/**
* Copyright hacker_szoe51ih ( http://wonderfl.net/user/hacker_szoe51ih )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/1ssy
*/
package
{
import caurina.transitions.Tweener;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Matrix;
import flash.net.*;
import flash.system.*;
/**
* ...
* @author a
*/
public class Main extends Sprite
{
public var sp:Sprite;
public var bmd:BitmapData;
public var bm:Bitmap;
public var lo:Loader;
public var urlReq:URLRequest;
public var vertices:Vector.<Number>;
public var indices:Vector.<int>;
public var uvData:Vector.<Number>;
public var W:Number=465;
public var H:Number=465;
public function Main() {
init();
}
public function init():void {
sp = new Sprite();
sp.x=W/2-400/2;
sp.y=H/2-300/2;
addChild(sp);
sp.addEventListener(MouseEvent.MOUSE_DOWN, mDown);
stage.addEventListener(MouseEvent.MOUSE_UP, mUp);
lo = new Loader();
lo.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoaded);
urlReq=new URLRequest("http://farm5.static.flickr.com/4097/4941567163_0fa5cd2938.jpg");
var myLoaderContext:LoaderContext = new LoaderContext(true);
lo.load(urlReq,myLoaderContext);
}
public function onLoaded(e:Event):void {
//ロードしたデータをbmdに描画してbitmapを作る
bmd = new BitmapData(lo.content.width,lo.content.height);
var mtx:Matrix = new Matrix();
mtx.scale(1, 1);
mtx.rotate(0);
mtx.translate(0,0);
bmd.draw(lo.content,mtx);
bm = new Bitmap(bmd);
resetDraw();
}
public function resetDraw():void {
vertices = new Vector.<Number>();
vertices.push(0, 0 ,400, 0);
vertices.push(200,150);
vertices.push(0, 300 , 400, 300);
indices = new Vector.<int>();
indices.push(0, 1, 2);
indices.push(1, 2, 4);
indices.push(4, 2, 3);
indices.push(3, 2, 0);
uvData = new Vector.<Number>();
uvData.push(0, 0, 1, 0);
uvData.push(0.5, 0.5);
uvData.push(0, 1, 1, 1);
updateDraw();
}
public function updateDraw():void {
sp.graphics.clear();
sp.graphics.beginBitmapFill(bm.bitmapData);
sp.graphics.drawTriangles(vertices, indices, uvData);
sp.graphics.endFill();
}
//マウスイベント処理
public function mDown(e:MouseEvent):void {
var uvMouseX:Number = e.localX / sp.width;
var uvMouseY:Number = e.localY / sp.height;
uvData = new Vector.<Number>();
uvData.push(0, 0, 1, 0);
uvData.push(uvMouseX, uvMouseY);
uvData.push(0, 1, 1, 1);
sp.addEventListener(MouseEvent.MOUSE_MOVE, mMove);
}
public function mMove(e:MouseEvent):void {
vertices = new Vector.<Number>();
vertices.push(0, 0 ,400, 0);
vertices.push(e.localX,e.localY);
vertices.push(0, 300 , 400, 300);
updateDraw();
e.updateAfterEvent();
}
public function mUp(e:MouseEvent):void {
sp.removeEventListener(MouseEvent.MOUSE_MOVE, mMove);
resetDraw();
}
}
}
