Forked from:: jkltf's forked from: PV3D Test (2) - BasicView.singleRende..

forked from: forked from: PV3D Test (3) - Do the PV3D rendering as needed.

TestPV3DRenderingControlRenderAsNeeded

PV3D Rendering test (3)
Do the PV3D rendering as needed.
The CPU resource can be saved when the operator is idling.

@author jkltf

jkltf

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lines:75
license : All rights reserved
modified : 2009-04-02 02:08:13

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// forked from jkltf's forked from: PV3D Test (2) - BasicView.singleRender()
// forked from jkltf's PV3D Test

package {
	import flash.display.Graphics;
	import flash.display.Sprite;
	import com.flashdynamix.utils.SWFProfiler;
	import flash.events.Event;
	import flash.events.EventPhase;
	import flash.events.MouseEvent;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.view.BasicView;

/**
	 * TestPV3DRenderingControlRenderAsNeeded
	 * 
	 * PV3D Rendering test (3)
	 * Do the PV3D rendering as needed.
	 * The CPU resource can be saved when the operator is idling.
	 * 
	 * @author jkltf
	 */
	public class TestPV3DRenderingControlRenderAsNeeded extends Sprite {
		private var _view:BasicView;
		private var _grabbed:Boolean;
		private var _orbiting:Boolean;
		private var _yaw:Number = 0;

public function TestPV3DRenderingControlRenderAsNeeded() {
			super();
			init();
			render();
		}

private function init():void {
			initStage();
			initView();
			initItem();
		}

private function initStage():void {
			SWFProfiler.init(this);
			stage.frameRate = 30;
			addEventListener(Event.ENTER_FRAME, enterFrameEventHandler);
		}
		
		private function enterFrameEventHandler(e:Event):void {
			if (_orbiting) _view.singleRender();
		}

private function mouseUpEventHandler(e:MouseEvent):void {
			_grabbed = _orbiting = false;
		}

private function mouseDownEventHandler(e:MouseEvent):void {
			_grabbed = true;
		}

private function mouseMoveEventHandler(e:MouseEvent):void {
			if (!_grabbed) return;
			_yaw++;
			_yaw %= 360;
			_view.camera.orbit(90, _yaw, true, DisplayObject3D.ZERO);
			_orbiting = true;
		}

private function initView():void {
			_view = new BasicView(1, 1, true, true);
			_view.mouseEnabled = true;
			_view.addEventListener(MouseEvent.MOUSE_UP, mouseUpEventHandler);
			_view.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownEventHandler);
			_view.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveEventHandler);
			addChild(_view);
			var g:Graphics = _view.graphics;
			g.beginFill(0x202020);
			g.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
			g.endFill();
		}

private function initItem():void{
			for (var i:uint = 0; i < 100; i++) {
				var item:DisplayObject3D = createItem();
				item.x = -500 * Math.random() + 500 * Math.random();
				item.y = -500 * Math.random() + 500 * Math.random();
				item.z = 1000 * Math.random();
				_view.scene.addChild(item);
			}
		}

private static function createItem():DisplayObject3D {
			return new Sphere(null, 50);
		}

private function render():void {
			_view.singleRender();
		}
	}
}

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