dots
...
@author ue
/**
* Copyright _ueueueueue ( http://wonderfl.net/user/_ueueueueue )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/eoTQ
*/
package
{
import flash.display.*;
import flash.events.*;
import flash.geom.*;
import flash.text.*;
import flash.ui.*;
[SWF(backgroundColor=0x000000)]
/**
* ...
* @author ue
*/
public class Main extends Sprite
{
private const DOT_NUM:int = 400;
private const SIDE:int = 20;
private var container:Sprite;
private var dots:Vector.<Sprite> = new Vector.<Sprite>(DOT_NUM, true);
private var len:Number = 15;
private var minDist:Number = 100;
private var point:Point = new Point();
public function Main():void
{
container = new Sprite();
container.graphics.beginFill(0x0);
container.graphics.drawRect( 0, 0, stage.stageWidth, stage.stageHeight);
addChild(container);
for (var i:int = 0; i < DOT_NUM; i++)
{
var dot:Sprite = new Sprite();
dot.graphics.beginFill(0xFFFFFF);
dot.graphics.drawCircle(0, 0, 5);
dot.graphics.endFill();
dot.scaleX = dot.scaleY = .2;
dot.x = (i % SIDE + 1) * len + ((stage.stageWidth-SIDE*len)/2) ;
dot.y = int(i / SIDE + 1 ) * len + ((stage.stageHeight-SIDE*len)/2) ;
dots[i] = dot;
container.addChild(dot);
}
addEventListener(Event.ENTER_FRAME, update);
}
private function update(e:Event):void
{
point.x += (container.mouseX - point.x) * .05;
point.y += (container.mouseY - point.y) * .05;
for (var i:int = 0; i < DOT_NUM; i++)
{
var dot:Sprite = dots[i] as Sprite;
var dx:Number = point.x - dot.x;
var dy:Number = point.y - dot.y;
var dist:Number = Math.sqrt(dx * dx + dy * dy);
if (dist < minDist)
{
var scale:Number = (minDist - dist) / minDist * 3 + .2;
dot.scaleX = dot.scaleY = scale;
}
else
{
dot.scaleX = dot.scaleY = .2;
}
}
}
}
}