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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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68
example/lib/camera_matrix_overlay.dart
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@@ -6,8 +6,12 @@ import 'package:flutter_filament/filament_controller.dart';
class CameraMatrixOverlay extends StatefulWidget {
final FilamentController controller;
final bool showProjectionMatrices;
const CameraMatrixOverlay({super.key, required this.controller});
const CameraMatrixOverlay(
{super.key,
required this.controller,
required this.showProjectionMatrices});
@override
State<StatefulWidget> createState() => _CameraMatrixOverlayState();
@@ -18,21 +22,36 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
String? _cameraPosition;
String? _cameraRotation;
String? _cameraProjectionMatrix;
String? _cameraCullingProjectionMatrix;
void _tick(Timer timer) async {
var cameraPosition = await widget.controller.getCameraPosition();
var cameraRotation = await widget.controller.getCameraRotation();
_cameraPosition =
"${cameraPosition.storage.map((v) => v.toStringAsFixed(2))}";
_cameraRotation =
"${cameraRotation.storage.map((v) => v.toStringAsFixed(2))}";
if (widget.showProjectionMatrices) {
var projMatrix = await widget.controller.getCameraProjectionMatrix();
var cullingMatrix =
await widget.controller.getCameraCullingProjectionMatrix();
_cameraProjectionMatrix =
projMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
_cameraCullingProjectionMatrix =
cullingMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
}
setState(() {});
}
void _updateTimer() {
_cameraTimer?.cancel();
if (widget.controller.hasViewer.value) {
_cameraTimer =
Timer.periodic(const Duration(milliseconds: 50), (timer) async {
var cameraPosition = await widget.controller.getCameraPosition();
var cameraRotation = await widget.controller.getCameraRotation();
_cameraPosition =
"${cameraPosition.storage.map((v) => v.toStringAsFixed(2))}";
_cameraRotation =
"${cameraRotation.storage.map((v) => v.toStringAsFixed(2))}";
setState(() {});
});
_cameraTimer = Timer.periodic(const Duration(milliseconds: 50), _tick);
}
}
@@ -45,6 +64,12 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
widget.controller.hasViewer.addListener(_updateTimer);
}
@override
void didUpdateWidget(CameraMatrixOverlay oldWidget) {
super.didUpdateWidget(oldWidget);
setState(() {});
}
@override
void dispose() {
super.dispose();
@@ -59,7 +84,20 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
color: Colors.black.withOpacity(0.5),
borderRadius: BorderRadius.circular(29)),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
child: Text("Camera position : $_cameraPosition $_cameraRotation",
style: const TextStyle(color: Colors.white, fontSize: 12)));
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
Text("Camera position : $_cameraPosition $_cameraRotation",
style: const TextStyle(color: Colors.white, fontSize: 12)),
widget.showProjectionMatrices
? Text("Projection matrix : $_cameraProjectionMatrix",
style: const TextStyle(color: Colors.white, fontSize: 12))
: Container(),
widget.showProjectionMatrices
? Text("Culling matrix : $_cameraCullingProjectionMatrix",
style: const TextStyle(color: Colors.white, fontSize: 12))
: Container(),
]));
}
}