add (very rough) gizmo, restructure Dart package into library, add EntityListWidget
This commit is contained in:
Nick Fisher
155
lib/filament/animations/animation_builder.dart
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155
lib/filament/animations/animation_builder.dart
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import 'package:flutter_filament/filament/animations/animation_data.dart';
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import 'package:vector_math/vector_math.dart';
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class AnimationBuilder {
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// BoneAnimationData? BoneAnimationData;
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double _frameLengthInMs = 0;
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double _duration = 0;
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double? _interpMorphStart;
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double? _interpMorphEnd;
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double? _interpMorphStartValue;
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double? _interpMorphEndValue;
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// List<BoneAnimationData>? _BoneAnimationDatas = null;
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String meshName;
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late List<String> availableMorphs;
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late List<int> _morphTargets;
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AnimationBuilder(
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{required this.availableMorphs,
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required this.meshName,
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required int framerate}) {
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_frameLengthInMs = 1000 / framerate;
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}
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MorphAnimationData build() {
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if (availableMorphs.isEmpty || _duration == 0 || _frameLengthInMs == 0) {
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throw Exception();
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}
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int numFrames = _duration * 1000 ~/ _frameLengthInMs;
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final morphData =
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List<double>.filled((numFrames * _morphTargets.length).toInt(), 0.0);
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var frameStart = (_interpMorphStart! * 1000) ~/ _frameLengthInMs;
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var frameEnd = (_interpMorphEnd! * 1000) ~/ _frameLengthInMs;
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for (int i = frameStart; i < frameEnd; i++) {
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var linear = (i - frameStart) / frameEnd;
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var val = ((1 - linear) * _interpMorphStartValue!) +
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(linear * _interpMorphEndValue!);
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for (int j = 0; j < _morphTargets.length; j++) {
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morphData[(i * _morphTargets.length) + j] = val;
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}
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}
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return MorphAnimationData(
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[meshName],
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morphData,
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_morphTargets.map((i) => availableMorphs[i]).toList(),
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_frameLengthInMs);
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}
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AnimationBuilder setDuration(double secs) {
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_duration = secs;
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return this;
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}
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AnimationBuilder setMorphTargets(List<String> names) {
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_morphTargets = names.map((name) => availableMorphs.indexOf(name)).toList();
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return this;
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}
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AnimationBuilder interpolateMorphWeights(
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double start, double end, double startValue, double endValue) {
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_interpMorphStart = start;
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_interpMorphEnd = end;
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_interpMorphStartValue = startValue;
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_interpMorphEndValue = endValue;
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return this;
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}
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AnimationBuilder interpolateBoneTransform(
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String boneName,
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String meshName,
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double start,
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double end,
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Vector3 transStart,
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Vector3 transEnd,
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Quaternion quatStart,
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Quaternion quatEnd) {
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var translations = <Vector3>[];
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var quats = <Quaternion>[];
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var frameStart = (start * 1000) ~/ _frameLengthInMs;
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var frameEnd = (end * 1000) ~/ _frameLengthInMs;
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int numFrames = _duration * 1000 ~/ _frameLengthInMs;
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if (frameEnd > numFrames) {
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throw Exception();
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}
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for (int i = 0; i < numFrames; i++) {
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if (i >= frameStart && i < frameEnd) {
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var linear = (i - frameStart) / (frameEnd - frameStart);
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translations.add(Vector3(
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((1 - linear) * transStart.x) + (linear * transEnd.x),
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((1 - linear) * transStart.y) + (linear * transEnd.y),
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((1 - linear) * transStart.z) + (linear * transEnd.z),
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));
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quats.add(Quaternion(
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((1 - linear) * quatStart.x) + (linear * quatEnd.x),
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((1 - linear) * quatStart.y) + (linear * quatEnd.y),
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((1 - linear) * quatStart.z) + (linear * quatEnd.z),
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((1 - linear) * quatStart.w) + (linear * quatEnd.w),
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));
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} else {
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translations.add(Vector3.zero());
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quats.add(Quaternion.identity());
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}
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}
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throw Exception();
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// var boneFrameData = BoneTransformFrameData(translations, quats);
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// _BoneAnimationDatas ??= <BoneAnimationData>[];
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// var frameData = List<List<double>>.generate(
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// numFrames, (index) => boneFrameData.getFrameData(index).toList());
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// var animData = Float32List.fromList(frameData.expand((x) => x).toList());
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// _BoneAnimationDatas!.add(DartBoneAnimationData([boneName], [meshName], animData));
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// return this;
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}
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}
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class BoneTransformFrameData {
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final List<Vector3> translations;
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final List<Quaternion> quaternions;
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///
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/// The length of [translations] and [quaternions] must be the same;
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/// each entry represents the Vec3/Quaternion for the given frame.
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///
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BoneTransformFrameData(this.translations, this.quaternions) {
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if (translations.length != quaternions.length) {
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throw Exception("Length of translation/quaternion frames must match");
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}
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}
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Iterable<double> getFrameData(int frame) sync* {
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yield translations[frame].x;
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yield translations[frame].y;
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yield translations[frame].z;
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yield quaternions[frame].x;
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yield quaternions[frame].y;
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yield quaternions[frame].z;
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yield quaternions[frame].w;
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}
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}
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61
lib/filament/animations/animation_data.dart
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61
lib/filament/animations/animation_data.dart
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@@ -0,0 +1,61 @@
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import 'package:vector_math/vector_math_64.dart';
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///
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/// Specifies frame data (i.e. weights) to animate the morph targets contained in [morphTargets] under a mesh named [mesh].
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/// [data] is laid out as numFrames x numMorphTargets.
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/// Each frame is [numMorphTargets] in length, where the index of each weight corresponds to the respective index in [morphTargets].
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/// [morphTargets] must be some subset of the actual morph targets under [mesh] (though the order of these does not need to match).
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///
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class MorphAnimationData {
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final List<String> meshNames;
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final List<String> morphTargets;
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final List<double> data;
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MorphAnimationData(
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this.meshNames, this.data, this.morphTargets, this.frameLengthInMs) {
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assert(data.length == morphTargets.length * numFrames);
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}
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int get numMorphTargets => morphTargets.length;
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int get numFrames => data.length ~/ numMorphTargets;
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final double frameLengthInMs;
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Iterable<double> getData(String morphName) sync* {
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int index = morphTargets.indexOf(morphName);
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if (index == -1) {
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throw Exception("No data for morph $morphName");
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}
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for (int i = 0; i < numFrames; i++) {
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yield data[(i * numMorphTargets) + index];
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}
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}
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}
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///
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/// Model class for bone animation frame data.
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/// To create dynamic/runtime bone animations (as distinct from animations embedded in a glTF asset), create an instance containing the relevant
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/// data and pass to the [setBoneAnimation] method on a [FilamentController].
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/// [frameData] is laid out as [locX, locY, locZ, rotW, rotX, rotY, rotZ]
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///
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class BoneAnimationData {
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final List<String> bones;
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final List<String> meshNames;
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final List<List<Quaternion>> rotationFrameData;
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final List<List<Vector3>> translationFrameData;
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double frameLengthInMs;
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final bool isModelSpace;
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BoneAnimationData(this.bones, this.meshNames, this.rotationFrameData,
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this.translationFrameData, this.frameLengthInMs,
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{this.isModelSpace = false});
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int get numFrames => rotationFrameData.length;
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BoneAnimationData frame(int frame) {
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return BoneAnimationData(bones, meshNames, [rotationFrameData[frame]],
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[translationFrameData[frame]], frameLengthInMs,
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isModelSpace: isModelSpace);
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}
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}
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138
lib/filament/animations/bvh.dart
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138
lib/filament/animations/bvh.dart
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@@ -0,0 +1,138 @@
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import 'dart:math';
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import 'package:flutter_filament/filament/animations/animation_data.dart';
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import 'package:vector_math/vector_math_64.dart';
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enum RotationMode { ZYX, XYZ }
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enum Axes { Filament, Blender }
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Map<RotationMode, Matrix3> _permutations = {
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RotationMode.XYZ: Matrix3.identity()
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// RotationMode.ZYX:Matrix3.columns([],[],[]),
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};
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class BVHParser {
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static Map<String, String> parseARPRemap(String arpRemapData) {
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final remap = <String, String>{};
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var data = arpRemapData.split("\n");
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for (int i = 0; i < data.length;) {
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var srcBone = data[i].split("%")[0];
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if (srcBone.isNotEmpty && srcBone != "None") {
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var targetBone = data[i + 1].trim();
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remap[targetBone] = srcBone;
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}
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i += 5;
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}
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return remap;
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}
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static BoneAnimationData parse(String data, List<String> meshNames,
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{Map<String, String>? remap,
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RegExp? boneRegex,
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RotationMode rotationMode = RotationMode.ZYX,
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Vector3? rootTranslationOffset,
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axes = Axes.Filament}) {
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// parse the list/hierarchy of bones
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final bones = <String>[];
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double frameLengthInMs = 0.0;
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var iter = data.split("\n").iterator;
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while (iter.moveNext()) {
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final line = iter.current.trim();
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if (line.startsWith('ROOT') || line.startsWith('JOINT')) {
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var bone = line.split(' ')[1];
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if (remap?.containsKey(bone) == true) {
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print("Remapping $bone to ${remap![bone]!}");
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bone = remap![bone]!;
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}
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bones.add(bone);
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} else if (line.startsWith('Frame Time:')) {
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var frameTime = line.split(' ').last.trim();
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frameLengthInMs =
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double.parse(frameTime) * 1000; // Convert to milliseconds
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print("Got frame time $frameTime frameLengthInMs $frameLengthInMs");
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break;
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}
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}
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// filter out any bones that don't match the regexp (if provided)
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final boneIndices = boneRegex == null
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? List<int>.generate(bones.length, (index) => index)
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: bones.indexed
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.where((bone) => boneRegex.hasMatch(bone.$2))
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.map((bone) => bone.$1);
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// the remaining lines contain the actual animation data
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// we assume the first six are LOCX LOCY LOCZ ROTZ ROTY ROTX for the root bone, then ROTZ ROTY ROTX for the remainder
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final translationData = <List<Vector3>>[];
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final rotationData = <List<Quaternion>>[];
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while (iter.moveNext()) {
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final line = iter.current;
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if (line.isEmpty) {
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break;
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}
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var parseResult = _parseFrameData(line,
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axes: axes, rootTranslationOffset: rootTranslationOffset);
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rotationData.add(
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boneIndices.map((idx) => parseResult.rotationData[idx]).toList());
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translationData.add(<Vector3>[parseResult.translationData] +
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List<Vector3>.filled(bones.length - 1, Vector3.zero()));
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}
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return BoneAnimationData(boneIndices.map((idx) => bones[idx]).toList(),
