From a7d576b74b915277542052ce1d6574e04471f5b0 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Sun, 28 Aug 2016 10:35:26 +0200
Subject: [PATCH] Add clear() and getSurfaces() methods to SurfaceStack

---
 src/Surfaces/SurfaceStack.cpp | 8 ++++++++
 src/Surfaces/SurfaceStack.h   | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/src/Surfaces/SurfaceStack.cpp b/src/Surfaces/SurfaceStack.cpp
index 2e7eea4..5618e9a 100644
--- a/src/Surfaces/SurfaceStack.cpp
+++ b/src/Surfaces/SurfaceStack.cpp
@@ -41,6 +41,14 @@ void SurfaceStack::draw(){
 	}
 }
 
+void SurfaceStack::clear(){
+	for(int i = 0; i < size(); ++i){
+		ofRemoveListener(_surfaces[i]->verticesChangedEvent, this, &SurfaceStack::onVerticesChanged);
+		ofRemoveListener(_surfaces[i]->vertexChangedEvent, this, &SurfaceStack::onVertexChanged);
+	}
+	_surfaces.clear();
+}
+
 int SurfaceStack::size(){
 	return _surfaces.size();
 }
diff --git a/src/Surfaces/SurfaceStack.h b/src/Surfaces/SurfaceStack.h
index 68084a9..19e808d 100644
--- a/src/Surfaces/SurfaceStack.h
+++ b/src/Surfaces/SurfaceStack.h
@@ -18,6 +18,7 @@ class SurfaceStack {
 		void erase(int i);
 		void swap(int a, int b);
 		void draw();
+		void clear();
 	
 		int size();
 
@@ -31,6 +32,8 @@ class SurfaceStack {
 		void onVerticesChanged(vector<ofVec3f> & vertices);
 		void onVertexChanged(int & i);
 	
+		vector<BaseSurface *> & getSurfaces(){ return _surfaces; };
+	
 	private:
 		SurfaceStack(){}