// forked from clockmaker's [PV3D] SpringCamera3D Demo package { import flash.events.*; import flash.geom.*; import flash.utils.*; import caurina.transitions.Tweener; import org.papervision3d.cameras.SpringCamera3D; import org.papervision3d.core.clipping.FrustumClipping; import org.papervision3d.core.geom.renderables.VectorShapeRenderable; import org.papervision3d.core.math.Number3D; import org.papervision3d.lights.PointLight3D; import org.papervision3d.materials.shadematerials.FlatShadeMaterial; import org.papervision3d.materials.utils.MaterialsList; import org.papervision3d.objects.DisplayObject3D; import org.papervision3d.objects.primitives.*; import org.papervision3d.view.BasicView; public class Random extends BasicView { static public const OBJ_MAX:int = 100; private var springCamera:SpringCamera3D; public function Random():void { stage.frameRate = 60; var light:PointLight3D = new PointLight3D(); var material:FlatShadeMaterial = new FlatShadeMaterial(light, 0xFFFFFF, 0x000000); var list:Vector.<DisplayObject3D> = new Vector.<DisplayObject3D>(OBJ_MAX, true); var len:uint = 3000; for (var i:int = 0; i < OBJ_MAX; i++) { var cube:Cube = new Cube(new MaterialsList({all:material}), 50, 50, 50, 1, 1, 1); cube.x = len * Math.random() - len / 2; cube.y = len * Math.random() - len / 2; cube.z = len * Math.random() - len / 2; cube.rotationX = 360 * Math.random(); cube.rotationY = 360 * Math.random(); cube.rotationZ = 360 * Math.random(); list[i] = scene.addChild(cube); } var eye:DisplayObject3D = scene.addChild(new Cube(new MaterialsList( { all:material } ), 50, 50, 50, 1, 1, 1)); springCamera = new SpringCamera3D(); springCamera.focus = 300; springCamera.zoom = 1; springCamera.target = eye; springCamera.positionOffset = new Number3D(0, 100, 100); springCamera.mass = 30; springCamera.damping = 30; springCamera.stiffness = 1; var timer:Timer = new Timer(3000); timer.addEventListener(TimerEvent.TIMER, function(e:TimerEvent):void { var target:DisplayObject3D = list[Math.random() * list.length | 0]; Tweener.addTween(eye, { x : target.x, y : target.y + 100, z : target.z, rotationX : target.rotationX, rotationY : target.rotationY, rotationZ : target.rotationZ, time : 2.9, transition : "easeInOutExpo", onUpdate : function():void { light.copyTransform(eye); } }) }) timer.start(); startRendering() // BackGround var bgMatrix:Matrix = new Matrix(); bgMatrix.rotate(90 * Math.PI / 180); graphics.beginGradientFill("linear", [0xFFFFFF, 0x001122], [100, 100], [0, 255], bgMatrix); graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight); } /** * Render Method for Spring Camera */ override protected function onRenderTick(event:Event=null):void { renderer.renderScene(scene, springCamera, viewport); } } }