Make for smoother zoom.

For those who don't know the system shortcut for closing a window.

CMakeLists.txt

@@ -25,7 +25,7 @@ project(TrippyCube C CXX)
 
 # Binary filename
 set(TARGET_NAME "trippy-cube")
-set(TARGET_VERSION "v2.0.1")
+set(TARGET_VERSION "v2.1")
 
 # Use DEBUG by default
 if(NOT CMAKE_BUILD_TYPE)

src/camera.cpp

@@ -38,7 +38,7 @@ void camera::update(const input *in_sys) {
 	std::get<1>(pos) = dist * sin(yaw);
 	std::get<2>(pos) = dist * cos(yaw) * cos(angle);
 
-	dist -= in_sys->get_scroll();
-	if(dist < 0)
-		dist = 0;
+	dist -= static_cast<float>(in_sys->get_scroll()) / 2.5f;
+	if(dist < 0.0f)
+		dist = 0.0f;
 }

src/cube.hpp

@@ -36,7 +36,7 @@ public:
 	void render();
 
 private:
-	const float color_shift = 0.0001;
+	const float color_shift = 0.005;
 	void shift_colors();
 
 	// OpenGL buffers

src/input.cpp

@@ -93,6 +93,9 @@ void input::set_key(SDL_Keysym key, bool value) {
 		case SDLK_d:
 			actions["move_right"] = value;
 			break;
+		case SDLK_ESCAPE:
+		case SDLK_q:
+			actions["quit"] = value;
 		default:
 			break;
 	}

src/simulation.cpp

@@ -39,8 +39,11 @@ void run() {
 	camera cam;
 	cube box;
 
+	unsigned int last_time = SDL_GetTicks();
+
 	while(not in_sys.get_action("quit"))
 	{
+		in_sys.sync_events();
 		cam.update(&in_sys);
 
 		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -64,9 +67,10 @@ void run() {
 		glUniformMatrix4fv(matrix_id, 1, GL_FALSE, &mvp[0][0]);
 
 		box.render();
-
 		SDL_GL_SwapWindow(window);
 
-		in_sys.sync_events();
+		if(SDL_GetTicks() - last_time < (1000 / 60))
+			SDL_Delay((1000 / 60) - (SDL_GetTicks() - last_time));
+		last_time = SDL_GetTicks();
 	}
 }