Fixed small ifdef bug, added quick-sfml-templates fps graph

include/GL_Testing.h

@@ -3,7 +3,7 @@
 #include <util.hpp>
 #include <cstring>
 
-#ifdef defined _WIN32
+#ifdef _WIN32
 #define GLEW_STATIC
 #include <GL/glew.h>
 

include/util.hpp

@@ -14,18 +14,25 @@
 
 const double PI = 3.141592653589793238463;
 const float  PI_F = 3.14159265358979f;
-
 struct fps_counter {
 public:
-	fps_counter(){
+	fps_counter() :
+		backdrop(sf::Vector2f(200, 100)), vertex_array(sf::LinesStrip) {
+
+		backdrop.setFillColor(sf::Color(0x0000003F));
+
 		if (!f.loadFromFile("../assets/fonts/Arial.ttf")) {
 			std::cout << "couldn't find the fall back Arial font in ../assets/fonts/" << std::endl;
-		} else {
+		}
+		else {
 			t.setFont(f);
+			t.setCharacterSize(18);
+			t.setColor(sf::Color::White);
 		}
 	}
 
 	void frame(double delta_time) {
+		// Apply 100 units of smoothing
 		if (frame_count == 100) {
 			frame_count = 0;
 			fps_average = 0;
@@ -41,8 +48,35 @@ public:
 			milliseconds = true;
 	}
 
+	void set_position(sf::Vector2f position) {
+		backdrop.setPosition(position);
+	}
+
+	sf::Vector2f get_position() {
+		return backdrop.getPosition();
+	}
+
 	void draw(sf::RenderWindow *r) {
 
+		// FPS Line graph
+		r->draw(backdrop);
+
+		if (vertex_position == 200)
+			vertex_position = 0;
+
+		sf::Vector2f origin = backdrop.getPosition();
+		sf::Vector2f point = origin + sf::Vector2f(vertex_position, backdrop.getSize().y - (1.0 / fps_average));
+
+		if (vertex_array.getVertexCount() < 200)
+			vertex_array.append(sf::Vertex(point, sf::Color::Red));
+		else
+			vertex_array[vertex_position] = sf::Vertex(point, sf::Color::Red);
+
+		r->draw(vertex_array);
+
+		vertex_position++;
+
+		// FPS Text
 		std::string out;
 
 		if (milliseconds)
@@ -50,16 +84,24 @@ public:
 		else
 			out = std::to_string(floor(1 / fps_average));
 
+		t.setPosition(origin);
 		t.setString(out);
 		r->draw(t);
 	}
 
 private:
-	bool milliseconds = false;
+
+	sf::RectangleShape backdrop;
+	sf::VertexArray vertex_array;
+
 	sf::Font f;
 	sf::Text t;
+
 	int frame_count = 0;
 	double fps_average = 0;
+	bool milliseconds = false;
+
+	int vertex_position = 0;
 };
 
 struct debug_text {

src/main.cpp

@@ -166,6 +166,7 @@ int main() {
 
 	// ========== DEBUG ==========
     fps_counter fps;
+	fps.set_position(sf::Vector2f(WINDOW_X - 200, WINDOW_Y - 100));
 
 	sf::Vector2f *dp = camera->get_direction_pointer();
 	debug_text cam_text_x(1, 30, &dp->x, "incli: ");