ngx-open-map-wrapper/node_modules/maplibre-gl/src/ui/camera.test.ts
2025-10-27 09:20:22 -04:00

3899 lines
138 KiB
TypeScript

import {describe, beforeEach, test, expect, vi} from 'vitest';
import {Camera, type CameraOptions, type PointLike} from '../ui/camera';
import {TaskQueue, type TaskID} from '../util/task_queue';
import * as timeControl from '../util/time_control';
import {browser} from '../util/browser';
import {fixedLngLat, fixedNum} from '../../test/unit/lib/fixed';
import {setMatchMedia} from '../util/test/util';
import {mercatorZfromAltitude} from '../geo/mercator_coordinate';
import {LngLat, type LngLatLike} from '../geo/lng_lat';
import {LngLatBounds} from '../geo/lng_lat_bounds';
import {MercatorTransform} from '../geo/projection/mercator_transform';
import {GlobeTransform} from '../geo/projection/globe_transform';
import {getZoomAdjustment} from '../geo/projection/globe_utils';
import {GlobeCameraHelper} from '../geo/projection/globe_camera_helper';
import {MercatorCameraHelper} from '../geo/projection/mercator_camera_helper';
import {getMercatorHorizon} from '../geo/projection/mercator_utils';
import Point from '@mapbox/point-geometry';
import type {GlobeProjection} from '../geo/projection/globe_projection';
import type {Terrain} from '../render/terrain';
beforeEach(() => {
setMatchMedia();
Object.defineProperty(browser, 'prefersReducedMotion', {value: false});
});
class CameraMock extends Camera {
// eslint-disable-next-line
_requestRenderFrame(a: () => void): TaskID {
return undefined;
}
_cancelRenderFrame(_: TaskID): void {
return undefined;
}
}
function attachSimulateFrame(camera) {
const queue = new TaskQueue();
camera._requestRenderFrame = (cb) => queue.add(cb);
camera._cancelRenderFrame = (id) => queue.remove(id);
camera.simulateFrame = () => queue.run();
return camera;
}
function createCamera(options?): Camera & { simulateFrame: () => void } {
options = options || {};
const transform = options.globe ? new GlobeTransform() : new MercatorTransform();
transform.setMinZoom(0);
transform.setMaxZoom(20);
transform.setMinPitch(0);
transform.setMaxPitch(60);
transform.setRenderWorldCopies(options.renderWorldCopies);
transform.resize(512, 512);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any));
if (options.globe) {
camera.cameraHelper = new GlobeCameraHelper({useGlobeRendering: true} as GlobeProjection);
}
camera.jumpTo(options);
camera._update = () => {};
camera._elevateCameraIfInsideTerrain = (_tr : any) => ({});
return camera;
}
function createCameraGlobe(options?) {
options = options || {};
options.globe = true;
return createCamera(options);
}
function createCameraGlobeZoomed() {
return createCameraGlobe({
zoom: 3
});
}
describe('calculateCameraOptionsFromTo', () => {
// Choose initial zoom to avoid center being constrained by mercator latitude limits.
const camera = createCamera({zoom: 1});
test('look at north', () => {
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromTo({lng: 1, lat: 0}, 0, {lng: 1, lat: 1});
expect(cameraOptions).toBeDefined();
expect(cameraOptions.center).toBeDefined();
expect(cameraOptions.bearing).toBeCloseTo(0);
expect(cameraOptions.roll).toBeUndefined();
});
test('look at west', () => {
const cameraOptions = camera.calculateCameraOptionsFromTo({lng: 1, lat: 0} as LngLat, 0, {lng: 0, lat: 0} as LngLat);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.bearing).toBeCloseTo(-90);
expect(cameraOptions.roll).toBeUndefined();
});
test('pitch 45', () => {
// altitude same as grounddistance => 45°
// distance between lng x and lng x+1 is 111.2km at same lat
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromTo({lng: 1, lat: 0}, 111200, {lng: 0, lat: 0});
expect(cameraOptions).toBeDefined();
expect(cameraOptions.pitch).toBeCloseTo(45);
expect(cameraOptions.roll).toBeUndefined();
});
test('pitch 90', () => {
const cameraOptions = camera.calculateCameraOptionsFromTo({lng: 1, lat: 0}, 0, {lng: 0, lat: 0});
expect(cameraOptions).toBeDefined();
expect(cameraOptions.pitch).toBeCloseTo(90);
expect(cameraOptions.roll).toBeUndefined();
});
test('pitch 153.435', () => {
// distance between lng x and lng x+1 is 111.2km at same lat
// (elevation difference of cam and center) / 2 = grounddistance =>
// acos(111.2 / sqrt(111.2² + (111.2 * 2)²)) = acos(1/sqrt(5)) => 63.435 + 90 (looking up) = 153.435
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromTo({lng: 1, lat: 0}, 111200, {lng: 0, lat: 0}, 111200 * 3);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.pitch).toBeCloseTo(153.435);
expect(cameraOptions.roll).toBeUndefined();
});
test('zoom distance 1000', () => {
const expectedZoom = Math.log2(camera.transform.cameraToCenterDistance / mercatorZfromAltitude(1000, 0) / camera.transform.tileSize);
const cameraOptions = camera.calculateCameraOptionsFromTo({lng: 0, lat: 0}, 0, {lng: 0, lat: 0}, 1000);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.zoom).toBeCloseTo(expectedZoom);
expect(cameraOptions.roll).toBeUndefined();
});
test('zoom distance 1 lng (111.2km), 111.2km altitude away', () => {
const expectedZoom = Math.log2(camera.transform.cameraToCenterDistance / mercatorZfromAltitude(Math.hypot(111200, 111200), 0) / camera.transform.tileSize);
const cameraOptions = camera.calculateCameraOptionsFromTo({lng: 0, lat: 0}, 0, {lng: 1, lat: 0}, 111200);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.zoom).toBeCloseTo(expectedZoom);
expect(cameraOptions.roll).toBeUndefined();
});
test('same To as From error', () => {
expect(() => { camera.calculateCameraOptionsFromTo({lng: 0, lat: 0}, 0, {lng: 0, lat: 0}, 0); }).toThrow();
});
});
describe('calculateCameraOptionsFromCameraLngLatAltRotation', () => {
// Choose initial zoom to avoid center being constrained by mercator latitude limits.
const camera = createCamera({zoom: 1, maxPitch: 180});
test('look straight down', () => {
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromCameraLngLatAltRotation({lng: 1, lat: 0}, 0, 0, 0);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.center).toBeDefined();
const center = cameraOptions.center as LngLat;
expect(center.lng).toBeCloseTo(1);
expect(center.lat).toBeCloseTo(0);
expect(cameraOptions.elevation).toBeDefined();
expect(cameraOptions.elevation).toBeLessThan(0);
expect(cameraOptions.zoom).toBeGreaterThan(0);
expect(cameraOptions.bearing).toBeCloseTo(0);
expect(cameraOptions.pitch).toBeCloseTo(0);
expect(cameraOptions.roll).toBeUndefined();
});
test('look straight up', () => {
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromCameraLngLatAltRotation({lng: 1, lat: 0}, 0, 0, 180);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.center).toBeDefined();
const center = cameraOptions.center as LngLat;
expect(center.lng).toBeCloseTo(1);
expect(center.lat).toBeCloseTo(0);
expect(cameraOptions.elevation).toBeDefined();
expect(cameraOptions.elevation).toBeGreaterThan(0);
expect(cameraOptions.zoom).toBeGreaterThan(0);
expect(cameraOptions.bearing).toBeCloseTo(0);
expect(cameraOptions.pitch).toBeCloseTo(180);
expect(cameraOptions.roll).toBeUndefined();
});
test('look level', () => {
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromCameraLngLatAltRotation({lng: 1, lat: 0}, 0, 0, 90);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.center).toBeDefined();
expect(cameraOptions.elevation).toBeDefined();
expect(cameraOptions.elevation).toBeCloseTo(0);
expect(cameraOptions.zoom).toBeGreaterThan(0);
expect(cameraOptions.bearing).toBeCloseTo(0);
expect(cameraOptions.pitch).toBeCloseTo(90);
expect(cameraOptions.roll).toBeUndefined();
});
test('roll passthru', () => {
const cameraOptions: CameraOptions = camera.calculateCameraOptionsFromCameraLngLatAltRotation({lng: 1, lat: 55}, 0, 34, 45, 123.4);
expect(cameraOptions).toBeDefined();
expect(cameraOptions.center).toBeDefined();
expect(cameraOptions.elevation).toBeDefined();
expect(cameraOptions.elevation).toBeLessThan(0);
expect(cameraOptions.zoom).toBeGreaterThan(0);
expect(cameraOptions.bearing).toBeCloseTo(34);
expect(cameraOptions.pitch).toBeCloseTo(45);
expect(cameraOptions.roll).toBeCloseTo(123.4);
});
});
describe('jumpTo', () => {
// Choose initial zoom to avoid center being constrained by mercator latitude limits.
