[ADDED] timer class

src/main.cpp

@@ -55,6 +55,11 @@ int main(void)
 
     glfwSetKeyCallback(window, [](GLFWwindow* window, int key, int scancode, int action, int mods)
         {
+            if (key == GLFW_KEY_ESCAPE)
+            {
+                glfwSetWindowShouldClose(window, true);
+            }
+    	
             current_scene->onKey(window, key, scancode, action, mods);
         });
 

src/toolbox/Timer.h

@@ -0,0 +1,46 @@
+#pragma once
+
+namespace toolbox
+{
+	/*
+	 * This class represents a timer which needs to be updated
+	 * every frame to work correctly.
+	 */
+	class Timer
+	{
+	private:
+		float current_time;
+		float final_time;
+		bool has_finished;
+
+	public:
+		/*
+		 * @brief: Constructor to make the timer
+		 *
+		 * @param final_time: The time which the timer needs to count to
+		 */
+		Timer(float final_time): current_time(0), final_time(final_time), has_finished(false) {}
+
+		/*
+		 * @brief: Updates the timer. Call this method once every iteration in the game loop
+		 *
+		 * @param delta: The deltatime of the game
+		 */
+		void UpdateTimer(const double delta)
+		{
+			current_time += delta;
+			
+			if (current_time >= final_time)
+			{
+				has_finished = true;
+			}
+		}
+
+		/*
+		 * @brief: Returns if the timer has finished
+		 *
+		 * @return: True if the timer has finished 
+		 */
+		bool HasFinished() const { return has_finished; }
+	};
+}

wk2_fps.vcxproj

@@ -64,6 +64,7 @@
     <ClInclude Include="src\shaders\shader_program.h" />
     <ClInclude Include="src\shaders\entity_shader.h" />
     <ClInclude Include="src\stb_image.h" />
+    <ClInclude Include="src\toolbox\Timer.h" />
     <ClInclude Include="src\toolbox\toolbox.h" />
     <ClInclude Include="src\scenes\startup_Scene.h" />
   </ItemGroup>
@@ -128,16 +129,16 @@
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>C:\opencv\build\include;$(IncludePath);C:\opencv\opencv\build\include</IncludePath>
+    <IncludePath>C:\opencv\build\include;$(IncludePath);C:\opencv\opencv\build\include;C:\opencv\build\include</IncludePath>
-    <LibraryPath>C:\opencv\build\x64\vc15\lib;$(LibraryPath);C:\opencv\opencv\build\x64\vc15\lib</LibraryPath>
+    <LibraryPath>C:\opencv\build\x64\vc15\lib;$(LibraryPath);C:\opencv\opencv\build\x64\vc15\lib;C:\opencv\build\x64\vc15\lib</LibraryPath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <LinkIncremental>false</LinkIncremental>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);;C:\opencv\opencv\build\include</IncludePath>
+    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);;C:\opencv\opencv\build\include;C:\opencv\build\include</IncludePath>
-    <LibraryPath>$(VC_LibraryPath_x64);$(WindowsSDK_LibraryPath_x64);C:\opencv\opencv\build\x64\vc15\lib</LibraryPath>
+    <LibraryPath>$(VC_LibraryPath_x64);$(WindowsSDK_LibraryPath_x64);C:\opencv\opencv\build\x64\vc15\lib;C:\opencv\build\x64\vc15\lib</LibraryPath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <ClCompile>
@@ -169,7 +170,7 @@
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)lib\glfw-3.3.2\$(Platform);$(SolutionDir)lib\glew-2.1.0\lib\Release\$(Platform);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>opencv_world452d.lib;%(AdditionalDependencies); opencv_world452.lib</AdditionalDependencies>
+      <AdditionalDependencies>opencv_world452d.lib;%(AdditionalDependencies); opencv_world452.lib;opencv_world452d.lib</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -210,7 +211,7 @@
       <OptimizeReferences>true</OptimizeReferences>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)lib\glfw-3.3.2\$(Platform);$(SolutionDir)lib\glew-2.1.0\lib\Release\$(Platform);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies); opencv_world452.lib</AdditionalDependencies>
+      <AdditionalDependencies>kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies); opencv_world452.lib;opencv_world452d.lib</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

wk2_fps.vcxproj.filters

@@ -152,6 +152,9 @@
     <ClInclude Include="src\computervision\BackgroundRemover.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\toolbox\Timer.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Xml Include="res\haarcascade_frontalface_alt.xml" />