Add pure virtual `BaseSurface::scaleTo()` method

src/Surfaces/BaseSurface.h

@@ -22,6 +22,7 @@ class BaseSurface {
 		virtual void setTexCoord(int index, ofVec2f t) = 0;
 		virtual void setTexCoords(vector<ofVec2f> t) = 0;
 		virtual void moveBy(ofVec2f v) = 0;
+		virtual void scaleTo(float scale) = 0;
 	
         virtual int getType() = 0;
 	

src/Surfaces/GridWarpSurface.h

@@ -15,6 +15,7 @@ class GridWarpSurface : public BaseSurface {
 		void setup();
 		void draw();
 		void moveBy(ofVec2f v);
+		void scaleTo(float scale){}
 	
 		int getType();
 		int getGridRows();

src/Surfaces/QuadSurface.h

@@ -27,6 +27,7 @@ class QuadSurface : public BaseSurface {
 		void setTexCoords(vector<ofVec2f> t);
 	
 		void moveBy(ofVec2f v);
+		void scaleTo(float scale){} // TODO: fill this
 
 		int getType();
 		bool hitTest(ofVec2f p);

src/Surfaces/TriangleSurface.cpp

@@ -133,6 +133,10 @@ void TriangleSurface::moveBy(ofVec2f v){
 	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
+void TriangleSurface::scaleTo(float scale){
+	cout << "TriangleSurface::scaleTo()" << endl;
+}
+
 int TriangleSurface::getType(){
 	return SurfaceType::TRIANGLE_SURFACE;
 }

src/Surfaces/TriangleSurface.h

@@ -25,6 +25,7 @@ class TriangleSurface : public BaseSurface {
 		void setTexCoords(vector<ofVec2f> t);
 	
 		void moveBy(ofVec2f v);
+		void scaleTo(float scale);
 
 		int getType();
 		bool hitTest(ofVec2f p);