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meshNames, rotationData, translationData, frameLengthInMs,
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isModelSpace: true);
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}
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static ({List<Quaternion> rotationData, Vector3 translationData})
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_parseFrameData(String frameLine,
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{Vector3? rootTranslationOffset, axes = Axes.Filament}) {
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final frameValues = <double>[];
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for (final entry in frameLine.split(RegExp(r'\s+'))) {
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if (entry.isNotEmpty) {
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frameValues.add(double.parse(entry));
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}
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}
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// first 3 values are root node position (translation), remainder are ZYX rotatons
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// this is hardcoded assumption for BVH files generated by momask only; won't work for any other animations in general
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// Blender exports BVH using same coordinate system (i.e. Z is up, Y points into screen)
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// but Filament uses Y-up/Z forward
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late Vector3 rootTranslation;
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late Vector3 Z, Y, X;
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if (axes == Axes.Blender) {
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rootTranslation =
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Vector3(frameValues[0], frameValues[2], -frameValues[1]);
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Z = Vector3(0, 1, 0);
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Y = Vector3(0, 0, -1);
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X = Vector3(1, 0, 0);
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} else {
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rootTranslation = Vector3(
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frameValues[0],
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frameValues[1],
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frameValues[2],
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);
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Z = Vector3(0, 0, 1);
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Y = Vector3(0, 1, 0);
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X = Vector3(1, 0, 0);
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}
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if (rootTranslationOffset != null) {
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rootTranslation -= rootTranslationOffset;
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}
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List<Quaternion> frameData = [];
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for (int i = 3; i < frameValues.length; i += 3) {
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var raw = frameValues.sublist(i, i + 3);
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var z = Quaternion.axisAngle(Z, radians(raw[0]));
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var y = Quaternion.axisAngle(Y, radians(raw[1]));
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var x = Quaternion.axisAngle(X, radians(raw[2]));
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var rotation = z * y * x;
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frameData.add(rotation.normalized());
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}
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return (rotationData: frameData, translationData: rootTranslation);
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}
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static double radians(double degrees) => degrees * (pi / 180.0);
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}
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203
lib/filament/entities/entity_transform_controller.dart
Normal file
203
lib/filament/entities/entity_transform_controller.dart
Normal file
@@ -0,0 +1,203 @@
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import 'dart:async';
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import 'dart:math';
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import 'package:flutter_filament/filament/filament_controller.dart';
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import 'package:flutter_filament/filament/utils/hardware_keyboard_listener.dart';
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import 'package:vector_math/vector_math_64.dart' as v;
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class EntityTransformController {
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final FilamentController controller;
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final FilamentEntity _entity;
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late Timer _ticker;
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double translationSpeed;
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double rotationRadsPerSecond;
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bool _forward = false;
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bool _strafeLeft = false;
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bool _strafeRight = false;
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bool _back = false;
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bool _rotateLeft = false;
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bool _rotateRight = false;
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double _rotY = 0;
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int? forwardAnimationIndex;
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int? backwardAnimationIndex;
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int? strafeLeftAnimationIndex;
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int? strafeRightAnimationIndex;
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EntityTransformController(this.controller, this._entity,
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{this.translationSpeed = 1,
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this.rotationRadsPerSecond = pi / 2,
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this.forwardAnimationIndex,
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this.backwardAnimationIndex,
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this.strafeLeftAnimationIndex,
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this.strafeRightAnimationIndex}) {
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var translationSpeedPerTick = translationSpeed / (1000 / 16.667);
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var rotationRadsPerTick = rotationRadsPerSecond / (1000 / 16.667);
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_ticker = Timer.periodic(const Duration(milliseconds: 16), (timer) {
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_update(translationSpeedPerTick, rotationRadsPerTick);
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});
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}
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bool _enabled = true;
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void enable() {
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_enabled = true;
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}
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void disable() {
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_enabled = false;
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}
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void _update(
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double translationSpeedPerTick, double rotationRadsPerTick) async {
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if (!_enabled) {
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return;
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}
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var _position = v.Vector3.zero();
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bool updateTranslation = false;
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if (_forward) {
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_position.add(v.Vector3(0, 0, -translationSpeedPerTick));
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updateTranslation = true;
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}
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if (_back) {
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_position.add(v.Vector3(0, 0, translationSpeedPerTick));
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updateTranslation = true;
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}
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if (_strafeLeft) {
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_position.add(v.Vector3(-translationSpeedPerTick, 0, 0));
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updateTranslation = true;
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}
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if (_strafeRight) {
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_position.add(v.Vector3(translationSpeedPerTick, 0, 0));
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updateTranslation = true;
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}
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|
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// TODO - use pitch/yaw/roll
|
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bool updateRotation = false;
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var _rotation = v.Quaternion.identity();
|
||||
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double rads = 0.0;
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if (_rotY != 0) {
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rads = _rotY * pi / 1000;
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var rotY = v.Quaternion.axisAngle(v.Vector3(0, 1, 0), rads).normalized();
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_rotation = rotY;
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updateRotation = true;
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_rotY = 0;
|
||||
}
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|
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if (updateTranslation) {
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await controller.queuePositionUpdate(
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_entity, _position.x, _position.y, _position.z,
|
||||
relative: true);
|
||||
}
|
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if (updateRotation) {
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await controller.queueRotationUpdateQuat(_entity, _rotation,
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||||
relative: true);
|
||||
}
|
||||
}
|
||||
|
||||
void look(double deltaX) async {
|
||||
_rotY -= deltaX;
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
_ticker.cancel();
|
||||
}
|
||||
|
||||
bool _playingForwardAnimation = false;
|
||||
bool _playingBackwardAnimation = false;
|
||||
|
||||
void forwardPressed() async {
|
||||
_forward = true;
|
||||
if (forwardAnimationIndex != null && !_playingForwardAnimation) {
|
||||
await controller.playAnimation(_entity, forwardAnimationIndex!,
|
||||
loop: true, replaceActive: false);
|
||||
_playingForwardAnimation = true;
|
||||
}
|
||||
}
|
||||
|
||||
void forwardReleased() async {
|
||||
_forward = false;
|
||||
await Future.delayed(Duration(milliseconds: 50));
|
||||
if (!_forward) {
|
||||
_playingForwardAnimation = false;
|
||||
if (forwardAnimationIndex != null) {
|
||||
await controller.stopAnimation(_entity, forwardAnimationIndex!);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void backPressed() async {
|
||||
_back = true;
|
||||
if (forwardAnimationIndex != null) {
|
||||
if (!_playingBackwardAnimation) {
|
||||
await controller.playAnimation(_entity, forwardAnimationIndex!,
|
||||
loop: true, replaceActive: false, reverse: true);
|
||||
_playingBackwardAnimation = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void backReleased() async {
|
||||
_back = false;
|
||||
if (forwardAnimationIndex != null) {
|
||||
await controller.stopAnimation(_entity, forwardAnimationIndex!);
|
||||
}
|
||||
_playingBackwardAnimation = false;
|
||||
}
|
||||
|
||||
void strafeLeftPressed() {
|
||||
_strafeLeft = true;
|
||||
}
|
||||
|
||||
void strafeLeftReleased() async {
|
||||
_strafeLeft = false;
|
||||
}
|
||||
|
||||
void strafeRightPressed() {
|
||||
_strafeRight = true;
|
||||
}
|
||||
|
||||
void strafeRightReleased() async {
|
||||
_strafeRight = false;
|
||||
}
|
||||
|
||||
void Function()? _mouse1DownCallback;
|
||||
void onMouse1Down(void Function() callback) {
|
||||
_mouse1DownCallback = callback;
|
||||
}
|
||||
|
||||
void mouse1Down() async {
|
||||
_mouse1DownCallback?.call();
|
||||
}
|
||||
|
||||
void mouse1Up() async {}
|
||||
|
||||
void mouse2Up() async {}
|
||||
|
||||
void mouse2Down() async {}
|
||||
static HardwareKeyboardListener? _keyboardListener;
|
||||
|
||||
static Future<EntityTransformController> create(
|
||||
FilamentController controller, FilamentEntity entity,
|
||||
{double? translationSpeed, String? forwardAnimation}) async {
|
||||
int? forwardAnimationIndex;
|
||||
if (forwardAnimation != null) {
|
||||
final animationNames = await controller.getAnimationNames(entity);
|
||||
forwardAnimationIndex = animationNames.indexOf(forwardAnimation);
|
||||
}
|
||||
|
||||
if (forwardAnimationIndex == -1) {
|
||||
throw Exception("Invalid animation : $forwardAnimation");
|
||||
}
|
||||
|
||||
_keyboardListener?.dispose();
|
||||
var transformController = EntityTransformController(controller, entity,
|
||||
translationSpeed: translationSpeed ?? 1.0,
|
||||
forwardAnimationIndex: forwardAnimationIndex);
|
||||
_keyboardListener = HardwareKeyboardListener(transformController);
|
||||
return transformController;
|
||||
}
|
||||
}
|
||||
72
lib/filament/entities/gizmo.dart
Normal file
72
lib/filament/entities/gizmo.dart
Normal file
@@ -0,0 +1,72 @@
|
||||
import 'dart:ui';
|
||||
|
||||
import 'package:vector_math/vector_math_64.dart';
|
||||
|
||||
import '../filament_controller.dart';
|
||||
|
||||
class Gizmo {
|
||||
final FilamentEntity x;
|
||||
Vector3 _x = Vector3(0.1, 0, 0);
|
||||
final FilamentEntity y;
|
||||
Vector3 _y = Vector3(0.0, 0.1, 0);
|
||||
final FilamentEntity z;
|
||||
Vector3 _z = Vector3(0.0, 0.0, 0.1);
|
||||
|
||||
final FilamentController controller;
|
||||
|
||||
FilamentEntity? _activeAxis;
|
||||
FilamentEntity? _activeEntity;
|
||||
bool get isActive => _activeAxis != null;
|
||||
|
||||
Gizmo(this.x, this.y, this.z, this.controller) {
|
||||
controller.pickResult.listen(_onPickResult);
|
||||
}
|
||||
|
||||
Future _reveal() async {
|
||||
await controller.reveal(x, null);
|
||||
await controller.reveal(y, null);
|
||||
await controller.reveal(z, null);
|
||||
}
|
||||
|
||||
void translate(Offset offset) async {
|
||||
late Vector3 vec;
|
||||
if (_activeAxis == x) {
|
||||
vec = _x;
|
||||
} else if (_activeAxis == y) {
|
||||
vec = _y;
|
||||
} else if (_activeAxis == z) {
|
||||
vec = _z;
|
||||
}
|
||||
await controller.queuePositionUpdate(_activeEntity!, offset.dx * vec.x,
|
||||
-offset.dy * vec.y, -offset.dx * vec.z,
|
||||
relative: true);
|
||||
}
|
||||
|
||||
void reset() {
|
||||
_activeAxis = null;
|
||||
}
|
||||
|
||||
void _onPickResult(FilamentPickResult result) async {
|
||||
if (result.entity == x || result.entity == y || result.entity == z) {
|
||||
_activeAxis = result.entity;
|
||||
} else {
|
||||
attach(result.entity);
|
||||
}
|
||||
}
|
||||
|
||||
void attach(FilamentEntity entity) async {
|
||||
print("Attaching to $entity");
|
||||
_activeAxis = null;
|
||||
_activeEntity = entity;
|
||||
await _reveal();
|
||||
await controller.setParent(x, entity);
|
||||
await controller.setParent(y, entity);
|
||||
await controller.setParent(z, entity);
|
||||
}
|
||||
|
||||
void detach() async {
|
||||
await controller.hide(x, null);
|
||||
await controller.hide(y, null);
|
||||
await controller.hide(z, null);
|
||||
}
|
||||
}
|
||||
695
lib/filament/filament_controller.dart
Normal file
695
lib/filament/filament_controller.dart
Normal file
@@ -0,0 +1,695 @@
|
||||
// ignore_for_file: constant_identifier_names
|
||||
|
||||
import 'dart:async';
|
||||
import 'dart:typed_data';
|
||||
import 'dart:ui' as ui;
|
||||
import 'package:flutter/widgets.dart';
|
||||
|
||||
import 'package:flutter_filament/filament/entities/gizmo.dart';
|
||||
import 'package:vector_math/vector_math_64.dart';
|
||||
|
||||
import 'animations/animation_data.dart';
|
||||
|
||||
// a handle that can be safely passed back to the rendering layer to manipulate an Entity
|
||||
typedef FilamentEntity = int;
|
||||
|
||||
// "picking" means clicking/tapping on the viewport, and unprojecting the X/Y coordinate to determine whether any renderable entities were present at those coordinates.
|
||||
typedef FilamentPickResult = ({FilamentEntity entity, double x, double y});
|
||||
|
||||
// copied from filament/backened/DriverEnums.h
|
||||
enum PrimitiveType {
|
||||
// don't change the enums values (made to match GL)
|
||||
POINTS, //!< points
|
||||
LINES, //!< lines
|
||||
UNUSED1,
|
||||
LINE_STRIP, //!< line strip
|
||||
TRIANGLES, //!< triangles
|
||||
TRIANGLE_STRIP, //!< triangle strip
|
||||
}
|
||||
|
||||
enum ToneMapper { ACES, FILMIC, LINEAR }
|
||||
|
||||
// see filament Manipulator.h for more details
|
||||
enum ManipulatorMode { ORBIT, MAP, FREE_FLIGHT }
|
||||
|
||||
class TextureDetails {
|
||||
final int textureId;
|
||||
|
||||
// both width and height are in physical, not logical pixels
|
||||
final int width;
|
||||
final int height;
|
||||
|
||||
TextureDetails(
|
||||
{required this.textureId, required this.width, required this.height});
|
||||
}
|
||||
|
||||
abstract class FilamentController {
|
||||
///
|
||||
/// A [ValueNotifier] to indicate whether a FilamentViewer is currently available.
|
||||
/// (FilamentViewer is a C++ type, hence why it is not referenced) here.
|
||||
/// Call [createViewer]/[destroyViewer] to create/destroy a FilamentViewer.
|
||||
///
|
||||
ValueNotifier<bool> get hasViewer;
|
||||
|
||||
///
|
||||
/// Whether a Flutter Texture widget should be inserted into the widget hierarchy.
|
||||
/// This will be false on certain platforms where we use a transparent window underlay.
|
||||
/// Used internally by [FilamentWidget]; you probably don't need to access this property directly.
|
||||
///
|
||||
bool get requiresTextureWidget;
|
||||
|
||||
///
|
||||
/// The Flutter texture ID and dimensions for current texture in use.
|
||||
/// This is only used by [FilamentWidget]; you shouldn't need to access directly yourself.
|
||||
///
|
||||
final textureDetails = ValueNotifier<TextureDetails?>(null);
|
||||
|
||||
///
|
||||
/// The result(s) of calling [pick] (see below).
|
||||
/// This may be a broadcast stream, so you should ensure you have subscribed to this stream before calling [pick].
|
||||
/// If [pick] is called without an active subscription to this stream, the results will be silently discarded.
|
||||
///
|
||||
Stream<FilamentPickResult> get pickResult;
|
||||
|
||||
///
|
||||
/// Whether the controller is currently rendering at [framerate].
|
||||
///
|
||||
bool get rendering;
|
||||
|
||||
///
|
||||
/// Set to true to continuously render the scene at the framerate specified by [setFrameRate] (60 fps by default).
|
||||
///
|
||||
Future setRendering(bool render);
|
||||
|
||||
///
|
||||
/// Render a single frame.
|
||||
///
|
||||
Future render();
|
||||
|
||||
///
|
||||
/// Sets the framerate for continuous rendering when [setRendering] is enabled.
|
||||
///
|
||||
Future setFrameRate(int framerate);
|
||||
|
||||
///
|
||||
/// Destroys the viewer and all backing textures. You can leave the FilamentWidget in the hierarchy after this is called, but you will need to manually call [createViewer] to
|
||||
///
|
||||
Future destroy();
|
||||
|
||||
///
|
||||
/// Destroys the viewer only, leaving the texture intact. You probably want to call [destroy] instead of this; [destroyViewer] is exposed mostly for lifecycle changes which are handled by FilamentWidget.
|
||||
///
|
||||
Future destroyViewer();
|
||||
|
||||
///
|
||||
/// Destroys the specified backing texture. You probably want to call [destroy] instead of this; this is exposed mostly for lifecycle changes which are handled by FilamentWidget.
|
||||
///
|
||||
Future destroyTexture();
|
||||
|
||||
///
|
||||
/// Create a FilamentViewer. Must be called at least one frame after a [FilamentWidget] has been inserted into the rendering hierarchy.
|
||||
///
|
||||
/// Before a FilamentViewer is created, the FilamentWidget will only contain an empty Container (by default, with a solid red background).
|
||||
/// FilamentWidget will then call [setDimensions] with dimensions/pixel ratio of the viewport
|
||||
/// Calling [createViewer] will then dispatch a request to the native platform to create a hardware texture (Metal on iOS, OpenGL on Linux, GLES on Android and Windows) and a FilamentViewer (the main interface for manipulating the 3D scene) .
|
||||
/// [FilamentWidget] will be notified that a texture is available and will replace the empty Container with a Texture widget
|
||||
///
|
||||
Future createViewer();
|
||||
|
||||
///
|
||||
/// Sets the dimensions of the viewport and pixel ratio (obtained from [MediaQuery]) to be used the next time [resize] or [createViewer] is called.
|
||||
/// This is called by FilamentWidget; you shouldn't need to invoke this manually.
|
||||
///
|
||||
Future setDimensions(ui.Rect rect, double pixelRatio);
|
||||
|
||||
///
|
||||
/// Resize the viewport & backing texture to the current dimensions (as last set by [setDimensions]).
|
||||
/// This is called by FilamentWidget; you shouldn't need to invoke this manually.
|
||||
///
|
||||
Future resize();
|
||||
|
||||
///
|
||||
/// Set the background image to [path] (which should have a file extension .png, .jpg, or .ktx).
|
||||
/// This will be rendered at the maximum depth (i.e. behind all other objects including the skybox).
