Stop the camera from spinning on startup

src/Application.cpp

@@ -55,7 +55,7 @@ void Application::initialize()
 	// Set GL Attributes
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
-	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
 	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
 
 	m_glContext = SDL_GL_CreateContext(m_window);
@@ -72,7 +72,7 @@ void Application::initialize()
 	glewInit();
 
 	// Create camera
-	m_camera = new Camera();
+	m_camera = new Camera(glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 1.0f, 0.0f), 90.0f, 0.0f);
 
 	// Run the engine
 	run();
@@ -114,6 +114,12 @@ void Application::handleEvents()
 	}
 
 	glm::vec2 mousepos = Input::getInstance().getMouseCoords();	
+	// Force mouse to the center of the screen
+	SDL_SetWindowGrab(m_window, SDL_TRUE);
+	SDL_WarpMouseInWindow(m_window, m_width/2, m_height/2);
+
+	// Handle Camera Movement
+	m_camera->processMouseMovement(-(m_width/2 - mousepos.x), m_height/2 - mousepos.y, GL_TRUE);
 
 	// Handle Camera Movement Keys
 	if(Input::getInstance().isKeyDown(SDLK_w))
@@ -131,12 +137,6 @@ void Application::handleEvents()
 	// Handle Camera Zoom
 	m_camera->processMouseScroll((float) Input::getInstance().getMouseWheelVertical() / 10.0f);
 
-	// Force mouse to the center of the screen
-	SDL_WarpMouseInWindow(m_window, m_width/2, m_height/2);
-
-	// Handle Camera Movement
-	m_camera->processMouseMovement(-(m_width/2 - mousepos.x), m_height/2 - mousepos.y, GL_TRUE);
-
 	// Print mouse position on click
 	if(Input::getInstance().isKeyPressed(SDL_BUTTON_LEFT))
 		std::cout << "mX: " << mousepos.x << " mY: " << mousepos.y << std::endl;
@@ -154,6 +154,9 @@ void Application::run()
 	m_last = 0;
 
 	// TEST CODE
+	SDL_ShowCursor(SDL_DISABLE);
+	Input::getInstance().setMouseCoords(m_width/2, m_height/2);
+
 	static const GLfloat vertices[] = {
 		-1.0f,-1.0f,-1.0f,      0.0f, 1.0f, 1.0f, // triangle 1 : begin
 		-1.0f,-1.0f, 1.0f,      0.0f, 1.0f, 1.0f,
@@ -218,7 +221,6 @@ void Application::run()
 	skyboxShader.setAttribute("color", 3, GL_FALSE, 6, 3, GL_FLOAT);
 
 	glEnable(GL_DEPTH_TEST);
-	SDL_ShowCursor(SDL_DISABLE);
 
 	// END TEST CODE
 
@@ -230,13 +232,13 @@ void Application::run()
 		handleEvents();
 
 		// Clear color buffer
-		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 		glClearColor(0.39f, 0.58f, 0.93f, 1.f);
+		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
 		deltaTime = ((m_now - m_last) / (double)SDL_GetPerformanceFrequency());
 
 		// TEST CODE
-		
+
 		glm::vec3 cameraPos = m_camera->getPosition();
 
 		glm::mat4 projection = glm::perspective(m_camera->getFOV(), (GLfloat)m_width/(GLfloat)m_height, 0.1f, 100.0f);

src/Application.h

@@ -33,10 +33,9 @@ class Application : public Singleton<Application>
 		friend class Singleton<Application>;
 	private:
 		int m_width, m_height;
-		
+
 		Camera* m_camera;
 		SDL_Window* m_window;
-		SDL_Event m_event;
 		SDL_GLContext m_glContext;
 
 		GLuint m_now;