622 lines
23 KiB
Dart
622 lines
23 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'dart:math';
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import 'package:thermion_dart/thermion_dart.dart';
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import 'package:test/test.dart';
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import 'package:animation_tools_dart/animation_tools_dart.dart';
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import 'package:path/path.dart' as p;
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import 'package:thermion_dart/thermion_dart/utils/geometry.dart';
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import 'package:thermion_dart/thermion_dart/viewer/events.dart';
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import 'package:vector_math/vector_math_64.dart';
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import 'helpers.dart';
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void main() async {
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final packageUri = findPackageRoot('thermion_dart');
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testDir = Directory("${packageUri.toFilePath()}/test").path;
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var outDir = Directory("$testDir/output");
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// outDir.deleteSync(recursive: true);
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outDir.createSync();
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Future _capture(ThermionViewer viewer, String outputFilename) async {
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var outPath = p.join(outDir.path, "$outputFilename.bmp");
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var pixelBuffer = await viewer.capture();
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await pixelBufferToBmp(pixelBuffer, viewportDimensions.width,
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viewportDimensions.height, outPath);
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}
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group('camera', () {
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test('getCameraModelMatrix, getCameraPosition, rotation', () async {
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var viewer = await createViewer();
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var matrix = await viewer.getCameraModelMatrix();
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expect(matrix.trace(), 4);
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await viewer.setCameraPosition(2.0, 2.0, 2.0);
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matrix = await viewer.getCameraModelMatrix();
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var position = matrix.getColumn(3).xyz;
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expect(position.x, 2.0);
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expect(position.y, 2.0);
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expect(position.z, 2.0);
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position = await viewer.getCameraPosition();
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expect(position.x, 2.0);
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expect(position.y, 2.0);
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expect(position.z, 2.0);
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});
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test('getCameraViewMatrix', () async {
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var viewer = await createViewer();
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var modelMatrix = await viewer.getCameraModelMatrix();
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var viewMatrix = await viewer.getCameraViewMatrix();
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// The view matrix should be the inverse of the model matrix
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var identity = modelMatrix * viewMatrix;
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expect(identity.isIdentity(), isTrue);
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// Check that moving the camera affects the view matrix
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await viewer.setCameraPosition(3.0, 4.0, 5.0);
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viewMatrix = await viewer.getCameraViewMatrix();
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var invertedView = viewMatrix.clone()..invert();
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var position = invertedView.getColumn(3).xyz;
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expect(position.x, closeTo(3.0, 1e-6));
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expect(position.y, closeTo(4.0, 1e-6));
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expect(position.z, closeTo(5.0, 1e-6));
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});
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test('getCameraProjectionMatrix', () async {
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var viewer = await createViewer();
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var projectionMatrix = await viewer.getCameraProjectionMatrix();
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print(projectionMatrix);
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});
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test('getCameraCullingProjectionMatrix', () async {
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var viewer = await createViewer();
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var matrix = await viewer.getCameraCullingProjectionMatrix();
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print(matrix);
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throw Exception("TODO");
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});
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test('getCameraFrustum', () async {
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var viewer = await createViewer();
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var frustum = await viewer.getCameraFrustum();
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print(frustum.plane5.normal);
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print(frustum.plane5.constant);
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await viewer.setCameraLensProjection(10.0, 1000.0, 1.0, 28.0);
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frustum = await viewer.getCameraFrustum();
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print(frustum.plane5.normal);
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print(frustum.plane5.constant);
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});
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});
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group('background', () {
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test('set background color to solid green', () async {
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var viewer = await createViewer();
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await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
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await _capture(viewer, "bgcolor");
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await viewer.dispose();
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});
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test('load skybox', () async {
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var viewer = await createViewer();
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await viewer.loadSkybox(
