
+          break;
+        case 8:
+          f.daColoring(233, 30, 99,list,width,height);
+          break;
+        case 9:
+          f.daColoring(63, 81, 181,list,width,height);
+          break;
+      }
     }
   }
   noFill();
@@ -340,10 +356,8 @@ public void removePointMode(float x, float y) {
 
 
 public void removeEdgeMode(float x, float y) {
-  System.out.println("entered remove edge");
-  HalfEdge h = list.getHalfEdgeBySinglePoint(x,y,20);
+  HalfEdge h = list.getHalfEdgeBySinglePoint(x,y,10);
   if(h != null) {
-    System.out.println("h is not null");
     h.Remove();
   }
 }