// File: lunar.cxx
// Written by Michael Main, Sep 15, 2005
// This is a demonstration game.  The user tries to land a lunar lander.
#include <graphics.h> // Provides bgi graphics
#include <iostream>   // Provides cout
using namespace std;

// Physical constants
const double FORCE_MAIN_THRUSTER = 3000;     // kg m/s^2
const double FORCE_SIDE_THRUSTER = 30;       // kg m/s^2
const double GRAVITY = -9.8/6;               // m/s^2
const double MASS_LANDER = 1000;             // kg
const double STARTING_FUEL = 250;            // kg
const int    DELAY = 10;                     // ms
const double DELTA_T = DELAY/1000.0;         // s

// Graphical constants
const int WINDOW_WIDTH = 851; 
const int WINDOW_HEIGHT = 608;
const int GROUND_ZERO_Y = 566;
const int ROCKET_WIDTH = 86;
const int ROCKET_HEIGHT = 113;
const int BACKGROUND_BYTES = 2069656;
const int ROCKET_BYTES = 38896;

// Function prototypes

//The main program
int main( )
{
    bool main = false, left = false, right = false; // Are the thrusters on?
    double x, y;                                    // Position (m)
    
    double fuel;                                    // Remaining fuel (kg)
    double vx, vy;                                  // Velocity (m/s)
    double vr;                                      // Rotational radians/sec
    double r;                                       // Rotational pos radians
    double t;                                       // Time since start
    
    initwindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Mario", 0, 0, true);
    do
    {
	// Adjust the control variables
	
        // Adjust the physical variables
	t += DELTA_T;

        // Redraw the screen and delay
	delay(DELAY);
    } while(true);
    return 0;
}