runway.cpp

飞机场模拟飞机场模拟飞机场模拟飞机场模拟

#include"runway.h"
#include<cassert>
runway::runway(unsigned int fly_time,unsigned int landing_time)
{
	minute_for_fly=fly_time;
	minute_for_landing=landing_time;
	time_left=0;
}
void runway::one_second()
{
	if(is_busy())
		time_left--;
}
void runway::start_fly()                  //开始起飞
{
	if(!is_busy())
	   time_left=minute_for_fly;
}
void runway::start_landing()               //开始降落
{
    if(!is_busy())
	time_left=minute_for_landing;
}
bool runway::is_busy()
{
	return (time_left>0);
}