diff --git a/src/Surfaces/BaseSurface.h b/src/Surfaces/BaseSurface.h
index 02eee35..3c80957 100644
--- a/src/Surfaces/BaseSurface.h
+++ b/src/Surfaces/BaseSurface.h
@@ -34,6 +34,8 @@ class BaseSurface {
 		virtual vector <ofVec3f> & getVertices() = 0;
         virtual vector <ofVec2f> & getTexCoords() = 0;
 	
+		virtual ofRectangle & getBoundingBox() = 0;
+	
 		virtual BaseSurface * clone() = 0;
 
 		void drawTexture(ofVec2f position);
diff --git a/src/Surfaces/GridWarpSurface.h b/src/Surfaces/GridWarpSurface.h
index ab03d0c..0d31f14 100644
--- a/src/Surfaces/GridWarpSurface.h
+++ b/src/Surfaces/GridWarpSurface.h
@@ -36,6 +36,8 @@ class GridWarpSurface : public BaseSurface {
 		vector <ofVec3f> & getVertices();
 		vector <ofVec2f> & getTexCoords();
 	
+		ofRectangle & getBoundingBox(){}
+	
 		void createGridMesh();
 	
 		BaseSurface * clone();
diff --git a/src/Surfaces/QuadSurface.h b/src/Surfaces/QuadSurface.h
index 9cdaa5d..7d84910 100644
--- a/src/Surfaces/QuadSurface.h
+++ b/src/Surfaces/QuadSurface.h
@@ -38,6 +38,8 @@ class QuadSurface : public BaseSurface {
 		vector <ofVec3f> & getVertices();
 		vector <ofVec2f> & getTexCoords();
 	
+		ofRectangle & getBoundingBox(){}
+	
 		void setPerspectiveWarping(bool b);
 		bool getPerspectiveWarping();
 	
diff --git a/src/Surfaces/TriangleSurface.cpp b/src/Surfaces/TriangleSurface.cpp
index f935644..dc44df0 100644
--- a/src/Surfaces/TriangleSurface.cpp
+++ b/src/Surfaces/TriangleSurface.cpp
@@ -135,6 +135,8 @@ void TriangleSurface::moveBy(ofVec2f v){
 
 void TriangleSurface::scaleTo(float scale){
 	cout << "TriangleSurface::scaleTo()" << endl;
+	
+	
 }
 
 int TriangleSurface::getType(){
diff --git a/src/Surfaces/TriangleSurface.h b/src/Surfaces/TriangleSurface.h
index c0f8184..7b6f76a 100644
--- a/src/Surfaces/TriangleSurface.h
+++ b/src/Surfaces/TriangleSurface.h
@@ -36,6 +36,8 @@ class TriangleSurface : public BaseSurface {
 		vector <ofVec3f> & getVertices();
 		vector <ofVec2f> & getTexCoords();
 	
+		ofRectangle & getBoundingBox(){}
+	
 		BaseSurface * clone();
 };