|
||||
/// If [fillHeight] is false, the image will be rendered at its original size. Note this may cause issues with pixel density so be sure to specify the correct resolution
|
||||
/// If [fillHeight] is true, the image will be stretched/compressed to fit the height of the viewport.
|
||||
///
|
||||
Future setBackgroundImage(String path, {bool fillHeight = false});
|
||||
|
||||
///
|
||||
/// Moves the background image to the relative offset from the origin (bottom-left) specified by [x] and [y].
|
||||
/// If [clamp] is true, the image cannot be positioned outside the bounds of the viewport.
|
||||
///
|
||||
Future setBackgroundImagePosition(double x, double y, {bool clamp = false});
|
||||
|
||||
///
|
||||
/// Removes the background image.
|
||||
///
|
||||
Future clearBackgroundImage();
|
||||
|
||||
///
|
||||
/// Sets the color for the background plane (positioned at the maximum depth, i.e. behind all other objects including the skybox).
|
||||
///
|
||||
Future setBackgroundColor(Color color);
|
||||
|
||||
///
|
||||
/// Load a skybox from [skyboxPath] (which must be a .ktx file)
|
||||
///
|
||||
Future loadSkybox(String skyboxPath);
|
||||
|
||||
///
|
||||
/// Removes the skybox from the scene.
|
||||
///
|
||||
Future removeSkybox();
|
||||
|
||||
///
|
||||
/// Loads an image-based light from the specified path at the given intensity.
|
||||
/// Only one IBL can be active at any given time; if an IBL has already been loaded, it will be replaced.
|
||||
///
|
||||
Future loadIbl(String lightingPath, {double intensity = 30000});
|
||||
|
||||
///
|
||||
/// Rotates the IBL & skybox.
|
||||
///
|
||||
Future rotateIbl(Matrix3 rotation);
|
||||
|
||||
///
|
||||
/// Removes the image-based light from the scene.
|
||||
///
|
||||
Future removeIbl();
|
||||
|
||||
///
|
||||
/// Adds a dynamic light to the scene.
|
||||
/// copied from filament LightManager.h
|
||||
/// enum class Type : uint8_t {
|
||||
/// SUN, //!< Directional light that also draws a sun's disk in the sky.
|
||||
/// DIRECTIONAL, //!< Directional light, emits light in a given direction.
|
||||
/// POINT, //!< Point light, emits light from a position, in all directions.
|
||||
/// FOCUSED_SPOT, //!< Physically correct spot light.
|
||||
/// SPOT, //!< Spot light with coupling of outer cone and illumination disabled.
|
||||
/// };
|
||||
Future<FilamentEntity> addLight(
|
||||
int type,
|
||||
double colour,
|
||||
double intensity,
|
||||
double posX,
|
||||
double posY,
|
||||
double posZ,
|
||||
double dirX,
|
||||
double dirY,
|
||||
double dirZ,
|
||||
bool castShadows);
|
||||
|
||||
Future removeLight(FilamentEntity light);
|
||||
|
||||
///
|
||||
/// Remove all lights (excluding IBL) from the scene.
|
||||
///
|
||||
Future clearLights();
|
||||
|
||||
///
|
||||
/// Load the .glb asset at the given path and insert into the scene.
|
||||
///
|
||||
Future<FilamentEntity> loadGlb(String path, {int numInstances = 1});
|
||||
|
||||
///
|
||||
/// Create a new instance of [entity].
|
||||
///
|
||||
Future<FilamentEntity> createInstance(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Returns the number of instances of the asset associated with [entity].
|
||||
///
|
||||
Future<int> getInstanceCount(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Returns all instances of [entity].
|
||||
///
|
||||
Future<List<FilamentEntity>> getInstances(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Load the .gltf asset at the given path and insert into the scene.
|
||||
/// [relativeResourcePath] is the folder path where the glTF resources are stored;
|
||||
/// this is usually the parent directory of the .gltf file itself.
|
||||
///
|
||||
Future<FilamentEntity> loadGltf(String path, String relativeResourcePath,
|
||||
{bool force = false});
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future panStart(double x, double y);
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future panUpdate(double x, double y);
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future panEnd();
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future rotateStart(double x, double y);
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future rotateUpdate(double x, double y);
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future rotateEnd();
|
||||
|
||||
///
|
||||
/// Set the weights for all morph targets under node [meshName] in [entity] to [weights].
|
||||
/// Note that [weights] must contain values for ALL morph targets, but no exception will be thrown if you don't do so (you'll just get incorrect results).
|
||||
/// If you only want to set one value, set all others to zero (check [getMorphTargetNames] if you need the get a list of all morph targets.)
|
||||
///
|
||||
Future setMorphTargetWeights(
|
||||
FilamentEntity entity, String meshName, List<double> weights);
|
||||
|
||||
Future<List<String>> getMorphTargetNames(
|
||||
FilamentEntity entity, String meshName);
|
||||
|
||||
Future<List<String>> getAnimationNames(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Returns the length (in seconds) of the animation at the given index.
|
||||
///
|
||||
Future<double> getAnimationDuration(
|
||||
FilamentEntity entity, int animationIndex);
|
||||
|
||||
///
|
||||
/// Animate the morph targets in [entity]. See [MorphTargetAnimation] for an explanation as to how to construct the animation frame data.
|
||||
/// This method will check the morph target names specified in [animation] against the morph target names that actually exist exist under [meshName] in [entity],
|
||||
/// throwing an exception if any cannot be found.
|
||||
/// It is permissible for [animation] to omit any targets that do exist under [meshName]; these simply won't be animated.
|
||||
///
|
||||
Future setMorphAnimationData(
|
||||
FilamentEntity entity, MorphAnimationData animation);
|
||||
|
||||
///
|
||||
/// Resets all bones in the given entity to their rest pose.
|
||||
/// This should be done before every call to addBoneAnimation.
|
||||
///
|
||||
Future resetBones(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Transforms the bone(s)/joint(s) according [animation].
|
||||
/// To set the instantaneous transform, just use a single frame.
|
||||
///
|
||||
Future addBoneAnimation(FilamentEntity entity, BoneAnimationData animation);
|
||||
|
||||
///
|
||||
/// Removes/destroys the specified entity from the scene.
|
||||
/// [entity] will no longer be a valid handle after this method is called; ensure you immediately discard all references once this method is complete.
|
||||
///
|
||||
Future removeEntity(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Removes/destroys all renderable entities from the scene (including cameras).
|
||||
/// All [FilamentEntity] handles will no longer be valid after this method is called; ensure you immediately discard all references to all entities once this method is complete.
|
||||
///
|
||||
Future clearEntities();
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future zoomBegin();
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future zoomUpdate(double x, double y, double z);
|
||||
|
||||
///
|
||||
/// Called by `FilamentGestureDetector`. You probably don't want to call this yourself.
|
||||
///
|
||||
Future zoomEnd();
|
||||
|
||||
///
|
||||
/// Schedules the glTF animation at [index] in [entity] to start playing on the next frame.
|
||||
///
|
||||
Future playAnimation(FilamentEntity entity, int index,
|
||||
{bool loop = false,
|
||||
bool reverse = false,
|
||||
bool replaceActive = true,
|
||||
double crossfade = 0.0});
|
||||
|
||||
///
|
||||
/// Schedules the glTF animation at [index] in [entity] to start playing on the next frame.
|
||||
///
|
||||
Future playAnimationByName(FilamentEntity entity, String name,
|
||||
{bool loop = false,
|
||||
bool reverse = false,
|
||||
bool replaceActive = true,
|
||||
double crossfade = 0.0});
|
||||
|
||||
Future setAnimationFrame(
|
||||
FilamentEntity entity, int index, int animationFrame);
|
||||
|
||||
Future stopAnimation(FilamentEntity entity, int animationIndex);
|
||||
Future stopAnimationByName(FilamentEntity entity, String name);
|
||||
|
||||
///
|
||||
/// Sets the current scene camera to the glTF camera under [name] in [entity].
|
||||
///
|
||||
Future setCamera(FilamentEntity entity, String? name);
|
||||
|
||||
///
|
||||
/// Sets the current scene camera to the main camera (which is always available and added to every scene by default).
|
||||
///
|
||||
Future setMainCamera();
|
||||
|
||||
///
|
||||
/// Returns the entity associated with the main camera.
|
||||
///
|
||||
Future<FilamentEntity> getMainCamera();
|
||||
|
||||
///
|
||||
/// Sets the current scene camera to the glTF camera under [name] in [entity].
|
||||
///
|
||||
Future setCameraFov(double degrees);
|
||||
|
||||
///
|
||||
/// Sets the tone mapping (requires postprocessing).
|
||||
///
|
||||
Future setToneMapping(ToneMapper mapper);
|
||||
|
||||
///
|
||||
/// Sets the strength of the bloom.
|
||||
///
|
||||
Future setBloom(double bloom);
|
||||
|
||||
///
|
||||
/// Sets the focal length of the camera. Default value is 28.0.
|
||||
///
|
||||
Future setCameraFocalLength(double focalLength);
|
||||
|
||||
///
|
||||
/// Sets the distance (in world units) to the near/far planes for the active camera. Default values are 0.05/1000.0. See Camera.h for details.
|
||||
///
|
||||
Future setCameraCulling(double near, double far);
|
||||
|
||||
///
|
||||
/// Get the distance (in world units) to the near culling plane for the active camera.
|
||||
///
|
||||
Future<double> getCameraCullingNear();
|
||||
|
||||
///
|
||||
/// Get the distance (in world units) to the far culling plane for the active camera.
|
||||
///
|
||||
Future<double> getCameraCullingFar();
|
||||
|
||||
///
|
||||
/// Sets the focus distance for the camera.
|
||||
///
|
||||
Future setCameraFocusDistance(double focusDistance);
|
||||
|
||||
///
|
||||
/// Get the camera position in world space.
|
||||
///
|
||||
Future<Vector3> getCameraPosition();
|
||||
|
||||
///
|
||||
/// Get the camera's model matrix.
|
||||
///
|
||||
Future<Matrix4> getCameraModelMatrix();
|
||||
|
||||
///
|
||||
/// Get the camera's view matrix. See Camera.h for more details.
|
||||
///
|
||||
Future<Matrix4> getCameraViewMatrix();
|
||||
|
||||
///
|
||||
/// Get the camera's projection matrix. See Camera.h for more details.
|
||||
///
|
||||
Future<Matrix4> getCameraProjectionMatrix();
|
||||
|
||||
///
|
||||
/// Get the camera's culling projection matrix. See Camera.h for more details.
|
||||
///
|
||||
Future<Matrix4> getCameraCullingProjectionMatrix();
|
||||
|
||||
///
|
||||
/// Get the camera's culling frustum in world space. Returns a (vector_math) [Frustum] instance where plane0-plane6 define the left, right, bottom, top, far and near planes respectively.
|
||||
/// See Camera.h and (filament) Frustum.h for more details.
|
||||
///
|
||||
Future<Frustum> getCameraFrustum();
|
||||
|
||||
///
|
||||
/// Set the camera position in world space. Note this is not persistent - any viewport navigation will reset the camera transform.
|
||||
///
|
||||
Future setCameraPosition(double x, double y, double z);
|
||||
|
||||
///
|
||||
/// Get the camera rotation matrix.
|
||||
///
|
||||
Future<Matrix3> getCameraRotation();
|
||||
|
||||
///
|
||||
/// Repositions the camera to the last vertex of the bounding box of [entity], looking at the penultimate vertex.
|
||||
///
|
||||
Future moveCameraToAsset(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Enables/disables frustum culling. Currently we don't expose a method for manipulating the camera projection/culling matrices so this is your only option to deal with unwanted near/far clipping.
|
||||
///
|
||||
Future setViewFrustumCulling(bool enabled);
|
||||
|
||||
///
|
||||
/// Sets the camera exposure.
|
||||
///
|
||||
Future setCameraExposure(
|
||||
double aperture, double shutterSpeed, double sensitivity);
|
||||
|
||||
///
|
||||
/// Rotate the camera by [rads] around the given axis. Note this is not persistent - any viewport navigation will reset the camera transform.
|
||||
///
|
||||
Future setCameraRotation(Quaternion quaternion);
|
||||
|
||||
///
|
||||
/// Sets the camera model matrix.
|
||||
///
|
||||
Future setCameraModelMatrix(List<double> matrix);
|
||||
|
||||
///
|
||||
/// Sets the `baseColorFactor` property for the material at index [materialIndex] in [entity] under node [meshName] to [color].
|
||||
///
|
||||
Future setMaterialColor(
|
||||
FilamentEntity entity, String meshName, int materialIndex, Color color);
|
||||
|
||||
///
|
||||
/// Scale [entity] to fit within the unit cube.
|
||||
///
|
||||
Future transformToUnitCube(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Directly sets the world space position for [entity] to the given coordinates, skipping all collision detection.
|
||||
///
|
||||
Future setPosition(FilamentEntity entity, double x, double y, double z);
|
||||
|
||||
///
|
||||
/// Directly sets the scale for [entity], skipping all collision detection.
|
||||
///
|
||||
Future setScale(FilamentEntity entity, double scale);
|
||||
|
||||
///
|
||||
/// Directly sets the rotation for [entity] to [rads] around the axis {x,y,z}, skipping all collision detection.
|
||||
///
|
||||
Future setRotation(
|
||||
FilamentEntity entity, double rads, double x, double y, double z);
|
||||
|
||||
///
|
||||
/// Queues an update to the worldspace position for [entity] to {x,y,z}.
|
||||
/// The actual update will occur on the next frame, and will be subject to collision detection.
|
||||
///
|
||||
Future queuePositionUpdate(
|
||||
FilamentEntity entity, double x, double y, double z,
|
||||
{bool relative = false});
|
||||
|
||||
///
|
||||
/// Queues an update to the worldspace rotation for [entity].
|
||||
/// The actual update will occur on the next frame, and will be subject to collision detection.
|
||||
///
|
||||
Future queueRotationUpdate(
|
||||
FilamentEntity entity, double rads, double x, double y, double z,
|
||||
{bool relative = false});
|
||||
|
||||
///
|
||||
/// Same as [queueRotationUpdate].
|
||||
///
|
||||
Future queueRotationUpdateQuat(FilamentEntity entity, Quaternion quat,
|
||||
{bool relative = false});
|
||||
|
||||
///
|
||||
/// Enable/disable postprocessing.
