// function normalize()
//{
// magnitude = sqrt(x * x + y * y)
// if (magnitude > 0.0)
// {
// x = x / magnitude
// y = y / magnitude
// }
//}
public void NormalizePos(PositionParams pvPositionParams)
{
double magnitude = Math.Sqrt((pvPositionParams.PosX * pvPositionParams.PosX) + (pvPositionParams.PosY * pvPositionParams.PosY));
if (magnitude > 0)
{
pvPositionParams.PosX = pvPositionParams.PosX / magnitude;
pvPositionParams.PosY = pvPositionParams.PosY / magnitude;
}
}
/** while the planet is in orbit its velocity is the rate at which the angle changes
* and its new position is based on that and its distance from the sun centre (Radius of the orbit)
* */
//void orbit ()
//{
// int x = 0, y = 0;
// fixed angle = itofix (0);
// fixed angle_stepsize = itofix (1);
// // These determine the radius of the orbit.
// // See what happens if you change length_x to 100 :)
// int length_x = 50;
// int length_y = 50;
// // repeat this until a key is pressed
// while (!keypressed())
// {
// // erase the point from the old position
// //putpixel (screen,
// // fixtoi(x) + SCREEN_W / 2, fixtoi(y) + SCREEN_H / 2,
// // makecol (0, 0, 0));
// // calculate the new position
// x = length_x * fcos (angle);
// y = length_y * fsin (angle);
// // draw the point in the new position
// putpixel (screen,
// fixtoi(x) + SCREEN_W / 2, fixtoi(y) + SCREEN_H / 2,
// makecol (255, 255, 255));
// // increment the angle so that the point moves around in circles
// angle += angle_stepsize;
// // make sure angle is in range
// angle &= 0xFFFFFF;
// // wait 10 milliseconds, or else it'd go too fast
// rest (10);
// }
//}
// constructor
public Planet(Sun pvSun, PositionParams pvPosition, string pvName, double pvSatelitePullRadius)
{
nextID = nextID + 1;
objSun = pvSun;
objPosition = pvPosition;
strName = pvName;
dblSatellitePullRadius = pvSatelitePullRadius;
planetID = nextID;
orbitDistance = DistanceTravelled(0, 360);
bPlanetMoon = false;
}
// constructor
public Satellite(Planet pvPlanet, PositionParams pvPosition, bool pvInOrbit, List <Planet> pvlstPlanets)
{
objPlanet = pvPlanet;
// set the first planet as the home planet
objHomePlanet = pvPlanet;
objLastPlanet = pvPlanet;
objPosition = pvPosition;
// update the interplanetary position using a vector
interPlanetarySpeed = 5;
interPlanetaryAngle = 0;
objDirection = new PositionParams();
bInOrbit = pvInOrbit;
angleAroundPlanet = 0;
lastInterPlanetaryAngle = 0;
interPlanetaryIncrement = 0;
interPlanetaryLaunchAngle = 0;
bUseZero = true;
lastAngle = 0;
lstPlanetsToVisit = pvlstPlanets;
// start with an empty list pf planets. When this list matches the list of planets in the system including the home planet the
// satellite has visited every planet
lstPlanetsVisited = new List <Planet>();
distanceTravelled = 0;
lastPlanetAngle = 0;
bInitialised = false;
bCompletedTrip = false;
}
// // make the length of direction one
//direction.normalize()
//// set the velocity of the bullet
//bullet.velocity = speed * direction
//// remember, the above code is the same as
//bullet.velocity.x = speed * direction.x
//bullet.velocity.y = speed * direction.y
//// since speed is just a number value, not a vector, it
//// scales both components equalily
