// forked from cocoa's PV3D なんとなく地球と月的な・・・ package { import flash.display.Sprite; import flash.events.Event; import org.papervision3d.view.Viewport3D; import org.papervision3d.scenes.Scene3D; import org.papervision3d.cameras.Camera3D; import org.papervision3d.materials.WireframeMaterial; import org.papervision3d.objects.primitives.Sphere; import org.papervision3d.render.BasicRenderEngine; [SWF(width = "450", height = "450", backgroundColor = "#000000", frameRate = "30")] public class PV3DEarth extends Sprite { private var viewport:Viewport3D; private var scene:Scene3D; private var camera:Camera3D; private var material1:WireframeMaterial; private var material2:WireframeMaterial; private var earth:Sphere; private var moon:Sphere; private var renderer:BasicRenderEngine; private var angle:Number; private var speed:Number; private var position:Number; public function PV3DEarth():void { set_3dscene(); init(); } private function set_3dscene():void { viewport = new Viewport3D(450, 450, true, false); addChild(viewport); scene = new Scene3D(); camera = new Camera3D(); renderer = new BasicRenderEngine(); camera.z = -3000; camera.focus = 100; camera.zoom = 6; } private function init():void { material1 = new WireframeMaterial(0xFFCC00); material1.smooth = true; earth = new Sphere(material1, 400, 20, 20); earth.rotationZ = 30; material2 = new WireframeMaterial(0xFF0000); material2.smooth = true; moon = new Sphere(material2, 100, 8, 6); moon.y = 100; speed = -.03; angle = 0; position = 700; moon.z = Math.sin(angle) * position; moon.x = Math.cos(angle) * position; earth.addChild(moon); scene.addChild(earth); addEventListener(Event.ENTER_FRAME, onEnterFrame); } private function move_moon():void{ moon.z = Math.sin(angle) * position; moon.x = Math.cos(angle) * position; angle += speed; moon.rotationY += 5; } private function onEnterFrame(e:Event):void { earth.rotationY -= 1; move_moon(); renderer.renderScene(scene, camera, viewport); } } }