@google/model-viewer
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Easily display interactive 3D models on the web and in AR!
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JavaScript
/* @license
* Copyright 2019 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 { expect } from 'chai';
import { degreesToRadians, lengthToBaseMeters, normalizeUnit, radiansToDegrees } from '../../styles/conversions.js';
import { numberNode } from '../../styles/parsers.js';
suite('conversions', () => {
suite('degreesToRadians', () => {
test('converts a number expressed in degrees to radians', () => {
expect(degreesToRadians(numberNode(180, 'deg')))
.to.be.eql(numberNode(Math.PI, 'rad'));
});
test('passes through numbers expressed in radians', () => {
expect(degreesToRadians(numberNode(1, 'rad')))
.to.be.eql(numberNode(1, 'rad'));
});
test('passes through numbers without a unit', () => {
expect(degreesToRadians(numberNode(1, null)))
.to.be.eql(numberNode(1, null));
});
});
suite('radiansToDegrees', () => {
test('converts a number expressed in radians to degrees', () => {
expect(radiansToDegrees(numberNode(Math.PI, 'rad')))
.to.be.eql(numberNode(180, 'deg'));
});
test('passes through numbers expressed in degrees', () => {
expect(radiansToDegrees(numberNode(1, 'deg')))
.to.be.eql(numberNode(1, 'deg'));
});
test('treats numbers without a unit as radians', () => {
expect(radiansToDegrees(numberNode(Math.PI, null)))
.to.be.eql(numberNode(180, 'deg'));
});
});
suite('lengthToBaseMeters', () => {
test('passes through numbers expressed in base meters', () => {
expect(lengthToBaseMeters(numberNode(1, 'm')))
.to.be.eql(numberNode(1, 'm'));
});
test('converts numbers expressed in centimeters to base meters', () => {
expect(lengthToBaseMeters(numberNode(123, 'cm')))
.to.be.eql(numberNode(1.23, 'm'));
});
test('converts numbers expressed in millimeters to base meters', () => {
expect(lengthToBaseMeters(numberNode(1234, 'mm')))
.to.be.eql(numberNode(1.234, 'm'));
});
});
suite('normalizeUnit', () => {
test('normalizes angles to radians', () => {
expect(normalizeUnit(numberNode(180, 'deg')))
.to.be.eql(numberNode(Math.PI, 'rad'));
expect(normalizeUnit(numberNode(180, 'rad')))
.to.be.eql(numberNode(180, 'rad'));
});
test('normalizes lengths to base meters', () => {
expect(normalizeUnit(numberNode(1, 'm'))).to.be.eql(numberNode(1, 'm'));
expect(normalizeUnit(numberNode(1000, 'mm')))
.to.be.eql(numberNode(1, 'm'));
});
});
});
//# sourceMappingURL=conversions-spec.js.map