22 lines
450 B
C++
22 lines
450 B
C++
|
#pragma once
|
|||
|
|
#include <chrono>
|
|||
|
|
|
|||
|
|
namespace basalt::presenter::stopwatch {
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @brief 一个简单的FPS计算器，每隔指定次数统计一次FPS并输出
|
|||
|
|
*/
|
|||
|
|
class Stopwatch {
|
|||
|
|
public:
|
|||
|
|
Stopwatch(size_t interval);
|
|||
|
|
~Stopwatch();
|
|||
|
|
|
|||
|
|
void tick();
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
std::chrono::steady_clock::time_point start_point;
|
|||
|
|
size_t interval, counter;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
} // namespace basalt::presenter::stopwatch
|