expose getters for near/far culling distance and clean up example project for more readability on frustum
This commit is contained in:
Nick Fisher
@@ -3,6 +3,7 @@ import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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import 'package:flutter_filament/filament_controller.dart';
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import 'package:vector_math/vector_math_64.dart' as v;
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class CameraMatrixOverlay extends StatefulWidget {
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final FilamentController controller;
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@@ -43,6 +44,7 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
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projMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
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_cameraCullingProjectionMatrix =
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cullingMatrix.storage.map((v) => v.toStringAsFixed(2)).join(",");
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_getFrustum();
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}
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setState(() {});
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@@ -55,6 +57,12 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
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}
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}
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v.Frustum? _frustum;
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void _getFrustum() async {
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_frustum = await widget.controller.getCameraFrustum();
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}
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@override
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void initState() {
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super.initState();
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@@ -87,17 +95,50 @@ class _CameraMatrixOverlayState extends State<CameraMatrixOverlay> {
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text("Camera position : $_cameraPosition $_cameraRotation",
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style: const TextStyle(color: Colors.white, fontSize: 12)),
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widget.showProjectionMatrices
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? Text("Projection matrix : $_cameraProjectionMatrix",
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style: const TextStyle(color: Colors.white, fontSize: 12))
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: Container(),
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widget.showProjectionMatrices
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? Text("Culling matrix : $_cameraCullingProjectionMatrix",
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style: const TextStyle(color: Colors.white, fontSize: 12))
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: Container(),
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]));
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children: <Widget>[
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Text("Camera position : $_cameraPosition $_cameraRotation",
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style:
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const TextStyle(color: Colors.white, fontSize: 10)),
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// widget.showProjectionMatrices
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// ? Text("Projection matrix : $_cameraProjectionMatrix",
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// style: const TextStyle(color: Colors.white, fontSize: 12))
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// : Container(),
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// widget.showProjectionMatrices
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// ? Text("Culling matrix : $_cameraCullingProjectionMatrix",
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// style: const TextStyle(color: Colors.white, fontSize: 12))
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// : Container(),
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widget.showProjectionMatrices
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? const Text("Frustum matrix",
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style: TextStyle(color: Colors.white, fontSize: 10))
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: Container()
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] +
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(_frustum == null
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? []
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: [
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_frustum!.plane0,
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_frustum!.plane1,
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_frustum!.plane2,
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_frustum!.plane3,
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_frustum!.plane4,
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_frustum!.plane5
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]
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.map((plane) => Row(
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children: [
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plane.normal.x,
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plane.normal.y,
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plane.normal.z,
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plane.constant
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]
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.map((v) => Text(
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v.toStringAsFixed(2) + " ",
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style: const TextStyle(
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color: Colors.white,
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fontSize: 10),
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textAlign: TextAlign.center,
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))
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.cast<Widget>()
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.toList()))
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.cast<Widget>()
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.toList())));
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}
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}
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@@ -15,8 +15,20 @@ class CameraSubmenu extends StatefulWidget {
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}
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class _CameraSubmenuState extends State<CameraSubmenu> {
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double _near = 0.05;
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double _far = 1000.0;
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double? _near;
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double? _far;
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@override
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void initState() {
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super.initState();
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widget.controller.getCameraCullingNear().then((v) {
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_near = v;
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widget.controller.getCameraCullingFar().then((v) {
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_far = v;
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setState(() {});
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});
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});
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}
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final _menuController = MenuController();
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@@ -30,7 +42,7 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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print("Set to ${ExampleWidgetState.showProjectionMatrices}");
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},
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child: Text(
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'${ExampleWidgetState.showProjectionMatrices.value ? "Hide" : "Display"} camera projection/culling projection matrices',
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'${ExampleWidgetState.showProjectionMatrices.value ? "Hide" : "Display"} camera frustum',
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style: TextStyle(
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fontWeight: ExampleWidgetState.showProjectionMatrices.value
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? FontWeight.bold
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@@ -54,7 +66,9 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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.map((v) => MenuItemButton(
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onPressed: () {
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_near = v;
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widget.controller.setCameraCulling(_near, _far);
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print("Setting camera culling to $_near $_far!");
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widget.controller.setCameraCulling(_near!, _far!);
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},
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child: Text(
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v.toStringAsFixed(2),
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@@ -67,7 +81,8 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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.map((v) => MenuItemButton(
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onPressed: () {
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_far = v;
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widget.controller.setCameraCulling(_near, _far);
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print("Setting camera culling to $_near! $_far");
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widget.controller.setCameraCulling(_near!, _far!);
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},
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child: Text(
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v.toStringAsFixed(2),
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@@ -79,7 +94,14 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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onPressed: () async {
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widget.controller.setCameraPosition(1.0, 1.0, -1.0);
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},
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child: const Text('Move to 1, 1, -1'),
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child: const Text('Set position to 1, 1, -1 (leave rotation as-is)'),
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),
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MenuItemButton(
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onPressed: () async {
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widget.controller.setCameraPosition(0.0, 0.0, 0.0);
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widget.controller.setCameraRotation(0, 0.0, 1.0, 0.0);
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},
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child: const Text('Move to 0,0,0, facing towards 0,0,-1'),
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),
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MenuItemButton(
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onPressed: () async {
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@@ -130,38 +152,6 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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});
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},
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child: const Text("Get projection matrix")),
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MenuItemButton(
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closeOnActivate: false,
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onPressed: () async {
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var frustum = await widget.controller.getCameraFrustum();
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var normalString = [
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frustum.plane0,
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frustum.plane1,
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frustum.plane2,
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frustum.plane3,
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frustum.plane4,
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frustum.plane5
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]
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.map((plane) =>
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plane.normal.storage
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.map((v) => v.toStringAsFixed(2))
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.join(",") +
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",${plane.constant}")
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.join("\n");
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showDialog(
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context: context,
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builder: (ctx) {
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return Center(
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child: Container(
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height: 300,
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width: 300,
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color: Colors.white,
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child:
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Text("Frustum plane normals : $normalString ")));
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});
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_menuController.close();
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},
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child: const Text("Get frustum")),
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SubmenuButton(
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menuChildren: ManipulatorMode.values.map((mm) {
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return MenuItemButton(
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@@ -233,6 +223,9 @@ class _CameraSubmenuState extends State<CameraSubmenu> {
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@override
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Widget build(BuildContext context) {
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if (_near == null || _far == null) {
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return Container();
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}
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return SubmenuButton(
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controller: _menuController,
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menuChildren: _cameraMenu(),
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