작동방법

- 마우스를 휘저어 보세요

- 화면을 클릭하고 마우스를 휘저어 보세요

- 오른쪽 아래 구석에 있는 podo로고를 클릭해 보세요

  한 번 누를 때 마다 노란 불빛이 켜졌다가 꺼졌다가를 반복하며

  불이 켜져 있을 때는 화면에 잔상이 남아서 색다른 모양을 볼 수 있습니다.

  

(1차 수정 : podo로고가 두번씩 눌려서 켜졌다가 다시 꺼지는 버그 수정)



(▼ 이곳에 플래시가 삽입되어 있습니다. 일부 환경에서는 보이지 않을 수 있습니다.) 




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import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.geom.Point;
import flash.utils.ByteArray;
import flash.events.MouseEvent;
import flash.geom.ColorTransform;
import flash.filters.GlowFilter;
 
 
const MAX_UNIT:int = 4096;
 
 
var bmpDatF:BitmapData = new BitmapData(1,1,false,0x0000ff);
var bmpDatB:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight,false,0x000000);
var canvas:Bitmap = new Bitmap(new BitmapData(stage.stageWidth, stage.stageHeight,false,0xffffff));
var velVec:Vector.<Point> = new Vector.<Point>(MAX_UNIT);
var posVec:Vector.<Point> = new Vector.<Point>(MAX_UNIT);
var colorVec:Vector.<uint> = new Vector.<uint>(MAX_UNIT);
var blueTransform:ColorTransform = new ColorTransform(0.86,0.86,0.86);
 
 
var datumPoint:Point = new Point(0,0);
var theta:Number = 0;
 
velVec.fixed = true;
posVec.fixed = true;
colorVec.fixed = true;
 
for(var i:int=0; i<MAX_UNIT; i++) {
    velVec[i] = new Point(0,0);
    posVec[i] = new Point(0,0);
    colorVec[i] = getColorByHue(i/MAX_UNIT*i/MAX_UNIT*i/MAX_UNIT*i/MAX_UNIT*360);
}
addChild(canvas);
 
 
 
 
var timer:Timer = new Timer(1000/60);
timer.addEventListener(TimerEvent.TIMER, timerHandler);
timer.start();
 
function timerHandler(evt:TimerEvent):void
{
    canvas.bitmapData.lock();
     
    if(podoed)
        canvas.bitmapData.colorTransform(canvas.bitmapData.rect, blueTransform);
    else
        canvas.bitmapData.copyPixels(bmpDatB,bmpDatB.rect,datumPoint);
         
    var dx:Number;
    var dy:Number;
    var direction:Number;
    var color:uint;
    for(var i:int=MAX_UNIT-1; i>=0; i--) {
        dx = stage.mouseX-posVec[i].x;
        dy = stage.mouseY-posVec[i].y;
        direction = Math.atan2(dy,dx);
         
        velVec[i].x += (i/MAX_UNIT*3.6+0.5)*Math.cos(direction);
        velVec[i].y += (i/MAX_UNIT*3.6+0.5)*Math.sin(direction);
         
        posVec[i].x += velVec[i].x;
        posVec[i].y += velVec[i].y;
         
        velVec[i].x *= i/MAX_UNIT*0.14+0.85;
        velVec[i].y *= i/MAX_UNIT*0.14+0.85;
         
        if(Math.abs(dx)<1&&Math.abs(dy)<1) {
            posVec[i].x = stage.mouseX;
            posVec[i].y = stage.mouseY;
            velVec[i].x = 0;
            velVec[i].y = 0;
        }
        canvas.bitmapData.setPixel(posVec[i].x,posVec[i].y,colorVec[i]);
    }
    canvas.bitmapData.unlock();
}
 
 
stage.addEventListener(MouseEvent.MOUSE_DOWN, clickHandler);
function clickHandler(evt:MouseEvent):void
{
    if(evt.stageX>podo.x && evt.stageX<podo.x+podo.width
       && evt.stageY>podo.y && evt.stageY<podo.y+podo.height) {
        podoClicked(null);
        return;
    }
    for(var i:int=0; i<MAX_UNIT; i++) {
        velVec[i].x = 0;
        velVec[i].y = 0;
        posVec[i].x = evt.stageX;
        posVec[i].y = evt.stageY;
        //velVec[i].y = Math.random()*-20;
         
    }
}
 
function getColorByHue(angle:Number):uint
{
var hue:Number = (angle+0) % 360;
    var variation:uint = uint((hue % 60)/60*0xff);
    var red:uint, blue:uint, green:uint;
    if (hue<60) {
        red = 0xff;
        blue = 0;
        green = variation;
    }
    else if (hue < 120) {
        red = 0xff - variation
        blue = 0;
        green = 0xff;
    }
    else if (hue < 180) {
        red = 0
        blue = variation;
        green = 0xff;
    }
    else if (hue < 240) {
        red = 0x0;
        blue = 0xff;
        green = 0xff-variation;
    }
    else if (hue < 300) {
        red = variation;
        blue = 0xff;
        green = 0x0;
    }
    else if (hue < 360) {
        red = 0xff;
        blue = 0xff-variation;
        green = 0;
    }
     
    return red<<16|green<<8|blue;
}
 
 
var podo:Sprite = new Podo();
podo.width*=0.40;
podo.height*=0.40;
podo.x = stage.stageWidth-podo.width;
podo.y = stage.stageHeight-podo.height;
stage.addChild(podo);
 
var podoed:Boolean = false;
var podoFilter:GlowFilter = new GlowFilter(0xffff00,1,4,4,4,3);
function podoClicked(evt:MouseEvent):void
{
    if(!podoed) {
        podo.filters = [podoFilter];
        podoed = true;
    }else{
        podo.filters = [];
        podoed = false;
    }
}
===========================================================================





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