public MapLayer(Game game, LayerServiceConfig config)
: base(game, config)
{
Transform = Matrix.Transformation(Vector3.Zero, Quaternion.Identity, Vector3.One, Vector3.Zero, Quaternion.Identity, Vector3.Zero);
sb = Game.GetService<SpriteBatch>();
RegisterMapSources();
CurrentMapSource = MapSources[0];
//Game.InputDevice.MouseMove += InputDeviceOnMouseMove;
InitShaderAndBuffer();
}
public override void Update(GameTime gameTime)
{
var rs = Game.GraphicsDevice;
Vector3 scale, translation;
Quaternion rotation;
Transform.Decompose(out scale, out rotation, out translation);
Offset = new Vector2(translation.X, translation.Y);
Zoom = scale.X * 1280;
//rs.DebugStrings.Add("Offset :" + Offset);
//rs.DebugStrings.Add("Zoom :" + Zoom);
var oldProj = CurrentMapSource.Projection;
CurrentMapSource.Update(gameTime);
CurrentMapSource = MapSources[(int)Config.MapSource];
if (!oldProj.Equals(CurrentMapSource.Projection)) {
if (OnProjectionChanged != null) {
OnProjectionChanged.Invoke(this);
}
}
var ms = Game.InputDevice.GlobalMouseOffset;
int wheelDelta = Game.InputDevice.TotalMouseScroll - oldMouseScroll;
if (wheelDelta > 0) {
ZoomMap(new Vector2(ms.X, ms.Y), 1.1f);
} else if (wheelDelta < 0) {
ZoomMap(new Vector2(ms.X, ms.Y), 0.9f);
}
oldMouseScroll = Game.InputDevice.TotalMouseScroll;
int vw = rs.DisplayBounds.Width;
int vh = rs.DisplayBounds.Height;
CenterPositionScreen = new Vector2(vw / 2, vh / 2);
CenterPositionMercator = (CenterPositionScreen - Offset) / Zoom;
if (CurrentMapSource is YandexMap) {
//CenterPositionWorld = MercatorProjectionYandex.Instance.TileToWorldPos((double)CenterPositionMercator.X * 256.0, (double)CenterPositionMercator.Y * 256.0, 0);
} else {
CenterPositionWorld = GeoHelper.TileToWorldPos(CenterPositionMercator.X, CenterPositionMercator.Y, 0);
}
DragToCenterPositionWorld();
float currentLevel = Zoom / CurrentMapSource.TileSize;
Level = (float)Math.Log(currentLevel, 2);
base.Update(gameTime);
}
