gravity

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

package {
    import flash.display.Sprite;
    import flash.events.*;
    
    public class FlashTest extends Sprite {
        
        private var ball:Sprite;
        private var angle:Number = 50;
        private var speed:Number = 3;
        private var vx:Number = 0;
        private var ax:Number = .2;
        
        public function FlashTest() {
            init();
        }
        private function init():void
        {
            ball = new Sprite();
            ball.graphics.beginFill(0xff0000, 1);
            ball.graphics.drawCircle(0,0,40);
            addChild(ball);
            
            ball.x = 50;
            ball.y = 100;
            addEventListener(Event.ENTER_FRAME, onEnter);
        }
        private function onEnter(e:Event):void
        {
           // var radians:Number = angle * Math.PI / 2;
           // var vx:Number = Math.cos(angle) * speed;
           // var vy:Number = Math.sin(angle) * speed;
            
            vx += ax;
            ball.x += vx;
            
        }
    }
}