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#pragma once
#include <SFML/Graphics.hpp>
struct fps_counter {
public:
fps_counter(){
if(!f.loadFromFile("../assets/fonts/Arial.ttf")){
std::cout << "couldn't find the fall back Arial font in ../assets/fonts/" << std::endl;
} else {
t.setFont(f);
}
}
void frame(double delta_time){
frame_count++;
fps_average += (delta_time - fps_average) / frame_count;
}
void draw(sf::RenderWindow *r){
t.setString(std::to_string(fps_average));
r->draw(t);
}
private:
sf::Font f;
sf::Text t;
int frame_count = 0;
double fps_average = 0;
};
inline sf::Vector3f SphereToCart(sf::Vector3f i) {
auto r = sf::Vector3f(
(i.x * sin(i.z) * cos(i.y)),
(i.x * sin(i.z) * sin(i.y)),
(i.x * cos(i.z))
);
return r;
};
inline sf::Vector3f CartToSphere(sf::Vector3f in) {
auto r = sf::Vector3f(
sqrt(in.x * in.x + in.y * in.y + in.z * in.z),
atan(in.y / in.x),
atan(sqrt(in.x * in.x + in.y * in.y) / in.z)
);
return r;
};