|
||||
///
|
||||
Future setPostProcessing(bool enabled);
|
||||
|
||||
///
|
||||
/// Set antialiasing options.
|
||||
///
|
||||
Future setAntiAliasing(bool msaa, bool fxaa, bool taa);
|
||||
|
||||
///
|
||||
/// Sets the rotation for [entity] to the specified quaternion.
|
||||
///
|
||||
Future setRotationQuat(FilamentEntity entity, Quaternion rotation);
|
||||
|
||||
///
|
||||
/// Reveal the node [meshName] under [entity]. Only applicable if [hide] had previously been called; this is a no-op otherwise.
|
||||
///
|
||||
Future reveal(FilamentEntity entity, String? meshName);
|
||||
|
||||
///
|
||||
/// If [meshName] is provided, hide the node [meshName] under [entity], otherwise hide the root node for [entity].
|
||||
/// The entity still exists in memory, but is no longer being rendered into the scene. Call [reveal] to re-commence rendering.
|
||||
///
|
||||
Future hide(FilamentEntity entity, String? meshName);
|
||||
|
||||
///
|
||||
/// Used to select the entity in the scene at the given viewport coordinates.
|
||||
/// Called by `FilamentGestureDetector` on a mouse/finger down event. You probably don't want to call this yourself.
|
||||
/// This is asynchronous and will require 2-3 frames to complete - subscribe to the [pickResult] stream to receive the results of this method.
|
||||
/// [x] and [y] must be in local logical coordinates (i.e. where 0,0 is at top-left of the FilamentWidget).
|
||||
///
|
||||
void pick(int x, int y);
|
||||
|
||||
///
|
||||
/// Retrieves the name assigned to the given FilamentEntity (usually corresponds to the glTF mesh name).
|
||||
///
|
||||
String? getNameForEntity(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Sets the options for manipulating the camera via the viewport.
|
||||
/// ManipulatorMode.FREE_FLIGHT and ManipulatorMode.MAP are currently unsupported and will throw an exception.
|
||||
///
|
||||
Future setCameraManipulatorOptions(
|
||||
{ManipulatorMode mode = ManipulatorMode.ORBIT,
|
||||
double orbitSpeedX = 0.01,
|
||||
double orbitSpeedY = 0.01,
|
||||
double zoomSpeed = 0.01});
|
||||
|
||||
///
|
||||
/// Finds the child entity named [childName] associated with the given parent.
|
||||
/// Usually, [parent] will be the return value from [loadGlb]/[loadGltf] and [childName] will be the name of a node/mesh.
|
||||
///
|
||||
Future<FilamentEntity> getChildEntity(
|
||||
FilamentEntity parent, String childName);
|
||||
|
||||
///
|
||||
/// List all child entities under the given entity.
|
||||
///
|
||||
Future<List<String>> getChildEntities(FilamentEntity entity,
|
||||
{bool renderableOnly = true});
|
||||
|
||||
///
|
||||
/// If [recording] is set to true, each frame the framebuffer/texture will be written to /tmp/output_*.png.
|
||||
/// This will impact performance; handle with care.
|
||||
///
|
||||
Future setRecording(bool recording);
|
||||
|
||||
///
|
||||
/// Sets the output directory where recorded PNGs will be placed.
|
||||
///
|
||||
Future setRecordingOutputDirectory(String outputDirectory);
|
||||
|
||||
///
|
||||
/// An [entity] will only be animatable after an animation component is attached.
|
||||
/// Any calls to [playAnimation]/[setBoneAnimation]/[setMorphAnimation] will have no visual effect until [addAnimationComponent] has been called on the instance.
|
||||
///
|
||||
Future addAnimationComponent(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Makes [entity] collidable.
|
||||
/// This allows you to call [testCollisions] with any other entity ("entity B") to see if [entity] has collided with entity B. The callback will be invoked if so.
|
||||
/// Alternatively, if [affectsTransform] is true and this entity collides with another entity, any queued position updates to the latter entity will be ignored.
|
||||
///
|
||||
Future addCollisionComponent(FilamentEntity entity,
|
||||
{void Function(int entityId1, int entityId2)? callback,
|
||||
bool affectsTransform = false});
|
||||
|
||||
///
|
||||
/// Removes the collision component from [entity], meaning this will no longer be tested when [testCollisions] or [queuePositionUpdate] is called with another entity.
|
||||
///
|
||||
Future removeCollisionComponent(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Creates a (renderable) entity with the specified geometry and adds to the scene.
|
||||
///
|
||||
Future createGeometry(List<double> vertices, List<int> indices,
|
||||
{String? materialPath,
|
||||
PrimitiveType primitiveType = PrimitiveType.TRIANGLES});
|
||||
|
||||
///
|
||||
/// Sets the parent transform of [child] to the transform of [parent].
|
||||
///
|
||||
Future setParent(FilamentEntity child, FilamentEntity parent);
|
||||
|
||||
///
|
||||
/// Test all collidable entities against this entity to see if any have collided.
|
||||
/// This method returns void; the relevant callback passed to [addCollisionComponent] will be fired if a collision is detected.
|
||||
///
|
||||
Future testCollisions(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// Sets the draw priority for the given entity. See RenderableManager.h for more details.
|
||||
///
|
||||
Future setPriority(FilamentEntity entityId, int priority);
|
||||
|
||||
///
|
||||
/// The Scene holds the transform gizmo and all loaded entities/lights.
|
||||
///
|
||||
Scene get scene;
|
||||
}
|
||||
|
||||
///
|
||||
/// For now, this class just holds the entities that have been loaded (though not necessarily visible in the Filament Scene).
|
||||
///
|
||||
abstract class Scene {
|
||||
///
|
||||
/// The last entity clicked/tapped in the viewport (internally, the result of calling pick);
|
||||
FilamentEntity? selected;
|
||||
|
||||
///
|
||||
/// A Stream updated whenever an entity is added/removed from the scene.
|
||||
///
|
||||
Stream<bool> get onUpdated;
|
||||
|
||||
///
|
||||
/// A Stream containing every FilamentEntity added to the scene (i.e. via [loadGlb], [loadGltf] or [addLight]).
|
||||
/// This is provided for convenience so you can set listeners in front-end widgets that can respond to entity loads without manually passing around the FilamentEntity returned from those methods.
|
||||
///
|
||||
Stream<FilamentEntity> get onLoad;
|
||||
|
||||
///
|
||||
/// A Stream containing every FilamentEntity removed from the scene (i.e. via [removeEntity], [clearEntities], [removeLight] or [clearLights]).
|
||||
|
||||
Stream<FilamentEntity> get onUnload;
|
||||
|
||||
///
|
||||
/// Lists all light entities currently loaded (not necessarily active in the scene). Does not account for instances.
|
||||
///
|
||||
Iterable<FilamentEntity> listLights();
|
||||
|
||||
///
|
||||
/// Lists all entities currently loaded (not necessarily active in the scene). Does not account for instances.
|
||||
///
|
||||
Iterable<FilamentEntity> listEntities();
|
||||
|
||||
///
|
||||
/// Attach the gizmo to the specified entity.
|
||||
///
|
||||
void select(FilamentEntity entity);
|
||||
|
||||
///
|
||||
/// The transform gizmo.
|
||||
///
|
||||
Gizmo get gizmo;
|
||||
}
|
||||
1627
lib/filament/filament_controller_ffi.dart
Normal file
1627
lib/filament/filament_controller_ffi.dart
Normal file
File diff suppressed because it is too large
Load Diff
1862
lib/filament/generated_bindings.dart
Normal file
1862
lib/filament/generated_bindings.dart
Normal file
File diff suppressed because it is too large
Load Diff
1573
lib/filament/generated_bindings_web.dart
Normal file
1573
lib/filament/generated_bindings_web.dart
Normal file
File diff suppressed because it is too large
Load Diff
39
lib/filament/rendering_surface.dart
Normal file
39
lib/filament/rendering_surface.dart
Normal file
@@ -0,0 +1,39 @@
|
||||
import 'dart:ffi';
|
||||
import 'dart:developer' as dev;
|
||||
|
||||
class RenderingSurface {
|
||||
final int flutterTextureId;
|
||||
final Pointer<Void> surface;
|
||||
final int textureHandle;
|
||||
final int sharedContext;
|
||||
|
||||
factory RenderingSurface.from(dynamic platformMessage) {
|
||||
var flutterTextureId = platformMessage[0];
|
||||
|
||||
// void* on iOS (pointer to pixel buffer), Android (pointer to native window), null on macOS/Windows
|
||||
var surfaceAddress = platformMessage[1] as int? ?? 0;
|
||||
|
||||
// null on iOS/Android, void* on MacOS (pointer to metal texture), GLuid on Windows/Linux
|
||||
var nativeTexture = platformMessage[2] as int? ?? 0;
|
||||
|
||||
if (nativeTexture != 0) {
|
||||
assert(surfaceAddress == 0);
|
||||
}
|
||||
|
||||
var sharedContext = platformMessage[3] as int? ?? 0;
|
||||
|
||||
dev.log(
|
||||
"Using flutterTextureId $flutterTextureId, surface $surfaceAddress nativeTexture $nativeTexture and sharedContext $sharedContext");
|
||||
return RenderingSurface(
|
||||
sharedContext: sharedContext,
|
||||
flutterTextureId: flutterTextureId,
|
||||
surface: Pointer<Void>.fromAddress(surfaceAddress),
|
||||
textureHandle: nativeTexture);
|
||||
}
|
||||
|
||||
RenderingSurface(
|
||||
{required this.sharedContext,
|
||||
required this.flutterTextureId,
|
||||
required this.surface,
|
||||
required this.textureHandle});
|
||||
}
|
||||
118
lib/filament/scene.dart
Normal file
118
lib/filament/scene.dart
Normal file
@@ -0,0 +1,118 @@
|
||||
import 'dart:async';
|
||||
import 'package:flutter_filament/filament/entities/gizmo.dart';
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
|
||||
///
|
||||
/// For now, this class just holds the entities that have been loaded (though not necessarily visible in the Filament Scene).
|
||||
///
|
||||
class SceneImpl extends Scene {
|
||||
final Gizmo _gizmo;
|
||||
Gizmo get gizmo => _gizmo;
|
||||
|
||||
SceneImpl(this._gizmo);
|
||||
|
||||
@override
|
||||
FilamentEntity? selected;
|
||||
|
||||
final _onUpdatedController = StreamController<bool>.broadcast();
|
||||
@override
|
||||
Stream<bool> get onUpdated => _onUpdatedController.stream;
|
||||
|
||||
final _onLoadController = StreamController<FilamentEntity>.broadcast();
|
||||
@override
|
||||
Stream<FilamentEntity> get onLoad => _onLoadController.stream;
|
||||
|
||||
final _onUnloadController = StreamController<FilamentEntity>.broadcast();
|
||||
@override
|
||||
Stream<FilamentEntity> get onUnload => _onUnloadController.stream;
|
||||
|
||||
final _lights = <FilamentEntity>{};
|
||||
final _entities = <FilamentEntity>{};
|
||||
|
||||
void registerLight(FilamentEntity entity) {
|
||||
_lights.add(entity);
|
||||
_onLoadController.sink.add(entity);
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void unregisterLight(FilamentEntity entity) {
|
||||
if (selected == entity) {
|
||||
selected = null;
|
||||
_gizmo.detach();
|
||||
}
|
||||
_lights.remove(entity);
|
||||
_onUnloadController.add(entity);
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void unregisterEntity(FilamentEntity entity) {
|
||||
if (selected == entity) {
|
||||
selected = null;
|
||||
_gizmo.detach();
|
||||
}
|
||||
_entities.remove(entity);
|
||||
_onUnloadController.add(entity);
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void registerEntity(FilamentEntity entity) {
|
||||
_entities.add(entity);
|
||||
_entities.add(entity);
|
||||
_onLoadController.sink.add(entity);
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void clearLights() {
|
||||
for (final light in _lights) {
|
||||
if (selected == light) {
|
||||
selected = null;
|
||||
_gizmo.detach();
|
||||
}
|
||||
_onUnloadController.add(light);
|
||||
}
|
||||
|
||||
_lights.clear();
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void clearEntities() {
|
||||
for (final entity in _entities) {
|
||||
if (selected == entity) {
|
||||
selected = null;
|
||||
_gizmo.detach();
|
||||
}
|
||||
_onUnloadController.add(entity);
|
||||
}
|
||||
_entities.clear();
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
///
|
||||
/// Lists all entities currently loaded (not necessarily active in the scene).
|
||||
///
|
||||
Iterable<FilamentEntity> listLights() {
|
||||
return _lights;
|
||||
}
|
||||
|
||||
@override
|
||||
Iterable<FilamentEntity> listEntities() {
|
||||
return _entities;
|
||||
}
|
||||
|
||||
void registerSelected(FilamentEntity entity) {
|
||||
selected = entity;
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
void unregisterSelected() {
|
||||
selected = null;
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
|
||||
@override
|
||||
void select(FilamentEntity entity) {
|
||||
selected = entity;
|
||||
_gizmo.attach(entity);
|
||||
_onUpdatedController.add(true);
|
||||
}
|
||||
}
|
||||
15
lib/filament/utils/camera_orientation.dart
Normal file
15
lib/filament/utils/camera_orientation.dart
Normal file
@@ -0,0 +1,15 @@
|
||||
import 'package:vector_math/vector_math_64.dart' as v;
|
||||
|
||||
class CameraOrientation {
|
||||
v.Vector3 position = v.Vector3(0, 0, 0);
|
||||
|
||||
var rotationX = 0.0;
|
||||
var rotationY = 0.0;
|
||||
var rotationZ = 0.0;
|
||||
|
||||
v.Quaternion compose() {
|
||||
return v.Quaternion.axisAngle(v.Vector3(0, 0, 1), rotationZ) *
|
||||
v.Quaternion.axisAngle(v.Vector3(0, 1, 0), rotationY) *
|
||||
v.Quaternion.axisAngle(v.Vector3(1, 0, 0), rotationX);
|
||||
}
|
||||
}
|
||||
60
lib/filament/utils/hardware_keyboard_listener.dart
Normal file
60
lib/filament/utils/hardware_keyboard_listener.dart
Normal file
@@ -0,0 +1,60 @@
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:flutter_filament/filament/entities/entity_transform_controller.dart';
|
||||
|
||||
class HardwareKeyboardListener {
|
||||
final EntityTransformController _controller;
|
||||
var _listening = true;
|
||||
HardwareKeyboardListener(this._controller) {
|
||||
// Get the global handler.