const camera = createCamera({zoom: 1});
test('sets center', () => {
camera.jumpTo({center: [1, 2]});
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
});
test('throws on invalid center argument', () => {
expect(() => {
camera.jumpTo({center: 1 as any});
}).toThrow(Error);
});
test('keeps current center if not specified', () => {
camera.jumpTo({});
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
});
test('sets zoom', () => {
camera.jumpTo({zoom: 3});
expect(camera.getZoom()).toBe(3);
});
test('keeps current zoom if not specified', () => {
camera.jumpTo({});
expect(camera.getZoom()).toBe(3);
});
test('sets bearing', () => {
camera.jumpTo({bearing: 4});
expect(camera.getBearing()).toBe(4);
});
test('keeps current bearing if not specified', () => {
camera.jumpTo({});
expect(camera.getBearing()).toBe(4);
});
test('sets pitch', () => {
camera.jumpTo({pitch: 45});
expect(camera.getPitch()).toBe(45);
});
test('keeps current pitch if not specified', () => {
camera.jumpTo({});
expect(camera.getPitch()).toBe(45);
});
test('sets roll', () => {
camera.jumpTo({pitch: 0, roll: 45});
expect(camera.getRoll()).toBe(45);
expect(camera.getPitch()).toBe(0);
});
test('keeps current roll if not specified', () => {
camera.jumpTo({});
expect(camera.getRoll()).toBe(45);
});
test('sets field of view', () => {
camera.setVerticalFieldOfView(29);
expect(camera.getVerticalFieldOfView()).toBeCloseTo(29, 10);
});
test('sets multiple properties', () => {
camera.jumpTo({
center: [10, 20],
zoom: 10,
bearing: 180,
pitch: 60
});
expect(camera.getCenter()).toEqual({lng: 10, lat: 20});
expect(camera.getZoom()).toBe(10);
expect(camera.getBearing()).toBe(180);
expect(camera.getPitch()).toBe(60);
});
test('sets more properties', () => {
camera.jumpTo({
center: [1, 2],
zoom: 9,
bearing: 120,
pitch: 40,
roll: 20
});
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
expect(camera.getZoom()).toBe(9);
expect(camera.getBearing()).toBe(120);
expect(camera.getPitch()).toBe(40);
expect(camera.getRoll()).toBe(20);
});
test('emits move events, preserving eventData', () => {
let started, moved, ended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { ended = d.data; });
camera.jumpTo({center: [1, 2]}, eventData);
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(ended).toBe('ok');
});
test('emits move events when FOV changes, preserving eventData', () => {
let started, moved, ended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { ended = d.data; });
camera.setVerticalFieldOfView(44, eventData);
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(ended).toBe('ok');
});
test('emits zoom events, preserving eventData', () => {
let started, zoomed, ended;
const eventData = {data: 'ok'};
camera.on('zoomstart', (d) => { started = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
camera.on('zoomend', (d) => { ended = d.data; });
camera.jumpTo({zoom: 3}, eventData);
expect(started).toBe('ok');
expect(zoomed).toBe('ok');
expect(ended).toBe('ok');
});
test('emits rotate events, preserving eventData', () => {
let started, rotated, ended;
const eventData = {data: 'ok'};
camera.on('rotatestart', (d) => { started = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('rotateend', (d) => { ended = d.data; });
camera.jumpTo({bearing: 90}, eventData);
expect(started).toBe('ok');
expect(rotated).toBe('ok');
expect(ended).toBe('ok');
});
test('emits pitch events, preserving eventData', () => {
let started, pitched, ended;
const eventData = {data: 'ok'};
camera.on('pitchstart', (d) => { started = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('pitchend', (d) => { ended = d.data; });
camera.jumpTo({pitch: 10}, eventData);
expect(started).toBe('ok');
expect(pitched).toBe('ok');
expect(ended).toBe('ok');
});
test('emits roll events, preserving eventData', () => {
let started, rolled, ended;
const eventData = {data: 'ok'};
camera.on('rollstart', (d) => { started = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
camera.on('rollend', (d) => { ended = d.data; });
camera.jumpTo({roll: 10}, eventData);
expect(started).toBe('ok');
expect(rolled).toBe('ok');
expect(ended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([3, 4]);
expect(camera.isEasing()).toBeTruthy();
camera.jumpTo({center: [1, 2]});
expect(!camera.isEasing()).toBeTruthy();
});
});
describe('setCenter', () => {
// Choose initial zoom to avoid center being constrained by mercator latitude limits.
const camera = createCamera({zoom: 1});
test('sets center', () => {
camera.setCenter([1, 2]);
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
});
test('throws on invalid center argument', () => {
expect(() => {
camera.jumpTo({center: 1 as any});
}).toThrow(Error);
});
test('emits move events, preserving eventData', () => {
let started, moved, ended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { ended = d.data; });
camera.setCenter([10, 20], eventData);
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(ended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([3, 4]);
expect(camera.isEasing()).toBeTruthy();
camera.setCenter([1, 2]);
expect(!camera.isEasing()).toBeTruthy();
});
});
describe('setZoom', () => {
const camera = createCamera();
test('sets zoom', () => {
camera.setZoom(3);
expect(camera.getZoom()).toBe(3);
});
test('emits move and zoom events, preserving eventData', () => {
let movestarted, moved, moveended, zoomstarted, zoomed, zoomended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { moveended = d.data; });
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
camera.on('zoomend', (d) => { zoomended = d.data; });
camera.setZoom(4, eventData);
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(moveended).toBe('ok');
expect(zoomstarted).toBe('ok');
expect(zoomed).toBe('ok');
expect(zoomended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([3, 4]);
expect(camera.isEasing()).toBeTruthy();
camera.setZoom(5);
expect(!camera.isEasing()).toBeTruthy();
});
});
describe('setBearing', () => {
const camera = createCamera();
test('sets bearing', () => {
camera.setBearing(4);
expect(camera.getBearing()).toBe(4);
});
test('emits move and rotate events, preserving eventData', () => {
let movestarted, moved, moveended, rotatestarted, rotated, rotateended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { moveended = d.data; });
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('rotateend', (d) => { rotateended = d.data; });
camera.setBearing(5, eventData);
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(moveended).toBe('ok');
expect(rotatestarted).toBe('ok');
expect(rotated).toBe('ok');
expect(rotateended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([4, 3]);
expect(camera.isEasing()).toBeTruthy();
camera.setBearing(6);
expect(!camera.isEasing()).toBeTruthy();
});
});
describe('setRoll', () => {
const camera = createCamera();
test('sets roll', () => {
camera.setRoll(4);
expect(camera.getRoll()).toBe(4);
});
test('emits move and roll events, preserving eventData', () => {
let movestarted, moved, moveended, rollstarted, rolled, rollended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { moveended = d.data; });
camera.on('rollstart', (d) => { rollstarted = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
camera.on('rollend', (d) => { rollended = d.data; });
camera.setRoll(5, eventData);
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(moveended).toBe('ok');
expect(rollstarted).toBe('ok');
expect(rolled).toBe('ok');
expect(rollended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([3, 4]);
expect(camera.isEasing()).toBeTruthy();
camera.setRoll(6);
expect(!camera.isEasing()).toBeTruthy();
});
});
describe('setPadding', () => {
test('sets padding', () => {
const camera = createCamera();
const padding = {left: 300, top: 100, right: 50, bottom: 10};
camera.setPadding(padding);
expect(camera.getPadding()).toEqual(padding);
});
test('existing padding is retained if no new values are passed in', () => {
const camera = createCamera();
const padding = {left: 300, top: 100, right: 50, bottom: 10};
camera.setPadding(padding);
camera.setPadding({} as any);
const currentPadding = camera.getPadding();
expect(currentPadding).toEqual(padding);
});
test('doesn\'t change padding thats already present if new value isn\'t passed in', () => {
const camera = createCamera();
const padding = {left: 300, top: 100, right: 50, bottom: 10};
camera.setPadding(padding);
const padding1 = {right: 100};
camera.setPadding(padding1);
const currentPadding = camera.getPadding();
expect(currentPadding.left).toBe(padding.left);
expect(currentPadding.top).toBe(padding.top);
// padding1 here
expect(currentPadding.right).toBe(padding1.right);
expect(currentPadding.bottom).toBe(padding.bottom);
});
});
describe('panBy', () => {
test('pans by specified amount', () => {
const camera = createCamera();
camera.panBy([100, 0], {duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 70.3125, lat: 0});
});
test('pans relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.panBy([100, 0], {duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: -70.3125, lat: 0});
});
test('emits move events, preserving eventData', async () => {
const camera = createCamera();
let started, moved;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
const promise = camera.once('moveend');
camera.panBy([100, 0], {duration: 0}, eventData);
const d = await promise;
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(d.data).toBe('ok');
});
test('suppresses movestart if noMoveStart option is true', async () => {
const camera = createCamera();
let started;
// fire once in advance to satisfy assertions that moveend only comes after movestart
camera.fire('movestart');
camera.on('movestart', () => { started = true; });
const promise = camera.once('moveend');
camera.panBy([100, 0], {duration: 0, noMoveStart: true});
await promise;
expect(started).toBeFalsy();
});
});
describe('panTo', () => {
test('pans to specified location', () => {
const camera = createCamera();
camera.panTo([100, 0], {duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('throws on invalid center argument', () => {
const camera = createCamera();
expect(() => {
camera.panTo({center: 1} as any);
}).toThrow(Error);
});
test('pans with specified offset', () => {
const camera = createCamera();
camera.panTo([100, 0], {offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 29.6875, lat: 0});
});
test('pans with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.panTo([100, 0], {offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 170.3125, lat: 0});
});
test('emits move events, preserving eventData', async () => {
const camera = createCamera();
let started, moved;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
const promise = camera.once('moveend');
camera.panTo([100, 0], {duration: 0}, eventData);
const d = await promise;
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(d.data).toBe('ok');
});
test('suppresses movestart if noMoveStart option is true', async () => {
const camera = createCamera();
let started;
// fire once in advance to satisfy assertions that moveend only comes after movestart
camera.fire('movestart');
camera.on('movestart', () => { started = true; });
const promise = camera.once('moveend');
camera.panTo([100, 0], {duration: 0, noMoveStart: true});
await promise;
expect(started).toBeFalsy();
});
});
describe('zoomTo', () => {
test('zooms to specified level', () => {
const camera = createCamera();
camera.zoomTo(3.2, {duration: 0});
expect(camera.getZoom()).toBe(3.2);
});
test('zooms around specified location', () => {
const camera = createCamera();
camera.zoomTo(3.2, {around: [5, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 4.455905897939886, lat: 0}));
});
test('zooms with specified offset', () => {
const camera = createCamera();
camera.zoomTo(3.2, {offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 62.66117668978015, lat: 0}));
});
test('zooms with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.zoomTo(3.2, {offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: -62.66117668978012, lat: 0}));
});
test('emits move and zoom events, preserving eventData', async () => {
const camera = createCamera();
let movestarted, moved, zoomstarted, zoomed;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
const movePromise = camera.once('moveend');
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
const zoomPromise = camera.once('zoomend');
camera.zoomTo(5, {duration: 0}, eventData);
const moveResult = await movePromise;
const zoomResult = await zoomPromise;
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(moveResult.data).toBe('ok');
expect(zoomstarted).toBe('ok');
expect(zoomed).toBe('ok');
expect(zoomResult.data).toBe('ok');
