forked from: RollingBalls from: nengafl

by hacker_yk666qry 03 Jan 2010

Embed

/**
 * Copyright hacker_yk666qry ( http://wonderfl.net/user/hacker_yk666qry )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/7iXo
 */

// forked from cybernet's RollingBalls from: nengafl

  package {
    import flash.accessibility.Accessibility; 
    import flash.display.Sprite; 
    import flash.events.*; 
    import flash.text.*; 
     
    [SWF(backgroundColor="#666666", frameRate=10)] 
    public class RollingBalls extends Sprite { 
        public function RollingBalls() { 
                var tf:TextField = new TextField(); 
                tf.x = 50; 
                tf.y = 20; 
                tf.width = 230; 
                tf.height = 50; 
                 
                tf.textColor = 0x000000; 
                tf.text = "四辺形をマウスでクリックする毎に、\n"+ 
                          "色つきの円が放出されて坂を転がり\n"+ 
                          "落ちていきます。\n"; 
                addChild(tf);           
                 
            var bounding:Bounding = new Bounding(); 
            bounding.rotation =15; 
            addChild(bounding); 
             
            stage.addEventListener(MouseEvent.CLICK,onClick);  
         
        } 
        private function onClick(evt:MouseEvent): void { 
                var bounding:Bounding = new Bounding(); 
                bounding.rotation = 15; 
                addChild(bounding);
        } 
    } 
} 

import flash.display.*; 

class Ball extends Sprite { 
    public var radius: Number = 7+17*Math.random(); 
    public function Ball(){ 
    
        var mytama:Sprite = new Sprite(); 
        var mt :Graphics = mytama.graphics; 
         
        mt.lineStyle(); 
        mt.beginFill(0xFFFFFF*Math.random(), 0.5+ 0.5*Math.random()); //色,アルファ
         
        mt.drawCircle(0,0,radius); 
        mt.endFill(); 
        addChild(mytama); 
        
    } 
} 

import flash.events.*; 
import flash.text.*; 


class Bounding extends Sprite { 
    private var t:Number; 
    private var k:Number; 
    private var a:Number; 
    private var b:Number = 10; 
    private var w:Number; 
    private var ramda:Number; 
     
    private var ball:Ball = new Ball(); 
    private var rr:Number = ball.radius; 
     
    public function Bounding(): void { 
    
        var box:Sprite= new Sprite(); 
        box.graphics.moveTo(50,111); 
        box.graphics.lineStyle(0x000000,1); 
        box.graphics.lineTo(600,111); 
         
        box.graphics.beginFill(0x00FF00,1); 
        box.graphics.drawRect(50,106,30,30); 
         
        addChild(box); 
        
        box.addEventListener(MouseEvent.CLICK, clickListener); 
    } 
    private function clickListener(e:MouseEvent): void { 
        a = 10 + 90*Math.random(); 
        w = 0.5 + 2.0*Math.random(); 
        ramda = 0.05 + 0.175*Math.random(); 
        t =　0; 
        k = 0.075 + 0.125*Math.random(); 
        ball.x = 0; 
        ball.y = 0;//0; 
        addChild(ball); 
        addEventListener(Event.ENTER_FRAME,onRun,false,0,true); 
    } 
     
    private function onRun(e:Event):void { 
        t += k; 
        ball.x = 50+30*t; 
        ball.y = 113-rr-a*Math.exp(-ramda*t)*Math.abs(Math.sin(w*t)); 
        addChild(ball); 
         
        if(t > 18){ 
            removeEventListener(Event.ENTER_FRAME,onRun); 
            parent.removeChild(this); 
        } 
    } 
}