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add setCameraCulling method to set near/far culling plane and return vector_math:Frustum from planes returned by get_camera_frustum

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This commit is contained in:
Nick Fisher
2023-11-09 15:08:34 +08:00
parent 76f723c497
commit f2a458b9ca
11 changed files with 227 additions and 104 deletions
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79
example/lib/menus/camera_submenu.dart
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@@ -15,8 +15,66 @@ class CameraSubmenu extends StatefulWidget {
}
class _CameraSubmenuState extends State<CameraSubmenu> {
double _near = 0.05;
double _far = 1000.0;
final _menuController = MenuController();
List<Widget> _cameraMenu() {
return [
MenuItemButton(
closeOnActivate: false,
onPressed: () async {
ExampleWidgetState.showProjectionMatrices.value =
!ExampleWidgetState.showProjectionMatrices.value;
print("Set to ${ExampleWidgetState.showProjectionMatrices}");
},
child: Text(
'${ExampleWidgetState.showProjectionMatrices.value ? "Hide" : "Display"} camera projection/culling projection matrices',
style: TextStyle(
fontWeight: ExampleWidgetState.showProjectionMatrices.value
? FontWeight.bold
: FontWeight.normal),
),
),
SubmenuButton(
menuChildren: [1.0, 7.0, 14.0, 28.0, 56.0]
.map((v) => MenuItemButton(
onPressed: () {
widget.controller.setCameraFocalLength(v);
},
child: Text(
v.toStringAsFixed(2),
),
))
.toList(),
child: const Text("Set camera focal length")),
SubmenuButton(
menuChildren: [0.05, 0.1, 1.0, 10.0, 100.0]
.map((v) => MenuItemButton(
onPressed: () {
_near = v;
widget.controller.setCameraCulling(_near, _far);
},
child: Text(
v.toStringAsFixed(2),
),
))
.toList(),
child: const Text("Set near")),
SubmenuButton(
menuChildren: [5.0, 50.0, 500.0, 1000.0, 100000.0]
.map((v) => MenuItemButton(
onPressed: () {
_far = v;
widget.controller.setCameraCulling(_near, _far);
},
child: Text(
v.toStringAsFixed(2),
),
))
.toList(),
child: const Text("Set far")),
MenuItemButton(
onPressed: () async {
widget.controller.setCameraPosition(1.0, 1.0, -1.0);
@@ -80,7 +138,21 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
closeOnActivate: false,
onPressed: () async {
var frustum = await widget.controller.getCameraFrustum();
await showDialog(
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(
@@ -88,8 +160,10 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
height: 300,
width: 300,
color: Colors.white,
child: Text(frustum.toString())));
child:
Text("Frustum plane normals : $normalString ")));
});
_menuController.close();
},
child: const Text("Get frustum")),
SubmenuButton(
@@ -164,6 +238,7 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
@override
Widget build(BuildContext context) {
return SubmenuButton(
controller: _menuController,
menuChildren: _cameraMenu(),
child: const Text("Camera"),
);