public void UpdateInterPlanetaryPosition2()
{
// TODO: how to set the direction based on the current position of the satellite
PositionParams objDestination = new PositionParams();
objDestination.PosX = 250;
objDestination.PosY = 500;
//PositionParams objDirection = new PositionParams();
// the above code is really just shorthand for
//direction.x = player.position.x - turret.position.x
//direction.y = player.position.y - turret.position.y
objDirection.PosX = objDestination.PosX - objPosition.PosX;
objDirection.PosY = objDestination.PosY - objPosition.PosY;
NormalizePos(objDirection);
// TODO: check for overshoot destination should always be edge of screen - up to code to check whether we have gone into orbit again)
objPosition.PosX = objPosition.PosX + (interPlanetarySpeed * objDirection.PosX);
// TODO: check for overshoot
objPosition.PosY = objPosition.PosY + (interPlanetarySpeed * objDirection.PosY);
}
// constructor loads the objects in the system
public MainWindow()
{
InitializeComponent();
// initialise the model
lstPlanets = new List <Planet>();
lstPlanetUI = new List <PlanetUI>();
NINETY_DEGREES_AS_RADIANS = 90 * (Pi / 180);
// sun
{
PositionParams objSunPosition = new PositionParams();
objSunPosition.PosX = 550;
objSunPosition.PosY = 500;
objSunPosition.Angle = 100;
objSunPosition.Velocity = 0;
objSun = new Sun(objSunPosition);
objSunPlanet = new Planet(objSun, objSunPosition, "Sun", 40);
Ellipse objSunEllipse = new Ellipse();
objSunEllipse.Stroke = System.Windows.Media.Brushes.Orange;
objSunEllipse.Fill = System.Windows.Media.Brushes.Yellow;
objSunEllipse.HorizontalAlignment = HorizontalAlignment.Left;
objSunEllipse.VerticalAlignment = VerticalAlignment.Center;
objSunEllipse.Width = 30;
objSunEllipse.Height = 30;
objSunUI = new PlanetUI(objSunPlanet, objSunEllipse);
Canvas.SetLeft(objSunUI.Ellipse, objSunPosition.PosX);
Canvas.SetTop(objSunUI.Ellipse, objSunPosition.PosY);
mainCanvas.Children.Add(objSunUI.Ellipse);
}
// mars
{
PositionParams objPlanetParams = new PositionParams();
objPlanetParams.PosX = 250;
objPlanetParams.PosY = 250;
objPlanetParams.Angle = 100;
// was 0.003
objPlanetParams.Velocity = 0.005;
// was 400
objPlanetParams.Radius = 200;
double dblMarsPullRadius = 20;
objPlanet = new Planet(objSun, objPlanetParams, "Mars", dblMarsPullRadius);
lstPlanets.Add(objPlanet);
Ellipse objPlanetEllipse = new Ellipse();
objPlanetEllipse.Stroke = System.Windows.Media.Brushes.Red;
objPlanetEllipse.Fill = System.Windows.Media.Brushes.DarkBlue;
objPlanetEllipse.HorizontalAlignment = HorizontalAlignment.Left;
objPlanetEllipse.VerticalAlignment = VerticalAlignment.Center;
objPlanetEllipse.Width = 10;
objPlanetEllipse.Height = 10;
objPlanetUI = new PlanetUI(objPlanet, objPlanetEllipse);
lstPlanetUI.Add(objPlanetUI);
Canvas.SetLeft(objPlanetUI.Ellipse, objPlanetParams.PosX);
Canvas.SetTop(objPlanetUI.Ellipse, objPlanetParams.PosY);
mainCanvas.Children.Add(objPlanetUI.Ellipse);
// moon around mars
//{
// PositionParams objMoonParams = new PositionParams();
// objMoonParams.PosX = 50;
// objMoonParams.PosY = 50;
// objMoonParams.Angle = 100;
// // was 0.003
// objMoonParams.Velocity = 0.070;
// // was 400
// objMoonParams.Radius = 50;
