particle smoke!!
クリックで拡大！
/**
* Copyright CoremindJP ( http://wonderfl.net/user/CoremindJP )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/iNjE
*/
package
{
import caurina.transitions.Tweener;
import flash.display.*;
import flash.events.*;
import flash.filters.*;
import flash.geom.*;
/**
* ...クリックで拡大！
* @author ta-ta
*/
[SWF(width = 465, height = 465, backgroundColor = 0, frameRate = 30)]
public class Main extends Sprite
{
private static const R:Number = 0.017453;
public var ms:Number = 0.1;
private var
clen :int = 20000,
tlen :int = 720,
ct :Vector.<Number> = new Vector.<Number>(tlen, true),
st :Vector.<Number> = new Vector.<Number>(tlen, true),
cvs :BitmapData = new BitmapData(465, 465, false, 0),
ctf :ColorTransform = new ColorTransform(),
cmfArr :Array = [1.11, 0, 0, 0, -45, 0, 1.1, 0, 0, -28, 0, 0, 1.12, 0, -45],
cmf :ColorMatrixFilter = new ColorMatrixFilter(cmfArr),
bf :BlurFilter = new BlurFilter(2, 2),
cp :Point = new Point(),
vp :Point = new Point(),
img :BitmapData,
top :Circle;
public function Main():void
{
initsourceImage();
initAngleTable();
initCircle();
addChild(new Bitmap(cvs));
stage.addEventListener(Event.ENTER_FRAME , update);
stage.addEventListener(MouseEvent.MOUSE_DOWN, mdh);
stage.addEventListener(MouseEvent.MOUSE_UP , muh);
}
private function initsourceImage():void
{
var _s:Shape = new Shape();
_s.graphics.beginFill(0xEE40AB);
_s.graphics.drawCircle(8, 8, 8);
_s.graphics.endFill();
_s.filters = [new BevelFilter(4, 90, 0xFFFFFF, 0.6, 0, 0.6)];
img = new BitmapData(16, 16, true, 0);
img.draw(_s);
}
private function initAngleTable():void
{
var _base:Number = 360 / 720;
for (var i:int = 0; i < 720; i++)
{
ct[i] = Math.cos(R * _base * i);
st[i] = Math.sin(R * _base * i);
}
}
private function initCircle():void
{
top = new Circle(Math.random() * 719, Math.random() * 30 - 15, Math.random() * 10 - 5, null);
for (var i:int = clen - 2; 0 <= i; i--) top = new Circle(Math.random() * 719, Math.random() * 30 - 15, Math.random() * 10 - 5, top);
}
public function update(e:Event):void
{
var
_r:Number,
_a:int,
_px:Number = 232.5,
_py:Number = 232.5,
_vp:Point = vp,
_cvs:BitmapData = cvs,
_img:BitmapData = img,
_cvsRect:Rectangle = _cvs.rect,
_imgRect:Rectangle = _img.rect;
_cvs.lock();
for (var _circle:Circle = top; _circle; _circle = _circle.next)
{
_circle.update();
_r = _circle.radius;
_a = _circle.angleIndex;
_px += ct[_a] * _r * ms;
_py += st[_a] * _r * ms;
_vp.x = _px - 8;
_vp.y = _py - 8;
if (_vp.x > 473 || _vp.x < -8 || _vp.y > 473 || _vp.y < -8) continue;
_cvs.copyPixels(_img, _imgRect, vp, null, null, true);
}
_cvs.applyFilter(_cvs, _cvsRect, cp, cmf);
//_cvs.applyFilter(_cvs, _cvsRect, cp, bf);
_cvs.unlock();
}
private function mdh(e:MouseEvent):void
{
Tweener.addTween(this, {ms:1, time:3, transition:"easeOutBack"})
}
private function muh(e:MouseEvent):void
{
Tweener.addTween(this, {ms:0.1, time:3, transition:"easeOutBack"})
}
}
}
class Circle
{
public var
radius:Number,
angleIndex:int,
next:Circle;
private var aii:int;
public function Circle(
angleIndex:int,
radius:Number,
aii:int,
next:Circle)
{
this.angleIndex = angleIndex;
this.radius = radius;
this.aii = aii;
this.next = next;
}
public function update():void
{
angleIndex += aii;
if (angleIndex <= 0) angleIndex = 719;
if (angleIndex >= 720) angleIndex = 0;
}
}