forked from: Emotion Fractal in AS3
Emotion Fractal in AS3
refer to http://levitated.net/daily/levEmotionFractal.html
Proxy を使いはてなから人気キーワードの RSS を取得
/**
* Copyright alpicola ( http://wonderfl.net/user/alpicola )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/pGN1
*/
// forked from 5ivestar's Emotion Fractal in AS3
// Emotion Fractal in AS3
// refer to http://levitated.net/daily/levEmotionFractal.html
// Proxy を使いはてなから人気キーワードの RSS を取得
package {
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Rectangle;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.system.Security;
import caurina.transitions.Tweener;
import caurina.transitions.properties.TextShortcuts;
[SWF(backgroundColor="#000000", frameRate=30)]
public class HotwordFractal extends Sprite {
private var queue:Array;
private var words:Array;
public function HotwordFractal() {
stage.align = "TL";
stage.scaleMode = "noScale";
Security.loadPolicyFile("http://5ivestar.org/proxy/crossdomain.xml");
var loader:URLLoader = new URLLoader();
loader.addEventListener(Event.COMPLETE, loadingComplete);
loader.load(new URLRequest("http://5ivestar.org/proxy/http://d.hatena.ne.jp/hotkeyword?mode=rss"));
}
public function loadingComplete(e:Event):void {
var rss:XML = new XML(e.target.data);
var ns:Namespace = new Namespace(rss.namespace(""));
words = [];
for each (var item:Object in rss.ns::item) {
words.push(item.ns::title.toString());
}
init(null);
TextShortcuts.init();
addEventListener(MouseEvent.MOUSE_DOWN, init);
}
public function init(e:MouseEvent):void {
Tweener.removeAllTweens();
while (numChildren) removeChildAt(0);
queue = [new Rectangle(0, 0, stage.stageWidth, stage.stageHeight)];
addEventListener(Event.ENTER_FRAME, fill);
}
public function fill(e:Event):void {
var i:int = 0;
while (queue.length > 0 && i < 3) {
var rect:Rectangle = queue.pop();
if (rect.width > 2 && rect.height > 2) {
fillRegion(rect);
i++;
}
}
if (!queue.length) removeEventListener(Event.ENTER_FRAME, fill);
}
public function fillRegion(region:Rectangle):void {
var tf:TextField = new TextField();
var fmt:TextFormat = new TextFormat();
fmt.font = '_明朝';
fmt.size = 24;
fmt.letterSpacing = -0.4;
fmt.rightMargin = 0.4;
tf.defaultTextFormat = fmt;
tf.text = choice(words);
tf.autoSize = "left";
tf.selectable = false;
var bitmap:BitmapData = new BitmapData(tf.width, tf.height, true);
bitmap.draw(tf);
var bound:Rectangle = bitmap.getColorBoundsRect(0xFFFFFFFF, 0xFFFFFFFF, false);
bitmap.dispose();
var s:Number = region.width / bound.width * (Math.random() * 0.4 + 0.1);
if (bound.height * s > region.height) s = region.height / bound.height;
tf.scaleX = s;
tf.scaleY = s;
bound.x *= s;
bound.y *= s;
bound.width *= s;
bound.height *= s;
switch (choice([1,2,3,4])) {
case 1:
tf.x = region.x - bound.x;
tf.y = region.y - bound.y;
queue.push(
new Rectangle(region.x + bound.width, region.y, region.width - bound.width, bound.height),
new Rectangle(region.x, region.y + bound.height, region.width, region.height - bound.height)
);
break;
case 2:
tf.x = region.x - bound.x;
tf.y = region.bottom - bound.bottom;
queue.push(
new Rectangle(region.x + bound.width, region.bottom - bound.height, region.width - bound.width, bound.height),
new Rectangle(region.x, region.y, region.width, region.height - bound.height)
);
break;
case 3:
tf.x = region.right - bound.right;
tf.y = region.y - bound.y;
queue.push(
new Rectangle(region.x, region.y, region.width - bound.width, bound.height),
new Rectangle(region.x, region.y + bound.height, region.width, region.height - bound.height)
);
break;
case 4:
tf.x = region.right - bound.right;
tf.y = region.bottom - bound.bottom;
queue.push(
new Rectangle(region.x, region.bottom - bound.height, region.width - bound.width, bound.height),
new Rectangle(region.x, region.y, region.width, region.height - bound.height)
);
break;
}
addChild(tf);
Tweener.addTween(tf, {_text_color: 0xFFFFFF, time: 5, transition: "liner"});
}
private function choice(ary:Array):* {
return ary[Math.floor(ary.length * Math.random())];
}
}
}