mouse

Looking around the inside of a Sphere

Monday, January 5th, 2009 | examples | Comments


source

package
{
	import flash.events.Event;
	import flash.ui.Mouse;
 
	import org.papervision3d.core.proto.MaterialObject3D;
	import org.papervision3d.core.utils.Mouse3D;
	import org.papervision3d.materials.ColorMaterial;
	import org.papervision3d.materials.WireframeMaterial;
	import org.papervision3d.materials.special.CompositeMaterial;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Plane;
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.view.BasicView;
	import org.papervision3d.view.layer.ViewportLayer;
	import org.papervision3d.view.layer.util.ViewportLayerSortMode;
 
	[SWF(width="640", height="480", backgroundColor="#000000", frameRate="60")]
	public class LookingAroundTheInsideOfASphere extends BasicView
	{
		private var lookAtMe:DisplayObject3D;
		private var sphere:Sphere;
		private var mouse3D:Mouse3D;
		private var plane:Plane;
 
		public function LookingAroundTheInsideOfASphere()
		{
			viewport.interactive = true;
			mouse3D = viewport.interactiveSceneManager.mouse3D;
			Mouse3D.enabled = true;
 
			lookAtMe = new DisplayObject3D();
 
			var wireframeMaterial:WireframeMaterial = new WireframeMaterial(0x444444);
			var colorMaterial:ColorMaterial = new ColorMaterial(0xdddddd);
			var sphereMaterial:CompositeMaterial = new CompositeMaterial();
			sphereMaterial.addMaterial(wireframeMaterial);
			sphereMaterial.addMaterial(colorMaterial);
			sphereMaterial.interactive = true;
			sphereMaterial.doubleSided = true;
 
			sphere = new Sphere(sphereMaterial, 500, 24, 18);
 
			var planeMaterial:MaterialObject3D = new ColorMaterial(0xcc0000);
			planeMaterial.doubleSided = true;
			plane = new Plane(planeMaterial, 50, 50);
 
			var viewportLayer:ViewportLayer = new ViewportLayer(viewport, plane);
			viewportLayer.layerIndex = 1;
 
			viewport.containerSprite.sortMode = ViewportLayerSortMode.INDEX_SORT;
			viewport.containerSprite.addLayer(viewportLayer);
 
			scene.addChild(plane);
 
			camera.z = -300;
			camera.target = lookAtMe;
 
			scene.addChild(sphere);
 
			startRendering();	
 
			Mouse.hide();
		}
 
		override protected function onRenderTick(event:Event=null):void
		{
			lookAtMe.x += (mouse3D.x - lookAtMe.x) * .03;
			lookAtMe.y += (mouse3D.y - lookAtMe.y) * .03;
 
			plane.copyTransform(mouse3D);
 
			super.onRenderTick(event);
		}
	}
}

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Embedding a Collada File

Saturday, December 6th, 2008 | examples, requests | Comments


source

package
{
	import flash.display.Bitmap;
	import flash.events.MouseEvent;
	import flash.utils.ByteArray;
 
	import org.papervision3d.materials.BitmapMaterial;
	import org.papervision3d.objects.parsers.DAE;
	import org.papervision3d.render.QuadrantRenderEngine;
	import org.papervision3d.view.BasicView;
 
	[SWF(width="640", height="480", backgroundColor="#000000", frameRate="60")]
	public class ColladaExample extends BasicView
	{
		[Embed(source="assets/c.DAE", mimeType = "application/octet-stream")]
		private var daeAsset:Class;
 