// double dblMoonPullRadius = 10;
// objPlanetMoon = new Planet(objPlanet, objMoonParams, "MarsMoon", dblMoonPullRadius);
// lstPlanets.Add(objPlanetMoon);
// Ellipse objMoonEllipse = new Ellipse();
// objMoonEllipse.Stroke = System.Windows.Media.Brushes.DarkOrange;
// objMoonEllipse.Fill = System.Windows.Media.Brushes.DarkOrange;
// objMoonEllipse.HorizontalAlignment = HorizontalAlignment.Left;
// objMoonEllipse.VerticalAlignment = VerticalAlignment.Center;
// objMoonEllipse.Width = 5;
// objMoonEllipse.Height = 5;
// objPlanetMoonUI = new PlanetUI(objPlanetMoon, objMoonEllipse);
// lstPlanetUI.Add(objPlanetMoonUI);
// Canvas.SetLeft(objPlanetMoonUI.Ellipse, objMoonParams.PosX);
// Canvas.SetTop(objPlanetMoonUI.Ellipse, objMoonParams.PosY);
// mainCanvas.Children.Add(objPlanetMoonUI.Ellipse);
//}
}
// earth
{
PositionParams objPlanet2Params = new PositionParams();
objPlanet2Params.PosX = 150;
objPlanet2Params.PosY = 150;
objPlanet2Params.Angle = 100;
objPlanet2Params.Velocity = 0.01;
objPlanet2Params.Radius = 150;
double dblEarthPullRadius = 15;
objPlanet2 = new Planet(objSun, objPlanet2Params, "Earth", dblEarthPullRadius);
lstPlanets.Add(objPlanet2);
Ellipse objPlanet2Ellipse = new Ellipse();
objPlanet2Ellipse.Stroke = System.Windows.Media.Brushes.Blue;
objPlanet2Ellipse.Fill = System.Windows.Media.Brushes.LightBlue;
objPlanet2Ellipse.HorizontalAlignment = HorizontalAlignment.Left;
objPlanet2Ellipse.VerticalAlignment = VerticalAlignment.Center;
objPlanet2Ellipse.Width = 10;
objPlanet2Ellipse.Height = 10;
objPlanetUI2 = new PlanetUI(objPlanet2, objPlanet2Ellipse);
lstPlanetUI.Add(objPlanetUI2);
Canvas.SetLeft(objPlanetUI2.Ellipse, objPlanet2Params.PosX);
Canvas.SetTop(objPlanetUI2.Ellipse, objPlanet2Params.PosY);
mainCanvas.Children.Add(objPlanetUI2.Ellipse);
}
// venus
{
PositionParams objPlanet3Params = new PositionParams();
objPlanet3Params.PosX = 160;
objPlanet3Params.PosY = 160;
objPlanet3Params.Angle = 100;
objPlanet3Params.Velocity = 0.01;
objPlanet3Params.Radius = 50;
double dblVenusPullRadius = 15;
objPlanet3 = new Planet(objSun, objPlanet3Params, "Venus", dblVenusPullRadius);
lstPlanets.Add(objPlanet3);
Ellipse objPlanet3Ellipse = new Ellipse();
objPlanet3Ellipse.Stroke = System.Windows.Media.Brushes.Gold;
objPlanet3Ellipse.Fill = System.Windows.Media.Brushes.Goldenrod;
objPlanet3Ellipse.HorizontalAlignment = HorizontalAlignment.Left;
objPlanet3Ellipse.VerticalAlignment = VerticalAlignment.Center;
objPlanet3Ellipse.Width = 10;
objPlanet3Ellipse.Height = 10;
objPlanetUI3 = new PlanetUI(objPlanet3, objPlanet3Ellipse);
lstPlanetUI.Add(objPlanetUI3);
Canvas.SetLeft(objPlanetUI3.Ellipse, objPlanet3Params.PosX);
Canvas.SetTop(objPlanetUI3.Ellipse, objPlanet3Params.PosY);
mainCanvas.Children.Add(objPlanetUI3.Ellipse);
}
// Jupiter
{
PositionParams objPlanet4Params = new PositionParams();
objPlanet4Params.PosX = 165;
objPlanet4Params.PosY = 165;
objPlanet4Params.Angle = 100;
objPlanet4Params.Velocity = 0.009;
objPlanet4Params.Radius = 420;
double dblSaturnPullRadius = 30;
objPlanet4 = new Planet(objSun, objPlanet4Params, "Jupiter", dblSaturnPullRadius);
lstPlanets.Add(objPlanet4);
Ellipse objPlanet4Ellipse = new Ellipse();
