ed444b0615
This is a breaking change needed to fully implement instancing and stencil highlighting.
Previously, users would work directly with entities (on the Dart side, ThermionEntity), e.g.
final entity = await viewer.loadGlb("some.glb");
However, Filament "entities" are a lower-level abstraction.
Loading a glTF file, for example, inserts multiple entities into the scene.
For example, each mesh, light, and camera within a glTF asset will be assigned an entity. A top-level (non-renderable) entity will also be created for the glTF asset, which can be used to transform the entire hierarchy.
"Asset" is a better representation for loading/inserting objects into the scene; think of this as a bundle of entities.
Unless you need to work directly with transforms, instancing, materials and renderables, you can work directly with ThermionAsset.
227 lines
9.5 KiB
Dart
227 lines
9.5 KiB
Dart
// ignore_for_file: unused_local_variable
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import 'dart:io';
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import 'dart:math';
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import 'package:thermion_dart/src/viewer/src/ffi/src/thermion_viewer_ffi.dart';
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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: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 testHelper = TestHelper("geometry");
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group("custom geometry", () {
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test('create cube', () async {
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await testHelper.withViewer((viewer) async {
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final cube = await viewer
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.createGeometry(GeometryHelper.cube(normals: false, uvs: false));
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await testHelper.capture(viewer, "geometry_add_cube");
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await viewer.removeEntity(cube);
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await testHelper.capture(viewer, "geometry_remove_cube");
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});
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});
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test('create cube (with normals)', () async {
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var viewer = await testHelper.createViewer();
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await viewer
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.createGeometry(GeometryHelper.cube(normals: true, uvs: false));
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await testHelper.capture(viewer, "geometry_cube_with_normals");
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});
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test('create instance', () async {
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await testHelper.withViewer((viewer) async {
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final cube = await viewer
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.createGeometry(GeometryHelper.cube(normals: false, uvs: false));
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await viewer.setTransform(
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cube.entity, Matrix4.translation(Vector3.all(-1)));
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final instance = await cube.createInstance();
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await instance.addToScene();
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await viewer.setTransform(
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instance.entity, Matrix4.translation(Vector3.all(1)));
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await testHelper.capture(viewer, "geometry_instanced");
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});
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});
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// test('create instance (shared material)', () async {
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// await testHelper.withViewer((viewer) async {
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// final materialInstance = await viewer.createUnlitMaterialInstance();
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// await materialInstance.setParameterFloat4(
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// "baseColorFactor", 1.0, 0.0, 0.0, 1.0);
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// final cube = await viewer.createGeometry(
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// GeometryHelper.cube(normals: true, uvs: false),
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// materialInstances: [materialInstance]);
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// final instance = await viewer
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// .createInstance(cube, materialInstances: [materialInstance]);
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// await viewer.setTransform(
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// instance.entity, Matrix4.translation(Vector3.all(1)));
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// await testHelper.capture(
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// viewer, "geometry_instanced_with_shared_material_instance");
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// });
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// });
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// test('create instance (no material on second instance)', () async {
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// await testHelper.withViewer((viewer) async {
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// final materialInstance = await viewer.createUnlitMaterialInstance();
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// await materialInstance.setParameterFloat4(
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// "baseColorFactor", 1.0, 0.0, 0.0, 1.0);
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// final cube = await viewer.createGeometry(
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// GeometryHelper.cube(normals: true, uvs: false),
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// materialInstances: [materialInstance]);
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// final instance = await viewer
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// .createInstance(cube);
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// await viewer.setTransform(
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// instance.entity, Matrix4.translation(Vector3.all(1)));
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// await testHelper.capture(
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// viewer, "geometry_instanced_with_no_material_instance");
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// });
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// });
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// test('create instance (separate materials)', () async {
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// await testHelper.withViewer((viewer) async {
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// final materialInstance = await viewer.createUnlitMaterialInstance();
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// await materialInstance.setParameterFloat4(
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// "baseColorFactor", 1.0, 0.0, 0.0, 1.0);
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// final cube = await viewer.createGeometry(
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// GeometryHelper.cube(normals: true, uvs: false),
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// materialInstances: [materialInstance]);
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// final materialInstance2 = await viewer.createUnlitMaterialInstance();
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// await materialInstance2.setParameterFloat4(
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// "baseColorFactor", 0.0, 1.0, 0.0, 1.0);
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// final instance = await viewer
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// .createInstance(cube, materialInstances: [materialInstance2]);
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// await viewer.setTransform(
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// instance.entity, Matrix4.translation(Vector3.all(1)));
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// await testHelper.capture(
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// viewer, "geometry_instanced_with_separate_material_instances");
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// });
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// });
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test('create cube with custom ubershader material instance (color)',
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() async {
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await testHelper.withViewer((viewer) async {
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await viewer.addLight(LightType.SUN, 6500, 1000000, 0, 0, 0, 0, 0, -1);
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await viewer.setCameraPosition(0, 2, 6);
