From 01db6d2e4e19bbecb6c246b86f15c58b6851cfd2 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Wed, 17 Aug 2016 21:50:59 +0200
Subject: [PATCH] Implement `TriangleSurface::scaleTo()` method

---
 src/Surfaces/TriangleSurface.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Surfaces/TriangleSurface.cpp b/src/Surfaces/TriangleSurface.cpp
index 03a89fc..eba3436 100644
--- a/src/Surfaces/TriangleSurface.cpp
+++ b/src/Surfaces/TriangleSurface.cpp
@@ -136,7 +136,14 @@ void TriangleSurface::moveBy(ofVec2f v){
 void TriangleSurface::scaleTo(float scale){
 	cout << "TriangleSurface::scaleTo()" << endl;
 	
+	ofVec3f centroid = mesh.getCentroid();
+	for(unsigned int i = 0; i < mesh.getVertices().size(); ++i){
+		ofVec3f d = mesh.getVertices()[i] - centroid;
+		d *= scale;
+		mesh.getVertices()[i] = centroid + d;
+	}
 	
+	ofNotifyEvent(verticesChangedEvent, mesh.getVertices(), this);
 }
 
 int TriangleSurface::getType(){