diff --git a/kplayer.xcodeproj/project.pbxproj b/kplayer.xcodeproj/project.pbxproj
index ad6048f..d644e40 100644
--- a/kplayer.xcodeproj/project.pbxproj
+++ b/kplayer.xcodeproj/project.pbxproj
@@ -25,6 +25,7 @@
 		1C7365C59F72C29EA41C8717 /* SVideoModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C736EEC570C71AAC50F2E95 /* SVideoModel.swift */; };
 		1C7365CE76693E7772585CA8 /* SVideoPlayer.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C73621E431C9BEC1440B936 /* SVideoPlayer.swift */; };
 		1C73666A07CF2416B1B8D3F0 /* KSettingsModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C736C94157754DE1C808173 /* KSettingsModel.swift */; };
+		1C736690D123BD4B24874394 /* pathfinder.scpt in Sources */ = {isa = PBXBuildFile; fileRef = 1C7369BED02028D8564E82D5 /* pathfinder.scpt */; };
 		1C7366A0CFD2B55BF8C3BAF0 /* NetworkDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C7364F10BED5DA0F1C0423C /* NetworkDelegate.swift */; };
 		1C7367084839D2E8B180DB74 /* UIViewController+Alert.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C7360295486647982CFEACF /* UIViewController+Alert.swift */; };
 		1C73671FC2CCCACAA2FFC153 /* ThumbnailCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1C736EA15A11AF7D57F85824 /* ThumbnailCache.swift */; };
@@ -120,6 +121,7 @@
 		1C7367ECBD369A2A0C94C499 /* FileHelper.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FileHelper.swift; sourceTree = "<group>"; };
 		1C73685B4BBFDAFBF08C032C /* readme.md */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = net.daringfireball.markdown; path = readme.md; sourceTree = "<group>"; };
 		1C73688DAB88F9360FB62A49 /* MediaItem.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MediaItem.swift; sourceTree = "<group>"; };
+		1C7369BED02028D8564E82D5 /* pathfinder.scpt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.scpt; path = pathfinder.scpt; sourceTree = "<group>"; };
 		1C7369EC16B19B32B515169E /* NetData.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = NetData.swift; sourceTree = "<group>"; };
 		1C7369F53095B7A4D65679C2 /* DetailViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = DetailViewController.swift; sourceTree = "<group>"; };
 		1C736A6E8396EE306B1AD3A8 /* KSettingsView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = KSettingsView.swift; sourceTree = "<group>"; };
@@ -312,6 +314,7 @@
 				8052F5B3AAC2535E5C08A529 /* Pods */,
 				1C73685B4BBFDAFBF08C032C /* readme.md */,
 				1C7363E0DDA5854D55F8836E /* scratch.txt */,
+				1C7369BED02028D8564E82D5 /* pathfinder.scpt */,
 			);
 			sourceTree = "<group>";
 		};
@@ -588,6 +591,7 @@
 				1C7367084839D2E8B180DB74 /* UIViewController+Alert.swift in Sources */,
 				1C7363C2E744C2318879127D /* FlexibleView.swift in Sources */,
 				1C736C8DAD6C2FBB9A2EA625 /* SearchItemView.swift in Sources */,
+				1C736690D123BD4B24874394 /* pathfinder.scpt in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
diff --git a/kplayer/video/SVideoPlayer.swift b/kplayer/video/SVideoPlayer.swift
index 753b3ec..b021b9c 100644
--- a/kplayer/video/SVideoPlayer.swift
+++ b/kplayer/video/SVideoPlayer.swift
@@ -6,12 +6,14 @@
 import Foundation
 import SwiftUI
 import AVKit
+import CoreMotion
 
 struct SVideoPlayer: View, EditItemDelegate {
     // url: URL(string: "https://bitdash-a.akamaihd.net/content/sintel/hls/playlist.m3u8")!
     var player = AVQueuePlayer(items: [AVPlayerItem]())
     var playerLooper : AVPlayerLooper
     var completionHandler: ((Bool) -> Void)?
+    let motionManager = CMMotionManager()
 
     @ObservedObject
     var model: SVideoModel
@@ -22,9 +24,13 @@ struct SVideoPlayer: View, EditItemDelegate {
     @State var savetext = "save"
     @State var confirmationShown = false
     @State var seekSmoothly = false
+    @State var upsidedown = false
+    @State var tilt = false
     @State var smoothTime = -1.0
     @State var smoothSeekTime = -1.0
     @State var timeCounter = 0
+    @State var xoffs = 0.0
+    @State var rotazero = -1000.0
 
     @State var orientation = UIDevice.current.orientation
 
@@ -74,6 +80,22 @@ struct SVideoPlayer: View, EditItemDelegate {
                         Text("zoom")
                     })
                             .foregroundColor(model.zoomed ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
+                    Button(action: {
+                        upsidedown.toggle()
+                    }, label: {
+                        Text("flip")
+                    }).foregroundColor(upsidedown ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
+                    Button(action: {
+                        tilt.toggle()
+                        if tilt {
+                            motionManager.startDeviceMotionUpdates(using: .xMagneticNorthZVertical)
+                        }
+                        else {
+                            motionManager.stopDeviceMotionUpdates()
+                        }
+                    }, label: {
+                        Text("tilt")
+                    }).foregroundColor(tilt ? Color.yellow : Color.blue).buttonStyle(BorderlessButtonStyle())
                     Button(action: {
                         model.favorite.toggle()
                     }, label: {
@@ -149,7 +171,8 @@ struct SVideoPlayer: View, EditItemDelegate {
                     let v = VideoPlayerView(model: model,
                             player: player)
                             .scaleEffect(model.scale)
-                            .offset(model.dragOffset)
+                            .rotation3DEffect(.degrees(upsidedown ? 180 : 0), axis: (x: 1, y: 0, z: 0))
+                            .offset(model.dragOffset).offset(x: xoffs, y:0)
                             .gesture(
                                     DragGesture()
                                             .onChanged { gesture in
@@ -195,7 +218,7 @@ struct SVideoPlayer: View, EditItemDelegate {
 
         }
                 .onAppear() {
-                    model.observer = player.addPeriodicTimeObserver(forInterval: CMTime(seconds: 0.1, preferredTimescale: 600), queue: nil) { time in
+                    model.observer = player.addPeriodicTimeObserver(forInterval: CMTime(seconds: 0.02, preferredTimescale: 600), queue: nil) { time in
                         if timeCounter >= 1 {
                             timeCounter -= 1
                         }
@@ -204,7 +227,36 @@ struct SVideoPlayer: View, EditItemDelegate {
                                 seekTime(model.currentSnapshot.time)
                             }
                         }
+                        if tilt {
+                        if let data = motionManager.deviceMotion {
+                            var rotation = atan2(data.gravity.x,
+                                    data.gravity.y) - .pi
 
+                            if rotation < (-1 * .pi) {
+                                rotation += .pi + .pi
+                            }
+                            rotation *= 100.0
+                            if rotazero == -1000 {
+                                rotazero = rotation
+                            }
+
+                            rotation -= rotazero
+
+                           // let roll = accelerometerData.attitude.yaw
+                            if rotation > 30 {
+                                xoffs += 3;
+                            //    print(xoffs)
+                            }
+                            if rotation < -30 {
+                                xoffs -= 3;
+                            //    print(xoffs)
+                            }
+                         //   print(Int(rotation * 100.0) )
+                        }}
+                        else {
+                            xoffs = 0.0
+                            rotazero = -1000
+                        }
                     }
 
                     player.automaticallyWaitsToMinimizeStalling = false