diff --git a/sources/main.cpp b/sources/main.cpp
index a894578..dcb28fd 100755
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -401,13 +401,13 @@
 	//light info
 	//Color l0_col(0.1f, 0.1f, 0.1f);
 	//AmbientLight light0(l0_col, GL_LIGHT0);
-	//Color l0_col(0.3f, 0.3f, 0.3f);
-	//Vec l0_pos(0.0f, 10.0f, 10.0f);
-	//SpecularLight light0(l0_pos, l0_col, GL_LIGHT0);
+	Color l0_col(0.3f, 0.3f, 0.3f);
+	Vec l0_pos(0.0f, -10.0f, -10.0f);
+	SpecularLight light0(l0_pos, l0_col, GL_LIGHT0);
 
-	//Vec l1_pos(10.0f, 10.0f, 10.0f);
-	//Color l1_col(0.0f, 0.5f, 1.0f);
-	//DiffuseLight light1(l1_pos, l1_col, GL_LIGHT1);
+	Vec l1_pos(-10.0f, -10.0f, -10.0f);
+	Color l1_col(0.0f, 0.5f, 1.0f);
+	DiffuseLight light1(l1_pos, l1_col, GL_LIGHT1);
 
 	//glEnable(GL_COLOR_MATERIAL);
 
@@ -521,10 +521,10 @@
 
 		  // lights
 		  if (keystate[SDLK_1]) {
-			//light0.flip();
+			light0.flip();
 		  }
 		  else if (keystate[SDLK_2]) {
-			//light1.flip();
+			light1.flip();
 		  }
 		  else {
 			react_keyevent = 0;
diff --git a/sources/poly.cpp b/sources/poly.cpp
index b748875..0fdf310 100755
--- a/sources/poly.cpp
+++ b/sources/poly.cpp
@@ -29,6 +29,7 @@
 
 Poly::Poly(std::vector<Vec*> & _points, Color _color) {
 	delta = 0.0f;
+	scaleFactor = 1.0f;
 	drawNormals = false;
 	position = new Vec(0,0,0);
 	rotation = new Vec(0,0,0);	
@@ -47,6 +48,7 @@
 
 Poly::Poly(std::vector<Vec*> & _points, Material _material) {
 	delta = 0.0f;
+	scaleFactor = 1.0f;
 	drawNormals = false;
 	position = new Vec(0,0,0);
 	rotation = new Vec(0,0,0);