|
||||
final KeyMessageHandler? existing =
|
||||
ServicesBinding.instance.keyEventManager.keyMessageHandler;
|
||||
// The handler is guaranteed non-null since
|
||||
// `FallbackKeyEventRegistrar.instance` is only called during
|
||||
// `Focus.onFocusChange`, at which time `ServicesBinding.instance` must
|
||||
// have been called somewhere.
|
||||
assert(existing != null);
|
||||
// Assign the global handler with a patched handler.
|
||||
ServicesBinding.instance.keyEventManager.keyMessageHandler = (keyMessage) {
|
||||
if (keyMessage.rawEvent == null) {
|
||||
return false;
|
||||
}
|
||||
if (!_listening) {
|
||||
return false;
|
||||
}
|
||||
var event = keyMessage.rawEvent!;
|
||||
switch (event.logicalKey) {
|
||||
case LogicalKeyboardKey.escape:
|
||||
_listening = false;
|
||||
break;
|
||||
case LogicalKeyboardKey.keyW:
|
||||
(event is RawKeyDownEvent)
|
||||
? _controller.forwardPressed()
|
||||
: _controller.forwardReleased();
|
||||
break;
|
||||
case LogicalKeyboardKey.keyA:
|
||||
event is RawKeyDownEvent
|
||||
? _controller.strafeLeftPressed()
|
||||
: _controller.strafeLeftReleased();
|
||||
break;
|
||||
case LogicalKeyboardKey.keyS:
|
||||
event is RawKeyDownEvent
|
||||
? _controller.backPressed()
|
||||
: _controller.backReleased();
|
||||
break;
|
||||
case LogicalKeyboardKey.keyD:
|
||||
event is RawKeyDownEvent
|
||||
? _controller.strafeRightPressed()
|
||||
: _controller.strafeRightReleased();
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return true;
|
||||
};
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
ServicesBinding.instance.keyEventManager.keyMessageHandler = null;
|
||||
_controller.dispose();
|
||||
}
|
||||
}
|
||||
40
lib/filament/utils/hardware_keyboard_poll.dart
Normal file
40
lib/filament/utils/hardware_keyboard_poll.dart
Normal file
@@ -0,0 +1,40 @@
|
||||
import 'dart:async';
|
||||
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:flutter_filament/filament/entities/entity_transform_controller.dart';
|
||||
|
||||
class HardwareKeyboardPoll {
|
||||
final EntityTransformController _controller;
|
||||
late Timer _timer;
|
||||
HardwareKeyboardPoll(this._controller) {
|
||||
_timer = Timer.periodic(const Duration(milliseconds: 16), (_) {
|
||||
if (RawKeyboard.instance.keysPressed.contains(LogicalKeyboardKey.keyW)) {
|
||||
_controller.forwardPressed();
|
||||
} else {
|
||||
_controller.forwardReleased();
|
||||
}
|
||||
|
||||
if (RawKeyboard.instance.keysPressed.contains(LogicalKeyboardKey.keyS)) {
|
||||
_controller.backPressed();
|
||||
} else {
|
||||
_controller.backReleased();
|
||||
}
|
||||
|
||||
if (RawKeyboard.instance.keysPressed.contains(LogicalKeyboardKey.keyA)) {
|
||||
_controller.strafeLeftPressed();
|
||||
} else {
|
||||
_controller.strafeLeftReleased();
|
||||
}
|
||||
|
||||
if (RawKeyboard.instance.keysPressed.contains(LogicalKeyboardKey.keyD)) {
|
||||
_controller.strafeRightPressed();
|
||||
} else {
|
||||
_controller.strafeRightReleased();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void dispose() {
|
||||
_timer.cancel();
|
||||
}
|
||||
}
|
||||
29
lib/filament/utils/light_options.dart
Normal file
29
lib/filament/utils/light_options.dart
Normal file
@@ -0,0 +1,29 @@
|
||||
import 'package:vector_math/vector_math_64.dart' as v;
|
||||
|
||||
class LightOptions {
|
||||
String? iblPath;
|
||||
double iblIntensity;
|
||||
int directionalType;
|
||||
double directionalColor;
|
||||
double directionalIntensity;
|
||||
bool directionalCastShadows;
|
||||
late v.Vector3 directionalPosition;
|
||||
late v.Vector3 directionalDirection;
|
||||
|
||||
LightOptions(
|
||||
{required this.iblPath,
|
||||
required this.iblIntensity,
|
||||
required this.directionalType,
|
||||
required this.directionalColor,
|
||||
required this.directionalIntensity,
|
||||
required this.directionalCastShadows,
|
||||
v.Vector3? directionalDirection,
|
||||
v.Vector3? directionalPosition}) {
|
||||
this.directionalDirection = directionalDirection == null
|
||||
? v.Vector3(0, -1, 0)
|
||||
: directionalDirection;
|
||||
this.directionalPosition = directionalPosition == null
|
||||
? v.Vector3(0, 100, 0)
|
||||
: directionalPosition;
|
||||
}
|
||||
}
|
||||
10
lib/filament/utils/using_pointer.dart
Normal file
10
lib/filament/utils/using_pointer.dart
Normal file
@@ -0,0 +1,10 @@
|
||||
import 'dart:ffi';
|
||||
|
||||
import 'package:ffi/ffi.dart';
|
||||
|
||||
final allocator = calloc;
|
||||
|
||||
void using(Pointer ptr, Future Function(Pointer ptr) function) async {
|
||||
await function.call(ptr);
|
||||
allocator.free(ptr);
|
||||
}
|
||||
233
lib/filament/widgets/camera_options_widget.dart
Normal file
233
lib/filament/widgets/camera_options_widget.dart
Normal file
@@ -0,0 +1,233 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/widgets.dart';
|
||||
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
import 'package:flutter_filament/filament/utils/camera_orientation.dart';
|
||||
import 'dart:math';
|
||||
import 'package:vector_math/vector_math_64.dart' as v64;
|
||||
|
||||
class CameraOptionsWidget extends StatefulWidget {
|
||||
final FilamentController controller;
|
||||
final CameraOrientation cameraOrientation;
|
||||
final List<({FilamentEntity entity, String name})> cameras;
|
||||
|
||||
CameraOptionsWidget(
|
||||
{super.key,
|
||||
required this.controller,
|
||||
required this.cameras,
|
||||
required this.cameraOrientation}) {}
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => _CameraOptionsWidgetState();
|
||||
}
|
||||
|
||||
class _CameraOptionsWidgetState extends State<CameraOptionsWidget> {
|
||||
final _apertureController = TextEditingController();
|
||||
final _speedController = TextEditingController();
|
||||
final _sensitivityController = TextEditingController();
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_apertureController.text = "0";
|
||||
_speedController.text = "0";
|
||||
_sensitivityController.text = "0";
|
||||
|
||||
_apertureController.addListener(() {
|
||||
_set();
|
||||
setState(() {});
|
||||
});
|
||||
_speedController.addListener(() {
|
||||
_set();
|
||||
setState(() {});
|
||||
});
|
||||
_sensitivityController.addListener(() {
|
||||
_set();
|
||||
setState(() {});
|
||||
});
|
||||
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(CameraOptionsWidget oldWidget) {
|
||||
super.didUpdateWidget(oldWidget);
|
||||
if (oldWidget.cameras.length != widget.cameras.length) {
|
||||
setState(() {});
|
||||
}
|
||||
}
|
||||
|
||||
Future _set() async {
|
||||
await widget.controller.setCameraExposure(
|
||||
double.parse(_apertureController.text),
|
||||
double.parse(_speedController.text),
|
||||
double.parse(_sensitivityController.text));
|
||||
await widget.controller.setCameraPosition(
|
||||
widget.cameraOrientation.position.x,
|
||||
widget.cameraOrientation.position.y,
|
||||
widget.cameraOrientation.position.z);
|
||||
var rotation = widget.cameraOrientation.compose();
|
||||
await widget.controller.setCameraRotation(rotation);
|
||||
print(
|
||||
"Camera : ${widget.cameraOrientation.position} ${widget.cameraOrientation.rotationX} ${widget.cameraOrientation.rotationY} ${widget.cameraOrientation.rotationZ}");
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
double _bloom = 0.0;
|
||||
|
||||
double _focalLength = 26.0;
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Theme(
|
||||
data: ThemeData(platform: TargetPlatform.android),
|
||||
child: Container(
|
||||
decoration: BoxDecoration(color: Colors.white.withOpacity(0.5)),
|
||||
child: SliderTheme(
|
||||
data: SliderThemeData(
|
||||
showValueIndicator: ShowValueIndicator.always,
|
||||
valueIndicatorTextStyle: TextStyle(color: Colors.black)),
|
||||
child: Column(mainAxisSize: MainAxisSize.min, children: [
|
||||
Row(children: [
|
||||
Text("Aperture"),
|
||||
Expanded(
|
||||
child: TextField(
|
||||
controller: _apertureController,
|
||||
)),
|
||||
Text("Speed"),
|
||||
Expanded(child: TextField(controller: _speedController)),
|
||||
Text("Sensitivity"),
|
||||
Expanded(
|
||||
child: TextField(controller: _sensitivityController)),
|
||||
]),
|
||||
Row(children: [
|
||||
Text("Bloom: ${_bloom.toStringAsFixed(2)}"),
|
||||
Slider(
|
||||
value: _bloom,
|
||||
min: 0.0,
|
||||
max: 1.0,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
_bloom = v;
|
||||
});
|
||||
await widget.controller.setBloom(_bloom);
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("Focal length"),
|
||||
Slider(
|
||||
label: _focalLength.toString(),
|
||||
value: _focalLength,
|
||||
min: 1.0,
|
||||
max: 100.0,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
_focalLength = v;
|
||||
});
|
||||
await widget.controller
|
||||
.setCameraFocalLength(_focalLength);
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("X"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.position.x.toString(),
|
||||
value: widget.cameraOrientation.position.x,
|
||||
min: -100.0,
|
||||
max: 100.0,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.position.x = v;
|
||||
});
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("Y"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.position.y.toString(),
|
||||
value: widget.cameraOrientation.position.y,
|
||||
min: -100.0,
|
||||
max: 100.0,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.position.y = v;
|
||||
});
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("Z"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.position.z.toString(),
|
||||
value: widget.cameraOrientation.position.z,
|
||||
min: -100.0,
|
||||
max: 100.0,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.position.z = v;
|
||||
});
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("ROTX"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.rotationX.toString(),
|
||||
value: widget.cameraOrientation.rotationX,
|
||||
min: -pi,
|
||||
max: pi,
|
||||
onChanged: (value) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.rotationX = value;
|
||||
});
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Row(children: [
|
||||
Text("ROTY"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.rotationY.toString(),
|
||||
value: widget.cameraOrientation.rotationY,
|
||||
min: -pi,
|
||||
max: pi,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.rotationY = v;
|
||||
});
|
||||
_set();
|
||||
}),
|
||||
]),
|
||||
Row(children: [
|
||||
Text("ROTZ"),
|
||||
Slider(
|
||||
label: widget.cameraOrientation.rotationZ.toString(),
|
||||
value: widget.cameraOrientation.rotationZ,
|
||||
min: -pi,
|
||||
max: pi,
|
||||
onChanged: (v) async {
|
||||
setState(() {
|
||||
widget.cameraOrientation.rotationZ = v;
|
||||
});
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Wrap(
|
||||
children: [
|
||||
GestureDetector(
|
||||
child: Text("Main "),
|
||||
onTap: () {
|
||||
widget.controller.setMainCamera();
|
||||
},
|
||||
),
|
||||
...widget.cameras
|
||||
.map((camera) => GestureDetector(
|
||||
onTap: () {
|
||||
widget.controller
|
||||
.setCamera(camera.entity, camera.name);
|
||||
},
|
||||
child: Text(camera.name)))
|
||||
.toList()
|
||||
],
|
||||
)
|
||||
]))));
|
||||
}
|
||||
}
|
||||
147
lib/filament/widgets/debug/entity_list_widget.dart
Normal file
147
lib/filament/widgets/debug/entity_list_widget.dart
Normal file
@@ -0,0 +1,147 @@
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_filament/filament/entities/gizmo.dart';
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
|
||||
class EntityListWidget extends StatefulWidget {
|
||||
final FilamentController? controller;
|
||||
|
||||
const EntityListWidget({super.key, required this.controller});
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => _EntityListWidget();
|
||||
}
|
||||
|
||||
class _EntityListWidget extends State<EntityListWidget> {
|
||||
@override
|
||||
void didUpdateWidget(EntityListWidget oldWidget) {
|
||||
super.didUpdateWidget(oldWidget);
|
||||
}
|
||||
|
||||
Widget _entity(FilamentEntity entity) {
|
||||
return FutureBuilder(
|
||||
future: widget.controller!.getAnimationNames(entity),
|
||||
builder: (_, animations) {
|
||||
if (animations.data == null) {
|
||||
return Container();
|
||||
}
|
||||
final menuController = MenuController();
|
||||
return Row(children: [
|
||||
Expanded(
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
widget.controller!.scene.select(entity);
|
||||
},
|
||||
child: Text(entity.toString(),
|
||||
style: TextStyle(
|
||||
fontWeight:
|
||||
entity == widget.controller!.scene.selected
|
||||
? FontWeight.bold
|
||||
: FontWeight.normal)))),
|
||||
MenuAnchor(
|
||||
controller: menuController,
|
||||
child: Container(
|
||||
color: Colors.transparent,
|
||||
child: IconButton(
|
||||
icon: const Icon(
|
||||
Icons.arrow_drop_down,
|
||||
color: Colors.black,
|
||||
),
|
||||
onPressed: () {
|
||||
menuController.open();
|
||||
},
|
||||
)),
|
||||
menuChildren: [
|
||||
MenuItemButton(
|
||||
child: const Text("Remove"),
|
||||
onPressed: () async {
|
||||
await widget.controller!.removeEntity(entity);
|
||||
}),
|
||||
MenuItemButton(
|
||||
child: const Text("Transform to unit cube"),
|
||||
onPressed: () async {
|
||||
await widget.controller!.transformToUnitCube(entity);
|
||||
}),
|
||||
SubmenuButton(
|
||||
child: const Text("Animations"),
|
||||
menuChildren: animations.data!
