18 May 2008

Google Maps API for Flash without MXML

In the Google Maps API for Flash tutorial, a sample using MXML is introduced. But MXML is not required, because com.google.maps.Map class derives from Sprite class.

The following sample demonstrates how to rotate and blur the map without MXML.

Here is the code:

package {
    import flash.events.Event;
    import flash.geom.Matrix;
    import flash.filters.BlurFilter;
    import com.google.maps.Map;
    import com.google.maps.MapEvent;
    import com.google.maps.MapType;
    import com.google.maps.LatLng;

    public class GoogleGuruGuru extends Map {
        public function GoogleGuruGuru() {
            super();
            key = "ABQIAAAA6de2NwhEAYfH7t7oAYcX3xRWPxFShKMZYAUclLzloAj2mNQgoRQZnk8BRyG0g_m2di3bWaT-Ji54Lg";

            addEventListener(MapEvent.MAP_READY, function(event:Event):void{
                setCenter(new LatLng(35.003759, 135.769322), 18, MapType.NORMAL_MAP_TYPE);
            });

            var r:int = 0;
            var scale:Number = 1;
            addEventListener("enterFrame", function(event:Event):void{
                r = (r + 1) % 360;
                var rad:Number = 2 * Math.PI * r / 360;

                var matrix:Matrix = new Matrix();
                matrix.translate(-stage.stageWidth / 2, -stage.stageHeight / 2);
                matrix.rotate(rad);
                matrix.translate(stage.stageWidth / 2, stage.stageHeight / 2);
                transform.matrix = matrix;
            });

            stage.addEventListener("mouseDown", function(event:Event):void{
                filters = [new BlurFilter(10, 10)];
            }, true);
            stage.addEventListener("mouseUp", function(event:Event):void{
                filters = [];
            });
        }
    }
}