gistfile1.txt

/*
Gyroscope の ANE に付属の Gyroscope クラスをインポートして使用しています。
プロジェクトは FlashBuilder の ActionScript モバイルプロジェクトを
AIR for iOS（AIR 3.3）でビルドしました。

link
http://www.digifie.jp/blog/archives/998
http://www.adobe.com/devnet/air/native-extensions-for-air/extensions/gyroscope.html
*/
 
package
{
    import away3d.cameras.Camera3D;
    import away3d.containers.Scene3D;
    import away3d.containers.View3D;
    import away3d.loaders.Loader3D;
    import away3d.loaders.parsers.Parsers;
 
    import com.adobe.nativeExtensions.Gyroscope;
    import com.adobe.nativeExtensions.GyroscopeEvent;
 
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Vector3D;
    import flash.net.URLRequest;
 
    public class GyroscopeExample extends Sprite
    {
 
        private var _gyro:Gyroscope;
 
        private var _view:View3D;
        private var _scene:Scene3D;
        private var _camera:Camera3D;
 
        private var _loader:Loader3D;
 
        public function GyroscopeExample()
        {
            Parsers.enableAllBundled();
 
            if( Gyroscope.isSupported )
            {
                setupGyro();
            }
 
            setup3d();
        }
 
        private function setup3d():void
        {
            _view = addChild(new View3D()) as View3D;
            _view.antiAlias = 4;
            _view.backgroundColor = 0xFFFFFF;
 
            _scene = _view.scene;
            _camera = _view.camera;    
 
            _loader = new Loader3D(true, null);
            _loader.load( new URLRequest("model/model.3ds"));
            _scene.addChild( loader );
 
            _loader.scaleX = _loader.scaleY = _loader.scaleZ = 6;
            _loader.y = -500;
 
            addEventListener( Event.ENTER_FRAME, render );
        }
 
        private function setupGyro():void
        {
            _gyro = new Gyroscope();
            _gyro.setRequestedUpdateInterval( 50 );
            _gyro.addEventListener( GyroscopeEvent.UPDATE, onChange );
        }
 
        private var _angleX:Number = 0;
        private var _angleY:Number = 0;
        private var _angleZ:Number = 0;
 
        private function onChange( e:GyroscopeEvent ):void
        {
            angleX += e.x * .1;
            angleY += e.y * .1;
            angleZ += e.z * .1;
 
            _camera.x = 1000 * Math.sin( _angleX );
            _camera.z = 1000 * Math.cos( _angleZ );
            _camera.y = 1000 * Math.sin( _angleY );
        }
 
        private function render( e:Event ):void
        {
            _camera.lookAt(new Vector3D());
            _view.render();
        }
 
    }
}

not recommended for people with weak vestibular apparatus ;)

haha, i got strong one ;)