});
});
describe('rotateTo', () => {
test('rotates to specified bearing', () => {
const camera = createCamera();
camera.rotateTo(90, {duration: 0});
expect(camera.getBearing()).toBe(90);
});
test('rotates around specified location', () => {
const camera = createCamera({zoom: 3});
camera.rotateTo(90, {around: [5, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 4.999999999999972, lat: 4.993665859353271}));
});
test('rotates around specified location, constrained to fit the view', () => {
const camera = createCamera({zoom: 0});
camera.rotateTo(90, {around: [5, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 4.999999999999972, lat: 0.000002552471840999715}));
});
test('rotates with specified offset', () => {
const camera = createCamera({zoom: 1});
camera.rotateTo(90, {offset: [200, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 70.3125, lat: 57.3265212252}));
});
test('rotates with specified offset, constrained to fit the view', () => {
const camera = createCamera({zoom: 0});
camera.rotateTo(90, {offset: [100, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 70.3125, lat: 0.000002552471840999715}));
});
test('rotates with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180, zoom: 1});
camera.rotateTo(90, {offset: [200, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: -70.3125, lat: 57.3265212252}));
});
test('emits move and rotate events, preserving eventData', async () => {
const camera = createCamera();
let movestarted, moved, rotatestarted, rotated;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
const movePromise = camera.once('moveend');
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
const rotatePRomise = camera.once('rotateend');
camera.rotateTo(90, {duration: 0}, eventData);
const moveResults = await movePromise;
const rotateReults = await rotatePRomise;
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(moveResults.data).toBe('ok');
expect(rotatestarted).toBe('ok');
expect(rotated).toBe('ok');
expect(rotateReults.data).toBe('ok');
});
});
describe('easeTo', () => {
test('pans to specified location', () => {
const camera = createCamera();
camera.easeTo({center: [100, 0], duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('zooms to specified level', () => {
const camera = createCamera();
camera.easeTo({zoom: 3.2, duration: 0});
expect(camera.getZoom()).toBe(3.2);
});
test('rotates to specified bearing', () => {
const camera = createCamera();
camera.easeTo({bearing: 90, duration: 0});
expect(camera.getBearing()).toBe(90);
});
test('pitches to specified pitch', () => {
const camera = createCamera();
camera.easeTo({pitch: 45, duration: 0});
expect(camera.getPitch()).toBeCloseTo(45, 6);
});
test('rolls to specified roll', () => {
const camera = createCamera();
camera.easeTo({pitch: 1, roll: 45, duration: 0});
expect(camera.getRoll()).toBeCloseTo(45, 6);
});
test('roll behavior at Euler angle singularity', () => {
const camera = createCamera();
camera.easeTo({bearing: 0, pitch: 0, roll: 45, duration: 0});
expect(camera.getRoll()).toBeCloseTo(45, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(0, 6);
});
test('bearing behavior at Euler angle singularity', () => {
const camera = createCamera();
camera.easeTo({bearing: 45, pitch: 0, roll: 0, duration: 0});
expect(camera.getRoll()).toBeCloseTo(0, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(45, 6);
});
test('pans and zooms', () => {
const camera = createCamera();
camera.easeTo({center: [100, 0], zoom: 3.2, duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 100, lat: 0}));
expect(camera.getZoom()).toBe(3.2);
});
test('zooms around a point', () => {
const camera = createCamera();
camera.easeTo({around: [100, 0], zoom: 3, duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 87.5, lat: 0}));
expect(camera.getZoom()).toBe(3);
});
test('pans and rotates', () => {
const camera = createCamera();
camera.easeTo({center: [100, 0], bearing: 90, duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
expect(camera.getBearing()).toBe(90);
});
test('zooms and rotates', () => {
const camera = createCamera();
camera.easeTo({zoom: 3.2, bearing: 90, duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('pans, zooms, and rotates', () => {
const camera = createCamera({bearing: -90});
camera.easeTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 100, lat: 0}));
expect(camera.getZoom()).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('noop', () => {
const camera = createCamera();
camera.easeTo({duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('noop with offset', () => {
const camera = createCamera();
camera.easeTo({offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('pans with specified offset', () => {
const camera = createCamera();
camera.easeTo({center: [100, 0], offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 29.6875, lat: 0});
});
test('pans with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.easeTo({center: [100, 0], offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 170.3125, lat: 0});
});
test('offset computed from inertia (small) does not cross horizon when pitched', () => {
const camera = createCamera({pitch: 85, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 100), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('offset computed from inertia (large) does not cross horizon when pitched', () => {
const camera = createCamera({pitch: 85, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 500), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('offset computed from inertia (large) does not cross horizon when pitched and rotated', () => {
const camera = createCamera({pitch: 85, bearing: 135, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 500), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('zooms with specified offset', () => {
const camera = createCamera();
camera.easeTo({zoom: 3.2, offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 62.66117668978015, lat: 0}));
});
test('zooms with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.easeTo({zoom: 3.2, offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: -62.66117668978012, lat: 0}));
});
test('rotates with specified offset', () => {
const camera = createCamera();
camera.easeTo({bearing: 90, offset: [100, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 70.3125, lat: 0.000002552471840999715}));
});
test('rotates with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.easeTo({bearing: 90, offset: [100, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: -70.3125, lat: 0.000002552471840999715}));
});
test('emits move, zoom, rotate, pitch, and roll events, preserving eventData', async () => {
const camera = createCamera();
let movestarted, moved, zoomstarted, zoomed, rotatestarted, rotated, pitchstarted, pitched, rollstarted, rolled;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
const movePromise = camera.once('moveend');
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
const zoomPromise = camera.once('zoomend');
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
const rotatePromise = camera.once('rotateend');
camera.on('pitchstart', (d) => { pitchstarted = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
const pitchPromise = camera.once('pitchend');
camera.on('rollstart', (d) => { rollstarted = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
const rollPromise = camera.once('rollend');
camera.easeTo(
{center: [100, 0], zoom: 3.2, bearing: 90, duration: 0, pitch: 45, roll: 30},
eventData);
const moveResults = await movePromise;
expect(camera._zooming).toBeFalsy();
expect(camera._rotating).toBeFalsy();
expect(camera._rolling).toBeFalsy();
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(zoomed).toBe('ok');
expect(rotated).toBe('ok');
expect(rolled).toBe('ok');
expect(pitched).toBe('ok');
expect(moveResults.data).toBe('ok');
const zoomResults = await zoomPromise;
expect(zoomstarted).toBe('ok');
expect(zoomed).toBe('ok');
expect(zoomResults.data).toBe('ok');
const rotateResults = await rotatePromise;
expect(rotatestarted).toBe('ok');
expect(rotated).toBe('ok');
expect(rotateResults.data).toBe('ok');
const pitchResults = await pitchPromise;
expect(pitchstarted).toBe('ok');
expect(pitched).toBe('ok');
expect(pitchResults.data).toBe('ok');
const rollResults = await rollPromise;
expect(rollstarted).toBe('ok');
expect(rolled).toBe('ok');
expect(rollResults.data).toBe('ok');
});
test('does not emit zoom events if not zooming', async () => {
const camera = createCamera();
const spy = vi.fn();
camera.on('zoomstart', spy);
camera.on('zoom', spy);
camera.on('zoomend', spy);
const promise = camera.once('moveend');
camera.easeTo({center: [100, 0], duration: 0});
await promise;
expect(spy).not.toHaveBeenCalled();
});
test('stops existing ease', () => {
const camera = createCamera();
camera.easeTo({center: [200, 0], duration: 100});
camera.easeTo({center: [100, 0], duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('can be called from within a moveend event handler', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.easeTo({center: [100, 0], duration: 10});
let promise = camera.once('moveend');
// setTimeout to avoid a synchronous callback
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
await promise;
camera.easeTo({center: [200, 0], duration: 10});
promise = camera.once('moveend');
// setTimeout to avoid a synchronous callback
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
await promise;
camera.easeTo({center: [300, 0], duration: 10});
promise = camera.once('moveend');
setTimeout(() => {
stub.mockImplementation(() => 30);
camera.simulateFrame();
}, 0);
await promise;
});
test('pans eastward across the antimeridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.easeTo({center: [-170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('does not pan eastward across the antimeridian on a single-globe mercator map', async () => {
const camera = createCamera({renderWorldCopies: false, zoom: 2});
camera.setCenter([170, 0]);
const initialLng = camera.getCenter().lng;
const promise = camera.once('moveend');
camera.easeTo({center: [210, 0], duration: 0});
await promise;
expect(camera.getCenter().lng).toBeCloseTo(initialLng, 0);
});
test('pans westward across the antimeridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.easeTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('does not pan westward across the antimeridian on a single-globe mercator map', async () => {
const camera = createCamera({renderWorldCopies: false, zoom: 2});
camera.setCenter([-170, 0]);
const initialLng = camera.getCenter().lng;
const promise = camera.once('moveend');
camera.easeTo({center: [-210, 0], duration: 0});
await promise;
expect(camera.getCenter().lng).toBeCloseTo(initialLng, 0);
});
test('animation occurs when prefers-reduced-motion: reduce is set but overridden by essential: true', async () => {
const camera = createCamera();
Object.defineProperty(browser, 'prefersReducedMotion', {value: true});
const stubNow = vi.spyOn(timeControl, 'now');
// camera transition expected to take in this range when prefersReducedMotion is set and essential: true,
// when a duration of 200 is requested
const min = 100;
const max = 300;
let startTime;
camera.on('movestart', () => { startTime = timeControl.now(); });
const promise = camera.once('moveend');
setTimeout(() => {
stubNow.mockImplementation(() => 0);
camera.simulateFrame();
camera.easeTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 200, essential: true});
setTimeout(() => {
stubNow.mockImplementation(() => 200);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
const endTime = timeControl.now();
const timeDiff = endTime - startTime;
expect(timeDiff >= min && timeDiff < max).toBeTruthy();
});
test('duration is 0 when prefers-reduced-motion: reduce is set', async () => {
const camera = createCamera();
Object.defineProperty(browser, 'prefersReducedMotion', {value: true});
let startTime;
camera.on('movestart', () => { startTime = new Date(); });
const promise = camera.once('moveend');
camera.easeTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 1000});
await promise;
const endTime = new Date();
const timeDiff = endTime.getTime() - startTime.getTime();
expect(timeDiff >= 0 && timeDiff < 10).toBeTruthy();
});
test('jumpTo on("move") during easeTo with zoom, pitch, etc', () => {
const camera = createCamera();
const spy = vi.fn();
camera.on('moveend', spy);
camera.easeTo({zoom: 20, bearing: 90, pitch: 60, duration: 500}, {done: true});
camera.once('move', () => {
camera.jumpTo({pitch: 40});
});
camera.simulateFrame();
camera.simulateFrame();
expect(spy.mock.calls.find(c => 'done' in c[0])).toBeTruthy();
});
