fork download
copy 
  1. #include <iostream>
  2. #include <chrono>
  3. #include <ratio>
  4.  
  5. using namespace std::chrono;
  6.  
  7. const nanoseconds timePerFrame = duration_cast<nanoseconds>(duration<steady_clock::rep, std::ratio<1, 60>>(1));
  8. nanoseconds accumulator(0);
  9. nanoseconds counter(0);
  10. steady_clock::time_point begin;
  11. int i = 0;
  12.  
  13. int main()
  14. {
  15.    while(true)
  16.    {
  17.       begin = steady_clock::now();
  18.       while(accumulator >= timePerFrame)
  19.       {
  20.           accumulator -= timePerFrame;
  21.           ++i;
  22.       }
  23.       counter += steady_clock::now() - begin;
  24.       accumulator += steady_clock::now() - begin;
  25.  
  26.       if(counter >= seconds(1))
  27.       {
  28.         std::cout << i << std::endl;
  29.         break;
  30.       }
  31.   }
  32. }
Success #stdin #stdout 2.94s 16064KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
117
https://ideone.com/yJVi86
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!