1 files changed, 15 insertions, 3 deletions
diff --git a/src/boundary.cpp b/src/boundary.cpp
index 2425c4a..3e5b18c 100755
--- a/src/boundary.cpp
+++ b/src/boundary.cpp
@@ -37,13 +37,15 @@ void boundary::undo(){
 }
 
 void boundary::getCentroid(){
-	float x=0;
 	float y=0;
+	float maxx=-1;
+	float minx=100000;
 	for (int i=0;i<points.size();i++) {
-		x+=points[i].x;
 		y+=points[i].y;
+		minx=min(minx,points[i].x);
+		maxx=max(maxx,points[i].x);
 	}
-	centroid=ofPoint(x/points.size(),y/points.size(),0);
+	centroid=ofPoint(minx+((maxx-minx)*0.1),y/points.size(),0);
 }
 
 bool boundary::contains(ofPoint p)
@@ -77,6 +79,16 @@ bool boundary::contains(ofPoint p)
     return false;
   else
     return true;
+}
+int boundary::findPoint(ofPoint pos){
+    int threshold=6;
+    int selected=-1;
+    for (int i=0;i<points.size();i++) {
+        if (abs(points[i].x-pos.x)<=threshold&&abs(points[i].x-pos.x)<=threshold) {
+            selected=i;
+        }
+    }
+    return selected;
 }
 void boundary::openFile(string file) {
 	filename=file;