test('jumpTo on("zoom") during easeTo', () => {
const camera = createCamera();
const spy = vi.fn();
camera.on('moveend', spy);
camera.easeTo({zoom: 20, duration: 500}, {done: true});
camera.once('zoom', () => {
camera.jumpTo({pitch: 40});
});
camera.simulateFrame();
camera.simulateFrame();
expect(spy.mock.calls.find(c => 'done' in c[0])).toBeTruthy();
});
test('jumpTo on("pitch") during easeTo', () => {
const camera = createCamera();
const spy = vi.fn();
camera.on('moveend', spy);
camera.easeTo({pitch: 60, duration: 500}, {done: true});
camera.once('pitch', () => {
camera.jumpTo({pitch: 40});
});
camera.simulateFrame();
camera.simulateFrame();
expect(spy.mock.calls.find(c => 'done' in c[0])).toBeTruthy();
});
test('jumpTo on("rotate") during easeTo', () => {
const camera = createCamera();
const spy = vi.fn();
camera.on('moveend', spy);
camera.easeTo({bearing: 90, duration: 500}, {done: true});
camera.once('rotate', () => {
camera.jumpTo({pitch: 40});
});
camera.simulateFrame();
camera.simulateFrame();
expect(spy.mock.calls.find(c => 'done' in c[0])).toBeTruthy();
});
test('terrain set during easeTo', () => {
const camera = createCamera();
const stubNow = vi.spyOn(timeControl, 'now');
stubNow.mockImplementation(() => 0);
camera.easeTo({bearing: 97, duration: 500});
stubNow.mockImplementation(() => 100);
camera.simulateFrame();
const terrain = {getMinTileElevationForLngLatZoom: () => 0,
getElevationForLngLatZoom: () => 0};
camera.terrain = terrain as any;
stubNow.mockImplementation(() => 500);
camera.simulateFrame();
expect(camera.getBearing()).toEqual(97);
});
});
describe('flyTo', () => {
test('pans to specified location', () => {
const camera = createCamera();
camera.flyTo({center: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
});
test('throws on invalid center argument', () => {
const camera = createCamera();
expect(() => {
camera.flyTo({center: 1 as any});
}).toThrow(Error);
});
test('does not throw when cameras current zoom is sufficiently greater than passed zoom option', () => {
const camera = createCamera({zoom: 22, center: [0, 0]});
expect(() => camera.flyTo({zoom: 10, center: [0, 0]})).not.toThrow();
});
test('does not throw when cameras current zoom is above maxzoom and an offset creates infinite zoom out factor', () => {
const transform = new MercatorTransform({minZoom: 0, maxZoom: 20.9999, minPitch: 0, maxPitch: 60, renderWorldCopies: true});
transform.resize(512, 512);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any))
.jumpTo({zoom: 21, center: [0, 0]});
camera._update = () => {};
expect(() => camera.flyTo({zoom: 7.5, center: [0, 0], offset: [0, 70]})).not.toThrow();
});
test('zooms to specified level', () => {
const camera = createCamera();
camera.flyTo({zoom: 3.2, animate: false});
expect(fixedNum(camera.getZoom())).toBe(3.2);
});
test('zooms to integer level without floating point errors', () => {
const camera = createCamera({zoom: 0.6});
camera.flyTo({zoom: 2, animate: false});
expect(camera.getZoom()).toBe(2);
});
test('Zoom out from the same position to the same position with animation', async () => {
const pos = {lng: 0, lat: 0};
const camera = createCamera({zoom: 20, center: pos});
const stub = vi.spyOn(timeControl, 'now');
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({zoom: 19, center: pos, duration: 2});
stub.mockImplementation(() => 3);
camera.simulateFrame();
await promise;
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat(pos));
expect(camera.getZoom()).toBe(19);
});
test('rotates to specified bearing', () => {
const camera = createCamera();
camera.flyTo({bearing: 90, animate: false});
expect(camera.getBearing()).toBe(90);
});
test('tilts to specified pitch', () => {
const camera = createCamera();
camera.flyTo({pitch: 45, animate: false});
expect(camera.getPitch()).toBeCloseTo(45, 6);
});
test('rolls to specified roll', () => {
const camera = createCamera();
camera.flyTo({pitch: 1, roll: 45, animate: false});
expect(camera.getRoll()).toBeCloseTo(45, 6);
});
test('roll behavior at Euler angle singularity', () => {
const camera = createCamera();
camera.flyTo({bearing: 0, pitch: 0, roll: 45, animate: false});
expect(camera.getRoll()).toBeCloseTo(45, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(0, 6);
});
test('bearing behavior at Euler angle singularity', () => {
const camera = createCamera();
camera.flyTo({bearing: 45, pitch: 0, roll: 0, animate: false});
expect(camera.getRoll()).toBeCloseTo(0, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(45, 6);
});
test('pans and zooms', () => {
const camera = createCamera();
camera.flyTo({center: [100, 0], zoom: 3.2, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(fixedNum(camera.getZoom())).toBe(3.2);
});
test('pans and rotates', () => {
const camera = createCamera();
camera.flyTo({center: [100, 0], bearing: 90, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(camera.getBearing()).toBe(90);
});
test('zooms and rotates', () => {
const camera = createCamera();
camera.flyTo({zoom: 3.2, bearing: 90, animate: false});
expect(fixedNum(camera.getZoom())).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('pans, zooms, and rotates', () => {
const camera = createCamera();
camera.flyTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 0, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(fixedNum(camera.getZoom())).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('noop', () => {
const camera = createCamera();
camera.flyTo({animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('noop with offset', () => {
const camera = createCamera();
camera.flyTo({offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('pans with specified offset', () => {
const camera = createCamera();
camera.flyTo({center: [100, 0], offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 29.6875, lat: 0});
});
test('pans with specified offset relative to viewport on a rotated camera', () => {
const camera = createCamera({bearing: 180});
camera.easeTo({center: [100, 0], offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 170.3125, lat: 0});
});
test('emits move, zoom, rotate, pitch, and roll events, preserving eventData', async () => {
const camera = createCamera();
let movestarted, moved, zoomstarted, zoomed, rotatestarted, rotated, pitchstarted, pitched, rollstarted, rolled;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
const movePromise = camera.once('moveend');
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
const zoomPromise = camera.once('zoomend');
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
const rotatePromise = camera.once('rotateend');
camera.on('pitchstart', (d) => { pitchstarted = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
const pitchPromise = camera.once('pitchend');
camera.on('rollstart', (d) => { rollstarted = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
const rollPromise = camera.once('rollend');
camera.flyTo(
{center: [100, 0], zoom: 3.2, bearing: 90, duration: 0, pitch: 45, roll: 20, animate: false},
eventData);
const moveResult = await movePromise;
expect(camera._zooming).toBeFalsy();
expect(camera._rotating).toBeFalsy();
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(zoomed).toBe('ok');
expect(rotated).toBe('ok');
expect(pitched).toBe('ok');
expect(rolled).toBe('ok');
expect(moveResult.data).toBe('ok');
const zoomResult = await zoomPromise;
expect(zoomstarted).toBe('ok');
expect(zoomed).toBe('ok');
expect(zoomResult.data).toBe('ok');
const rotateResult = await rotatePromise;
expect(rotatestarted).toBe('ok');
expect(rotated).toBe('ok');
expect(rotateResult.data).toBe('ok');
const pitchResult = await pitchPromise;
expect(pitchstarted).toBe('ok');
expect(pitched).toBe('ok');
expect(pitchResult.data).toBe('ok');
const rollResult = await rollPromise;
expect(rollstarted).toBe('ok');
expect(rolled).toBe('ok');
expect(rollResult.data).toBe('ok');
});
test('for short flights, emits (solely) move events, preserving eventData', async () => {
//As I type this, the code path for guiding super-short flights is (and will probably remain) different.
//As such; it deserves a separate test case. This test case flies the map from A to A.
const camera = createCamera({center: [100, 0]});
let movestarted, moved,
zoomstarted, zoomed, zoomended,
rotatestarted, rotated, rotateended,
pitchstarted, pitched, pitchended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
camera.on('zoomend', (d) => { zoomended = d.data; });
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('rotateend', (d) => { rotateended = d.data; });
camera.on('pitchstart', (d) => { pitchstarted = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('pitchend', (d) => { pitchended = d.data; });
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], duration: 10}, eventData);
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
const d = await promise;
expect(camera._zooming).toBeFalsy();
expect(camera._rotating).toBeFalsy();
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(zoomstarted).toBeUndefined();
expect(zoomed).toBeUndefined();
expect(zoomended).toBeUndefined();
expect(rotatestarted).toBeUndefined();
expect(rotated).toBeUndefined();
expect(rotateended).toBeUndefined();
expect(pitched).toBeUndefined();
expect(pitchstarted).toBeUndefined();
expect(pitchended).toBeUndefined();
expect(d.data).toBe('ok');
});
test('stops existing ease', () => {
const camera = createCamera();
camera.flyTo({center: [200, 0], duration: 100});
camera.flyTo({center: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
});
test('no roll when motion is interrupted', () => {
const stub = vi.spyOn(timeControl, 'now');
const camera = createCamera();
stub.mockImplementation(() => 0);
camera.easeTo({pitch: 10, bearing: 100, duration: 1000});
stub.mockImplementation(() => 100);
camera.simulateFrame();
camera.easeTo({elevation: 1, duration: 0});
expect(camera.getRoll()).toBe(0);
});
test('no roll when motion is interrupted: globe', () => {
const stub = vi.spyOn(timeControl, 'now');
const camera = createCameraGlobe();
stub.mockImplementation(() => 0);
camera.easeTo({pitch: 10, bearing: 100, duration: 1000});
stub.mockImplementation(() => 100);
camera.simulateFrame();
camera.easeTo({elevation: 1, duration: 0});
expect(camera.getRoll()).toBe(0);
});
test('angles when motion is interrupted', () => {
const stub = vi.spyOn(timeControl, 'now');
const camera = createCamera();
stub.mockImplementation(() => 0);
camera.easeTo({pitch: 10, bearing: 20, roll: 30, duration: 1000});
stub.mockImplementation(() => 500);
camera.simulateFrame();
camera.easeTo({elevation: 1, duration: 0});
expect(camera.getRoll()).toBeCloseTo(25.041890412598942);
expect(camera.getPitch()).toBeCloseTo(8.116189398053095);
expect(camera.getBearing()).toBeCloseTo(15.041890412599061);
});
test('angles when motion is interrupted: globe', () => {
const stub = vi.spyOn(timeControl, 'now');
const camera = createCameraGlobe();
stub.mockImplementation(() => 0);
camera.easeTo({pitch: 10, bearing: 20, roll: 30, duration: 1000});
stub.mockImplementation(() => 500);
camera.simulateFrame();
camera.easeTo({elevation: 1, duration: 0});
expect(camera.getRoll()).toBeCloseTo(25.041890412598942);
expect(camera.getPitch()).toBeCloseTo(8.116189398053095);
expect(camera.getBearing()).toBeCloseTo(15.041890412599061);
});
test('can be called from within a moveend event handler', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], duration: 10});
let promise = camera.once('moveend');
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 30);
camera.simulateFrame();
}, 0);
}, 0);
}, 0);
await promise;
camera.flyTo({center: [200, 0], duration: 10});
promise = camera.once('moveend');
await promise;
camera.flyTo({center: [300, 0], duration: 10});
await camera.once('moveend');
});
test('ascends', async () => {
const camera = createCamera();
camera.setZoom(18);
let ascended;
camera.on('zoom', () => {
if (camera.getZoom() < 18) {
ascended = true;
}
});
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], zoom: 18, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(ascended).toBeTruthy();
});
test('pans eastward across the prime meridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-10, 0]);
let crossedPrimeMeridian;
camera.on('move', () => {
if (Math.abs(camera.getCenter().lng) < 10) {
crossedPrimeMeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [10, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedPrimeMeridian).toBeTruthy();
});
test('pans westward across the prime meridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([10, 0]);
let crossedPrimeMeridian;
camera.on('move', () => {
if (Math.abs(camera.getCenter().lng) < 10) {
crossedPrimeMeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-10, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedPrimeMeridian).toBeTruthy();
