/// <summary>
/// Creates new instance of the tank object.
/// </summary>
/// <param name="game">Associated game object.</param>
/// <param name="spriteBatch">A sprite batch that can be used to draw on the display.</param>
/// <param name="tankTexture">The tank's texture.</param>
/// <param name="viewer">Associated <see cref="BingMapsViewer"/> over which the tank navigates.</param>
/// <param name="startUpPosition">The tank's initial on-screen position.</param>
/// <param name="pushPins">List of push-pins that the tank needs to follow.</param>
public Tank(Game game, SpriteBatch spriteBatch, Texture2D tankTexture, BingMapsViewer viewer,
Vector2 startUpPosition, LinkedList <PushPin> pushPins)
: base(game)
{
this.spriteBatch = spriteBatch;
this.viewer = viewer;
this.tankTexture = tankTexture;
this.pushPins = pushPins;
// Gets the center point of the map displayed
Vector2 positionOnMap = TileSystem.LatLongToPixelXY(viewer.CenterGeoCoordinate, viewer.ZoomLevel)
- viewer.Offset;
// Calculate the distance between the center of the screen and the tank's initial position
Vector2 distance = startUpPosition - BingMapsViewer.ScreenCenter;
Vector2 startUpPointOnMap = positionOnMap + distance + new Vector2(32, 32);
// Gets the tank's initial geo-coordinate
currentGeoPosition = TileSystem.PixelXYToLatLong(startUpPointOnMap, viewer.ZoomLevel);
RoutingMode = BingRoutingMode.Driving;
ShouldDrawRoute = false;
routeRender = new RouteRender(game.GraphicsDevice);
tankOrigin = new Vector2(tankTexture.Width / 2, tankTexture.Height / 2);
}
/// <summary>
/// Creates a new push-pin instance.
/// </summary>
/// <param name="bingMapsViewer">The associated <see cref="BingMapsViewer"/> that will draw the
/// pushpin.</param>
/// <param name="location">The geo-coordinate where the push-pin should be placed.</param>
/// <param name="texture">The texture used to render the push-pin.</param>
public PushPin(BingMapsViewer bingMapsViewer, GeoCoordinate location, Texture2D texture)
{
this.ID = Guid.NewGuid();
this.bingMapsViewer = bingMapsViewer;
Location = location;
this.texture = texture;
screenBounds = bingMapsViewer.SpriteBatch.GraphicsDevice.Viewport.Bounds;
}
/// <summary>
/// Load Bing maps assets.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures
spriteBatch = new SpriteBatch(GraphicsDevice);
// Loads assets
blank = Content.Load <Texture2D>("blank");
buttonFont = Content.Load <SpriteFont>("Font");
tankTexture2D = Content.Load <Texture2D>("tank");
pushPinTexture2D = Content.Load <Texture2D>("pushpin");
Texture2D defaultImage = Content.Load <Texture2D>("noImage");
Texture2D unavailableImage = Content.Load <Texture2D>("noImage");
// Creates the button that allows the user to switch between maps
switchViewButton = new Button("Switch to\nRoad View", buttonFont, Color.White,
new Rectangle(10, 10, 110, 60), Color.Black, blank, spriteBatch);
switchViewButton.Click += switchViewButton_Click;
// The coordinate that the app will focus
startingCoordinate = new GeoCoordinate(47.639597, -122.12845);
bingMapsViewer = new BingMapsViewer(BingAppKey, defaultImage, unavailableImage,
startingCoordinate, 5, ZoomLevel, spriteBatch);
tank = new Tank(this, spriteBatch, tankTexture2D, bingMapsViewer, new Vector2(400, 240), pushPins);
Components.Add(tank);
changeRotuingModeButton = new Button(string.Format("Switch to\n{0}", Tank.BingRoutingMode.Walking),
buttonFont, Color.White, new Rectangle(10, 80, 110, 60), Color.Black, blank, spriteBatch);
changeRotuingModeButton.Click += new EventHandler(changeRotuingModeButton_Click);
serachButton = new Button("Search",
buttonFont, Color.White, new Rectangle(680, 10, 110, 60), Color.Black, blank, spriteBatch);
serachButton.Click += new EventHandler(serachButton_Click);
drawRouteButton = new Button("Show\nRoute",
buttonFont, Color.White, new Rectangle(680, 80, 110, 60), Color.Black, blank, spriteBatch);
drawRouteButton.Click += new EventHandler(drawRouteButton_Click);
clearPushPinsButton = new Button("Clear Road",
buttonFont, Color.White, new Rectangle(680, 160, 110, 60), Color.Black, blank, spriteBatch);
clearPushPinsButton.Click += new EventHandler(clearPushPinsButton_Click);
}
/// <summary>
/// Load Bing maps assets.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures
spriteBatch = new SpriteBatch(GraphicsDevice);
blank = Content.Load <Texture2D>("blank");
buttonFont = Content.Load <SpriteFont>("Font");
switchViewButton = new Button("Switch to\nRoad view", buttonFont, Color.White,
new Rectangle(10, 10, 100, 60), Color.Black, blank, spriteBatch);
switchViewButton.Click += switchViewButton_Click;
startingCoordinate = new GeoCoordinate(47.639597, -122.12845);
Texture2D defaultImage = Content.Load <Texture2D>("noImage");
Texture2D unavailableImage = Content.Load <Texture2D>("noImage");
bingMapsViewer = new BingMapsViewer(BingAppKey, defaultImage, unavailableImage,
startingCoordinate, 5, 15, spriteBatch);
}
