into the slinky

by yonatan 25 Dec 2012

• Forked from lizhi's s3d
• Diff: 14
• Related works: 5
Embed

/**
 * Copyright yonatan ( http://wonderfl.net/user/yonatan )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/6i5A
 */

// forked from lizhi's s3d
package  
{
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Point;
    import flash.geom.Vector3D;
    /**
    * ...
    * @author lizhi http://game-develop.net/
    */
    [SWF(frameRate=60,width=465,height=465)]
    public class Test3D extends Sprite
    {
        private var vs:Vector.<Vector3D> = new Vector.<Vector3D>;
        private var fx:Number = 0, fy:Number = 0;
        private var cx:Number = 0, cy:Number = 0;

        public function Test3D() 
        {
            stage.quality = "medium";
            x = stage.stageWidth / 2;
            y = stage.stageHeight / 2;
            for (var i:int=0; i < 100;i++ ) {
                vs.push(new Vector3D(0, 0, 100 + i * 50));
            }
            addEventListener(Event.ENTER_FRAME, enterFrame);
        }

        private function enterFrame(e:Event):void 
        {
            graphics.clear();
            fx = fx * 0.99 + 0.01 * (mouseX - cx);
            fy = fy * 0.99 + 0.01 * (mouseY - cy);
            cx += fx;
            cy += fy;
            var lv:Vector3D = new Vector3D(cx, cy);
            for each(var v:Vector3D in vs) {
                v.x += (lv.x - v.x) * .3;
                v.y += (lv.y - v.y) * .3;
                lv = v;
                var fz:Number = 100 / v.z;
                graphics.lineStyle(0,0,fz);
                graphics.drawCircle(v.x * fz, v.y * fz, 660 * fz);
            }
        }
    }
}