Jonathan - thanks for the idea & outlining the algorithm! Hong007 - thanks for the working example. Works well! Wouldn't be hard to modify it to allow the scrolling to progressively slow but I also like the ability to allow scrolling to continue until a mouse- click stops it.
Regards, Steve. On Jun 9, 8:58 am, hong007 <[email protected]> wrote: > I was easily similar. > > Source :http://cafe.naver.com/gisapplication/50 > > ///////////////////////////////////////////////////////////////////////////-///////////////////////////////////////////////////////////////////////////-////////////////////////////////// > <?xml version="1.0" encoding="utf-8"?> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > layout="absolute"> > <maps:Map xmlns:maps="com.google.maps.*" > id="map" key="myKey" > mapevent_mapready="onMapReady(event)" > width="100%" height="100%" > left="0" top="0"/> > <mx:Button x="116" y="169" label="▶" click="OnBtnMapMove2(event)" > height="30" width="47" id="Btn_Right0"/> > <mx:Button x="63" y="131" label="▲" click="OnBtnMapMove2(event)" > height="30" width="51" id="Btn_UP0"/> > <mx:Button x="20" y="169" label="◀" click="OnBtnMapMove2(event)" > height="30" width="45" id="Btn_Left0"/> > <mx:Button x="63" y="207" label="▼" click="OnBtnMapMove2(event)" > height="30" width="51" id="Btn_Down0"/> > > <mx:Button x="67" y="48" label="STOP" click="OnBtnSTOP()" height="30" > width="47" id="Btn_STOP" fontWeight="normal" fontSize="8"/> > <mx:Button x="63" y="10" label="▲" click="OnBtnMapMove(event)" > height="30" width="51" id="Btn_UP"/> > <mx:Button x="20" y="48" label="◀" click="OnBtnMapMove(event)" > height="30" width="45" id="Btn_Left"/> > <mx:Button x="116" y="48" label="▶" click="OnBtnMapMove(event)" > height="30" width="47" id="Btn_Right"/> > <mx:Button x="63" y="84" label="▼" click="OnBtnMapMove(event)" > height="30" width="51" id="Btn_Down"/> > > <mx:Script> > <![CDATA[ > import com.google.maps.LatLng; > import com.google.maps.Map; > import com.google.maps.LatLngBounds; > import com.google.maps.MapOptions; > import com.google.maps.MapType; > import com.google.maps.MapMouseEvent; > > private function onMapReady(event:Event):void > { > this.map.setCenter(new LatLng(37.560327,126.950185), 13, > MapType.HYBRID_MAP_TYPE); > var myMapOptions:MapOptions = new MapOptions(); > myMapOptions.zoom = 13; > myMapOptions.center = new > LatLng(37.560327,126.950185); > myMapOptions.mapType = MapType.HYBRID_MAP_TYPE; > this.map.setInitOptions(myMapOptions); > this.map.enableScrollWheelZoom(); > this.map.addEventListener(MapMouseEvent.MOUSE_UP, > onMapMouseUp); > this.map.addEventListener(MapMouseEvent.MOUSE_DOWN, > onMapMouseDown); > } > > private var MouseDownPoint : Point; > private var MouseUpPoint : Point; > > private function onMapMouseDown(event:Event):void{ > OnMapMove(0,0,0); > MouseDownPoint = new Point(map.contentMouseX, > map.contentMouseY); > } > > private function onMapMouseUp(event:Event):void{ > MouseUpPoint = new Point(map.contentMouseX, > map.contentMouseY); > > if (MouseUpPoint.toString() != MouseDownPoint.toString()) { > var PointAngle : Number = GetAngle(MouseDownPoint, > MouseUpPoint); > var Diff_X : Number = 1000* (1-(3/(map.width / > Math.abs(MouseUpPoint.x - MouseDownPoint.x)))); > var Diff_Y : Number = 1000* (1-(3/(map.height / > Math.abs(MouseUpPoint.y - MouseDownPoint.y)))); > > var ScaleMoveLat : Number; > var