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"file:///$testDir/../../examples/assets/default_env/default_env_skybox.ktx");
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await Future.delayed(Duration(seconds: 1));
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await _capture(viewer, "skybox");
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});
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});
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group("gltf", () {
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test('load glb', () async {
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var viewer = await createViewer();
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var model = await viewer.loadGlb("$testDir/cube.glb");
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await viewer.transformToUnitCube(model);
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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await viewer.setCameraPosition(0, 1, 5);
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await viewer
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.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
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await _capture(viewer, "load_glb");
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});
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});
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group("scene update events", () {
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test('add light fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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final success = Completer<bool>();
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var light = DirectLight(
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type: LightType.POINT,
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color: 6500,
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intensity: 1000000,
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position: Vector3(0, 0.6, 0.6),
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direction: Vector3(0, 0, 0),
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falloffRadius: 2.0);
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late StreamSubscription listener;
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityAdded &&
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updateEvent.addedEntityType == EntityType.DirectLight &&
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updateEvent.getDirectLight() == light;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.addDirectLight(light);
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expect(await success.future, true);
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});
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test('remove light fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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final success = Completer<bool>();
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var light = await viewer.addDirectLight(DirectLight.point());
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late StreamSubscription listener;
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityRemoved &&
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updateEvent.entity == light;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.removeLight(light);
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expect(await success.future, true);
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});
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test('add geometry fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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final success = Completer<bool>();
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var geometry = GeometryHelper.cube();
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late StreamSubscription listener;
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityAdded &&
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updateEvent.addedEntityType == EntityType.Geometry &&
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updateEvent.getAsGeometry() == geometry;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.createGeometry(geometry);
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expect(await success.future, true);
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});
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test('remove geometry fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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var geometry = await viewer.createGeometry(GeometryHelper.cube());
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final success = Completer<bool>();
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late StreamSubscription listener;
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityRemoved &&
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updateEvent.entity == geometry;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.removeEntity(geometry);
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expect(await success.future, true);
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});
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test('loadGlb fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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final success = Completer<bool>();
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late StreamSubscription listener;
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final uri = "$testDir/cube.glb";
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityAdded &&
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updateEvent.addedEntityType == EntityType.Gltf &&
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updateEvent.getAsGLTF().uri == uri;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.loadGlb(uri, keepData: false);
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expect(await success.future, true);
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});
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test('remove glb fires SceneUpdateEvent', () async {
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var viewer = await createViewer();
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final uri = "$testDir/cube.glb";
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var entity = await viewer.loadGlb(uri, keepData: false);
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final success = Completer<bool>();
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late StreamSubscription listener;
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listener = viewer.sceneUpdated.listen((updateEvent) {
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var wasSuccess = updateEvent.eventType == EventType.EntityRemoved &&
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updateEvent.entity == entity;
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success.complete(wasSuccess);
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listener.cancel();
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});
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await viewer.removeEntity(entity);
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expect(await success.future, true);
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});
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});
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group("custom geometry", () {
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test('create cube (no normals)', () async {
