start using menu for example project & add methods for getting camera model/view matrices

example/lib/scene_menu.dart

@@ -1,12 +1,11 @@
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
+
 import 'package:flutter_filament/filament_controller.dart';
 
 class SceneMenu extends StatefulWidget {
   final FilamentController? controller;
 
-  SceneMenu({super.key, required this.controller});
+  const SceneMenu({super.key, required this.controller});
 
   @override
   State<StatefulWidget> createState() {
@@ -15,9 +14,8 @@ class SceneMenu extends StatefulWidget {
 }
 
 class _SceneMenuState extends State<SceneMenu> {
-  FilamentEntity? _shapes;
-  List<String>? _animations;
-  bool _hasSkybox = false;
+  bool _postProcessing = true;
+
   final FocusNode _buttonFocusNode = FocusNode(debugLabel: 'Camera Menu');
 
   @override
@@ -29,6 +27,14 @@ class _SceneMenuState extends State<SceneMenu> {
     }
   }
 
+  bool _coneHidden = false;
+  FilamentEntity? _shapes;
+  FilamentEntity? _directionalLight;
+  List<String>? _animations;
+  bool _loop = false;
+
+  bool _hasSkybox = false;
+
   List<MenuItemButton> _assetMenu() {
     return [
       MenuItemButton(
@@ -84,6 +90,101 @@ class _SceneMenuState extends State<SceneMenu> {
     ];
   }
 
+  bool _frustumCulling = true;
+  ManipulatorMode _cameraManipulatorMode = ManipulatorMode.ORBIT;
+
+  double _zoomSpeed = 0.01;
+  double _orbitSpeedX = 0.01;
+  double _orbitSpeedY = 0.01;
+
+  List<Widget> _cameraMenu() {
+    return [
+      MenuItemButton(
+        onPressed: () {
+          widget.controller!.moveCameraToAsset(_shapes!);
+        },
+        child: const Text("Move camera to shapes asset"),
+      ),
+      MenuItemButton(
+        onPressed: () {
+          setState(() {
+            _frustumCulling = !_frustumCulling;
+          });
+          widget.controller!.setViewFrustumCulling(_frustumCulling);
+        },
+        child:
+            Text("${_frustumCulling ? "Disable" : "Enable"} frustum culling"),
+      ),
+      SubmenuButton(
+          menuChildren: ManipulatorMode.values.map((mm) {
+            return MenuItemButton(
+              onPressed: () {
+                _cameraManipulatorMode = mm;
+                widget.controller!.setCameraManipulatorOptions(
+                    mode: _cameraManipulatorMode,
+                    orbitSpeedX: _orbitSpeedX,
+                    orbitSpeedY: _orbitSpeedY,
+                    zoomSpeed: _zoomSpeed);
+                setState(() {});
+              },
+              child: Text(
+                mm.name,
+                style: TextStyle(
+                    fontWeight: _cameraManipulatorMode == mm
+                        ? FontWeight.bold
+                        : FontWeight.normal),
+              ),
+            );
+          }).toList(),
+          child: Text("Manipulator mode")),
+      SubmenuButton(
+          menuChildren: [0.01, 0.1, 1.0, 10.0, 100.0].map((speed) {
+            return MenuItemButton(
+              onPressed: () {
+                _zoomSpeed = speed;
+                widget.controller!.setCameraManipulatorOptions(
+                    mode: _cameraManipulatorMode,
+                    orbitSpeedX: _orbitSpeedX,
+                    orbitSpeedY: _orbitSpeedY,
+                    zoomSpeed: _zoomSpeed);
+                setState(() {});
+              },
+              child: Text(
+                speed.toString(),
+                style: TextStyle(
+                    fontWeight: (speed - _zoomSpeed).abs() < 0.0001
+                        ? FontWeight.bold
+                        : FontWeight.normal),
+              ),
+            );
+          }).toList(),
+          child: const Text("Zoom speed")),
+      SubmenuButton(
+          menuChildren: [0.001, 0.01, 0.1, 1.0].map((speed) {
+            return MenuItemButton(
+              onPressed: () {
+                _orbitSpeedX = speed;
+                _orbitSpeedY = speed;
+                widget.controller!.setCameraManipulatorOptions(
+                    mode: _cameraManipulatorMode,
+                    orbitSpeedX: _orbitSpeedX,
+                    orbitSpeedY: _orbitSpeedY,
+                    zoomSpeed: _zoomSpeed);
+                setState(() {});
+              },
+              child: Text(
+                speed.toString(),
+                style: TextStyle(
+                    fontWeight: (speed - _orbitSpeedX).abs() < 0.0001
+                        ? FontWeight.bold
+                        : FontWeight.normal),
+              ),
+            );
+          }).toList(),
+          child: const Text("Orbit speed (X & Y)"))
+    ];
+  }
+
   bool _rendering = false;
   int _framerate = 60;
 
@@ -107,7 +208,35 @@ class _SceneMenuState extends State<SceneMenu> {
           _framerate = _framerate == 60 ? 30 : 60;
           widget.controller!.setFrameRate(_framerate);
         },
-        child: const Text("Toggle framerate (currently ) "),
+        child: Text("Toggle framerate (currently $_framerate) "),
+      ),
+      MenuItemButton(
+        onPressed: () {
+          widget.controller!.setToneMapping(ToneMapper.LINEAR);
+        },
+        child: const Text("Set tone mapping to linear"),
+      ),
+      MenuItemButton(
+        onPressed: () {
+          setState(() {
+            _postProcessing = !_postProcessing;
+          });
+          widget.controller!.setPostProcessing(_postProcessing);
+        },
+        child: Text("${_postProcessing ? "Disable" : "Enable"} postprocessing"),
+      ),
+      MenuItemButton(
+        onPressed: () async {
+          _directionalLight = await widget.controller!
+              .addLight(1, 6500, 150000, 0, 1, 0, 0, -1, 0, true);
+        },
+        child: const Text("add directional light"),
+      ),
+      MenuItemButton(
+        onPressed: () async {
+          await widget.controller!.clearLights();
+        },
+        child: const Text("clear all lights"),
       ),
     ];
   }
@@ -129,9 +258,9 @@ class _SceneMenuState extends State<SceneMenu> {
                 menuChildren: _assetMenu(),
                 child: const Text("Assets"),
               ),
-              const SubmenuButton(
-                menuChildren: <Widget>[],
-                child: Text("Camera"),
+              SubmenuButton(
+                menuChildren: _cameraMenu(),
+                child: const Text("Camera"),
               ),
             ],
             builder: (BuildContext context, MenuController controller,