});
test('pans eastward across the antimeridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-170, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('pans westward across the antimeridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('does not pan eastward across the antimeridian if no world copies', async () => {
const camera = createCamera({renderWorldCopies: false});
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeFalsy();
});
test('does not pan westward across the antimeridian if no world copies', async () => {
const camera = createCamera({renderWorldCopies: false});
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (fixedLngLat(camera.getCenter(), 10).lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeFalsy();
});
test('jumps back to world 0 when crossing the antimeridian', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let leftWorld0 = false;
camera.on('move', () => {
leftWorld0 = leftWorld0 || (camera.getCenter().lng < -180);
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(leftWorld0).toBeFalsy();
});
test('peaks at the specified zoom level', async () => {
const camera = createCamera({zoom: 20});
const stub = vi.spyOn(timeControl, 'now');
const minZoom = 1;
let zoomed = false;
camera.on('zoom', () => {
const zoom = camera.getZoom();
if (zoom < 1) {
throw new Error(`${zoom} should be >= ${minZoom} during flyTo`);
}
if (camera.getZoom() < (minZoom + 1)) {
zoomed = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [1, 0], zoom: 20, minZoom, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 3);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(zoomed).toBeTruthy();
});
test('respects transform\'s maxZoom', async () => {
const transform = new MercatorTransform({minZoom: 2, maxZoom: 10, minPitch: 0, maxPitch: 60, renderWorldCopies: false});
transform.resize(512, 512);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any));
camera._update = () => {};
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [12, 34], zoom: 30, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.getZoom()).toBeCloseTo(10);
const {lng, lat} = camera.getCenter();
expect(lng).toBeCloseTo(12);
expect(lat).toBeCloseTo(34);
});
test('respects transform\'s minZoom', async () => {
const transform = new MercatorTransform({minZoom: 2, maxZoom: 10, minPitch: 0, maxPitch: 60, renderWorldCopies: false});
transform.resize(512, 512);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any));
camera._update = () => {};
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [12, 34], zoom: 1, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.getZoom()).toBeCloseTo(2);
const {lng, lat} = camera.getCenter();
expect(lng).toBeCloseTo(12);
expect(lat).toBeCloseTo(34);
});
test('resets duration to 0 if it exceeds maxDuration', async () => {
let startTime: number;
const camera = createCamera({center: [37.63454, 55.75868], zoom: 18});
camera.on('movestart', () => { startTime = new Date().getTime(); });
const promise = camera.once('moveend');
camera.flyTo({center: [-122.3998631, 37.7884307], maxDuration: 100});
await promise;
const endTime = new Date().getTime();
const timeDiff = endTime - startTime;
expect(timeDiff).toBeLessThan(30);
});
test('flys instantly when prefers-reduce-motion:reduce is set', async () => {
const camera = createCamera();
Object.defineProperty(browser, 'prefersReducedMotion', {value: true});
let startTime;
camera.on('movestart', () => { startTime = new Date(); });
const promise = camera.once('moveend');
camera.flyTo({center: [100, 0], bearing: 90, animate: true});
await promise;
const endTime = new Date();
const timeDiff = endTime.getTime() - startTime.getTime();
expect(timeDiff >= 0 && timeDiff < 10).toBeTruthy();
});
test('applies the padding option when prefers-reduce-motion:reduce is set', async () => {
const camera = createCamera();
Object.defineProperty(browser, 'prefersReducedMotion', {value: true});
camera.flyTo({padding: {top: 50, right: 30}});
expect(camera.getPadding()).toEqual({top: 50, bottom: 0, left: 0, right: 30});
});
test('check elevation events freezeElevation=false', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
const terrainCallbacks = {prepare: 0, update: 0, finalize: 0} as any;
camera.terrain = {} as Terrain;
camera._prepareElevation = () => { terrainCallbacks.prepare++; };
camera._updateElevation = () => { terrainCallbacks.update++; };
camera._finalizeElevation = () => { terrainCallbacks.finalize++; };
camera.setCenter([-10, 0]);
const moveEnded = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [10, 0], duration: 20, freezeElevation: false});
stub.mockImplementation(() => 1);
camera.simulateFrame();
stub.mockImplementation(() => 20);
camera.simulateFrame();
await moveEnded;
expect(terrainCallbacks.prepare).toBe(1);
expect(terrainCallbacks.update).toBe(2);
expect(terrainCallbacks.finalize).toBe(0);
});
test('check elevation events freezeElevation=true', async() => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
const terrainCallbacks = {prepare: 0, update: 0, finalize: 0} as any;
camera.terrain = {} as Terrain;
camera._prepareElevation = () => { terrainCallbacks.prepare++; };
camera._updateElevation = () => { terrainCallbacks.update++; };
camera._finalizeElevation = () => { terrainCallbacks.finalize++; };
camera.setCenter([-10, 0]);
const moveEnded = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [10, 0], duration: 20, freezeElevation: true});
stub.mockImplementation(() => 1);
camera.simulateFrame();
stub.mockImplementation(() => 20);
camera.simulateFrame();
await moveEnded;
expect(terrainCallbacks.prepare).toBe(1);
expect(terrainCallbacks.update).toBe(0);
expect(terrainCallbacks.finalize).toBe(1);
});
test('check elevation callbacks', () => {
const camera = createCamera();
camera.terrain = {
getElevationForLngLatZoom: () => 100,
getMinTileElevationForLngLatZoom: () => 200
} as any;
camera.transform = {
elevation: 0,
recalculateZoomAndCenter: () => true,
setMinElevationForCurrentTile: (_a) => true,
setElevation: (e) => { (camera.transform as any).elevation = e; }
} as any;
camera._prepareElevation(new LngLat(10, 0));
// expect(camera._elevationCenter).toBe([10, 0]);
expect(camera._elevationStart).toBe(0);
expect(camera._elevationTarget).toBe(100);
expect(camera._elevationFreeze).toBeTruthy();
camera.terrain.getElevationForLngLatZoom = () => 200;
camera._updateElevation(0.5);
expect(camera._elevationStart).toBe(-100);
expect(camera._elevationTarget).toBe(200);
camera._finalizeElevation();
expect(camera._elevationFreeze).toBeFalsy();
});
});
describe('isEasing', () => {
test('returns false when not easing', () => {
const camera = createCamera();
expect(!camera.isEasing()).toBeTruthy();
});
test('returns true when panning', () => {
const camera = createCamera();
camera.panTo([100, 0], {duration: 1});
expect(camera.isEasing()).toBeTruthy();
});
test('returns false when done panning', async () => {
const camera = createCamera();
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.panTo([100, 0], {duration: 1});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.isEasing()).toBeFalsy();
});
test('returns true when zooming', () => {
const camera = createCamera();
camera.zoomTo(3.2, {duration: 1});
expect(camera.isEasing()).toBeTruthy();
});
test('returns false when done zooming', async () => {
const camera = createCamera();
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.zoomTo(3.2, {duration: 1});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.isEasing()).toBeFalsy();
});
test('returns true when rotating', () => {
const camera = createCamera();
camera.rotateTo(90, {duration: 1});
expect(camera.isEasing()).toBeTruthy();
});
test('returns false when done rotating', async () => {
const camera = createCamera();
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.rotateTo(90, {duration: 1});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.isEasing()).toBeFalsy();
});
});
describe('stop', () => {
test('resets camera._zooming', () => {
const camera = createCamera();
camera.zoomTo(3.2);
camera.stop();
expect(!camera._zooming).toBeTruthy();
});
test('resets camera._rotating', () => {
const camera = createCamera();
camera.rotateTo(90);
camera.stop();
expect(!camera._rotating).toBeTruthy();
});
test('emits moveend if panning, preserving eventData', async () => {
const camera = createCamera();
const eventData = {data: 'ok'};
const promise = camera.once('moveend');
camera.panTo([100, 0], {}, eventData);
camera.stop();
const d = await promise;
expect(d.data).toBe('ok');
});
test('emits moveend if zooming, preserving eventData', async () => {
const camera = createCamera();
const eventData = {data: 'ok'};
const promise = camera.once('moveend');
camera.zoomTo(3.2, {}, eventData);
camera.stop();
const d = await promise;
expect(d.data).toBe('ok');
});
test('emits moveend if rotating, preserving eventData', async () => {
const camera = createCamera();
const eventData = {data: 'ok'};
const promise = camera.once('moveend');
camera.rotateTo(90, {}, eventData);
camera.stop();
const d = await promise;
expect(d.data).toBe('ok');
});
test('does not emit moveend if not moving', async () => {
const camera = createCamera();
const eventData = {data: 'ok'};
const promise = camera.once('moveend');
const spy = vi.fn();
camera.on('moveend', spy);
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.panTo([100, 0], {duration: 1}, eventData);
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
}, 0);
const d = await promise;
expect(d.data).toBe('ok');
camera.stop();
expect(spy).toHaveBeenCalledTimes(1);
});
});
describe('cameraForBounds', () => {
test('no options passed', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb);
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(transform.zoom, 3)).toBe(2.469);
});
test('bearing positive number', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {bearing: 175});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(transform.zoom, 3)).toBe(2.396);
expect(transform.bearing).toBe(175);
});
test('bearing negative number', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {bearing: -30});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(transform.zoom, 3)).toBe(2.222);
expect(transform.bearing).toBe(-30);
});
test('padding number', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {padding: 15});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(transform.zoom, 3)).toBe(2.382);
});
test('padding object', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {padding: {top: 15, right: 15, bottom: 15, left: 15}});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 34.7171});
});
test('asymmetrical padding', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -96.5558, lat: 32.0833});
});
test('bearing and asymmetrical padding', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {bearing: 90, padding: {top: 10, right: 75, bottom: 50, left: 25}});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -103.3761, lat: 31.7099});
});
test('offset', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {offset: [0, 100]});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -100.5, lat: 44.4717});
});
test('offset and padding', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}, offset: [0, 100]});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -96.5558, lat: 44.4189});
});
test('bearing, asymmetrical padding, and offset', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
const transform = camera.cameraForBounds(bb, {bearing: 90, padding: {top: 10, right: 75, bottom: 50, left: 25}, offset: [0, 100]});
expect(fixedLngLat(transform.center, 4)).toEqual({lng: -103.3761, lat: 43.0929});
});
test('asymmetrical transform using LngLatBounds instance', () => {
const transform = new MercatorTransform({minZoom: 2, maxZoom: 10, minPitch: 0, maxPitch: 60, renderWorldCopies: false});
transform.resize(2048, 512);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any));
camera._update = () => {};
const bb = new LngLatBounds();
bb.extend([-66.9326, 49.5904]);
bb.extend([-125.0011, 24.9493]);
const rotatedTransform = camera.cameraForBounds(bb, {bearing: 45});
expect(fixedLngLat(rotatedTransform.center, 4)).toEqual({lng: -95.9669, lat: 38.3048});
expect(fixedNum(rotatedTransform.zoom, 3)).toBe(2.507);
expect(rotatedTransform.bearing).toBe(45);
});
});
describe('fitBounds', () => {
test('no padding passed', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(camera.getZoom(), 3)).toBe(2.469);
});
test('padding number', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: 15, duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(camera.getZoom(), 3)).toBe(2.382);
});
