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expose getters for near/far culling distance and clean up example project for more readability on frustum

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This commit is contained in:
Nick Fisher
2023-12-17 15:17:17 +08:00
parent 8c3d113ab4
commit 3e368e1a31
9 changed files with 147 additions and 62 deletions
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69
example/lib/menus/camera_submenu.dart
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@@ -15,8 +15,20 @@ class CameraSubmenu extends StatefulWidget {
}
class _CameraSubmenuState extends State<CameraSubmenu> {
double _near = 0.05;
double _far = 1000.0;
double? _near;
double? _far;
@override
void initState() {
super.initState();
widget.controller.getCameraCullingNear().then((v) {
_near = v;
widget.controller.getCameraCullingFar().then((v) {
_far = v;
setState(() {});
});
});
}
final _menuController = MenuController();
@@ -30,7 +42,7 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
print("Set to ${ExampleWidgetState.showProjectionMatrices}");
},
child: Text(
'${ExampleWidgetState.showProjectionMatrices.value ? "Hide" : "Display"} camera projection/culling projection matrices',
'${ExampleWidgetState.showProjectionMatrices.value ? "Hide" : "Display"} camera frustum',
style: TextStyle(
fontWeight: ExampleWidgetState.showProjectionMatrices.value
? FontWeight.bold
@@ -54,7 +66,9 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
.map((v) => MenuItemButton(
onPressed: () {
_near = v;
widget.controller.setCameraCulling(_near, _far);
print("Setting camera culling to $_near $_far!");
widget.controller.setCameraCulling(_near!, _far!);
},
child: Text(
v.toStringAsFixed(2),
@@ -67,7 +81,8 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
.map((v) => MenuItemButton(
onPressed: () {
_far = v;
widget.controller.setCameraCulling(_near, _far);
print("Setting camera culling to $_near! $_far");
widget.controller.setCameraCulling(_near!, _far!);
},
child: Text(
v.toStringAsFixed(2),
@@ -79,7 +94,14 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
onPressed: () async {
widget.controller.setCameraPosition(1.0, 1.0, -1.0);
},
child: const Text('Move to 1, 1, -1'),
child: const Text('Set position to 1, 1, -1 (leave rotation as-is)'),
),
MenuItemButton(
onPressed: () async {
widget.controller.setCameraPosition(0.0, 0.0, 0.0);
widget.controller.setCameraRotation(0, 0.0, 1.0, 0.0);
},
child: const Text('Move to 0,0,0, facing towards 0,0,-1'),
),
MenuItemButton(
onPressed: () async {
@@ -130,38 +152,6 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
});
},
child: const Text("Get projection matrix")),
MenuItemButton(
closeOnActivate: false,
onPressed: () async {
var frustum = await widget.controller.getCameraFrustum();
var normalString = [
frustum.plane0,
frustum.plane1,
frustum.plane2,
frustum.plane3,
frustum.plane4,
frustum.plane5
]
.map((plane) =>
plane.normal.storage
.map((v) => v.toStringAsFixed(2))
.join(",") +
",${plane.constant}")
.join("\n");
showDialog(
context: context,
builder: (ctx) {
return Center(
child: Container(
height: 300,
width: 300,
color: Colors.white,
child:
Text("Frustum plane normals : $normalString ")));
});
_menuController.close();
},
child: const Text("Get frustum")),
SubmenuButton(
menuChildren: ManipulatorMode.values.map((mm) {
return MenuItemButton(
@@ -233,6 +223,9 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
@override
Widget build(BuildContext context) {
if (_near == null || _far == null) {
return Container();
}
return SubmenuButton(
controller: _menuController,
menuChildren: _cameraMenu(),