|
||||
.map((a) => MenuItemButton(
|
||||
child: Text(a),
|
||||
onPressed: () {
|
||||
widget.controller!.playAnimation(
|
||||
entity, animations.data!.indexOf(a));
|
||||
},
|
||||
))
|
||||
.toList())
|
||||
])
|
||||
]);
|
||||
});
|
||||
}
|
||||
|
||||
Widget _light(FilamentEntity entity) {
|
||||
final controller = MenuController();
|
||||
return Row(children: [
|
||||
GestureDetector(
|
||||
onTap: () {
|
||||
widget.controller!.scene.select(entity);
|
||||
},
|
||||
child: Container(
|
||||
color: Colors.transparent,
|
||||
child: Text("Light $entity",
|
||||
style: TextStyle(
|
||||
fontWeight: entity == widget.controller!.scene.selected
|
||||
? FontWeight.bold
|
||||
: FontWeight.normal)))),
|
||||
MenuAnchor(
|
||||
controller: controller,
|
||||
child: Container(
|
||||
color: Colors.transparent,
|
||||
child: IconButton(
|
||||
icon: const Icon(
|
||||
Icons.arrow_drop_down,
|
||||
color: Colors.black,
|
||||
),
|
||||
onPressed: () {
|
||||
controller.open();
|
||||
},
|
||||
)),
|
||||
menuChildren: [
|
||||
MenuItemButton(
|
||||
child: const Text("Remove"),
|
||||
onPressed: () async {
|
||||
await widget.controller!.removeLight(entity);
|
||||
})
|
||||
])
|
||||
]);
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
if (widget.controller == null) {
|
||||
return Container();
|
||||
}
|
||||
return ValueListenableBuilder(
|
||||
valueListenable: widget.controller!.hasViewer,
|
||||
builder: (_, bool hasViewer, __) => !hasViewer
|
||||
? Container()
|
||||
: StreamBuilder(
|
||||
stream: widget.controller!.scene.onUpdated,
|
||||
builder: (_, __) => Container(
|
||||
padding: const EdgeInsets.symmetric(
|
||||
horizontal: 30, vertical: 10),
|
||||
height: 100,
|
||||
decoration: BoxDecoration(
|
||||
borderRadius: BorderRadius.circular(30),
|
||||
color: Colors.white.withOpacity(0.25),
|
||||
),
|
||||
child: ListView(
|
||||
reverse: true,
|
||||
children: widget.controller!.scene
|
||||
.listLights()
|
||||
.map(_light)
|
||||
.followedBy(widget.controller!.scene
|
||||
.listEntities()
|
||||
.map(_entity))
|
||||
.cast<Widget>()
|
||||
.toList()))));
|
||||
}
|
||||
}
|
||||
52
lib/filament/widgets/entity_controller_mouse_widget.dart
Normal file
52
lib/filament/widgets/entity_controller_mouse_widget.dart
Normal file
@@ -0,0 +1,52 @@
|
||||
import 'package:flutter/gestures.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
|
||||
import 'dart:async';
|
||||
|
||||
import 'package:flutter_filament/filament/entities/entity_transform_controller.dart';
|
||||
|
||||
///
|
||||
/// A widget that translates mouse gestures to zoom/pan/rotate actions.
|
||||
///
|
||||
class EntityTransformMouseControllerWidget extends StatelessWidget {
|
||||
final EntityTransformController? transformController;
|
||||
final Widget? child;
|
||||
|
||||
EntityTransformMouseControllerWidget(
|
||||
{Key? key, required this.transformController, this.child})
|
||||
: super(key: key);
|
||||
|
||||
Timer? _timer;
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return LayoutBuilder(
|
||||
builder: (BuildContext context, BoxConstraints constraints) {
|
||||
return Listener(
|
||||
onPointerDown: (event) {
|
||||
if (kPrimaryMouseButton & event.buttons != 0) {
|
||||
transformController?.mouse1Down();
|
||||
}
|
||||
},
|
||||
onPointerUp: (event) {
|
||||
if (kPrimaryMouseButton & event.buttons != 0) {
|
||||
transformController?.mouse1Up();
|
||||
}
|
||||
},
|
||||
onPointerHover: (event) {
|
||||
_timer?.cancel();
|
||||
if (event.position.dx < 10) {
|
||||
_timer = Timer.periodic(const Duration(milliseconds: 17), (_) {
|
||||
transformController?.look(-30);
|
||||
});
|
||||
} else if (event.position.dx > constraints.maxWidth - 10) {
|
||||
_timer = Timer.periodic(const Duration(milliseconds: 17), (_) {
|
||||
transformController?.look(30);
|
||||
});
|
||||
} else {
|
||||
transformController?.look(event.delta.dx);
|
||||
}
|
||||
},
|
||||
child: child);
|
||||
});
|
||||
}
|
||||
}
|
||||
93
lib/filament/widgets/filament_gesture_detector.dart
Normal file
93
lib/filament/widgets/filament_gesture_detector.dart
Normal file
@@ -0,0 +1,93 @@
|
||||
import 'dart:io';
|
||||
|
||||
import 'package:flutter/foundation.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_filament/filament/widgets/filament_gesture_detector_desktop.dart';
|
||||
import 'package:flutter_filament/filament/widgets/filament_gesture_detector_mobile.dart';
|
||||
import '../filament_controller.dart';
|
||||
|
||||
enum GestureType { rotateCamera, panCamera, panBackground }
|
||||
|
||||
///
|
||||
/// A widget that translates finger/mouse gestures to zoom/pan/rotate actions.
|
||||
///
|
||||
class FilamentGestureDetector extends StatelessWidget {
|
||||
///
|
||||
/// The content to display below the gesture detector/listener widget.
|
||||
/// This will usually be a FilamentWidget (so you can navigate by directly interacting with the viewport), but this is not necessary.
|
||||
/// It is equally possible to render the viewport/gesture controls elsewhere in the widget hierarchy. The only requirement is that they share the same [FilamentController].
|
||||
///
|
||||
final Widget? child;
|
||||
|
||||
///
|
||||
/// The [controller] attached to the [FilamentWidget] you wish to control.
|
||||
///
|
||||
final FilamentController controller;
|
||||
|
||||
///
|
||||
/// If true, an overlay will be shown with buttons to toggle whether pointer movements are interpreted as:
|
||||
/// 1) rotate or a pan (mobile only),
|
||||
/// 2) moving the camera or the background image (TODO).
|
||||
///
|
||||
final bool showControlOverlay;
|
||||
|
||||
///
|
||||
/// If false, gestures will not manipulate the active camera.
|
||||
///
|
||||
final bool enableCamera;
|
||||
|
||||
///
|
||||
/// If false, pointer down events will not trigger hit-testing (picking).
|
||||
///
|
||||
final bool enablePicking;
|
||||
|
||||
final void Function(ScaleStartDetails)? onScaleStart;
|
||||
final void Function(ScaleUpdateDetails)? onScaleUpdate;
|
||||
final void Function(ScaleEndDetails)? onScaleEnd;
|
||||
|
||||
const FilamentGestureDetector(
|
||||
{Key? key,
|
||||
required this.controller,
|
||||
this.child,
|
||||
this.showControlOverlay = false,
|
||||
this.enableCamera = true,
|
||||
this.enablePicking = true,
|
||||
this.onScaleStart,
|
||||
this.onScaleUpdate,
|
||||
this.onScaleEnd})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return ValueListenableBuilder(
|
||||
valueListenable: controller.hasViewer,
|
||||
builder: (_, bool hasViewer, __) {
|
||||
if (!hasViewer) {
|
||||
return Container(child: child);
|
||||
}
|
||||
if (kIsWeb) {
|
||||
throw Exception("TODO");
|
||||
} else if (Platform.isLinux ||
|
||||
Platform.isWindows ||
|
||||
Platform.isMacOS) {
|
||||
return FilamentGestureDetectorDesktop(
|
||||
controller: controller,
|
||||
child: child,
|
||||
showControlOverlay: showControlOverlay,
|
||||
enableCamera: enableCamera,
|
||||
enablePicking: enablePicking,
|
||||
);
|
||||
} else {
|
||||
return FilamentGestureDetectorMobile(
|
||||
controller: controller,
|
||||
child: child,
|
||||
showControlOverlay: showControlOverlay,
|
||||
enableCamera: enableCamera,
|
||||
enablePicking: enablePicking,
|
||||
onScaleStart: onScaleStart,
|
||||
onScaleUpdate: onScaleUpdate,
|
||||
onScaleEnd: onScaleEnd);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
185
lib/filament/widgets/filament_gesture_detector_desktop.dart
Normal file
185
lib/filament/widgets/filament_gesture_detector_desktop.dart
Normal file
@@ -0,0 +1,185 @@
|
||||
import 'dart:async';
|
||||
|
||||
import 'package:flutter/gestures.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_filament/filament/entities/gizmo.dart';
|
||||
import '../filament_controller.dart';
|
||||
|
||||
///
|
||||
/// A widget that translates finger/mouse gestures to zoom/pan/rotate actions.
|
||||
///
|
||||
class FilamentGestureDetectorDesktop extends StatefulWidget {
|
||||
///
|
||||
/// The content to display below the gesture detector/listener widget.
|
||||
/// This will usually be a FilamentWidget (so you can navigate by directly interacting with the viewport), but this is not necessary.
|
||||
/// It is equally possible to render the viewport/gesture controls elsewhere in the widget hierarchy. The only requirement is that they share the same [FilamentController].
|
||||
///
|
||||
final Widget? child;
|
||||
|
||||
///
|
||||
/// The [controller] attached to the [FilamentWidget] you wish to control.
|
||||
///
|
||||
final FilamentController controller;
|
||||
|
||||
///
|
||||
/// If true, an overlay will be shown with buttons to toggle whether pointer movements are interpreted as:
|
||||
/// 1) rotate or a pan (mobile only),
|
||||
/// 2) moving the camera or the background image (TODO).
|
||||
///
|
||||
final bool showControlOverlay;
|
||||
|
||||
///
|
||||
/// If false, gestures will not manipulate the active camera.
|
||||
///
|
||||
final bool enableCamera;
|
||||
|
||||
///
|
||||
/// If false, pointer down events will not trigger hit-testing (picking).
|
||||
///
|
||||
final bool enablePicking;
|
||||
|
||||
const FilamentGestureDetectorDesktop(
|
||||
{Key? key,
|
||||
required this.controller,
|
||||
this.child,
|
||||
this.showControlOverlay = false,
|
||||
this.enableCamera = true,
|
||||
this.enablePicking = true})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => _FilamentGestureDetectorDesktopState();
|
||||
}
|
||||
|
||||
class _FilamentGestureDetectorDesktopState
|
||||
extends State<FilamentGestureDetectorDesktop> {
|
||||
///
|
||||
///
|
||||
///
|
||||
// ignore: unused_field
|
||||
final bool _scaling = false;
|
||||
|
||||
bool _pointerMoving = false;
|
||||
|
||||
Gizmo get _gizmo => widget.controller.scene.gizmo;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(FilamentGestureDetectorDesktop oldWidget) {
|
||||
if (widget.showControlOverlay != oldWidget.showControlOverlay ||
|
||||
widget.enableCamera != oldWidget.enableCamera ||
|
||||
widget.enablePicking != oldWidget.enablePicking) {
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
super.didUpdateWidget(oldWidget);
|
||||
}
|
||||
|
||||
Timer? _scrollTimer;
|
||||
|
||||
///
|
||||
/// Scroll-wheel on desktop, interpreted as zoom
|
||||
///
|
||||
void _zoom(PointerScrollEvent pointerSignal) async {
|
||||
_scrollTimer?.cancel();
|
||||
await widget.controller.zoomBegin();
|
||||
await widget.controller.zoomUpdate(
|
||||
pointerSignal.localPosition.dx,
|
||||
pointerSignal.localPosition.dy,
|
||||
pointerSignal.scrollDelta.dy > 0 ? 1 : -1);
|
||||
|
||||
// we don't want to end the zoom in the same frame, because this will destroy the camera manipulator (and cancel the zoom update).
|
||||
// here, we just defer calling [zoomEnd] for 100ms to ensure the update is propagated through.
|
||||
_scrollTimer = Timer(const Duration(milliseconds: 100), () async {
|
||||
await widget.controller.zoomEnd();
|
||||
});
|
||||
}
|
||||
|
||||
Timer? _pickTimer;
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Listener(
|
||||
// onPointerHover: (event) async {
|
||||
// if (_gizmo.isActive) {
|
||||
// return;
|
||||
// }
|
||||
// _pickTimer?.cancel();
|
||||
// _pickTimer = Timer(const Duration(milliseconds: 100), () async {
|
||||
// widget.controller
|
||||
// .pick(event.position.dx.toInt(), event.position.dy.toInt());
|
||||
// });
|
||||
// },
|
||||
onPointerSignal: (PointerSignalEvent pointerSignal) async {
|
||||
if (pointerSignal is PointerScrollEvent) {
|
||||
if (widget.enableCamera) {
|
||||
_zoom(pointerSignal);
|
||||
}
|
||||
} else {
|
||||
throw Exception("TODO");
|
||||
}
|
||||
},
|
||||
onPointerPanZoomStart: (pzs) {
|
||||
throw Exception("TODO - is this a pinch zoom on laptop trackpad?");
|
||||
},
|
||||
onPointerDown: (d) async {
|
||||
if (_gizmo.isActive) {
|
||||
return;
|
||||
}
|
||||
if (d.buttons != kTertiaryButton && widget.enablePicking) {
|
||||
widget.controller
|
||||
.pick(d.localPosition.dx.toInt(), d.localPosition.dy.toInt());
|
||||
}
|
||||
_pointerMoving = false;
|
||||
},
|
||||
// holding/moving the left mouse button is interpreted as a pan, middle mouse button as a rotate
|
||||
onPointerMove: (PointerMoveEvent d) async {
|
||||
if (_gizmo.isActive) {
|
||||
_gizmo.translate(d.delta);
|
||||
return;
|
||||
}
|
||||
// if this is the first move event, we need to call rotateStart/panStart to set the first coordinates
|
||||
if (!_pointerMoving) {
|
||||
if (d.buttons == kTertiaryButton && widget.enableCamera) {
|
||||
widget.controller
|
||||
.rotateStart(d.localPosition.dx, d.localPosition.dy);
|
||||
} else if (widget.enableCamera) {
|
||||
widget.controller
|
||||
.panStart(d.localPosition.dx, d.localPosition.dy);
|
||||
}
|
||||
}
|
||||
// set the _pointerMoving flag so we don't call rotateStart/panStart on future move events
|
||||
_pointerMoving = true;
|
||||
if (d.buttons == kTertiaryButton && widget.enableCamera) {
|
||||
widget.controller
|
||||
.rotateUpdate(d.localPosition.dx, d.localPosition.dy);
|
||||
} else if (widget.enableCamera) {
|
||||
widget.controller.panUpdate(d.localPosition.dx, d.localPosition.dy);
|
||||
}
|
||||
},
|
||||
// when the left mouse button is released:
|
||||
// 1) if _pointerMoving is true, this completes the pan
|
||||
// 2) if _pointerMoving is false, this is interpreted as a pick
|
||||
// same applies to middle mouse button, but this is ignored as a pick
|
||||
onPointerUp: (PointerUpEvent d) async {
|
||||
if (_gizmo.isActive) {
|
||||
_gizmo.reset();
|
||||
return;
|
||||
}
|
||||
|
||||
if (d.buttons == kTertiaryButton && widget.enableCamera) {
|
||||
widget.controller.rotateEnd();
|
||||
} else {
|
||||
if (_pointerMoving && widget.enableCamera) {
|
||||
widget.controller.panEnd();
|
||||
}
|
||||
}
|
||||
_pointerMoving = false;
|
||||
},
|
||||
child: widget.child);
|
||||
}
|
||||
}
|
||||
234
lib/filament/widgets/filament_gesture_detector_mobile.dart
Normal file
234
lib/filament/widgets/filament_gesture_detector_mobile.dart
Normal file
@@ -0,0 +1,234 @@
|
||||
import 'dart:async';
|
||||
import 'package:flutter/material.dart';
|
||||
import '../filament_controller.dart';
|
||||
|
||||
enum GestureType { rotateCamera, panCamera, panBackground }
|
||||
|
||||
///
|
||||
/// A widget that translates finger/mouse gestures to zoom/pan/rotate actions.