test('padding object', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}, duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -96.5558, lat: 32.0833});
});
test('padding does not get propagated to transform.padding', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}, duration: 0});
const padding = camera.transform.padding;
expect(padding).toEqual({
left: 0,
right: 0,
top: 0,
bottom: 0
});
});
test('fiji (crossing antimeridian)', () => {
const camera = createCamera();
const bb = [[175.813127, -20.157768], [-178.340903, -15.449124]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: 178.7361, lat: -17.819});
expect(fixedNum(camera.getZoom(), 3)).toBe(5.944);
});
test('not crossing antimeridian', () => {
const camera = createCamera();
const bb = [[-10, -10], [10, 10]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: 0, lat: 0});
expect(fixedNum(camera.getZoom(), 3)).toBe(4.163);
});
});
describe('fitScreenCoordinates', () => {
test('bearing 225', () => {
const camera = createCamera();
const p0 = [128, 128] as PointLike;
const p1 = [256, 256] as PointLike;
const bearing = 225;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -45, lat: 40.9799});
expect(fixedNum(camera.getZoom(), 3)).toBe(1.5);
expect(camera.getBearing()).toBe(-135);
});
test('bearing 0', () => {
const camera = createCamera();
const p0 = [128, 128] as PointLike;
const p1 = [256, 256] as PointLike;
const bearing = 0;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -45, lat: 40.9799});
expect(fixedNum(camera.getZoom(), 3)).toBe(2);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('inverted points', () => {
const camera = createCamera();
const p1 = [128, 128] as PointLike;
const p0 = [256, 256] as PointLike;
const bearing = 0;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -45, lat: 40.9799});
expect(fixedNum(camera.getZoom(), 3)).toBe(2);
expect(camera.getBearing()).toBeCloseTo(0);
});
});
describe('queryTerrainElevation', () => {
let camera: Camera;
beforeEach(() => {
camera = createCamera();
});
test('should return null if terrain is not set', () => {
camera.terrain = null;
const result = camera.queryTerrainElevation([0, 0]);
expect(result).toBeNull();
});
test('Calls getElevationForLngLatZoom with correct arguments', () => {
const getElevationForLngLatZoom = vi.fn();
camera.terrain = {getElevationForLngLatZoom} as any as Terrain;
camera.transform = new MercatorTransform({minZoom: 0, maxZoom: 22, minPitch: 0, maxPitch: 60, renderWorldCopies: true});
camera.queryTerrainElevation([1, 2]);
expect(camera.terrain.getElevationForLngLatZoom).toHaveBeenCalledWith(
expect.objectContaining({lng: 1, lat: 2,}),
camera.transform.tileZoom
);
});
});
describe('transformCameraUpdate', () => {
test('invoke transformCameraUpdate callback during jumpTo', async () => {
const camera = createCamera();
let callbackCount = 0;
let eventCount = 0;
camera.transformCameraUpdate = () => {
callbackCount++;
return {};
};
camera.on('move', () => {
eventCount++;
expect(eventCount).toBe(callbackCount);
});
const promise = camera.once('moveend');
camera.jumpTo({center: [100, 0]});
await promise;
});
test('invoke transformCameraUpdate callback during easeTo', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
let callbackCount = 0;
let eventCount = 0;
camera.transformCameraUpdate = () => {
callbackCount++;
return {};
};
camera.on('move', () => {
eventCount++;
expect(eventCount).toBe(callbackCount);
});
const promise = camera.once('moveend');
camera.easeTo({center: [100, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
});
test('invoke transformCameraUpdate callback during flyTo', async () => {
const camera = createCamera();
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
let callbackCount = 0;
let eventCount = 0;
camera.transformCameraUpdate = () => {
callbackCount++;
return {};
};
camera.on('move', () => {
eventCount++;
expect(eventCount).toBe(callbackCount);
});
const promise = camera.once('moveend');
camera.flyTo({center: [100, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
});
test('transformCameraUpdate overrides proposed camera settings', () => {
const camera = createCamera();
camera.transformCameraUpdate = ({center, zoom}) => {
return {
center: LngLat.convert([center.lng, center.lat + 10]),
zoom: Math.round(zoom)
};
};
camera.flyTo({center: [100, 0], zoom: 3.2, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 10});
expect(fixedNum(camera.getZoom())).toBe(3);
});
});
test('createCameraGlobe returns a globe camera', () => {
const camera = createCameraGlobe();
expect(camera.cameraHelper.useGlobeControls).toBeTruthy();
});
describe('jumpTo globe projection', () => {
describe('globe specific behavior', () => {
let camera;
beforeEach(() => {
camera = createCameraGlobe({zoom: 1});
});
test('changing center with no zoom specified should adjusts zoom', () => {
camera.jumpTo({center: [0, 40]});
expect(camera.getCenter()).toEqual({lng: 0, lat: 40});
expect(camera.getZoom()).toBe(0.6154999996223638);
});
test('changing center with zoom specified should not adjusts zoom', () => {
camera.jumpTo({center: [0, 40], zoom: 3});
expect(camera.getCenter()).toEqual({lng: 0, lat: 40});
expect(camera.getZoom()).toBe(3);
});
});
describe('mercator test equivalents', () => {
// Modifications to this camera from one test should carry over to later tests
const camera = createCameraGlobe({zoom: 1});
test('sets center', () => {
camera.jumpTo({center: [1, 2]});
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
});
test('throws on invalid center argument', () => {
expect(() => {
camera.jumpTo({center: 1 as any});
}).toThrow(Error);
});
test('keeps current center if not specified', () => {
camera.jumpTo({});
expect(camera.getCenter()).toEqual({lng: 1, lat: 2});
});
test('sets zoom', () => {
camera.jumpTo({zoom: 3});
expect(camera.getZoom()).toBe(3);
});
test('keeps current zoom if not specified', () => {
camera.jumpTo({});
expect(camera.getZoom()).toBe(3);
});
test('sets bearing', () => {
camera.jumpTo({bearing: 4});
expect(camera.getBearing()).toBe(4);
});
test('keeps current bearing if not specified', () => {
camera.jumpTo({});
expect(camera.getBearing()).toBe(4);
});
test('sets pitch', () => {
camera.jumpTo({pitch: 45});
expect(camera.getPitch()).toBe(45);
});
test('keeps current pitch if not specified', () => {
camera.jumpTo({});
expect(camera.getPitch()).toBe(45);
});
test('sets roll', () => {
camera.jumpTo({roll: 45});
expect(camera.getRoll()).toBe(45);
});
test('keeps current roll if not specified', () => {
camera.jumpTo({});
expect(camera.getRoll()).toBe(45);
});
test('sets multiple properties', () => {
camera.jumpTo({
center: [10, 20],
zoom: 10,
bearing: 180,
pitch: 60
});
expect(camera.getCenter()).toEqual({lng: 10, lat: 20});
expect(camera.getZoom()).toBe(10);
expect(camera.getBearing()).toBe(180);
expect(camera.getPitch()).toBe(60);
});
test('emits move events, preserving eventData', () => {
let started, moved, ended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { started = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('moveend', (d) => { ended = d.data; });
camera.jumpTo({center: [1, 2]}, eventData);
expect(started).toBe('ok');
expect(moved).toBe('ok');
expect(ended).toBe('ok');
});
test('emits zoom events, preserving eventData', () => {
let started, zoomed, ended;
const eventData = {data: 'ok'};
camera.on('zoomstart', (d) => { started = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
camera.on('zoomend', (d) => { ended = d.data; });
camera.jumpTo({zoom: 3}, eventData);
expect(started).toBe('ok');
expect(zoomed).toBe('ok');
expect(ended).toBe('ok');
});
test('emits rotate events, preserving eventData', () => {
let started, rotated, ended;
const eventData = {data: 'ok'};
camera.on('rotatestart', (d) => { started = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('rotateend', (d) => { ended = d.data; });
camera.jumpTo({bearing: 90}, eventData);
expect(started).toBe('ok');
expect(rotated).toBe('ok');
expect(ended).toBe('ok');
});
test('emits pitch events, preserving eventData', () => {
let started, pitched, ended;
const eventData = {data: 'ok'};
camera.on('pitchstart', (d) => { started = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('pitchend', (d) => { ended = d.data; });
camera.jumpTo({pitch: 10}, eventData);
expect(started).toBe('ok');
expect(pitched).toBe('ok');
expect(ended).toBe('ok');
});
test('cancels in-progress easing', () => {
camera.panTo([3, 4]);
expect(camera.isEasing()).toBeTruthy();
camera.jumpTo({center: [1, 2]});
expect(!camera.isEasing()).toBeTruthy();
});
});
});
describe('easeTo globe projection', () => {
describe('globe specific behavior', () => {
let camera;
beforeEach(() => {
camera = createCameraGlobe({zoom: 1});
});
test('changing center with no zoom specified should adjusts zoom', () => {
camera.easeTo({center: [0, 40], duration: 0});
expect(camera.getCenter()).toEqual({lng: 0, lat: 40});
expect(camera.getZoom()).toBe(0.6154999996223638);
});
test('changing center with zoom specified should not adjusts zoom', () => {
camera.easeTo({center: [0, 40], zoom: 3, duration: 0});
expect(camera.getCenter()).toEqual({lng: 0, lat: 40});
expect(camera.getZoom()).toBe(3);
});
});
describe('mercator test equivalents', () => {
test('pans to specified location', () => {
const camera = createCameraGlobe();
camera.easeTo({center: [100, 0], duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('zooms to specified level', () => {
const camera = createCameraGlobe();
camera.easeTo({zoom: 3.2, duration: 0});
expect(camera.getZoom()).toBe(3.2);
});
test('rotates to specified bearing', () => {
const camera = createCameraGlobe();
camera.easeTo({bearing: 90, duration: 0});
expect(camera.getBearing()).toBe(90);
});
test('pitches to specified pitch', () => {
const camera = createCameraGlobe();
camera.easeTo({pitch: 45, duration: 0});
expect(camera.getPitch()).toBe(45);
});
test('rolls to specified roll', () => {
const camera = createCameraGlobe();
camera.easeTo({pitch: 1, roll: 45, duration: 0});
expect(camera.getPitch()).toBeCloseTo(1, 6);
expect(camera.getRoll()).toBeCloseTo(45, 6);
});
test('roll behavior at Euler angle singularity', () => {
const camera = createCameraGlobe();
camera.easeTo({bearing: 0, pitch: 0, roll: 45, duration: 0});
expect(camera.getRoll()).toBeCloseTo(45, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(0, 6);
});
test('bearing behavior at Euler angle singularity', () => {
const camera = createCameraGlobe();
camera.easeTo({bearing: 45, pitch: 0, roll: 0, duration: 0});
expect(camera.getRoll()).toBeCloseTo(0, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(45, 6);
});
test('pans and zooms', () => {
const camera = createCameraGlobe();
camera.easeTo({center: [100, 0], zoom: 3.2, duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 100, lat: 0}));
expect(camera.getZoom()).toBe(3.2);
});
test('pans and rotates', () => {
const camera = createCameraGlobe();
camera.easeTo({center: [100, 0], bearing: 90, duration: 0});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
expect(camera.getBearing()).toBe(90);
});
test('immediately sets padding with duration = 0', () => {
const camera = createCameraGlobe();
camera.easeTo({center: [100, 0], duration: 0, padding: {left: 100}});
expect(camera.getPadding()).toEqual({
bottom: 0,
left: 100,
right: 0,
top: 0,
});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('smoothly sets given padding with duration > 0', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.easeTo({center: [100, 0], duration: 100, padding: {left: 100}});
stub.mockImplementation(() => 50);
camera.simulateFrame();
const padding = camera.getPadding();
expect(padding.bottom).toBe(0);
expect(padding.left).toBeCloseTo(80.2403, 4);
expect(padding.right).toBe(0);
expect(padding.top).toBe(0);
stub.mockImplementation(() => 100);
camera.simulateFrame();
await promise;
expect(camera.getPadding()).toEqual({
bottom: 0,
left: 100,
right: 0,
top: 0,
});
expect(camera.getCenter()).toEqual({lng: 100, lat: 0});
});
test('zooms and rotates', () => {
const camera = createCameraGlobe();
camera.easeTo({zoom: 3.2, bearing: 90, duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('pans, zooms, and rotates', () => {
const camera = createCameraGlobe({bearing: -90});
camera.easeTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 100, lat: 0}));
expect(camera.getZoom()).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('noop', () => {
const camera = createCameraGlobe();
camera.easeTo({duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
// The behavior of "offset" differs from mercator because mercator doesn't follow the docs
// that offset should be relative to the *target* map state, not *starting* map state.
