package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.system.System;
	import flash.text.TextField;
	import flash.utils.Dictionary;
 
	[SWF(width="400", height="300")]
	public class test extends Sprite {
 
		private var _tf:TextField = new TextField();
		private var iw:InstanceWatcher = InstanceWatcher.instance;
		private var dic:Dictionary;
 
		public function test() {
			_tf.width = 400;
			_tf.height = 300;
			addChild(_tf);
			dic = new Dictionary(true);
			stage.addEventListener(MouseEvent.CLICK, createObject);
			stage.addEventListener(Event.ENTER_FRAME, watch);
		}
 
		private function createObject(event:MouseEvent):void {
			for (var i:int = 0; i < 10; i++) {
				var sp:Sprite = new ExtSprite(); // GCされない
				//dic[sp] = null;
				dic[sp.name] = sp;
				new ExtSprite(); // こっちはGCされる
			}
			//System.gc();
		}
 
		private function watchDictionary(event:Event=null):void {
			_tf.text = iw.getWatchString();
		}
	}
}
import flash.display.Sprite;
class ExtSprite extends Sprite {}

dic[sp.name] = sp;

dic[sp] = null;

package  {
	import flash.sampler.NewObjectSample;
	import flash.utils.Dictionary;
 
	/**
	* @author ken - Jinten.net
	* @version 0.2
	*/
	public class InstanceWatcher {
 
		private static var _instance:InstanceWatcher = null;
		public static function get instance():InstanceWatcher {
			if (_instance == null) {
				_instance = new InstanceWatcher(new SingletonEssence);
			}
			return _instance;
		}
 
		private static var _dict:Dictionary = new Dictionary();
		private static var _instances:Object = new Object();
 
		public function InstanceWatcher(essense:SingletonEssence) {
			if (essense == null) {
				throw Error('use InstanceWatcher.instance !!');
			}
			startSampling();
		}
 
		public static function startSampling():void {
			flash.sampler.startSampling();
		}
 
		public static function pauseSampling():void {
			flash.sampler.pauseSampling();
		}
 
		public static function stopSampling():void {
			flash.sampler.stopSampling();
		}
 
		public function getWatchString():String {
			watch();
 
			var str:String = '';
			for (var type:String in _dict) {
				var d:Dictionary = _dict[type] as Dictionary;
				var num:int = 0;
				for (var inst:* in d) {
					num++;
				}
				str += type + ':' + num + '\n';
			}
			return str;
		}
 
		private function watch():void {
			pauseSampling();
			var samples:Object = flash.sampler.getSamples();
 
			for each(var sample:Object in samples) {
				if (sample is NewObjectSample) {
					var nos:NewObjectSample = NewObjectSample(sample);
					var type:String = String(nos.type);
					if (nos.object != undefined) {
						if (!(_dict[type] is Dictionary)) {
							_dict[type] = new Dictionary(true);
						}
						_dict[type][nos.object] = null;
					}
				}
			}
			flash.sampler.clearSamples();
			startSampling();
		}
	}
}
 
class SingletonEssence { }

flash.sampler.startSampling();

flash.sampler.getSamples();

var pattern:RegExp = /([一-龠々〆ヵヶ]+)|([ぁ-んー－―]+)|([ァ-ヴー－―]+)|([a-zA-ZａｚＡ-Ｚ]+)|([0-9０-９.]+)|[、。！!？?()（）「」『』-]/g;
output_text = input_text.match(pattern).join(" | ");

var rigid:RigidBody = new RigidBody([X位置], [Y位置], [サイズ], [頂点の座標配列]);
foam.addElement(rigid);

// 座標をランダムに決定。0-300で。(今回はswfのサイズが300×300なので)
var rnd_x:Number = Math.random() * 300;
var rnd_y:Number = Math.random() * 300;
// 多角形のサイズをランダムに決定。20-60。この数値は適当。
var rnd_size:Number = 20 + Math.random() * 40;
// 頂点数をランダムに決定。2-9。頂点数2なら直線、3なら三角形に。
var rnd_num_vertices:Number = 1 + Math.ceil(Math.random() * 8);
// createSymmetricPolygonメソッドで頂点座標の配列を返す。
var rigid_arr:Array = ShapeUtil.createSymmetricPolygon(rnd_num_vertices, rnd_size);
 
// RigidBodyインスタンスを生成し、foamエンジンへ追加。
var rigid:RigidBody = new RigidBody(rnd_x, rnd_y, rnd_size, rigid_arr);
foam.addElement(rigid);

package  {
	import flash.display.*;
	import flash.events.MouseEvent;
	import org.generalrelativity.foam.dynamics.element.body.*;
	import org.generalrelativity.foam.dynamics.enum.Simplification;
	import org.generalrelativity.foam.dynamics.force.Gravity;
	import org.generalrelativity.foam.Foam;
	import org.generalrelativity.foam.math.Vector;
	import org.generalrelativity.foam.util.ShapeUtil;
 