objPlanet4Ellipse.Stroke = System.Windows.Media.Brushes.Blue;
objPlanet4Ellipse.Fill = System.Windows.Media.Brushes.DarkBlue;
objPlanet4Ellipse.HorizontalAlignment = HorizontalAlignment.Left;
objPlanet4Ellipse.VerticalAlignment = VerticalAlignment.Center;
objPlanet4Ellipse.Width = 12;
objPlanet4Ellipse.Height = 12;
objPlanetUI4 = new PlanetUI(objPlanet4, objPlanet4Ellipse);
lstPlanetUI.Add(objPlanetUI4);
Canvas.SetLeft(objPlanetUI4.Ellipse, objPlanet4Params.PosX);
Canvas.SetTop(objPlanetUI4.Ellipse, objPlanet4Params.PosY);
mainCanvas.Children.Add(objPlanetUI4.Ellipse);
}
// saturn
{
PositionParams objPlanet5Params = new PositionParams();
objPlanet5Params.PosX = 170;
objPlanet5Params.PosY = 170;
objPlanet5Params.Angle = 100;
objPlanet5Params.Velocity = 0.008;
objPlanet5Params.Radius = 450;
double dblPlanet5PullRadius = 40;
objPlanet5 = new Planet(objSun, objPlanet5Params, "Saturn", dblPlanet5PullRadius);
lstPlanets.Add(objPlanet5);
Ellipse objPlanet5Ellipse = new Ellipse();
objPlanet5Ellipse.Stroke = System.Windows.Media.Brushes.Green;
objPlanet5Ellipse.Fill = System.Windows.Media.Brushes.DarkGreen;
objPlanet5Ellipse.HorizontalAlignment = HorizontalAlignment.Left;
objPlanet5Ellipse.VerticalAlignment = VerticalAlignment.Center;
objPlanet5Ellipse.Width = 15;
objPlanet5Ellipse.Height = 15;
objPlanetUI5 = new PlanetUI(objPlanet5, objPlanet5Ellipse);
lstPlanetUI.Add(objPlanetUI5);
Canvas.SetLeft(objPlanetUI5.Ellipse, objPlanet5Params.PosX);
Canvas.SetTop(objPlanetUI5.Ellipse, objPlanet5Params.PosY);
mainCanvas.Children.Add(objPlanetUI5.Ellipse);
}
// satellite
{
PositionParams objSatelliteParams = new PositionParams();
objSatelliteParams.PosX = 0;
objSatelliteParams.PosY = 0;
objSatelliteParams.Angle = 100;
// 20/11/16 original test params
objSatelliteParams.Velocity = 0.08;
//objSatelliteParams.Radius = 20;
//objSatelliteParams.Velocity = 0.2;
// was 40
objSatelliteParams.Radius = 20;
// start round earth
objSatellite = new Satellite(objPlanet2, objSatelliteParams, false, lstPlanets);
Ellipse objSatelliteEllipse = new Ellipse();
objSatelliteEllipse.Stroke = System.Windows.Media.Brushes.Black;
objSatelliteEllipse.Fill = System.Windows.Media.Brushes.Red;
objSatelliteEllipse.HorizontalAlignment = HorizontalAlignment.Left;
objSatelliteEllipse.VerticalAlignment = VerticalAlignment.Center;
objSatelliteEllipse.Width = 10;
objSatelliteEllipse.Height = 10;
objSatelliteUI = new SatelliteUI(objSatellite, objSatelliteEllipse);
Canvas.SetLeft(objSatelliteUI.Ellipse, objSatelliteParams.PosX);
Canvas.SetTop(objSatelliteUI.Ellipse, objSatelliteParams.PosY);
mainCanvas.Children.Add(objSatelliteUI.Ellipse);
}
// initialise view observer
objViewObserver = new ViewObserver(this, lstPlanetUI, objSatelliteUI);
// initialise runitme controller
objTravellerRunTime = new TravellerRunTime(lstPlanets, objSatellite, objSun, objViewObserver);
// set true to use debugging window
bDebug = false;
if (bDebug)
{
bTracePlanets = false;
bTraceSatOrbit = false;
bTraceSatTravel = false;
bStep = false;
objDebugWindow = new DebugWindow(this);
objDebugWindow.Show();
}
// start the main thread running
objTravellerRunTime.StartRunning();
}
public Sun(PositionParams pvPosition)
{
objPosition = pvPosition;
}
