Basic:Shadow

/**
 * Copyright nsos ( http://wonderfl.net/user/nsos )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/tTmg
 */

package
{
import flash.display.Sprite;
import flash.events.Event;
import flash.filters.DropShadowFilter;
public class AnimatedFilters extends Sprite
{
private var filter:DropShadowFilter;
private var sprite:Sprite;
public function AnimatedFilters()
{
init();
}
private function init():void
{
sprite = new Sprite();
sprite.graphics.lineStyle(2);
sprite.graphics.beginFill(0xffff00);
sprite.graphics.drawRect(-50, -50, 100, 100);
sprite.graphics.endFill();
sprite.x = 200;
sprite.y = 200;
addChild(sprite);
filter = new DropShadowFilter(0, 0, 0, 1, 20, 20, .3);
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
private function onEnterFrame(event:Event):void
{
var dx:Number = mouseX - sprite.x;
var dy:Number = mouseY - sprite.y;
filter.distance = -Math.sqrt(dx * dx + dy * dy) / 10;
filter.angle = Math.atan2(dy, dx) * 180 / Math.PI;
sprite.filters = [filter];
}
}
}