|
||||
///
|
||||
class FilamentGestureDetectorMobile extends StatefulWidget {
|
||||
///
|
||||
/// The content to display below the gesture detector/listener widget.
|
||||
/// This will usually be a FilamentWidget (so you can navigate by directly interacting with the viewport), but this is not necessary.
|
||||
/// It is equally possible to render the viewport/gesture controls elsewhere in the widget hierarchy. The only requirement is that they share the same [FilamentController].
|
||||
///
|
||||
final Widget? child;
|
||||
|
||||
///
|
||||
/// The [controller] attached to the [FilamentWidget] you wish to control.
|
||||
///
|
||||
final FilamentController controller;
|
||||
|
||||
///
|
||||
/// If true, an overlay will be shown with buttons to toggle whether pointer movements are interpreted as:
|
||||
/// 1) rotate or a pan (mobile only),
|
||||
/// 2) moving the camera or the background image (TODO).
|
||||
///
|
||||
final bool showControlOverlay;
|
||||
|
||||
///
|
||||
/// If false, gestures will not manipulate the active camera.
|
||||
///
|
||||
final bool enableCamera;
|
||||
|
||||
///
|
||||
/// If false, pointer down events will not trigger hit-testing (picking).
|
||||
///
|
||||
final bool enablePicking;
|
||||
|
||||
final double zoomDelta;
|
||||
|
||||
final void Function(ScaleStartDetails)? onScaleStart;
|
||||
final void Function(ScaleUpdateDetails)? onScaleUpdate;
|
||||
final void Function(ScaleEndDetails)? onScaleEnd;
|
||||
|
||||
const FilamentGestureDetectorMobile(
|
||||
{Key? key,
|
||||
required this.controller,
|
||||
this.child,
|
||||
this.showControlOverlay = false,
|
||||
this.enableCamera = true,
|
||||
this.enablePicking = true,
|
||||
this.onScaleStart,
|
||||
this.onScaleUpdate,
|
||||
this.onScaleEnd,
|
||||
this.zoomDelta = 1})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => _FilamentGestureDetectorMobileState();
|
||||
}
|
||||
|
||||
class _FilamentGestureDetectorMobileState
|
||||
extends State<FilamentGestureDetectorMobile> {
|
||||
GestureType gestureType = GestureType.panCamera;
|
||||
|
||||
final _icons = {
|
||||
GestureType.panBackground: Icons.image,
|
||||
GestureType.panCamera: Icons.pan_tool,
|
||||
GestureType.rotateCamera: Icons.rotate_90_degrees_ccw
|
||||
};
|
||||
|
||||
// on mobile, we can't differentiate between pointer down events like we do on desktop with primary/secondary/tertiary buttons
|
||||
// we allow the user to toggle between panning and rotating by double-tapping the widget
|
||||
bool _rotateOnPointerMove = false;
|
||||
|
||||
//
|
||||
//
|
||||
//
|
||||
bool _scaling = false;
|
||||
|
||||
// to avoid duplicating code for pan/rotate (panStart, panUpdate, panEnd, rotateStart, rotateUpdate etc)
|
||||
// we have only a single function for start/update/end.
|
||||
// when the gesture type is changed, these properties are updated to point to the correct function.
|
||||
// ignore: unused_field
|
||||
late Function(double x, double y) _functionStart;
|
||||
// ignore: unused_field
|
||||
late Function(double x, double y) _functionUpdate;
|
||||
// ignore: unused_field
|
||||
late Function() _functionEnd;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_setFunction();
|
||||
super.initState();
|
||||
}
|
||||
|
||||
void _setFunction() {
|
||||
switch (gestureType) {
|
||||
case GestureType.rotateCamera:
|
||||
_functionStart = widget.controller.rotateStart;
|
||||
_functionUpdate = widget.controller.rotateUpdate;
|
||||
_functionEnd = widget.controller.rotateEnd;
|
||||
break;
|
||||
case GestureType.panCamera:
|
||||
_functionStart = widget.controller.panStart;
|
||||
_functionUpdate = widget.controller.panUpdate;
|
||||
_functionEnd = widget.controller.panEnd;
|
||||
break;
|
||||
// TODO
|
||||
case GestureType.panBackground:
|
||||
_functionStart = (x, y) async {};
|
||||
_functionUpdate = (x, y) async {};
|
||||
_functionEnd = () async {};
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(FilamentGestureDetectorMobile oldWidget) {
|
||||
if (widget.showControlOverlay != oldWidget.showControlOverlay ||
|
||||
widget.enableCamera != oldWidget.enableCamera ||
|
||||
widget.enablePicking != oldWidget.enablePicking) {
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
super.didUpdateWidget(oldWidget);
|
||||
}
|
||||
|
||||
// ignore: unused_field
|
||||
Timer? _scrollTimer;
|
||||
double _lastScale = 0;
|
||||
|
||||
// pinch zoom on mobile
|
||||
// couldn't find any equivalent for pointerCount in Listener (?) so we use a GestureDetector
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Stack(children: [
|
||||
Positioned.fill(
|
||||
child: GestureDetector(
|
||||
behavior: HitTestBehavior.translucent,
|
||||
onTapDown: (d) {
|
||||
if (!widget.enablePicking) {
|
||||
return;
|
||||
}
|
||||
|
||||
widget.controller.pick(
|
||||
d.globalPosition.dx.toInt(), d.globalPosition.dy.toInt());
|
||||
},
|
||||
onDoubleTap: () {
|
||||
setState(() {
|
||||
_rotateOnPointerMove = !_rotateOnPointerMove;
|
||||
});
|
||||
},
|
||||
onScaleStart: (d) async {
|
||||
if (widget.onScaleStart != null) {
|
||||
widget.onScaleStart!.call(d);
|
||||
return;
|
||||
}
|
||||
if (d.pointerCount == 2 && widget.enableCamera) {
|
||||
_scaling = true;
|
||||
await widget.controller.zoomBegin();
|
||||
} else if (!_scaling && widget.enableCamera) {
|
||||
if (_rotateOnPointerMove) {
|
||||
widget.controller.rotateStart(
|
||||
d.localFocalPoint.dx, d.localFocalPoint.dy);
|
||||
} else {
|
||||
widget.controller
|
||||
.panStart(d.localFocalPoint.dx, d.localFocalPoint.dy);
|
||||
}
|
||||
}
|
||||
},
|
||||
onScaleUpdate: (ScaleUpdateDetails d) async {
|
||||
if (widget.onScaleUpdate != null) {
|
||||
widget.onScaleUpdate!.call(d);
|
||||
return;
|
||||
}
|
||||
if (d.pointerCount == 2 && widget.enableCamera) {
|
||||
if (d.horizontalScale != _lastScale) {
|
||||
widget.controller.zoomUpdate(
|
||||
d.localFocalPoint.dx,
|
||||
d.localFocalPoint.dy,
|
||||
d.horizontalScale > _lastScale ? 0.1 : -0.1);
|
||||
_lastScale = d.horizontalScale;
|
||||
}
|
||||
} else if (!_scaling && widget.enableCamera) {
|
||||
if (_rotateOnPointerMove) {
|
||||
widget.controller
|
||||
.rotateUpdate(d.focalPoint.dx, d.focalPoint.dy);
|
||||
} else {
|
||||
widget.controller
|
||||
.panUpdate(d.focalPoint.dx, d.focalPoint.dy);
|
||||
}
|
||||
}
|
||||
},
|
||||
onScaleEnd: (d) async {
|
||||
if (widget.onScaleEnd != null) {
|
||||
widget.onScaleEnd!.call(d);
|
||||
return;
|
||||
}
|
||||
|
||||
if (d.pointerCount == 2 && widget.enableCamera) {
|
||||
widget.controller.zoomEnd();
|
||||
} else if (!_scaling && widget.enableCamera) {
|
||||
if (_rotateOnPointerMove) {
|
||||
widget.controller.rotateEnd();
|
||||
} else {
|
||||
widget.controller.panEnd();
|
||||
}
|
||||
}
|
||||
_scaling = false;
|
||||
},
|
||||
child: widget.child)),
|
||||
widget.showControlOverlay
|
||||
? Align(
|
||||
alignment: Alignment.bottomRight,
|
||||
child: GestureDetector(
|
||||
onTap: () {
|
||||
setState(() {
|
||||
var curIdx = GestureType.values.indexOf(gestureType);
|
||||
var nextIdx = curIdx == GestureType.values.length - 1
|
||||
? 0
|
||||
: curIdx + 1;
|
||||
gestureType = GestureType.values[nextIdx];
|
||||
_setFunction();
|
||||
});
|
||||
},
|
||||
child: Container(
|
||||
padding: const EdgeInsets.all(50),
|
||||
child: Icon(_icons[gestureType], color: Colors.green)),
|
||||
))
|
||||
: Container()
|
||||
]);
|
||||
}
|
||||
}
|
||||
309
lib/filament/widgets/filament_widget.dart
Normal file
309
lib/filament/widgets/filament_widget.dart
Normal file
@@ -0,0 +1,309 @@
|
||||
import 'dart:io';
|
||||
import 'dart:math';
|
||||
import 'dart:developer' as dev;
|
||||
|
||||
import 'package:flutter/foundation.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/rendering.dart';
|
||||
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
|
||||
import 'dart:async';
|
||||
|
||||
typedef ResizeCallback = void Function(Size newSize);
|
||||
|
||||
class ResizeObserver extends SingleChildRenderObjectWidget {
|
||||
final ResizeCallback onResized;
|
||||
|
||||
const ResizeObserver({
|
||||
Key? key,
|
||||
required this.onResized,
|
||||
Widget? child,
|
||||
}) : super(
|
||||
key: key,
|
||||
child: child,
|
||||
);
|
||||
|
||||
@override
|
||||
RenderObject createRenderObject(BuildContext context) =>
|
||||
_RenderResizeObserver(onLayoutChangedCallback: onResized);
|
||||
}
|
||||
|
||||
class _RenderResizeObserver extends RenderProxyBox {
|
||||
final ResizeCallback onLayoutChangedCallback;
|
||||
|
||||
_RenderResizeObserver({
|
||||
RenderBox? child,
|
||||
required this.onLayoutChangedCallback,
|
||||
}) : super(child);
|
||||
|
||||
Size _oldSize = Size.zero;
|
||||
|
||||
@override
|
||||
void performLayout() async {
|
||||
super.performLayout();
|
||||
if (size.width != _oldSize.width || size.height != _oldSize.height) {
|
||||
onLayoutChangedCallback(size);
|
||||
_oldSize = Size(size.width, size.height);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
class FilamentWidget extends StatefulWidget {
|
||||
final FilamentController controller;
|
||||
|
||||
///
|
||||
/// The content to render before the texture widget is available.
|
||||
/// The default is a solid red Container, intentionally chosen to make it clear that there will be at least one frame where the Texture widget is not being rendered.