// Globe does follow the docs for now.
test('noop with offset', () => {
const camera = createCameraGlobe();
camera.easeTo({offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: -84.49542091, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('pans with specified offset', () => {
const camera = createCameraGlobe();
camera.easeTo({center: [100, 0], offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 15.50457909, lat: 0});
});
test('pans with specified offset relative to viewport on a rotated camera', () => {
const camera = createCameraGlobe({bearing: 180});
camera.easeTo({center: [100, 0], offset: [100, 0], duration: 0});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: -175.50457909, lat: 0});
});
test('offset computed from inertia (small) does not cross horizon when pitched', () => {
const camera = createCameraGlobe({pitch: 85, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 100), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('offset computed from inertia (large) does not cross horizon when pitched', () => {
const camera = createCameraGlobe({pitch: 85, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 500), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('offset computed from inertia (large) does not cross horizon when pitched and rotated', () => {
const camera = createCameraGlobe({pitch: 85, bearing: 135, zoom: 10});
const easeOptions = camera.cameraHelper.handlePanInertia(new Point(0, 500), camera.transform);
expect(easeOptions.easingOffset.mag()).toBeLessThan(Math.abs(getMercatorHorizon(camera.transform)));
});
test('zooms with specified offset', () => {
const camera = createCameraGlobe();
camera.easeTo({zoom: 3.2, offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: -7.742888378, lat: 0}));
});
test('zooms with specified offset relative to viewport on a rotated camera', () => {
const camera = createCameraGlobe({bearing: 180});
camera.easeTo({zoom: 3.2, offset: [100, 0], duration: 0});
expect(camera.getZoom()).toBe(3.2);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 7.742888378, lat: 0}));
});
test('rotates with specified offset', () => {
const camera = createCameraGlobe();
camera.easeTo({bearing: 90, offset: [100, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 0, lat: 84.49542091}));
});
test('rotates with specified offset relative to viewport on a rotated camera', () => {
const camera = createCameraGlobe({bearing: 180});
camera.easeTo({bearing: 90, offset: [100, 0], duration: 0});
expect(camera.getBearing()).toBe(90);
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat({lng: 0, lat: 84.49542091}));
});
test('emits zoom events if changing latitude but not zooming', async () => {
const camera = createCameraGlobe();
const zoomstart = vi.fn();
const zoom = vi.fn();
const zoomend = vi.fn();
camera.on('zoomstart', zoomstart);
camera.on('zoom', zoom);
camera.on('zoomend', zoomend);
const promise = camera.once('moveend');
camera.easeTo({center: [0, 20], duration: 0});
await promise;
expect(zoomstart).toHaveBeenCalled();
expect(zoom).toHaveBeenCalled();
expect(zoomend).toHaveBeenCalled();
});
test('does not emit zoom events if not changing latitude and not zooming', async () => {
const camera = createCameraGlobe();
const spy = vi.fn();
camera.on('zoomstart', spy);
camera.on('zoom', spy);
camera.on('zoomend', spy);
const promise = camera.once('moveend');
camera.easeTo({center: [100, 0], duration: 0});
await promise;
expect(spy).not.toHaveBeenCalled();
});
test('pans eastward across the antimeridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.easeTo({center: [-170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('does pan eastward across the antimeridian on a renderWorldCopies: false map if globe is enabled', async () => {
const camera = createCameraGlobe({renderWorldCopies: false, zoom: 2});
camera.setCenter([170, 0]);
const promise = camera.once('moveend');
camera.easeTo({center: [210, 0], duration: 0});
await promise;
expect(camera.getCenter().lng).toBeCloseTo(-150, 0);
});
test('pans westward across the antimeridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.easeTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('does pan westward across the antimeridian on a renderWorldCopies: false map if globe is enabled', async () => {
const camera = createCameraGlobe({renderWorldCopies: false, zoom: 2});
camera.setCenter([-170, 0]);
const promise = camera.once('moveend');
camera.easeTo({center: [-210, 0], duration: 0});
await promise;
expect(camera.getCenter().lng).toBeCloseTo(150, 0);
});
});
});
describe('flyTo globe projection', () => {
describe('globe specific behavior', () => {
let camera;
beforeEach(() => {
camera = createCameraGlobe({zoom: 1});
});
test('changing center with no zoom specified should adjusts zoom', () => {
camera.flyTo({center: [0, 40], animate: false});
expect(camera.getCenter().lng).toBeCloseTo(0, 9);
expect(camera.getCenter().lat).toBeCloseTo(40, 9);
expect(camera.getZoom()).toBe(0.6154999996223638);
});
test('changing center with zoom specified should not adjusts zoom', () => {
camera.flyTo({center: [0, 40], zoom: 3, animate: false});
expect(camera.getCenter().lng).toBeCloseTo(0, 9);
expect(camera.getCenter().lat).toBeCloseTo(40, 9);
expect(camera.getZoom()).toBe(3);
});
});
describe('mercator test equivalents', () => {
test('pans to specified location', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], animate: false});
expect(camera.getCenter().lng).toBeCloseTo(100, 9);
expect(camera.getCenter().lat).toBeCloseTo(0, 9);
});
test('throws on invalid center argument', () => {
const camera = createCameraGlobe();
expect(() => {
camera.flyTo({center: 1 as any});
}).toThrow(Error);
});
test('does not throw when cameras current zoom is sufficiently greater than passed zoom option', () => {
const camera = createCameraGlobe({zoom: 22, center: [0, 0]});
expect(() => camera.flyTo({zoom: 10, center: [0, 0]})).not.toThrow();
});
test('zooms to specified level', () => {
const camera = createCameraGlobe();
camera.flyTo({zoom: 3.2, animate: false});
expect(fixedNum(camera.getZoom())).toBe(3.2);
});
test('zooms to integer level without floating point errors', () => {
const camera = createCameraGlobe({zoom: 0.6});
camera.flyTo({zoom: 2, animate: false});
expect(camera.getZoom()).toBe(2);
});
test('Zoom out from the same position to the same position with animation', async () => {
const pos = {lng: 0, lat: 0};
const camera = createCameraGlobe({zoom: 20, center: pos});
const stub = vi.spyOn(timeControl, 'now');
const promise = camera.once('zoomend');
stub.mockImplementation(() => 0);
camera.flyTo({zoom: 19, center: pos, duration: 2});
stub.mockImplementation(() => 3);
camera.simulateFrame();
await promise;
expect(fixedLngLat(camera.getCenter())).toEqual(fixedLngLat(pos));
expect(camera.getZoom()).toBe(19);
});
test('rotates to specified bearing', () => {
const camera = createCameraGlobe();
camera.flyTo({bearing: 90, animate: false});
expect(camera.getBearing()).toBe(90);
});
test('tilts to specified pitch', () => {
const camera = createCameraGlobe();
camera.flyTo({pitch: 45, animate: false});
expect(camera.getPitch()).toBe(45);
});
test('rolls to specified roll', () => {
const camera = createCameraGlobe();
camera.flyTo({pitch: 1, roll: 45, animate: false});
expect(camera.getPitch()).toBeCloseTo(1, 6);
expect(camera.getRoll()).toBeCloseTo(45, 6);
});
test('roll behavior at Euler angle singularity', () => {
const camera = createCameraGlobe();
camera.flyTo({bearing: 0, pitch: 0, roll: 45, animate: false});
expect(camera.getRoll()).toBeCloseTo(45, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(0, 6);
});
test('bearing behavior at Euler angle singularity', () => {
const camera = createCameraGlobe();
camera.flyTo({bearing: 45, pitch: 0, roll: 0, animate: false});
expect(camera.getRoll()).toBeCloseTo(0, 6);
expect(camera.getPitch()).toBeCloseTo(0, 6);
expect(camera.getBearing()).toBeCloseTo(45, 6);
});
test('pans and zooms', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], zoom: 3.2, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(fixedNum(camera.getZoom())).toBe(3.2);
});
test('pans and rotates', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], bearing: 90, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(camera.getBearing()).toBe(90);
});
test('immediately sets padding with duration = 0', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], duration: 0, padding: {left: 100}});
expect(camera.getPadding()).toEqual({
bottom: 0,
left: 100,
right: 0,
top: 0,
});
});
test('smoothly sets given padding with duration > 0', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], duration: 100, padding: {left: 100}});
stub.mockImplementation(() => 100);
camera.simulateFrame();
const padding = camera.getPadding();
expect(padding.bottom).toBe(0);
expect(padding.left).toBeCloseTo(100, 4);
expect(padding.right).toBe(0);
expect(padding.top).toBe(0);
stub.mockImplementation(() => 100);
camera.simulateFrame();
await promise;
expect(camera.getPadding()).toEqual({
bottom: 0,
left: 100,
right: 0,
top: 0,
});
});
test('zooms and rotates', () => {
const camera = createCameraGlobe();
camera.flyTo({zoom: 3.2, bearing: 90, animate: false});
expect(fixedNum(camera.getZoom())).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('pans, zooms, and rotates', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], zoom: 3.2, bearing: 90, duration: 0, animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 100, lat: 0});
expect(fixedNum(camera.getZoom())).toBe(3.2);
expect(camera.getBearing()).toBe(90);
});
test('noop', () => {
const camera = createCameraGlobe();
camera.flyTo({animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 0, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
// Globe animations with offset are different from mercator because
// globe animations follow docs, see comment in easeTo globe tests.
