flash on 2010-12-7

/**
 * Copyright yama3 ( http://wonderfl.net/user/yama3 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/kFms
 */

package {
    import Box2D.Collision.Shapes.b2PolygonDef;
    import Box2D.Collision.b2AABB;
    import Box2D.Common.Math.b2Vec2;
    import Box2D.Dynamics.b2Body;
    import Box2D.Dynamics.b2BodyDef;
    import Box2D.Dynamics.b2World;
    
    import com.flashdynamix.utils.SWFProfiler;
    
    import flash.display.Bitmap;
    import flash.display.Sprite;
    import flash.display.StageQuality;
    import flash.events.Event;
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    import flash.utils.getTimer;
    
    import org.libspark.betweenas3.BetweenAS3;
    import org.libspark.betweenas3.easing.Back
    
    [SWF(width=465, height=465, backgroundColor=0xffffff, frameRate=30)]
    
    public class FlashTest extends Sprite {
        private static const RADtoDEG:Number = 180 / Math.PI;
        private static const NUM_ITERATIONS:int = 20;
        private static const DRAW_SCALE:Number = 30;
        
        private var _world:b2World;
        private var _lastTime:int;
        
        public function FlashTest() {
           stage.quality = StageQuality.LOW;
           scaleX = scaleY = DRAW_SCALE;
           
           SWFProfiler.init(this);
           
           var worldAABB:b2AABB = new b2AABB();
           worldAABB.lowerBound.Set(-100, -100);
           worldAABB.upperBound.Set(465 + 100, 465 + 100);
           _world = new b2World(worldAABB, new b2Vec2(0.0, 10.0), true);
           
           _buildFloor();
           Wara.init();
           
           _lastTime = getTimer();
           addEventListener(Event.ENTER_FRAME, _update);
           
           var timer:Timer = new Timer(150, 0);
           timer.addEventListener(TimerEvent.TIMER, _addWara);
           timer.start();            
        }
        
        private function _buildFloor():void {
            var bodyDef:b2BodyDef = new b2BodyDef();
            bodyDef.position.Set(465 / 2 / DRAW_SCALE, (465 + 20) / DRAW_SCALE);
            var boxDef:b2PolygonDef = new b2PolygonDef();
            boxDef.SetAsBox(465/2/DRAW_SCALE, 20/DRAW_SCALE);
            boxDef.friction = 0.3;
            boxDef.density = 0;
            var body:b2Body = _world.CreateBody(bodyDef);
            body.CreateShape(boxDef);
            body.SetMassFromShapes();
        }
        
        private function _addWara(e:Event):void {
            var bodyDef:b2BodyDef = new b2BodyDef();
            bodyDef.angle = Math.random()*Math.PI*2;
            bodyDef.position.x = (stage.stageWidth/2+(Math.random()-0.5)*200)/DRAW_SCALE;
            bodyDef.position.y = (300 - Math.random() * 50) / DRAW_SCALE;
            
            var wara:Wara = addChild(new Wara(Math.random()+0.2))as Wara;
            wara.y = -100;
            
            var boxDef:b2PolygonDef = new b2PolygonDef();
            boxDef.SetAsBox(wara.width/2/DRAW_SCALE, wara.height/2/DRAW_SCALE);
            boxDef.density = 1.0;
            boxDef.friction = 0.5;
            boxDef.restitution = 0.2;
            
            bodyDef.userData = wara;
            wara.scaleX = wara.scaleY = 0;
            BetweenAS3.tween(wara, {scaleX:1/DRAW_SCALE, scaleY:1/DRAW_SCALE},null,0.5,Back.easeOut).play();
            var body:b2Body = _world.CreateBody(bodyDef);
            body.CreateShape(boxDef);
            body.SetMassFromShapes();
        }
        
        private function _update(e:Event):void {
            var now:int = getTimer();
            var dt:Number = now - _lastTime;
            _lastTime = now;
            _world.Step(dt/1000, NUM_ITERATIONS);
            
            for(var bb:b2Body = _world.m_bodyList; bb; bb= bb.m_next) {
                var px:Number = bb.GetPosition().x * DRAW_SCALE;
                var py:Number = bb.GetPosition().y * DRAW_SCALE;
                if(px < 0 - 50 || 465 + 50 < px || 450 + 50 < py) {
                    removeChild(bb.GetUserData());
                    _world.DestroyBody(bb);
                    break;
                }
                if(bb.m_userData is Sprite) {
                    bb.m_userData.x = bb.GetPosition().x;
                    bb.m_userData.y = bb.GetPosition().y;
                    bb.m_userData.rotation = bb.GetAngle() * RADtoDEG;
                }
            }
        }
    }
}

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.utils.getTimer;

import frocessing.color.ColorHSV;

class Wara extends Sprite {
    public static var _waraImage:BitmapData;
    public static function init():void {
        var tf:TextField = new TextField();
        var fmt:TextFormat = new TextFormat('Verdana', 64, 0xffffff, true);
        fmt.letterSpacing = -10;
        tf.defaultTextFormat = fmt;
        tf.autoSize = TextFieldAutoSize.LEFT;
        tf.text = 'ザワ';
        var tmp:BitmapData = new BitmapData(tf.width, tf.height, true, 0x0);
        tmp.draw(tf);
        var rect:Rectangle = tmp.getColorBoundsRect(0xff000000, 0xff000000, true);
        _waraImage = new BitmapData(rect.width, rect.height, true, 0x0);
        _waraImage.draw(tmp, new Matrix(1, 0, 0, 1, -rect.x, -rect.y));
    }
    
    public function Wara(scale:Number) {
        var b:Bitmap = addChild(new Bitmap(_waraImage)) as Bitmap;
        b.scaleX = b.scaleY = scale;
        b.x = -b.width/2;
        b.y = -b.height/2;
        var col:ColorHSV = new ColorHSV((getTimer()/30)%360);
        transform.colorTransform = new ColorTransform(col.r/255,col.g/255,col.b/255);
    }


}