@google/model-viewer
Version:
Easily display interactive 3D models on the web and in AR!
54 lines • 2.18 kB
JavaScript
/* @license
* Copyright 2020 Google LLC. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { GLTFTreeVisitor } from '../../../three-components/gltf-instance/utilities.js';
import { assetPath, loadThreeGLTF } from '../../helpers.js';
const expect = chai.expect;
const ORDER_TEST_GLB_PATH = assetPath('models/order-test/order-test.glb');
suite('utilities', () => {
suite('GLTFTreeVisitor', () => {
let gltf;
setup(async () => {
const threeGLTF = await loadThreeGLTF(ORDER_TEST_GLB_PATH);
gltf = threeGLTF.parser.json;
});
test('visits materials in tree order', () => {
const materials = [];
const visitor = new GLTFTreeVisitor({ material: (material) => materials.push(material.name) });
visitor.visit(gltf);
expect(materials).to.be.deep.equal([
'Material0',
'Material1',
'Material2',
'Material2',
'Material1',
'Material0',
'Material2',
]);
});
suite('sparse traversal', () => {
test('visits materials in tree order', () => {
const materials = [];
const visitor = new GLTFTreeVisitor({ material: (material) => materials.push(material.name) });
visitor.visit(gltf, { sparse: true });
expect(materials).to.be.deep.equal([
'Material0',
'Material1',
'Material2',
]);
});
});
});
});
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