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var viewer = await createViewer();
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var light = await viewer.addLight(
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LightType.POINT, 6500, 1000000, 0, 0.6, 0.6, 0, 0, 0,
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falloffRadius: 2.0);
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(1.0, 0.0, 1.0, 1.0);
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await viewer
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.createGeometry(GeometryHelper.cube(normals: false, uvs: false));
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await _capture(viewer, "geometry_cube_no_normals");
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});
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test('create cube (with normals)', () async {
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var viewer = await createViewer();
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var light = await viewer.addLight(
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LightType.POINT, 6500, 1000000, 0, 0.5, 1, 0, 0, 0,
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falloffRadius: 100.0);
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(1.0, 0.0, 1.0, 1.0);
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await viewer
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.createGeometry(GeometryHelper.cube(normals: true, uvs: false));
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await _capture(viewer, "geometry_cube_with_normals");
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});
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test('create sphere (no normals)', () async {
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var viewer = await createViewer();
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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await viewer.setCameraPosition(0, 0, 6);
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await viewer
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.createGeometry(GeometryHelper.sphere(normals: false, uvs: false));
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await _capture(viewer, "geometry_sphere_no_normals");
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});
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});
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// test('create instance from glb when keepData is true', () async {
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// var model = await viewer.loadGlb("$testDir/cube.glb", keepData: true);
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// await viewer.transformToUnitCube(model);
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// var instance = await viewer.createInstance(model);
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// await viewer.setPosition(instance, 0.5, 0.5, -0.5);
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// await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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// await viewer.setCameraPosition(0, 1, 5);
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// await viewer
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// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
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// await viewer.setRendering(true);
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// await _capture(viewer, "glb_create_instance");
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// await viewer.setRendering(false);
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// });
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// test('create instance from glb fails when keepData is false', () async {
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// var model = await viewer.loadGlb("$testDir/cube.glb", keepData: false);
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// bool thrown = false;
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// try {
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// await viewer.createInstance(model);
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// } catch (err) {
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// thrown = true;
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// }
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// expect(thrown, true);
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// });
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// });
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// group('Skinning & animations', () {
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// test('get bone names', () async {
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// var model = await viewer.loadGlb("$testDir/assets/shapes.glb");
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// var names = await viewer.getBoneNames(model);
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// expect(names.first, "Bone");
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// });
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// test('reset bones', () async {
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// var model = await viewer.loadGlb("$testDir/assets/shapes.glb");
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// await viewer.resetBones(model);
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// });
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// test('set from BVH', () async {
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// var model = await viewer.loadGlb("$testDir/assets/shapes.glb");
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// var animation = BVHParser.parse(
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// File("$testDir/assets/animation.bvh").readAsStringSync(),
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// boneRegex: RegExp(r"Bone$"));
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// await viewer.addBoneAnimation(model, animation);
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// });
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// test('fade in/out', () async {
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// var model = await viewer.loadGlb("$testDir/assets/shapes.glb");
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// var animation = BVHParser.parse(
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// File("$testDir/assets/animation.bvh").readAsStringSync(),
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// boneRegex: RegExp(r"Bone$"));
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// await viewer.addBoneAnimation(model, animation,
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// fadeInInSecs: 0.5, fadeOutInSecs: 0.5);
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// await Future.delayed(Duration(seconds: 1));
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// });
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group("materials", () {
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test('set float4 material property for custom geometry', () async {
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var viewer = await createViewer();
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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var light = await viewer.addLight(
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LightType.SUN, 6500, 1000000, 0, 0, 0, 0, 0, -1);
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final cube = await viewer.createGeometry(GeometryHelper.cube());