PointAngleSin : Number = Math.sin(PointAngle); > if (PointAngleSin == 0) ScaleMoveLat = 0; > else ScaleMoveLat = Diff_Y / PointAngleSin; > > var ScaleMoveLng : Number; > var PointAngleCos : Number = Math.cos(PointAngle); > if (PointAngleCos == 0) ScaleMoveLng = 0; > else ScaleMoveLng = -Diff_X / PointAngleCos; > > OnMapMove(0, ScaleMoveLat, ScaleMoveLng); > } > } > > private function GetAngle( p1:Point, p2:Point):Number > { //-1~0~1 > var dx:Number = p2.x - p1.x; > var dy:Number = p2.y - p1.y; > if (dx == 0){ > if (dy == 0 ) return 0; > else if (dy < 0 ) return -Math.PI/2; > else return Math.PI/2; > } else if (dy == 0){ > if (dx >= 0 ) return 0; > else return Math.PI; > } else { > return Math.atan2( dy, dx ); > } > } > private function OnBtnMapMove(event:Event):void{ > OnMapMove(0,0,0); > var ScaleMoveLat : Number = 0; > var ScaleMoveLng : Number = 0; > if(event.target == Btn_UP){ > ScaleMoveLat = 500; > ScaleMoveLng = 0; > }else if(event.target == Btn_Down){ > ScaleMoveLat = -500; > ScaleMoveLng = 0; > }else if(event.target == Btn_Left){ > ScaleMoveLat = 0; > ScaleMoveLng = -500; > }else if(event.target == Btn_Right){ > ScaleMoveLat = 0; > ScaleMoveLng = 500; > } > OnMapMove(0, ScaleMoveLat, ScaleMoveLng); > } > private function OnBtnSTOP() : void { > OnMapMove(0,0,0); > } > private function OnBtnMapMove2(event:Event):void{ > OnMapMove(0,0,0); > var ScaleMoveLat : Number = 0; > var ScaleMoveLng : Number = 0; > if(event.target == Btn_UP0){ > ScaleMoveLat = 500; > ScaleMoveLng = 0; > }else if(event.target == Btn_Down0){ > ScaleMoveLat = -500; > ScaleMoveLng = 0; > }else if(event.target == Btn_Left0){ > ScaleMoveLat = 0; > ScaleMoveLng = -500; > }else if(event.target == Btn_Right0){ > ScaleMoveLat = 0; > ScaleMoveLng = 500; > } > OnMapMove(50, ScaleMoveLat, ScaleMoveLng); > } > private var currentTimer:Timer = new Timer(10, 50); > private var MoveLat : Number = 0; > private var MoveLng : Number = 0; > > private function OnMapMove(TimerRepeatCount : Number, > MoveScaleLat : Number, MoveScaleLng : Number):void{ > currentTimer.stop(); > currentTimer.removeEventListener(TimerEvent.TIMER, > OnMapMoveTIMER); > currentTimer.repeatCount = TimerRepeatCount; > currentTimer.reset(); > > var MapLatLngBound : LatLngBounds = map.getLatLngBounds(); > if (MoveScaleLat == 0) MoveLat = 0; > else MoveLat = (MapLatLngBound.getNorth()- > MapLatLngBound.getSouth()) / MoveScaleLat; > if (MoveScaleLng == 0) MoveLng = 0; > else MoveLng = (MapLatLngBound.getEast()- > MapLatLngBound.getWest()) / MoveScaleLng; > > currentTimer.addEventListener(TimerEvent.TIMER, > OnMapMoveTIMER); > currentTimer.start(); > } > > public function OnMapMoveTIMER(event:TimerEvent) :void > { > var CLatLng : LatLng = new > LatLng(map.getCenter().lat()+MoveLat, > map.getCenter().lng()+MoveLng); > map.setCenter(CLatLng); > } > ]]> > </mx:Script> > > </mx:Application> > ///////////////////////////////////////////////////////////////////////////-///////////////////////////////////////////////////////////////////////////-/ > > ■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□ > 카페 :http://cafe.naver.com/gisapplication > 싸이월드:http://www.cyworld.com/srhong007 > ■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□ -- You received this message because you are subscribed to the Google Groups "Google Maps API For Flash" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-api-for-flash?hl=en.
