// mapmanager.js
//  Managing a GMap state.
var MAP_SCROLL_SPEED = 0.000006;

function MapManager(map) {
  this.map = map;
  this.centerX = 139.745375;
  this.centerY = 35.658020;
  this.bounds;
  this.velX = 0;
  this.velY = MAP_SCROLL_SPEED;

  this.map.centerAndZoom(new GPoint(this.centerX, this.centerY), 0);
  this.bounds = this.map.getBoundsLatLng();
  this.map.addControl(new GMapTypeControl());
  this.map.setMapType(G_SATELLITE_TYPE);
  this.map.disableDragging();
  this.map.disableInfoWindow();

  this.update = function() {
    this.centerX += this.velX;
    this.centerY += this.velY;
    //this.map.centerAtLatLng(new GPoint(this.centerX, this.centerY));
    this.map.recenterOrPanToLatLng(new GPoint(this.centerX, this.centerY));
    this.bounds = this.map.getBoundsLatLng();
  }
}