From ab3b0c296a7d56064a3249d31d4c71a835d767cb Mon Sep 17 00:00:00 2001
From: Sem van der Hoeven <semmer99@gmail.com>
Date: Fri, 21 May 2021 11:19:17 +0200
Subject: [PATCH] [ADD] start for object detection

---
 src/computervision/ObjectDetection.cpp | 36 ++++++++++++++++++++++++++
 src/computervision/ObjectDetection.h   | 28 ++++++++++++++++++++
 src/main.cpp                           | 10 +++++++
 wk2_fps.vcxproj                        |  2 ++
 wk2_fps.vcxproj.filters                |  6 +++++
 5 files changed, 82 insertions(+)
 create mode 100644 src/computervision/ObjectDetection.cpp
 create mode 100644 src/computervision/ObjectDetection.h

diff --git a/src/computervision/ObjectDetection.cpp b/src/computervision/ObjectDetection.cpp
new file mode 100644
index 0000000..deeb2c6
--- /dev/null
+++ b/src/computervision/ObjectDetection.cpp
@@ -0,0 +1,36 @@
+#include "ObjectDetection.h"
+namespace computervision
+{
+	cv::VideoCapture cap(0);
+	cv::Mat img, imgGray, img2, img2Gray, img3, img4;
+
+	ObjectDetection::ObjectDetection()
+	{
+	}
+
+	void ObjectDetection::readWebcam()
+	{
+		cap.read(img);
+	}
+
+	void ObjectDetection::calculateDifference()
+	{
+		cap.read(img);
+		cap.read(img2);
+
+		cv::cvtColor(img, imgGray, cv::COLOR_RGBA2GRAY);
+		cv::cvtColor(img2, img2Gray, cv::COLOR_RGBA2GRAY);
+
+		cv::absdiff(imgGray, img2Gray, img3);
+		cv::threshold(img3, img4, 50, 170, cv::THRESH_BINARY);
+
+		imshow("threshold", img4);
+	}
+
+	void ObjectDetection::showWebcam()
+	{
+		imshow("Webcam image", img);
+	}
+
+
+}
\ No newline at end of file
diff --git a/src/computervision/ObjectDetection.h b/src/computervision/ObjectDetection.h
new file mode 100644
index 0000000..dca7180
--- /dev/null
+++ b/src/computervision/ObjectDetection.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <opencv2/imgcodecs.hpp>
+#include <opencv2/highgui.hpp>
+#include <opencv2/imgproc.hpp>
+#include <opencv2/objdetect.hpp>
+#include <opencv2/videoio.hpp>
+#include <opencv2/core.hpp>
+#include <opencv2/imgproc/imgproc.hpp>
+#include <opencv2/highgui/highgui.hpp>
+
+namespace computervision
+{
+	class ObjectDetection
+	{
+	private:
+
+	public:
+		ObjectDetection();
+		void readWebcam();
+		void showWebcam();
+		void calculateDifference();
+
+	};
+
+
+}
+
diff --git a/src/main.cpp b/src/main.cpp
index 316baec..f17272d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -12,6 +12,8 @@
 #include "shaders/static_shader.h"
 #include "toolbox/toolbox.h"
 
+#include "computervision/ObjectDetection.h"
+
 #pragma comment(lib, "glfw3.lib")
 #pragma comment(lib, "glew32s.lib")
 #pragma comment(lib, "opengl32.lib")
@@ -54,6 +56,12 @@ int main(void)
     render_engine::renderer::Init(shader);
 
     entities::Camera camera(glm::vec3(0, 0, 0), glm::vec3(0, 0, 0));
+
+    computervision::ObjectDetection objDetect;
+    
+    
+
+
 	
 	// Main game loop
 	while (!glfwWindowShouldClose(window))
@@ -69,6 +77,8 @@ int main(void)
         shader.LoadViewMatrix(camera);
 		
         render_engine::renderer::Render(entity, shader);
+        
+        objDetect.calculateDifference();
 
 		// Finish up
         shader.Stop();
diff --git a/wk2_fps.vcxproj b/wk2_fps.vcxproj
index 8de3076..786b98b 100644
--- a/wk2_fps.vcxproj
+++ b/wk2_fps.vcxproj
@@ -19,6 +19,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="src\computervision\ObjectDetection.cpp" />
     <ClCompile Include="src\entities\camera.cpp" />
     <ClCompile Include="src\entities\entity.cpp" />
     <ClCompile Include="src\main.cpp" />
@@ -30,6 +31,7 @@
     <ClCompile Include="src\toolbox\toolbox.cpp" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="src\computervision\ObjectDetection.h" />
     <ClInclude Include="src\entities\camera.h" />
     <ClInclude Include="src\entities\entity.h" />
     <ClInclude Include="src\models\model.h" />
diff --git a/wk2_fps.vcxproj.filters b/wk2_fps.vcxproj.filters
index d3370e0..f005835 100644
--- a/wk2_fps.vcxproj.filters
+++ b/wk2_fps.vcxproj.filters
@@ -42,6 +42,9 @@
     <ClCompile Include="src\toolbox\toolbox.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\computervision\ObjectDetection.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\entities\Camera.h">
@@ -74,5 +77,8 @@
     <ClInclude Include="src\toolbox\toolbox.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\computervision\ObjectDetection.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file