mpri-graphics-project/periodic_updates.cpp

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2018-02-12 18:40:05 +01:00
#include "periodic_updates.hpp"
#include <ctime>
#include <GL/glut.h>
static Ball* _ball = nullptr;
static clock_t _last_time = 0;
double time_of_clocks(clock_t time) {
return ((double)time) / ((double)CLOCKS_PER_SEC);
}
void init_periodic_static(Ball* ball) {
_last_time = clock();
_ball = ball;
}
void periodic_update() {
clock_t now = clock();
_ball->update_pos(time_of_clocks(now - _last_time));
_last_time = now;
glutPostRedisplay();
}