[Stardust] Paritcle Collection Performance Test

http://code.google.com/p/stardust-particle-engine/source/browse/trunk/tests/ParitcleCollectionParformanceTest/src/idv/cjcat/stardust/tests/ParitcleCollectionParformanceTest.as

by paq 05 Jun 2010

Talk

cjcat2266 at 03 Jun 2010 16:37
Wow, the outcome surely is different for 10000 particles and 50000 particles. I only tested for 10000 particles. SWF - http://bit.ly/azSlTz source - http://bit.ly/cS7FDh

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

// http://code.google.com/p/stardust-particle-engine/source/browse/trunk/tests/ParitcleCollectionParformanceTest/src/idv/cjcat/stardust/tests/ParitcleCollectionParformanceTest.as
package
{
	import com.bit101.components.Label;
	import com.bit101.components.PushButton;
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.utils.getTimer;
	import idv.cjcat.stardust.common.particles.ParticleArray;
	import idv.cjcat.stardust.common.particles.ParticleCollection;
	import idv.cjcat.stardust.common.particles.ParticleFastArray;
	import idv.cjcat.stardust.common.particles.ParticleIterator;
	import idv.cjcat.stardust.common.particles.ParticleList;
	import idv.cjcat.stardust.twoD.particles.Particle2D;
	
	[SWF(backgroundColor="#FFFFFF", width=465, height=465, frameRate=60)]
	public class Main extends Sprite
	{		
		public function Main()
		{
			large(new Label(this, 10, 0, "Traverse"));
			new PushButton(this, 10, 40,	"Array",			traverse(ParticleArray));
			new PushButton(this, 10, 70,	"Linked List",		traverse(ParticleList));
			new PushButton(this, 10, 100,	"Fast Array",		traverse(ParticleFastArray));
			
			large(new Label(this, 120, 0, "Splice"));
			new PushButton(this, 120, 40,	"Array",			splice(ParticleArray));
			new PushButton(this, 120, 70,	"Linked List",		splice(ParticleList));
			new PushButton(this, 120, 100,	"Fast Array",		splice(ParticleFastArray));
			
			large(new Label(this, 230, 0, "Sort"));
			new PushButton(this, 230, 40,	"Array",			sort(ParticleArray));
			new PushButton(this, 230, 70,	"Linked List",		sort(ParticleList));
			new PushButton(this, 230, 100,	"Fast Array",		sort(ParticleFastArray));
			
			label = new Label(this, 10, 130);
		}
		
		private const COUNT:int = 50000;
		private var label:Label;
		
		private function large(lbl:Label):void
		{
			lbl.scaleX = lbl.scaleY = 2;
		}
		
		private function traverse(cls:Class):Function
		{
			return function(e:Event):void {
				var pc:ParticleCollection = new cls();
				var i:int = 0;
				for (i = 0; i < COUNT; i++) pc.add(new Particle2D());
				var iter:ParticleIterator = pc.getIterator();
				var t:int = getTimer();
				while (iter.particle) iter.next();
				label.text = e.target.label + " :" + (getTimer() - t) + "ms";
			}
		}
		
		private function splice(cls:Class):Function
		{
			return function(e:Event):void {
				var pc:ParticleCollection = new cls();
				var i:int = 0;
				for (i = 0; i < COUNT; i++) pc.add(new Particle2D());
				var iter:ParticleIterator = pc.getIterator();
				var t:int = getTimer();
				while (iter.particle) iter.remove();
				label.text = e.target.label + " :" + (getTimer() - t) + "ms";
			}
		}
		
		private function sort(cls:Class):Function
		{
			return function(e:Event):void {
				var pc:ParticleCollection = new cls();
				var i:int = 0;
				for (i = 0; i < COUNT; i++) pc.add(new Particle2D());
				var iter:ParticleIterator = pc.getIterator();
				var t:int = getTimer();
				pc.sort();
				label.text = e.target.label + " :" + (getTimer() - t) + "ms";
			}
		}
	}
}