PowerUP

by bradsedito 31 Jan 2012

• Related works: 1
Embed

/**
 * Copyright bradsedito ( http://wonderfl.net/user/bradsedito )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/9K0A
 */






package
{
    import flash.display.Sprite;
    import flash.events.Event;

 
    public class Main extends Sprite
    {
        private var bullets:Array;
 

        public function Main()
        {
            bullets = new Array();
            for (var i:int = 0; i < 20; i++)
            {
                var bullet:Bullet = new Bullet(20 - i);
                addChild(bullet);
                bullets.push(bullet);
            } 
            addEventListener(Event.ENTER_FRAME, onEnterFrame);
        }
 
        private function onEnterFrame(event:Event):void
        {
            var degree:Number = Math.atan2( (465/2) - bullets[0].y, (465/2)  - bullets[0].x) / (Math.PI / 180);
            //var degree:Number = Math.atan2(mouseY - bullets[0].y, mouseX - bullets[0].x) / (Math.PI / 180);
            if (degree < 0) degree += 360;
 
            degree = degree - Bullet.degree;
 
            if (degree < 0) degree += 360;
 
            if (degree < 180)
            {
                Bullet.degree = (Bullet.degree + Bullet.D_MAX) % 360; 
            }
            else
            {
                Bullet.degree -= Bullet.D_MAX;
                if (Bullet.degree < 0) Bullet.degree += 360;
            }
 
            for (var i:int = bullets.length - 1; i >= 1; i--)
            {
                bullets[i].x = bullets[i - 1].x;
                bullets[i].y = bullets[i - 1].y;
            }
 
            bullets[0].x += Math.cos(Bullet.degree * Math.PI / 180) * 5;
            bullets[0].y += Math.sin(Bullet.degree * Math.PI / 180) * 5;         
            
        }
    }
}
 
import flash.display.Sprite;
import flash.filters.DropShadowFilter;
 
class Bullet extends Sprite
{
    public static var degree:Number = 0;
    public static const D_MAX:Number = 5;
 
    public function Bullet(size:int)
    {
        graphics.beginFill(0x0);
        graphics.drawCircle(0, 0, size);
        graphics.endFill();
 
        this.alpha = size / 25;
        this.filters = [new DropShadowFilter(3)];
    }
}