update example project

2023-11-03 17:28:25 +08:00
parent 58a9542121
commit f5cc7a8174
11 changed files with 732 additions and 372 deletions
--- a/example/lib/scene_menu.dart
+++ b/example/lib/scene_menu.dart
@@ -0,0 +1,157 @@
+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});
+
+  @override
+  State<StatefulWidget> createState() {
+    return _SceneMenuState();
+  }
+}
+
+class _SceneMenuState extends State<SceneMenu> {
+  FilamentEntity? _shapes;
+  List<String>? _animations;
+  bool _hasSkybox = false;
+  final FocusNode _buttonFocusNode = FocusNode(debugLabel: 'Camera Menu');
+
+  @override
+  void didUpdateWidget(SceneMenu oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.controller != oldWidget.controller ||
+        widget.controller!.hasViewer != oldWidget.controller!.hasViewer) {
+      setState(() {});
+    }
+  }
+
+  List<MenuItemButton> _assetMenu() {
+    return [
+      MenuItemButton(
+          onPressed: () async {
+            if (_shapes == null) {
+              _shapes =
+                  await widget.controller!.loadGlb('assets/shapes/shapes.glb');
+              _animations =
+                  await widget.controller!.getAnimationNames(_shapes!);
+            } else {
+              await widget.controller!.removeAsset(_shapes!);
+              _shapes = null;
+              _animations = null;
+            }
+            setState(() {});
+          },
+          child:
+              Text(_shapes == null ? 'load shapes GLB' : 'remove shapes GLB')),
+      MenuItemButton(
+          onPressed: () {
+            widget.controller!.setBackgroundColor(const Color(0xFF73C9FA));
+          },
+          child: const Text("set background color")),
+      MenuItemButton(
+          onPressed: () {
+            widget.controller!.setBackgroundImage('assets/background.ktx');
+          },
+          child: const Text("load background image")),
+      MenuItemButton(
+          onPressed: () {
+            widget.controller!
+                .setBackgroundImage('assets/background.ktx', fillHeight: true);
+          },
+          child: const Text("load background image (fill height)")),
+      MenuItemButton(
+          onPressed: () {
+            if (_hasSkybox) {
+              widget.controller!.removeSkybox();
+            } else {
+              widget.controller!
+                  .loadSkybox('assets/default_env/default_env_skybox.ktx');
+            }
+            _hasSkybox = !_hasSkybox;
+            setState(() {});
+          },
+          child: Text(_hasSkybox ? 'remove skybox' : 'load skybox')),
+      MenuItemButton(
+          onPressed: () {
+            widget.controller!
+                .loadIbl('assets/default_env/default_env_ibl.ktx');
+          },
+          child: const Text('load IBL'))
+    ];
+  }
+
+  bool _rendering = false;
+  int _framerate = 60;
+
+  List<MenuItemButton> _renderingMenu() {
+    return [
+      MenuItemButton(
+        onPressed: () {
+          widget.controller!.render();
+        },
+        child: const Text("Render single frame"),
+      ),
+      MenuItemButton(
+        onPressed: () {
+          _rendering = !_rendering;
+          widget.controller!.setRendering(_rendering);
+        },
+        child: Text("Set continuous rendering to ${!_rendering}"),
+      ),
+      MenuItemButton(
+        onPressed: () {
+          _framerate = _framerate == 60 ? 30 : 60;
+          widget.controller!.setFrameRate(_framerate);
+        },
+        child: const Text("Toggle framerate (currently ) "),
+      ),
+    ];
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder(
+        valueListenable:
+            widget.controller?.hasViewer ?? ValueNotifier<bool>(false),
+        builder: (BuildContext ctx, bool hasViewer, Widget? child) {
+          return MenuAnchor(
+            childFocusNode: _buttonFocusNode,
+            menuChildren: <Widget>[
+              SubmenuButton(
+                menuChildren: _renderingMenu(),
+                child: const Text("Rendering"),
+              ),
+              SubmenuButton(
+                menuChildren: _assetMenu(),
+                child: const Text("Assets"),
+              ),
+              const SubmenuButton(
+                menuChildren: <Widget>[],
+                child: Text("Camera"),
+              ),
+            ],
+            builder: (BuildContext context, MenuController controller,
+                Widget? child) {
+              return Align(
+                  alignment: Alignment.bottomLeft,
+                  child: TextButton(
+                    onPressed: !hasViewer
+                        ? null
+                        : () {
+                            if (controller.isOpen) {
+                              controller.close();
+                            } else {
+                              controller.open();
+                            }
+                          },
+                    child: const Text("Scene"),
+                  ));
+            },
+          );
+        });
+  }
+}