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await _capture(viewer, "set_material_float4_pre");
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await viewer.setMaterialPropertyFloat4(
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cube, "baseColorFactor", 0, 0.0, 1.0, 0.0, 1.0);
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await _capture(viewer, "set_material_float4_post");
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});
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test('set float material property for custom geometry', () async {
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var viewer = await createViewer();
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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var light = await viewer.addLight(
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LightType.SUN, 6500, 1000000, 0, 0, 0, 0, 0, -1);
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final cube = await viewer.createGeometry(GeometryHelper.cube());
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// this won't actually do anything because the default ubershader doesn't use specular/glossiness
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// but we can at least check that the call succeeds
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await _capture(viewer, "set_material_specular_pre");
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await viewer.setMaterialPropertyFloat(cube, "specularFactor", 0, 0.0);
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await _capture(viewer, "set_material_specular_post");
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});
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test('set float material property (roughness) for custom geometry',
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() async {
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var viewer = await createViewer();
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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var light = await viewer.addLight(
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LightType.SUN, 6500, 1000000, 0, 0, 0, 0, 0, -1);
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final cube = await viewer.createGeometry(GeometryHelper.cube());
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// this won't actually do anything because the default ubershader doesn't use specular/glossiness
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// but we can at least check that the call succeeds
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await _capture(viewer, "set_material_roughness_pre");
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await viewer.setMaterialPropertyFloat(cube, "metallicFactor", 0, 0.0);
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await viewer.setMaterialPropertyFloat(cube, "roughnessFactor", 0, 0.0);
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await _capture(viewer, "set_material_roughness_post");
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});
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});
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group("transforms & parenting", () {
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test('getParent and getAncestor both return null when entity has no parent',
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() async {
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var viewer = await createViewer();
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final cube = await viewer.createGeometry(GeometryHelper.cube());
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expect(await viewer.getParent(cube), isNull);
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expect(await viewer.getAncestor(cube), isNull);
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});
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test(
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'getParent returns the parent entity after one has been set via setParent',
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() async {
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var viewer = await createViewer();
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final cube1 = await viewer.createGeometry(GeometryHelper.cube());
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final cube2 = await viewer.createGeometry(GeometryHelper.cube());
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await viewer.setParent(cube1, cube2);
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final parent = await viewer.getParent(cube1);
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expect(parent, cube2);
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});
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test('getAncestor returns the ultimate parent entity', () async {
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var viewer = await createViewer();
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final grandparent = await viewer.createGeometry(GeometryHelper.cube());
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final parent = await viewer.createGeometry(GeometryHelper.cube());
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final child = await viewer.createGeometry(GeometryHelper.cube());
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await viewer.setParent(child, parent);
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await viewer.setParent(parent, grandparent);
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expect(await viewer.getAncestor(child), grandparent);
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});
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test('set position based on screenspace coord', () async {
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var viewer = await createViewer();
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print(await viewer.getCameraFov(true));
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await viewer.createIbl(1.0, 1.0, 1.0, 1000);
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await viewer.setCameraPosition(0, 0, 6);
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await viewer.setBackgroundColor(0.0, 0.0, 1.0, 1.0);
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// Create the cube geometry
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final cube = await viewer.createGeometry(GeometryHelper.cube());
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// await viewer.setPosition(cube, -0.05, 0.04, 5.9);
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// await viewer.setPosition(cube, -2.54, 2.54, 0);
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await viewer.queuePositionUpdateFromViewportCoords(cube, 0, 0);
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// we need an explicit render call here to process the transform queue
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await viewer.render();
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await _capture(viewer, "set_position_from_viewport_coords");
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});
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});
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// test('enable grid overlay', () async {
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// await viewer.setBackgroundColor(0, 0, 0, 1);
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// await viewer.setCameraPosition(0, 0.5, 0);
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// await viewer
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// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.1));
