pv3d勉強100428

転がってるように作りたかったけど、Ｘ軸周りが逆になるときがある。
@author atsu

by atsu 28 Apr 2010

Embed

package  
{
	import flash.display.*;
	import flash.events.*;
	import flash.filters.BlurFilter;
	import org.papervision3d.core.effects.view.ReflectionView;
	import org.papervision3d.lights.PointLight3D;
	import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
	import org.papervision3d.objects.primitives.Sphere;
	
	import org.papervision3d.view.*;
	
	/**
	 * 転がってるように作りたかったけど、Ｘ軸周りが逆になるときがある。
	 * @author atsu
	 */
	
	[SWF(frameRate = "50")]
	public class Main extends ReflectionView
	{
		private var sw:Number;
		private var sh:Number;
		private var cx:Number;
		private var cy:Number;
		
		private var light:PointLight3D;
		private var material:FlatShadeMaterial;
		private var sphere:Sphere;
		
		private var a:Number = 100 * Math.PI;
		
		public function Main() 
		{
			addEventListener(Event.ADDED_TO_STAGE, addToStage);
		}
		
		private function addToStage(e:Event):void 
		{
			removeEventListener(Event.ADDED_TO_STAGE, addToStage);
			setStage();
			getStageSize();
			setDO3D();
		}
		
		private function setStage():void
		{
			stage.quality = StageQuality.MEDIUM;
			stage.align = StageAlign.TOP_LEFT;
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.showDefaultContextMenu = false;
		}
		
		private function getStageSize():void
		{
			sw = stage.stageWidth;
			sh = stage.stageHeight;
			cx = sw / 2;
			cy = sh / 2;
		}
		
		private function setDO3D():void
		{
			light = new PointLight3D(true);
			trace(light.x, light.y, light.z);
			light.y = 600;
			
			material = new FlatShadeMaterial(light, 0xFFFFFF, 0x000000, 1);
			sphere = new Sphere(material, 100, 30, 30);
			scene.addChild(sphere);
			sphere.y = 100;
			
			camera.focus = 40;
			camera.y = 960;
			camera.z = -1280;
			//camera.z = -Math.sqrt(1920000);
			
			surfaceHeight = 0;
			viewportReflection.filters = [new BlurFilter(10, 10, 2)];
			viewportReflection.alpha = 0.3;
			
			addEventListener(Event.ENTER_FRAME, loop);
			stage.addEventListener(Event.RESIZE, resizeEvent);
		}
		
		private function loop(e:Event):void 
		{
			singleRender();
			sphere.x += ((stage.mouseX - cx) - sphere.x) / 50;
			sphere.rotationZ = -sphere.x / a * 360;
			sphere.z += ( -(stage.mouseY - cy) - sphere.z) / 50;
			//sphere.z += -(((stage.mouseY - cy) - sphere.z) / 50);
			sphere.rotationX = sphere.z / a * 360;
		}
		
		private function resizeEvent(e:Event):void
		{
			getStageSize();
		}
		
	}

}