diff --git a/src/computervision/ObjectDetection.cpp b/src/computervision/ObjectDetection.cpp
index 5f16929..47c8c80 100644
--- a/src/computervision/ObjectDetection.cpp
+++ b/src/computervision/ObjectDetection.cpp
@@ -1,4 +1,8 @@
 
+#include <opencv2/videoio.hpp>
+#include <opencv2/highgui.hpp>
+#include <opencv2/video.hpp>
+
 #include "ObjectDetection.h"
 #include "BackgroundRemover.h"
 #include "SkinDetector.h"
@@ -22,7 +26,12 @@ namespace computervision
 	{
 	}
 
-	bool ObjectDetection::setup() 
+	cv::Mat ObjectDetection::readCamera() {
+		cap.read(img);
+		return img;
+	}
+
+	bool ObjectDetection::setup()
 	{
 		if (!cap.isOpened()) {
 			cout << "Can't find camera!" << endl;
@@ -72,10 +81,29 @@ namespace computervision
 		imshow("threshold", img4);
 	}
 
+
+	cv::Mat ObjectDetection::generateHandMaskSquare(cv::Mat img)
+	{
+
+		cv::Mat mask = cv::Mat::zeros(img.size(), img.type());
+		cv::Mat dstImg = cv::Mat::zeros(img.size(), img.type());
+
+		cv::rectangle(mask, Rect(0, img.rows * 0.2, img.cols / 3, img.cols / 3), Scalar(255, 255, 255), -1);
+		//cv::circle(mask, cv::Point(mask.cols / 2, mask.rows / 2), 50, cv::Scalar(255, 0, 0), -1, 8, 0);
+
+
+		img.copyTo(dstImg, mask);
+
+		rectangle(img, Rect(0, img.rows * 0.2, img.cols / 3, img.cols / 3), Scalar(0, 255, 255, 255));
+
+		return dstImg;
+
+	}
+
 	void ObjectDetection::detect()
 	{
 		int key = waitKey(1);
-			
+
 		if (key == 98) // b
 			backgroundRemover.calibrate(frame);
 		else if (key == 115) // s
diff --git a/src/computervision/ObjectDetection.h b/src/computervision/ObjectDetection.h
index 4344ed7..2c74d44 100644
--- a/src/computervision/ObjectDetection.h
+++ b/src/computervision/ObjectDetection.h
@@ -46,6 +46,21 @@ namespace computervision
 		 */
 		void detect();
 
+		/**
+		 * @brief generates the square that will hold the mask in which the hand will be detected.
+		 * 
+		 * @param img the current camear frame
+		 * @return a matrix containing the mask
+		 */
+		cv::Mat generateHandMaskSquare(cv::Mat img);
+
+		/**
+		 * @brief reads the camera and returns it in a matrix.
+		 * 
+		 * @return the camera frame in a matrix
+		 */
+		cv::Mat readCamera();
+
 	};
 
 
diff --git a/src/main.cpp b/src/main.cpp
index 53cb0a4..f4a17a5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -67,6 +67,7 @@ int main(void)
     
     // set up object detection
     //objDetect.setup();
+    
 
 	// Main game loop
 	while (!glfwWindowShouldClose(window))
@@ -83,8 +84,7 @@ int main(void)
 		
         render_engine::renderer::Render(entity, shader);
 
-        //objDetect.setup();
-        objDetect.calculateDifference();
+        objDetect.generateHandMaskSquare(objDetect.readCamera());
 
 		// Finish up
         shader.Stop();
diff --git a/src/renderEngine/Renderer.cpp b/src/renderEngine/Renderer.cpp
index b1d2564..87e421c 100644
--- a/src/renderEngine/Renderer.cpp
+++ b/src/renderEngine/Renderer.cpp
@@ -18,7 +18,7 @@ namespace render_engine
 		void Init(shaders::StaticShader& shader)
 		{
 			const glm::mat4 projectionMatrix = 
-				glm::perspective(glm::radians(FOV), (WINDOW_WIDTH / WINDOW_HEIGT), NEAR_PLANE, FAR_PLANE);
+				glm::perspective(glm::radians(FOV), (float)(WINDOW_WIDTH / WINDOW_HEIGT), NEAR_PLANE, FAR_PLANE);
 			
 			shader.Start();
 			shader.LoadProjectionMatrix(projectionMatrix);