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await viewer
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.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 8));
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await viewer.setBackgroundColor(1.0, 0.0, 1.0, 1.0);
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var materialInstance =
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await viewer.createUbershaderMaterialInstance(unlit: true);
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final cube = await viewer.createGeometry(
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GeometryHelper.cube(uvs: false, normals: true),
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materialInstances: [materialInstance]);
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await materialInstance.setParameterFloat4(
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"baseColorFactor", 0.0, 1.0, 0.0, 0.0);
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await testHelper.capture(
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viewer, "geometry_cube_with_custom_material_ubershader");
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await viewer.removeEntity(cube);
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});
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});
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test('create cube with custom ubershader material instance (texture)',
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() async {
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var viewer = await testHelper.createViewer();
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await viewer.addLight(LightType.SUN, 6500, 1000000, 0, 0, 0, 0, 0, -1);
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await viewer.setCameraPosition(0, 2, 6);
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await viewer
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.setCameraRotation(Quaternion.axisAngle(Vector3(1, 0, 0), -pi / 8));
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await viewer.setBackgroundColor(1.0, 0.0, 0.0, 1.0);
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var materialInstance = await viewer.createUbershaderMaterialInstance();
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final cube = await viewer.createGeometry(
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GeometryHelper.cube(uvs: true, normals: true),
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materialInstances: [materialInstance]);
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var textureData =
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File("${testHelper.testDir}/assets/cube_texture_512x512.png")
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.readAsBytesSync();
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var texture = await viewer.createTexture(textureData);
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await viewer.applyTexture(texture as ThermionFFITexture, cube.entity);
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await testHelper.capture(
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viewer, "geometry_cube_with_custom_material_ubershader_texture");
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await viewer.removeEntity(cube);
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await viewer.destroyTexture(texture);
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});
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test('unlit material with color only', () async {
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await testHelper.withViewer((viewer) async {
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var materialInstance = await viewer.createUnlitMaterialInstance();
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var cube = await viewer.createGeometry(GeometryHelper.cube(),
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materialInstances: [materialInstance]);
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await materialInstance.setParameterFloat4(
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"baseColorFactor", 0.0, 1.0, 0.0, 1.0);
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await testHelper.capture(viewer, "unlit_material_base_color");
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});
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});
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test('unlit material with texture', () async {
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await testHelper.withViewer((viewer) async {
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var materialInstance = await viewer.createUnlitMaterialInstance();
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var cube = await viewer.createGeometry(GeometryHelper.cube(),
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materialInstances: [materialInstance]);
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await materialInstance.setParameterInt("baseColorIndex", 0);
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var textureData =
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File("${testHelper.testDir}/assets/cube_texture_512x512.png")
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.readAsBytesSync();
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var texture = await viewer.createTexture(textureData);
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await viewer.applyTexture(texture, cube.entity);
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await testHelper.capture(viewer, "unlit_material_texture_only");
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await viewer.removeEntity(cube);
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});
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});
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test('shared material instance with texture and base color', () async {
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await testHelper.withViewer((viewer) async {
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var materialInstance = await viewer.createUnlitMaterialInstance();
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var cube1 = await viewer.createGeometry(GeometryHelper.cube(),
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materialInstances: [materialInstance]);
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var cube2 = await viewer.createGeometry(GeometryHelper.cube(),
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materialInstances: [materialInstance]);
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await viewer.setTransform(
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cube2.entity, Matrix4.translation(Vector3(1, 1, 1)));
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await materialInstance.setParameterInt("baseColorIndex", 0);
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var textureData =
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File("${testHelper.testDir}/assets/cube_texture_512x512.png")
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.readAsBytesSync();
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var texture = await viewer.createTexture(textureData);
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await viewer.applyTexture(texture, cube1.entity);
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await viewer.applyTexture(texture, cube2.entity);
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await testHelper.capture(viewer, "unlit_material_shared");
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await viewer.destroyTexture(texture);
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});
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});
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test('create sphere (no normals)', () async {
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var viewer = await testHelper.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 testHelper.capture(viewer, "geometry_sphere_no_normals");
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});
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// test('create geometry instance', () async {
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// var viewer = await testHelper.createViewer(
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// cameraPosition: Vector3(0, 0, 6), bg: kRed);
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// final cube = await viewer
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// .createGeometry(GeometryHelper.sphere(normals: false, uvs: false));
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// await viewer.setTransform(cube.entity, Matrix4.translation(Vector3(2, 1, 1)));
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// final cube2 = await viewer.createInstance(cube);
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// await viewer.setTransform(cube2.entity, Matrix4.translation(Vector3(-2, 1, 1)));
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// await testHelper.capture(viewer, "geometry_instance");
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// });
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});
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}
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