diff --git a/src/Quad.cpp b/src/Quad.cpp
index 41af0d2..ff46f71 100644
--- a/src/Quad.cpp
+++ b/src/Quad.cpp
@@ -1,4 +1,6 @@
 #include "Quad.h"
+#include <cstdlib>
+#include <stdint.h>
 
 /*Quad::Quad(Vector topL, Vector topR, Vector botR, Vector botL) {
   this->topL=topL;
@@ -6,6 +8,7 @@
   this->botR=botR;
   this->botL=botL;
 }*/
+
 Quad::Quad(Vector topLeft, int width, int height) {
   topL.x = topLeft.x;
   topL.y = topLeft.y;
@@ -15,6 +18,7 @@ Quad::Quad(Vector topLeft, int width, int height) {
   botR.y = topLeft.y-height;
   botL.x = topLeft.x;
   botL.y = topLeft.y-height;
+  center = Vector(abs(topL.x-topR.x),abs(topL.y-botL.y));
 }
 Quad::Quad(Vector corner1,Vector corner2) {
   topL.x = corner1.x;
@@ -25,6 +29,7 @@ Quad::Quad(Vector corner1,Vector corner2) {
   botR.y = corner2.y;
   botL.x = corner1.x;
   botL.y = corner2.y;
+  center = Vector(abs(topL.x-topR.x),abs(topL.y-botL.y));
 }
 Quad::Quad() {}
 
@@ -61,13 +66,25 @@ void Quad::setColor(Color c) {
 }
 
 void Quad::translate(Vector vec) {
-  topL.x += vec.x;
-  topR.x += vec.x;
-  botR.x += vec.x;
-  botL.x += vec.x;
+  if(vec.x != 0) {
+    topL.x += vec.x;
+    topR.x += vec.x;
+    botR.x += vec.x;
+    botL.x += vec.x;
+  }
+  if(vec.y != 0) {
+    topL.y += vec.y;
+    topR.y += vec.y;
+    botR.y += vec.y;
+    botL.y += vec.y;
+  }
+}
 
-  topL.y += vec.y;
-  topR.y += vec.y;
-  botR.y += vec.y;
-  botL.y += vec.y;
+std::vector<int> Quad::yvalues() {
+  std::vector<int> values;
+  values.push_back(topL.y);
+  values.push_back(topR.y);
+  values.push_back(botR.y);
+  values.push_back(botL.y);
+  return values;
 }
\ No newline at end of file
diff --git a/src/Quad.h b/src/Quad.h
index 71947e8..6696cd9 100644
--- a/src/Quad.h
+++ b/src/Quad.h
@@ -1,15 +1,18 @@
-#include "Color.h"
+#include <vector>
 #include "SDL2/SDL.h"
 #include "Vector.h"
+#include "Color.h"
 
 class Quad {
   public:
   Color color;
   Vector topL,topR,botR,botL;
+  Vector center;
   //Quad(Vector topL, Vector topR, Vector botR, Vector botL);
   Quad(Vector topLeft, int width, int height);
   Quad(Vector corner1, Vector corner2);
   Quad();
+  std::vector<int> yvalues();
   void setColor(Color c);
   void render(SDL_Renderer *renderer);
   void translate(Vector vec);