Changeset 2421 for lang/actionscript/swfgmap

Timestamp:

12/04/07 17:36:33 (13 months ago)

Author:

gyuque

Message:

lang/actionscript/swfgmap

Location:

lang/actionscript/swfgmap/trunk

Files:

• TestApp.as (modified) (1 diff)
• gyuque/gmap/GMapCalc.as (modified) (1 diff)
• gyuque/gmap/GMapMapLayer.as (modified) (2 diffs)
• gyuque/gmap/GMapView.as (modified) (1 diff)
• gyuque/gmap/GMapViewport.as (modified) (3 diffs)

lang/actionscript/swfgmap/trunk/TestApp.as

@@ -17 +17 @@
                         stage.scaleMode = StageScaleMode.NO_SCALE;
                         
-                        var vp:GMapViewport = new GMapViewport(36.09992, 139.65497, 640, 480, 2);
+                        var vp:GMapViewport = new GMapViewport(36.09992, 139.65497, 640, 480, 9);
                         
                         

lang/actionscript/swfgmap/trunk/gyuque/gmap/GMapCalc.as

@@ -52 +52 @@
                         return Math.pow(2, zoom+8);             
                 }
+                
+                public static function calcTileData(x:Number, y:Number, zoom:int, layer:int):Object
+                {
+                        if (zoom < 0)
+                                throw "illegal zoom level";
+
+                        var mapSize:Number = calcMapSize(zoom);
+                        var ox:int = Math.floor(x*mapSize) % TILE_SIZE;
+                        var oy:int = Math.floor(y*mapSize) % TILE_SIZE;
+                        var tx:int = Math.floor(x*mapSize / TILE_SIZE);
+                        var ty:int = Math.floor(y*mapSize / TILE_SIZE);
+
+                        switch(layer)
+                        {
+                        case 0:
+                                return {tile_index: {x:tx, y:ty}, offset: {x:ox, y:oy}, tile_zoom: (17-zoom)};
+                        }
+        
+                        throw "illegal layer index";
+                }
         }
 }

lang/actionscript/swfgmap/trunk/gyuque/gmap/GMapMapLayer.as

@@ -4 +4 @@
         import flash.display.*;
         import flash.geom.Point;
+        import flash.net.URLRequest;
         
         public class GMapMapLayer extends Layer
@@ -25 +26 @@
                 protected override function updateContent(refreshAll:Boolean):void
                 {
-                        
+                        var v:GMapViewport = mViewport;
+                        if (refreshAll && v)
+                        {
+                                var tiledata:Object = GMapCalc.calcTileData(v.centerNX, v.centerNY, v.zoom, 0);
+                                
+                                var ldr:Loader = new Loader();
+                                var Murl:String = "http://mt1.google.com/mt?n=404&v=w2.61&x="+tiledata.tile_index.x+"&y="+tiledata.tile_index.y+"&zoom="+tiledata.tile_zoom;
+                                var req:URLRequest = new URLRequest(Murl);
+                                addChild(ldr);
+                                ldr.load(req);
+                                ldr.x = -128;
+                                ldr.y = -128;
+                                
+                                GMapView(stage.getChildAt(0)).puts(Murl);
+                        }
                 }
         }

lang/actionscript/swfgmap/trunk/gyuque/gmap/GMapView.as

@@ -39 +39 @@
                                 fmtDebugOut.size = 9;
                                 txDebugOut.height = height;
+                                txDebugOut.width = 600;
                         }
                         

lang/actionscript/swfgmap/trunk/gyuque/gmap/GMapViewport.as

@@ -72 +72 @@
                 }
                 
+                public function get zoom():int
+                {
+                        return mZoom;
+                }
+                
+                
                 public function moveByPixel(dx:Number, dy:Number):void
                 {
@@ -80 +86 @@
                         transformVectorScreenToView(dx, dy, v);
                         
-                        mNrmXY.x = mScreenXY.x / mMapSize;
-                        mNrmXY.y = mScreenXY.y / mMapSize;
+                        mBitmapXY.x += dx;
+                        mBitmapXY.y += dy;
+                        
+                        mNrmXY.x = mBitmapXY.x / mMapSize;
+                        mNrmXY.y = mBitmapXY.y / mMapSize;
                         
                         GMapCalc.XYtoLatLng(mNrmXY.x, mNrmXY.y, mLatlng);
@@ -119 +128 @@
                         return mViewToScreen;
                 }
+                
+                public function get centerBitmapX():Number
+                {
+                        return mBitmapXY.x;
+                }
         
+                public function get centerBitmapY():Number
+                {
+                        return mBitmapXY.y;
+                }
+                
+                public function get centerNX():Number
+                {
+                        return mNrmXY.x;
+                }
+        
+                public function get centerNY():Number
+                {
+                        return mNrmXY.y;
+                }
+                
         }
 }