		[Embed(source="assets/materials/c.png")]
		private var materialAsset:Class;
 
		private var cameraPitch:Number = 90;
		private var cameraYaw:Number = 270;
		private var isOrbiting:Boolean = false;
		private var previousMouseX:Number;
		private var previousMouseY:Number;
 
		public function ColladaExample()
		{
			var byteArray:ByteArray = new daeAsset() as ByteArray;
			var dae:DAE = new DAE();
			dae.load(byteArray);
 
			var bitmap:Bitmap = new materialAsset() as Bitmap;
			var bitmapMaterial:BitmapMaterial = new BitmapMaterial(bitmap.bitmapData, true);
			dae.materials.addMaterial(bitmapMaterial, "cMaterial");
 
			scene.addChild(dae);
 
			startRendering();
 
			stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
			stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
			stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
			stage.addEventListener(MouseEvent.MOUSE_WHEEL, mouseWheelHandler);
		}
 
		private function mouseWheelHandler(event:MouseEvent):void
		{
			camera.moveForward(10 * event.delta);
		}
 
		private function onMouseDown(event:MouseEvent):void
		{
			isOrbiting = true;
			previousMouseX = event.stageX;
			previousMouseY = event.stageY;
		}
 
		private function onMouseUp(event:MouseEvent):void
		{
			isOrbiting = false;
		}
 
		private function onMouseMove(event:MouseEvent):void
		{
			var differenceX:Number = event.stageX - previousMouseX;
			var differenceY:Number = event.stageY - previousMouseY;
 
			if(isOrbiting)
			{
				cameraPitch += differenceY;
				cameraYaw += differenceX;
 
				cameraPitch %= 360;
				cameraYaw %= 360;
 
				cameraPitch = cameraPitch > 0 ? cameraPitch : 0.0001;
				cameraPitch = cameraPitch < 90 ? cameraPitch : 89.9999;
 
				previousMouseX = event.stageX;
				previousMouseY = event.stageY;
 
				camera.orbit(cameraPitch, cameraYaw);
			}
		}
 
	}
}

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Distance to Mouse using a dummy 3d object

Saturday, November 29th, 2008 | snippets | Comments
package
{
	import flash.events.Event;
 
	import org.papervision3d.core.math.Number3D;
	import org.papervision3d.objects.DisplayObject3D;
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.view.BasicView;
 
	[SWF(width="640", height="480", backgroundColor="#000000", frameRate="60")]
	public class DistanceFrom3DMouse extends BasicView
	{
		private var sphere:Sphere = new Sphere();
		private var mouseDO3D:DisplayObject3D = new Sphere();
 
		public function DistanceFrom3DMouse ()
		{
			sphere.x = -500;
			sphere.y = 200;
 
//			scene.addChild(mouseDO3D); uncomment to see mouse sphere
			scene.addChild(sphere);
 
			startRendering();
		}
 
		override protected function onRenderTick(event:Event=null):void
		{
			var ray:Number3D = camera.unproject(viewport.containerSprite.mouseX, viewport.containerSprite.mouseY);
			ray.normalize();
			ray.multiplyEq(sphere.distanceTo(camera));
			ray = Number3D.add(ray, camera.position);
 
			mouseDO3D.position = ray;
 
			var distance:Number = sphere.distanceTo(mouseDO3D);
 
			renderer.renderScene(scene, camera, viewport);
		}
	}
}

I’m open to suggestions for a better way to do this :)

Tags: ,

Distance from Mouse using screen coordinates

Saturday, November 29th, 2008 | snippets | Comments
package
{
	import flash.events.Event;
 
	import org.papervision3d.objects.primitives.Sphere;
	import org.papervision3d.view.BasicView;
 
	[SWF(width="640", height="480", backgroundColor="#000000", frameRate="60")]
	public class DistanceFrom2DMouse extends BasicView
	{
		private var sphere:Sphere = new Sphere();
 
		public function DistanceFrom2DMouse() 
		{
			sphere.x = -500;
			sphere.y = -300;
 
			sphere.autoCalcScreenCoords = true;
			scene.addChild(sphere);	
 
			startRendering();
		}
 
		override protected function onRenderTick(event:Event=null):void
		{
			var distanceX:Number = viewport.containerSprite.mouseX - sphere.screen.x;
			var distanceY:Number = viewport.containerSprite.mouseY - sphere.screen.y;
			var distance:Number = Math.sqrt(distanceX * distanceX + distanceY * distanceY);
 
			renderer.renderScene(scene, camera, viewport);
		}
	}
}

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