ConsoleApplication16.cpp

// ConsoleApplication16.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iomanip>
#include <iostream>
#include<stdio.h>
#include <cstdlib>
#include <string>
#include <iomanip>
double getaccelarate(double &, double &);
double getbrake(double &, double &);
double getcruise(double &, double &);
void outputStatusHeader();
void demo();
double updateDistanceTraveled(double &, double &);
int delta = 5;
//double brakee = 0;


double previousSpeed = 0;
double currentSpeed = 0;


using namespace std;


int main()
{
	char  command;
	//The amount of elapsed time for each calculation interval (fixed at 1 second)
	const int timeInterval = 1;
	
	
	//double currentSpeed=0;
	//convert into the distance travelled by feet
	int    totalFeetTraveled = 0;
	//the average speed travel
	int averageSpeed = 0;


	//double previousSpeed =0;
	int averageSpeed_FeetPerSecond = 0;
	int  intervalFeetTraveled = 0;
	int speed = 0;
	//the amount of time that the time will increase by
	//const int delta= 5;




	while (true)
	{
		cout << "Command:";
		cin >> command;
		switch (command)
		{


		case 'a':
			//double accelarate;
			double speed;
			speed = getaccelarate(currentSpeed, previousSpeed);
			//cout << getaccelarate;
			cout << "Accelerate"<<setw(20)<<"Accelerating"<<setw(5);
			cout << speed;
		double conve;
		conve = updateDistanceTraveled(previousSpeed, currentSpeed);
			cout <<setw(10)<<setprecision(3)<<conve<<endl;

			//updateDistanceTraveled(previousSpeed,currentSpeed);
			break;

			



		case 'b':
			double brake;
			brake = getbrake(previousSpeed, currentSpeed);
			cout << "Brake" <<setw(20)<<"Braking"<<setw(5);
			cout << brake; 
            //double brake1 = 0;
			//brake1 = updateDistanceTraveled(previousSpeed, currentSpeed);
			cout << setw(10) << setprecision(3) << conve << endl;



			/*brakee = updateDistanceTraveled(previousSpeed, currentSpeed);
			cout << setw(10) << setprecision(1) << brakee << endl;*/
			break;

		case 'c':
			double cruise;
			cruise = getcruise(previousSpeed, currentSpeed);
			cout << "Cruise" << setw(20) << "Cruising" << setw(5);
			cout << cruise;
			cout << setw(10) << setprecision(3) << conve << endl;

			//cout << setw(10) << setprecision(1) << brakee << endl;

			//updateDistanceTraveled(previousSpeed, currentSpeed);
			break;




		case 'h':
			outputStatusHeader();
			break;

		case 'd':
			demo();

			//demo unfinished
			break;
		case 'q':
			cout << " Exit program";
			exit(1);

			break;

		default:
			cout << "Invalid command" << endl;
			break;
		}



	}




	system("pause");
	return 0;
}
//converting mph to feet perhours
double updateDistanceTraveled(double &previousSpeed,double &currentSpeed)
{
	//getaccelarate(previousSpeed, currentSpeed);
	double averageSpeed = 0; 
	double averageSpeed_FeetPerSecond = 0; 
	double intervalFeetTraveled=0;
	//double totalFeetTraveled=0;
	const int timeInterval = 1;

	averageSpeed = (previousSpeed + currentSpeed) / 2;
	averageSpeed_FeetPerSecond = averageSpeed * 5280.0 / 3600.0;
	intervalFeetTraveled = averageSpeed_FeetPerSecond * timeInterval;
	return intervalFeetTraveled;
	/*totalFeetTraveled = totalFeetTraveled + intervalFeetTraveled;
	return totalFeetTraveled;*/
}

//to decrease speed
double getbrake(double &previousSpeed, double &currentSpeed)
{



	previousSpeed = currentSpeed;
	currentSpeed -= delta;

	return currentSpeed;


}
//to increase speed
double getaccelarate(double &previousSpeed, double &currentSpeed)
{


	previousSpeed = currentSpeed;
	currentSpeed = currentSpeed + delta;
	return currentSpeed;


}

// to stay in current speed
double getcruise(double &previousSpeed, double &currentSpeed)
{
	previousSpeed = currentSpeed;
	return previousSpeed;

}
//unfinished demo

void demo()

{

	cout << "Function Current State Current Speed Interval Distance Total Feet (and miles) traveled" << endl;

	cout << "-----------------------------------------------------------------------------------" << endl;

	for (int x = 1; x < 4; x++)
	{
		double speed;
		speed = getaccelarate(currentSpeed, previousSpeed);
		//cout << getaccelarate;
		cout << "Accelerate" << setw(20) << "Accelerating" << setw(5);
		cout << speed;
		double conve;
		conve = updateDistanceTraveled(previousSpeed, currentSpeed);
		cout << setw(10) << setprecision(3) << conve << endl;
		
	}

}

//for supported commands
void outputStatusHeader()

{

	cout << " supported commands\n"
		<< " a         accelerate\n"
		<< " b         brake\n"
		<< " c         cruise\n"
		<< " d         demo\n"
		<< " h         print this help text\n"
		<< " q         quit(end the  program)"
		<< endl;

}