public class testMap2  extends Sprite {

        private var unwrap:UnWrapper;
        private var scene:Scene3D;
        private var model: Pivot3D;
        private var texture0:Texture3D;

        public function testMap2(){

            // configure flash.
            stage.quality = StageQuality.MEDIUM;

            scene = new Scene3D(this);

            texture0 = scene.addTextureFromFile( "UVmappingMAP2.jpg");

            model = scene.addChildFromFile("map/map2.f3d");

            scene.addEventListener( Scene3D.COMPLETE_EVENT, completeEvent );
            scene.addEventListener( Scene3D.UPDATE_EVENT, updateEvent );
        }

        private function completeEvent(e:Event):void {
            var vectorMeshes:Vector.<Mesh3D>= new Vector.<Mesh3D>();
            for (var i:Number = 0; i < model.children.length - 1; i++ ) {
                vectorMeshes.push(model.children[i] as Mesh3D);
            }

            var startTime:Number = getTimer();

            unwrap = new UnWrapper();
            unwrap.processMesh(vectorMeshes);
            unwrap.assignUVMapping(1);

            for each (var m:Mesh3D in vectorMeshes) {
                setTexture(m);
            }

            var timePassed:Number = getTimer() - startTime;
            trace("Seconds passed: " + timePassed / 1000);
        }

        private function setTexture(m:Mesh3D):void {
            var material:Shader3D = new Shader3D();
                material.filters.push( new TextureFilter( texture0,1) );
                material.build();

            m.setMaterial( material );
        }