|
||||
///
|
||||
final Widget? initial;
|
||||
|
||||
const FilamentWidget({Key? key, required this.controller, this.initial})
|
||||
: super(key: key);
|
||||
|
||||
@override
|
||||
_FilamentWidgetState createState() => _FilamentWidgetState();
|
||||
}
|
||||
|
||||
class _FilamentWidgetState extends State<FilamentWidget> {
|
||||
int? _width;
|
||||
int? _height;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
|
||||
var size = ((context.findRenderObject()) as RenderBox).size;
|
||||
_width = size.width.ceil();
|
||||
_height = size.height.ceil();
|
||||
setState(() {});
|
||||
});
|
||||
super.initState();
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
if (_width == null || _height == null) {
|
||||
return widget.initial ?? Container(color: Colors.red);
|
||||
}
|
||||
|
||||
return ResizeObserver(
|
||||
onResized: (newSize) {
|
||||
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
|
||||
setState(() {
|
||||
_width = newSize.width.ceil();
|
||||
_height = newSize.height.ceil();
|
||||
});
|
||||
});
|
||||
},
|
||||
child: _SizedFilamentWidget(
|
||||
initial: widget.initial,
|
||||
width: _width!,
|
||||
height: _height!,
|
||||
controller: widget.controller,
|
||||
));
|
||||
}
|
||||
}
|
||||
|
||||
class _SizedFilamentWidget extends StatefulWidget {
|
||||
final int width;
|
||||
final int height;
|
||||
final Widget? initial;
|
||||
final FilamentController controller;
|
||||
|
||||
const _SizedFilamentWidget(
|
||||
{required this.width,
|
||||
required this.height,
|
||||
this.initial,
|
||||
required this.controller});
|
||||
|
||||
@override
|
||||
State<StatefulWidget> createState() => _SizedFilamentWidgetState();
|
||||
}
|
||||
|
||||
class _SizedFilamentWidgetState extends State<_SizedFilamentWidget> {
|
||||
String? _error;
|
||||
|
||||
late final AppLifecycleListener _appLifecycleListener;
|
||||
|
||||
Rect get _rect {
|
||||
final renderBox = (context.findRenderObject()) as RenderBox;
|
||||
final size = renderBox.size;
|
||||
final translation = renderBox.getTransformTo(null).getTranslation();
|
||||
return Rect.fromLTWH(translation.x, translation.y, size.width, size.height);
|
||||
}
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_appLifecycleListener = AppLifecycleListener(
|
||||
onStateChange: _handleStateChange,
|
||||
);
|
||||
|
||||
WidgetsBinding.instance.addPostFrameCallback((timeStamp) async {
|
||||
try {
|
||||
widget.controller
|
||||
.setDimensions(_rect, MediaQuery.of(context).devicePixelRatio);
|
||||
} catch (err) {
|
||||
dev.log("Fatal error : $err");
|
||||
_error = err.toString();
|
||||
}
|
||||
});
|
||||
|
||||
super.initState();
|
||||
}
|
||||
|
||||
Timer? _resizeTimer;
|
||||
bool _resizing = false;
|
||||
|
||||
Future _resize() async {
|
||||
final completer = Completer();
|
||||
// resizing the window can be sluggish (particular in debug mode), exacerbated when simultaneously recreating the swapchain and resize the window.
|
||||
// to address this, whenever the widget is resized, we set a timer for Xms in the future.
|
||||
// this timer will call [resize] with the widget size at that point in time.
|
||||
// any subsequent widget resizes will cancel the timer and replace with a new one.
|
||||
// debug mode does need a longer timeout.
|
||||
_resizeTimer?.cancel();
|
||||
await widget.controller
|
||||
.setDimensions(_rect, MediaQuery.of(context).devicePixelRatio);
|
||||
_resizeTimer = Timer(
|
||||
Duration(milliseconds: (kReleaseMode || Platform.isWindows) ? 10 : 100),
|
||||
() async {
|
||||
try {
|
||||
while (_resizing) {
|
||||
await Future.delayed(const Duration(milliseconds: 20));
|
||||
}
|
||||
_resizing = true;
|
||||
await widget.controller
|
||||
.setDimensions(_rect, MediaQuery.of(context).devicePixelRatio);
|
||||
await widget.controller.resize();
|
||||
_resizeTimer = null;
|
||||
setState(() {});
|
||||
} catch (err) {
|
||||
dev.log("Error resizing FilamentWidget: $err");
|
||||
} finally {
|
||||
_resizing = false;
|
||||
completer.complete();
|
||||
_resizeTimer?.cancel();
|
||||
}
|
||||
});
|
||||
return completer.future;
|
||||
}
|
||||
|
||||
@override
|
||||
void didUpdateWidget(_SizedFilamentWidget oldWidget) {
|
||||
super.didUpdateWidget(oldWidget);
|
||||
if (widget.height != oldWidget.height || widget.width != oldWidget.width) {
|
||||
_resize();
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
_appLifecycleListener.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
bool _wasRenderingOnInactive = true;
|
||||
|
||||
void _handleStateChange(AppLifecycleState state) async {
|
||||
switch (state) {
|
||||
case AppLifecycleState.detached:
|
||||
dev.log("Detached");
|
||||
if (!_wasRenderingOnInactive) {
|
||||
_wasRenderingOnInactive = widget.controller.rendering;
|
||||
}
|
||||
await widget.controller.setRendering(false);
|
||||
break;
|
||||
case AppLifecycleState.hidden:
|
||||
dev.log("Hidden");
|
||||
if (!_wasRenderingOnInactive) {
|
||||
_wasRenderingOnInactive = widget.controller.rendering;
|
||||
}
|
||||
await widget.controller.setRendering(false);
|
||||
break;
|
||||
case AppLifecycleState.inactive:
|
||||
dev.log("Inactive");
|
||||
if (!_wasRenderingOnInactive) {
|
||||
_wasRenderingOnInactive = widget.controller.rendering;
|
||||
}
|
||||
// on Windows in particular, restoring a window after minimizing stalls the renderer (and the whole application) for a considerable length of time.
|
||||
// disabling rendering on minimize seems to fix the issue (so I wonder if there's some kind of command buffer that's filling up while the window is minimized).
|
||||
await widget.controller.setRendering(false);
|
||||
break;
|
||||
case AppLifecycleState.paused:
|
||||
dev.log("Paused");
|
||||
if (!_wasRenderingOnInactive) {
|
||||
_wasRenderingOnInactive = widget.controller.rendering;
|
||||
}
|
||||
await widget.controller.setRendering(false);
|
||||
break;
|
||||
case AppLifecycleState.resumed:
|
||||
dev.log("Resumed");
|
||||
await widget.controller.setRendering(_wasRenderingOnInactive);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
// if an error was encountered in creating a viewer, display the error message and don't even try to display a Texture widget.
|
||||
if (_error != null) {
|
||||
return Container(
|
||||
color: Colors.white,
|
||||
child: Column(children: [
|
||||
const Text("A fatal error was encountered"),
|
||||
Text(_error!)
|
||||
]));
|
||||
}
|
||||
|
||||
if (!widget.controller.requiresTextureWidget) {
|
||||
return Stack(children: [
|
||||
Positioned.fill(child: CustomPaint(painter: TransparencyPainter()))
|
||||
]);
|
||||
}
|
||||
|
||||
return ListenableBuilder(
|
||||
listenable: widget.controller.textureDetails,
|
||||
builder: (BuildContext ctx, Widget? wdgt) {
|
||||
if (widget.controller.textureDetails.value == null) {
|
||||
return Stack(children: [
|
||||
Positioned.fill(
|
||||
child: widget.initial ?? Container(color: Colors.red))
|
||||
]);
|
||||
}
|
||||
// see [FilamentControllerFFI.resize] for an explanation of how we deal with resizing
|
||||
var texture = Texture(
|
||||
key: ObjectKey(
|
||||
"texture_${widget.controller.textureDetails.value!.textureId}"),
|
||||
textureId: widget.controller.textureDetails.value!.textureId,
|
||||
filterQuality: FilterQuality.none,
|
||||
freeze: false,
|
||||
);
|
||||
|
||||
return Stack(children: [
|
||||
Positioned.fill(
|
||||
child: Platform.isLinux || Platform.isWindows
|
||||
? Transform(
|
||||
alignment: Alignment.center,
|
||||
transform: Matrix4.rotationX(
|
||||
pi), // TODO - this rotation is due to OpenGL texture coordinate working in a different space from Flutter, can we move this to the C++ side somewhere?
|
||||
child: texture)
|
||||
: texture)
|
||||
]);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
class TransparencyPainter extends CustomPainter {
|
||||
@override
|
||||
void paint(Canvas canvas, Size size) {
|
||||
canvas.drawRect(
|
||||
Rect.fromLTWH(0, 0, size.width, size.height),
|
||||
Paint()
|
||||
..blendMode = BlendMode.clear
|
||||
..color = const Color(0x00000000),
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
|
||||
}
|
||||
31
lib/filament/widgets/ibl_rotation_slider.dart
Normal file
31
lib/filament/widgets/ibl_rotation_slider.dart
Normal file
@@ -0,0 +1,31 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/widgets.dart';
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
import 'package:vector_math/vector_math_64.dart' as v;
|
||||
|
||||
class IblRotationSliderWidget extends StatefulWidget {
|
||||
final FilamentController controller;
|
||||
|
||||
const IblRotationSliderWidget({super.key, required this.controller});
|
||||
@override
|
||||
State<StatefulWidget> createState() => _IblRotationSliderWidgetState();
|
||||
}
|
||||
|
||||
class _IblRotationSliderWidgetState extends State<IblRotationSliderWidget> {
|
||||
double _iblRotation = 0;
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Slider(
|
||||
value: _iblRotation,
|
||||
onChanged: (value) {
|
||||
_iblRotation = value;
|
||||
setState(() {});
|
||||
print(value);
|
||||
var rotation = v.Matrix3.identity();
|
||||
Matrix4.rotationY(value * 2 * pi).copyRotation(rotation);
|
||||
widget.controller.rotateIbl(rotation);
|
||||
});
|
||||
}
|
||||
}
|
||||
193
lib/filament/widgets/light_slider.dart
Normal file
193
lib/filament/widgets/light_slider.dart
Normal file
@@ -0,0 +1,193 @@
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/widgets.dart';
|
||||
import 'package:flutter_filament/filament/filament_controller.dart';
|
||||
import 'package:flutter_filament/filament/utils/light_options.dart';
|
||||
import 'package:vector_math/vector_math_64.dart' as v;
|
||||
|
||||
class LightSliderWidget extends StatefulWidget {
|
||||
final FilamentController controller;
|
||||
|
||||
final LightOptions options;
|
||||
final bool showControls;
|
||||
|
||||
LightSliderWidget(
|
||||
{super.key,
|
||||
required this.controller,
|
||||
this.showControls = false,
|
||||
required this.options});
|
||||
@override
|
||||
State<StatefulWidget> createState() => _LightSliderWidgetState();
|
||||
}
|
||||
|
||||
class _LightSliderWidgetState extends State<LightSliderWidget> {
|
||||
FilamentEntity? _light;
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
_set();
|
||||
super.initState();
|
||||
}
|
||||
|
||||
Future _set() async {
|
||||
await widget.controller.clearLights();
|
||||
|
||||
if (widget.options.iblPath != null) {
|
||||
_light = await widget.controller.loadIbl(widget.options.iblPath!,
|
||||
intensity: widget.options.iblIntensity);
|
||||
}
|
||||
|
||||
_light = await widget.controller.addLight(
|
||||
widget.options.directionalType,
|
||||
widget.options.directionalColor,
|
||||
widget.options.directionalIntensity,
|
||||
widget.options.directionalPosition.x,
|
||||
widget.options.directionalPosition.y,
|
||||
widget.options.directionalPosition.z,
|
||||
widget.options.directionalDirection.x,
|
||||
widget.options.directionalDirection.y,
|
||||
widget.options.directionalDirection.z,
|
||||
widget.options.directionalCastShadows);
|
||||
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
if (_light == null || !widget.showControls) {
|
||||
return Container();
|
||||
}
|
||||
return Theme(
|
||||
data: ThemeData(platform: TargetPlatform.android),
|
||||
child: Container(
|
||||
decoration: BoxDecoration(color: Colors.white.withOpacity(0.5)),
|
||||
child: SliderTheme(
|
||||
data: SliderThemeData(
|
||||
showValueIndicator: ShowValueIndicator.always,
|
||||
valueIndicatorTextStyle: TextStyle(color: Colors.black)),
|
||||
child: Column(mainAxisSize: MainAxisSize.min, children: [
|
||||
Text("Directional"),
|
||||
Row(children: [
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label:
|
||||
"POSX ${widget.options.directionalPosition.x}",
|
||||
value: widget.options.directionalPosition.x,
|
||||
min: -10.0,
|
||||
max: 10.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalPosition.x = value;
|
||||
_set();
|
||||
})),
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label:
|
||||
"POSY ${widget.options.directionalPosition.y}",
|
||||
value: widget.options.directionalPosition.y,
|
||||
min: -100.0,
|
||||
max: 100.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalPosition.y = value;
|
||||
_set();
|
||||
})),
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label:
|
||||
"POSZ ${widget.options.directionalPosition.z}",
|
||||
value: widget.options.directionalPosition.z,
|
||||
min: -100.0,
|
||||
max: 100.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalPosition.z = value;
|
||||
_set();
|
||||
}))
|
||||
]),
|
||||
Row(children: [
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label: "DIRX",
|
||||
value: widget.options.directionalDirection.x,
|
||||
min: -1.0,
|
||||
max: 1.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalDirection.x = value;
|
||||
_set();
|
||||
})),
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label: "DIRY",
|
||||
value: widget.options.directionalDirection.y,
|
||||
min: -1.0,
|
||||
max: 1.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalDirection.y = value;
|
||||
_set();
|
||||
})),
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label: "DIRZ",
|
||||
value: widget.options.directionalDirection.z,
|
||||
min: -1.0,
|
||||
max: 1.0,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalDirection.z = value;
|
||||
_set();
|
||||
}))
|
||||
]),
|
||||
Slider(
|
||||
label: "Color",
|
||||
value: widget.options.directionalColor,
|
||||
min: 0,
|
||||
max: 16000,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalColor = value;
|
||||
_set();
|
||||
}),
|
||||
Slider(
|
||||
label: "Intensity ${widget.options.directionalIntensity}",
|
||||
value: widget.options.directionalIntensity,
|
||||
min: 0,
|
||||
max: 1000000,
|
||||
onChanged: (value) {
|
||||
widget.options.directionalIntensity = value;
|
||||
_set();
|
||||
}),
|
||||
DropdownButton(
|
||||
onChanged: (v) {
|
||||
this.widget.options.directionalType = v;
|
||||
_set();
|
||||
},
|
||||
value: this.widget.options.directionalType,
|
||||
items: List<DropdownMenuItem>.generate(
|
||||
5,
|
||||
(idx) => DropdownMenuItem(
|
||||
value: idx,
|
||||
child: Text("$idx"),
|
||||
))),
|
||||
Row(children: [
|
||||
Text(
|
||||
"Shadows: ${this.widget.options.directionalCastShadows}"),
|
||||
Checkbox(
|
||||
value: widget.options.directionalCastShadows,
|
||||
onChanged: (v) {
|
||||
this.widget.options.directionalCastShadows = v!;
|
||||
_set();
|
||||
})
|
||||
]),
|
||||
Text("Indirect"),
|
||||
Row(children: [
|
||||
Expanded(
|
||||
child: Slider(
|
||||
label: "Intensity ${widget.options.iblIntensity}",
|
||||
value: widget.options.iblIntensity,
|
||||
min: 0.0,
|
||||
max: 200000,
|
||||
onChanged: (value) {
|
||||
widget.options.iblIntensity = value;
|
||||
_set();
|
||||
})),
|
||||
])
|
||||
]))));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user