幽体離脱
ドラッグで幽体離脱っぽくなります
/**
* Copyright yanbaka ( http://wonderfl.net/user/yanbaka )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/v7aY
*/
// ドラッグで幽体離脱っぽくなります
package
{
import flash.system.LoaderContext;
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.filters.BlurFilter;
import flash.geom.Point;
import flash.net.URLRequest;
import flash.system.Security;
[SWF(width = "465", height = "465", backgroundColor = "0x000000", frameRate = "30")]
public class Obake extends Sprite
{
private static const IMAGE_PATH:String = "http://yanbaka.com/wonderfl/kote2.jpg";
private const POINT_MARGIN:Number = 3;
private const DEGREE:Number = 200000;
private var _canvas:BitmapData;
private var points:Array = [];
private var drag:Boolean = false;
public function Obake()
{
_canvas = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x0);
var bmp:Bitmap = new Bitmap(_canvas);
addChild(bmp);
loadImage();
}
private function loadImage():void
{
Security.loadPolicyFile("http://5ivestar.org/proxy/crossdomain.xml");
var context:LoaderContext = new LoaderContext(true);
var loader:Loader = new Loader();
loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
loader.load(new URLRequest("http://5ivestar.org/proxy/"+IMAGE_PATH), context);
}
private function onComplete(e:Event):void
{
var loader:Loader = Loader(e.target.loader);
var bmd:BitmapData = Bitmap(loader.content).bitmapData;
for (var i:int=0; i<bmd.width; i+=POINT_MARGIN)
{
for (var ii:int=0; ii<bmd.height; ii+=POINT_MARGIN)
{
pushPixel(bmd, i, ii);
}
}
setInit();
stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
stage.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);
addEventListener(Event.ENTER_FRAME, loop);
}
private function mouseDownHandler(e:MouseEvent):void
{
drag = true;
}
private function mouseUpHandler(e:MouseEvent):void
{
drag = false;
}
private function loop(evt:Event):void
{
_canvas.lock();
(drag)?_canvas.applyFilter(_canvas, _canvas.rect, new Point(), new BlurFilter()):_canvas.fillRect(_canvas.rect, 0x0);
var dx:Number;
var dy:Number;
var dist:Number;
var tx:Number;
var ty:Number;
var i:int = points.length;
while (i--)
{
var p:Particle = points[i];
dx = p.x - mouseX;
dy = p.y - mouseY;
dist = (dx*dx + dy*dy)/DEGREE;
tx = dx * dist + p.x;
ty = dy * dist + p.y;
_canvas.setPixel32(tx, ty, p.c);
}
_canvas.unlock();
}
private function pushPixel(bmd:BitmapData, x:Number, y:Number):void
{
var p:Particle = new Particle();
p.x = x;
p.y = y;
p.c = bmd.getPixel32(x, y);
points.push(p);
}
private function setInit():void
{
var l:int = points.length;
for (var i:int=0; i<l; i++)
{
var p:Particle = points[i];
_canvas.setPixel32(p.x, p.y, p.c);
}
}
}
}
class Particle
{
public var x:Number;
public var y:Number;
public var c:uint;
public function Particle() {}
}