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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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65
example/lib/camera_matrix_overlay.dart
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@@ -3,6 +3,7 @@ import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_filament/filament_controller.dart';
import 'package:vector_math/vector_math_64.dart' as v;
class CameraMatrixOverlay extends StatefulWidget {
final FilamentController controller;
@@ -43,6 +44,7 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
projMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
_cameraCullingProjectionMatrix =
cullingMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
_getFrustum();
}
setState(() {});
@@ -55,6 +57,12 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
}
}
v.Frustum? _frustum;
void _getFrustum() async {
_frustum = await widget.controller.getCameraFrustum();
}
@override
void initState() {
super.initState();
@@ -87,17 +95,50 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
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(),
]));
children: <Widget>[
Text("Camera position : $_cameraPosition $_cameraRotation",
style:
const TextStyle(color: Colors.white, fontSize: 10)),
// 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(),
widget.showProjectionMatrices
? const Text("Frustum matrix",
style: TextStyle(color: Colors.white, fontSize: 10))
: Container()
] +
(_frustum == null
? []
: [
_frustum!.plane0,
_frustum!.plane1,
_frustum!.plane2,
_frustum!.plane3,
_frustum!.plane4,
_frustum!.plane5
]
.map((plane) => Row(
children: [
plane.normal.x,
plane.normal.y,
plane.normal.z,
plane.constant
]
.map((v) => Text(
v.toStringAsFixed(2) + " ",
style: const TextStyle(
color: Colors.white,
fontSize: 10),
textAlign: TextAlign.center,
))
.cast<Widget>()
.toList()))
.cast<Widget>()
.toList())));
}
}