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// await viewer.setRendering(true);
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// await viewer.setLayerEnabled(2, true);
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// await _capture(viewer, "grid");
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// await viewer.setRendering(false);
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// });
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// test('point light', () async {
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// var model = await viewer.loadGlb("$testDir/cube.glb");
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// await viewer.transformToUnitCube(model);
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// var light = await viewer.addLight(
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// LightType.POINT, 6500, 1000000, 0, 2, 0, 0, -1, 0,
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// falloffRadius: 10.0);
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// await viewer.setBackgroundColor(0.0, 0.0, 0.0, 1.0);
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// await viewer.setCameraPosition(0, 1, 5);
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// await viewer
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// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
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// await viewer.setRendering(true);
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// await _capture(viewer, "point_light");
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// await viewer.setRendering(false);
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// });
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// test('set point light position', () async {
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// var model = await viewer.loadGlb("$testDir/cube.glb");
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// await viewer.transformToUnitCube(model);
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// var light = await viewer.addLight(
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// LightType.POINT, 6500, 1000000, 0, 2, 0, 0, -1, 0,
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// falloffRadius: 10.0);
|
|
// await viewer.setLightPosition(light, 0.5, 2, 0);
|
|
// await viewer.setBackgroundColor(0.0, 0.0, 0.0, 1.0);
|
|
// await viewer.setCameraPosition(0, 1, 5);
|
|
// await viewer
|
|
// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
// await viewer.setRendering(true);
|
|
// await _capture(viewer, "move_point_light");
|
|
// await viewer.setRendering(false);
|
|
// });
|
|
|
|
// test('directional light', () async {
|
|
// var model = await viewer.loadGlb("$testDir/cube.glb");
|
|
// await viewer.transformToUnitCube(model);
|
|
// var light = await viewer.addLight(
|
|
// LightType.SUN, 6500, 1000000, 0, 0, 0, 0, -1, 0);
|
|
// await viewer.setBackgroundColor(0.0, 0.0, 0.0, 1.0);
|
|
// await viewer.setCameraPosition(0, 1, 5);
|
|
// await viewer
|
|
// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
// await viewer.setRendering(true);
|
|
// await _capture(viewer, "directional_light");
|
|
// await viewer.setRendering(false);
|
|
// });
|
|
|
|
// test('set directional light direction', () async {
|
|
// var model = await viewer.loadGlb("$testDir/cube.glb");
|
|
// await viewer.transformToUnitCube(model);
|
|
// var light = await viewer.addLight(
|
|
// LightType.SUN, 6500, 1000000, 0, 0, 0, 0, -1, 0);
|
|
// await viewer.setLightDirection(light, Vector3(-1, -1, -1));
|
|
// await viewer.setBackgroundColor(0.0, 0.0, 0.0, 1.0);
|
|
// await viewer.setCameraPosition(0, 1, 5);
|
|
// await viewer
|
|
// .setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
// await viewer.setRendering(true);
|
|
// await _capture(viewer, "set_directional_light_direction");
|
|
// await viewer.setRendering(false);
|
|
// });
|
|
|
|
group("stencil", () {
|
|
test('set stencil highlight for glb', () async {
|
|
final viewer = await createViewer();
|
|
var model = await viewer.loadGlb("$testDir/cube.glb", keepData: true);
|
|
await viewer.setPostProcessing(true);
|
|
|
|
var light = await viewer.addLight(
|
|
LightType.SUN, 6500, 1000000, 0, 0, 0, 0, -1, 0);
|
|
await viewer.setLightDirection(light, Vector3(0, 1, -1));
|
|
|
|
await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
|
|
await viewer.setCameraPosition(0, -1, 5);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), pi / 8));
|
|
await viewer.setStencilHighlight(model);
|
|
await _capture(viewer, "stencil_highlight_glb");
|
|
});
|
|
|
|
test('set stencil highlight for geometry', () async {
|
|
var viewer = await createViewer();
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
|
|
await viewer.setCameraPosition(0, 2, 5);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
|
|
var cube = await viewer.createGeometry(GeometryHelper.cube());
|
|
await viewer.setStencilHighlight(cube);
|
|
|
|
await _capture(viewer, "stencil_highlight_geometry");
|
|
|
|
await viewer.removeStencilHighlight(cube);
|
|
|
|
await _capture(viewer, "stencil_highlight_geometry_remove");
|
|
});
|
|
|
|
test('set stencil highlight for gltf asset', () async {
|
|
var viewer = await createViewer();
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
|
|
await viewer.setCameraPosition(0, 1, 5);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
|
|
var cube1 = await viewer.loadGlb("$testDir/cube.glb", keepData: true);
|
|
await viewer.transformToUnitCube(cube1);
|
|
|
|
await viewer.setStencilHighlight(cube1);
|
|
|
|
await _capture(viewer, "stencil_highlight_gltf");
|
|
|
|
await viewer.removeStencilHighlight(cube1);
|
|
|
|
await _capture(viewer, "stencil_highlight_gltf_removed");
|
|
});
|
|
|
|
test('set stencil highlight for multiple geometry ', () async {
|
|
var viewer = await createViewer();
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
|
|
await viewer.setCameraPosition(0, 1, 5);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
|
|
var cube1 = await viewer.createGeometry(GeometryHelper.cube());
|
|
var cube2 = await viewer.createGeometry(GeometryHelper.cube());
|
|
await viewer.setPosition(cube2, 0.5, 0.5, 0);
|
|
await viewer.setStencilHighlight(cube1);
|
|
await viewer.setStencilHighlight(cube2, r: 0.0, g: 0.0, b: 1.0);
|
|
|
|
await _capture(viewer, "stencil_highlight_multiple_geometry");
|
|
|
|
await viewer.removeStencilHighlight(cube1);
|
|
await viewer.removeStencilHighlight(cube2);
|
|
|
|
await _capture(viewer, "stencil_highlight_multiple_geometry_removed");
|
|
});
|
|
|
|
test('set stencil highlight for multiple gltf assets ', () async {
|
|
var viewer = await createViewer();
|
|
await viewer.setPostProcessing(true);
|
|
await viewer.setBackgroundColor(0.0, 1.0, 0.0, 1.0);
|
|
await viewer.setCameraPosition(0, 1, 5);
|
|
await viewer
|
|
.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -0.5));
|
|
|
|
var cube1 = await viewer.loadGlb("$testDir/cube.glb", keepData: true);
|
|
await viewer.transformToUnitCube(cube1);
|
|
var cube2 = await viewer.loadGlb("$testDir/cube.glb", keepData: true);
|
|
await viewer.transformToUnitCube(cube2);
|
|
await viewer.setPosition(cube2, 0.5, 0.5, 0);
|
|
await viewer.setStencilHighlight(cube1);
|
|
await viewer.setStencilHighlight(cube2, r: 0.0, g: 0.0, b: 1.0);
|
|
|
|
await _capture(viewer, "stencil_highlight_multiple_geometry");
|
|
|
|
await viewer.removeStencilHighlight(cube1);
|
|
await viewer.removeStencilHighlight(cube2);
|
|
|
|
await _capture(viewer, "stencil_highlight_multiple_geometry_removed");
|
|
});
|
|
});
|
|
}
|