	[SWF(width="300", height="300")]
	public class FoamSample1 extends Sprite {
 
		private const W:Number = 300;
		private const H:Number = 300;
 
		private var foam:Foam;
 
		public function FoamSample1() {
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.BOTTOM;
 
			//FOAMインスタンスの生成
			foam = new Foam();
			addChild(foam);
 
			//オブジェクトのドラッグ有効化
			foam.useMouseDragger(true);
 
			foam.addGlobalForceGenerator(new Gravity(new Vector(0, 0.3)));
 
			var wall_arr:Array;
			//ground
			wall_arr = ShapeUtil.createRectangle(W, 20);
			foam.addElement(new RigidBody(W/2, 0, Simplification.INFINITE_MASS, wall_arr));
			foam.addElement(new RigidBody(W/2, H, Simplification.INFINITE_MASS, wall_arr));
			//wall
			wall_arr = ShapeUtil.createRectangle(20, H);
			foam.addElement(new RigidBody(0, H/2, Simplification.INFINITE_MASS, wall_arr));
			foam.addElement(new RigidBody(W, H/2, Simplification.INFINITE_MASS, wall_arr));
 
			stage.addEventListener(MouseEvent.CLICK, clickHandler);
 
			foam.addElement(new Circle(150, 100, 20));
			foam.simulate();
		}
 
		private function clickHandler(e:MouseEvent):void {
			// add Rigid
			var rnd_x:Number = Math.random() * 300;
			var rnd_y:Number = Math.random() * 300;
			var rnd_size:Number = 20 + Math.random() * 40;
			var rnd_num_vertices:Number = 1 + Math.ceil(Math.random() * 8);
			var rigid_arr:Array = ShapeUtil.createSymmetricPolygon(rnd_num_vertices, rnd_size);
 
			var rigid:RigidBody = new RigidBody(rnd_x, rnd_y, rnd_size, rigid_arr);
 
			foam.addElement(rigid);
		}
	}
}

private var foam:Foam = new Foam();
addChild(foam);

foam.addGlobalForceGenerator(new Gravity(new Vector(0, 0.3)));

/**
* FOAM sample1
* @author jinten.net
*/
package  {
	import flash.display.*;
	import org.generalrelativity.foam.dynamics.element.body.*;
	import org.generalrelativity.foam.dynamics.enum.Simplification;
	import org.generalrelativity.foam.dynamics.force.Gravity;
	import org.generalrelativity.foam.Foam;
	import org.generalrelativity.foam.math.Vector;
	import org.generalrelativity.foam.util.ShapeUtil;
 
	[SWF(width="300", height="300")]
	public class FoamSample1 extends Sprite {
 
		private const W:Number = 300;
		private const H:Number = 300;
 
		private var foam:Foam;
 
		public function FoamSample1() {
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.BOTTOM;
 
			//FOAMインスタンスの生成
			foam = new Foam();
			addChild(foam);
 
			//オブジェクトのドラッグ有効化
			foam.useMouseDragger(true);
 
			foam.addGlobalForceGenerator(new Gravity(new Vector(0, 0.3)));
 
			//circle
			foam.addElement(new Circle(100, 100, 30));
			foam.addElement(new Circle(200, 100, 30));
 
			var wall_arr:Array;
			//ground
			wall_arr = ShapeUtil.createRectangle(W, 20);
			foam.addElement(new RigidBody(W/2, 0, Simplification.INFINITE_MASS, wall_arr));
			foam.addElement(new RigidBody(W/2, H, Simplification.INFINITE_MASS, wall_arr));
			//wall
			wall_arr = ShapeUtil.createRectangle(20, H);
			foam.addElement(new RigidBody(0, H/2, Simplification.INFINITE_MASS, wall_arr));
			foam.addElement(new RigidBody(W, H/2, Simplification.INFINITE_MASS, wall_arr));
 
			foam.simulate();
		}
	}
}

public function swap(a:Object, b:Object):void {
    var tmp:Object = a;
    a = b;
    b = tmp;
}

var a:Object = {
    value: "abc",
    toString: function():String { return this.value; }
};
var b:Object = {
    value: "xyz",
    toString: function():String { return this.value; }
};
swap(a, b);
trace("a=", a);
trace("b=", b);

a= xyz
b= abc

#include <stdio .h>
 
void swap(int* a, int* b){
	int* tmp = a;
	a = b;
	b = a;
}
 
int main(){
	int a = 1;
	int b = 2;
 
	printf("a=%d b=%d\n", a, b);
	swap(&a, &b);
	printf("a=%d b=%d\n", a, b);
 
  return 0;
}</stdio>