test('noop with offset', () => {
const camera = createCameraGlobe();
camera.flyTo({offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 84.49542091, lat: 0});
expect(camera.getZoom()).toBe(0);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('pans with specified offset', () => {
const camera = createCameraGlobe();
camera.flyTo({center: [100, 0], offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: 15.50457909, lat: 0});
});
test('pans with specified offset relative to viewport on a rotated camera', () => {
const camera = createCameraGlobe({bearing: 180});
camera.easeTo({center: [100, 0], offset: [100, 0], animate: false});
expect(fixedLngLat(camera.getCenter())).toEqual({lng: -175.50457909, lat: 0});
});
test('emits move, zoom, rotate, pitch, and roll events, preserving eventData', async () => {
const camera = createCameraGlobe();
let movestarted, moved, zoomstarted, zoomed, rotatestarted, rotated, pitchstarted, pitched, rollstarted, rolled;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
const movePromise = camera.once('moveend');
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
const zoomPromise = camera.once('zoomend');
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
const rotatePromise = camera.once('rotateend');
camera.on('pitchstart', (d) => { pitchstarted = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
const pitchPromise = camera.once('pitchend');
camera.on('rollstart', (d) => { rollstarted = d.data; });
camera.on('roll', (d) => { rolled = d.data; });
const rollPromise = camera.once('rollend');
camera.flyTo(
{center: [100, 0], zoom: 3.2, bearing: 90, duration: 0, pitch: 45, roll: 10, animate: false},
eventData);
const moveResult = await movePromise;
expect(camera._zooming).toBeFalsy();
expect(camera._rotating).toBeFalsy();
expect(camera._pitching).toBeFalsy();
expect(camera._rolling).toBeFalsy();
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(zoomed).toBe('ok');
expect(rotated).toBe('ok');
expect(pitched).toBe('ok');
expect(rolled).toBe('ok');
expect(moveResult.data).toBe('ok');
const zoomResult = await zoomPromise;
expect(zoomstarted).toBe('ok');
expect(zoomed).toBe('ok');
expect(zoomResult.data).toBe('ok');
const rotateResult = await rotatePromise;
expect(rotatestarted).toBe('ok');
expect(rotated).toBe('ok');
expect(rotateResult.data).toBe('ok');
const pitchResult = await pitchPromise;
expect(pitchstarted).toBe('ok');
expect(pitched).toBe('ok');
expect(pitchResult.data).toBe('ok');
const rollResult = await rollPromise;
expect(rollstarted).toBe('ok');
expect(rolled).toBe('ok');
expect(rollResult.data).toBe('ok');
});
test('for short flights, emits (solely) move events, preserving eventData', async () => {
//As I type this, the code path for guiding super-short flights is (and will probably remain) different.
//As such; it deserves a separate test case. This test case flies the map from A to A.
const camera = createCameraGlobe({center: [100, 0]});
let movestarted, moved,
zoomstarted, zoomed, zoomended,
rotatestarted, rotated, rotateended,
pitchstarted, pitched, pitchended;
const eventData = {data: 'ok'};
camera.on('movestart', (d) => { movestarted = d.data; });
camera.on('move', (d) => { moved = d.data; });
camera.on('zoomstart', (d) => { zoomstarted = d.data; });
camera.on('zoom', (d) => { zoomed = d.data; });
camera.on('zoomend', (d) => { zoomended = d.data; });
camera.on('rotatestart', (d) => { rotatestarted = d.data; });
camera.on('rotate', (d) => { rotated = d.data; });
camera.on('rotateend', (d) => { rotateended = d.data; });
camera.on('pitchstart', (d) => { pitchstarted = d.data; });
camera.on('pitch', (d) => { pitched = d.data; });
camera.on('pitchend', (d) => { pitchended = d.data; });
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], duration: 10}, eventData);
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
const d = await promise;
expect(camera._zooming).toBeFalsy();
expect(camera._rotating).toBeFalsy();
expect(movestarted).toBe('ok');
expect(moved).toBe('ok');
expect(zoomstarted).toBeUndefined();
expect(zoomed).toBeUndefined();
expect(zoomended).toBeUndefined();
expect(rotatestarted).toBeUndefined();
expect(rotated).toBeUndefined();
expect(rotateended).toBeUndefined();
expect(pitched).toBeUndefined();
expect(pitchstarted).toBeUndefined();
expect(pitchended).toBeUndefined();
expect(d.data).toBe('ok');
});
test('ascends', async () => {
const camera = createCameraGlobe();
camera.setZoom(18);
let ascended;
const normalizedStartZoom = camera.getZoom() + getZoomAdjustment(camera.getCenter().lat, 0);
camera.on('zoom', () => {
const normalizedZoom = camera.getZoom() + getZoomAdjustment(camera.getCenter().lat, 0);
if (normalizedZoom < normalizedStartZoom) {
ascended = true;
}
});
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [100, 0], zoom: 18, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(ascended).toBeTruthy();
});
test('pans eastward across the prime meridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-10, 0]);
let crossedPrimeMeridian;
camera.on('move', () => {
if (Math.abs(camera.getCenter().lng) < 10) {
crossedPrimeMeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [10, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedPrimeMeridian).toBeTruthy();
});
test('pans westward across the prime meridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([10, 0]);
let crossedPrimeMeridian;
camera.on('move', () => {
if (Math.abs(camera.getCenter().lng) < 10) {
crossedPrimeMeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-10, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedPrimeMeridian).toBeTruthy();
});
test('pans eastward across the antimeridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-170, 0], duration: 20});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 20);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('pans westward across the antimeridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('pans eastward across the antimeridian even if renderWorldCopies: false', async () => {
const camera = createCameraGlobe({renderWorldCopies: false});
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (camera.getCenter().lng > 170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [-170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('pans westward across the antimeridian even if renderWorldCopies: false', async () => {
const camera = createCameraGlobe({renderWorldCopies: false});
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let crossedAntimeridian;
camera.on('move', () => {
if (fixedLngLat(camera.getCenter(), 10).lng < -170) {
crossedAntimeridian = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(crossedAntimeridian).toBeTruthy();
});
test('jumps back to world 0 when crossing the antimeridian', async () => {
const camera = createCameraGlobe();
const stub = vi.spyOn(timeControl, 'now');
camera.setCenter([-170, 0]);
let leftWorld0 = false;
camera.on('move', () => {
leftWorld0 = leftWorld0 || (camera.getCenter().lng < -180);
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [170, 0], duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 1);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(leftWorld0).toBeFalsy();
});
test('peaks at the specified zoom level', async () => {
const camera = createCameraGlobe({zoom: 20});
const stub = vi.spyOn(timeControl, 'now');
const minZoom = 1;
let zoomed = false;
let leastZoom = 200;
camera.on('zoom', () => {
const zoom = camera.getZoom();
if (zoom < 1) {
throw new Error(`${zoom} should be >= ${minZoom} during flyTo`);
}
leastZoom = Math.min(leastZoom, zoom);
if (zoom < (minZoom + 1)) {
zoomed = true;
}
});
const promise = camera.once('moveend');
stub.mockImplementation(() => 0);
camera.flyTo({center: [1, 0], zoom: 20, minZoom, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 3);
camera.simulateFrame();
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
}, 0);
await promise;
expect(zoomed).toBeTruthy();
});
test('respects transform\'s maxZoom', async () => {
const camera = createCameraGlobe();
camera.transform.setMinZoom(2);
camera.transform.setMaxZoom(10);
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: [12, 34], zoom: 30, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.getZoom()).toBeCloseTo(10);
const {lng, lat} = camera.getCenter();
expect(lng).toBeCloseTo(12);
expect(lat).toBeCloseTo(34);
});
test('respects transform\'s minZoom', async () => {
const transform = createCameraGlobe().transform;
transform.setMinZoom(2);
transform.setMaxZoom(10);
const camera = attachSimulateFrame(new CameraMock(transform, new MercatorCameraHelper(), {} as any));
camera._update = () => {};
const start = camera.getCenter();
const target = new LngLat(12, 34);
const promise = camera.once('moveend');
const stub = vi.spyOn(timeControl, 'now');
stub.mockImplementation(() => 0);
camera.flyTo({center: target, zoom: 1, duration: 10});
setTimeout(() => {
stub.mockImplementation(() => 10);
camera.simulateFrame();
}, 0);
await promise;
expect(camera.getZoom()).toBeCloseTo(2 + getZoomAdjustment(start.lat, target.lat));
const {lng, lat} = camera.getCenter();
expect(lng).toBeCloseTo(12);
expect(lat).toBeCloseTo(34);
});
test('resets duration to 0 if it exceeds maxDuration', async () => {
let startTime: number;
const camera = createCameraGlobe({center: [37.63454, 55.75868], zoom: 18});
camera.on('movestart', () => { startTime = new Date().getTime(); });
const promise = camera.once('moveend');
camera.flyTo({center: [-122.3998631, 37.7884307], maxDuration: 100});
await promise;
const endTime = new Date().getTime();
const timeDiff = endTime - startTime;
expect(timeDiff).toBeLessThan(30);
});
// No terrain/elevation tests for globe, as terrain isn't supported (yet?)
});
});
describe('fitBounds globe projection', () => {
test('no padding passed', () => {
const camera = createCameraGlobe();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(camera.getZoom(), 3)).toBe(2.496);
});
test('padding number', () => {
const camera = createCameraGlobe();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: 15, duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -100.5, lat: 34.7171});
expect(fixedNum(camera.getZoom(), 3)).toBe(2.399);
});
test('padding object', () => {
const camera = createCameraGlobe();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}, duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -96.5558, lat: 32.0833});
});
test('padding does not get propagated to transform.padding', () => {
const camera = createCamera();
const bb = [[-133, 16], [-68, 50]] as [LngLatLike, LngLatLike];
camera.fitBounds(bb, {padding: {top: 10, right: 75, bottom: 50, left: 25}, duration: 0});
const padding = camera.transform.padding;
expect(padding).toEqual({
left: 0,
right: 0,
top: 0,
bottom: 0
});
});
});
describe('fitScreenCoordinates globe projection', () => {
test('bearing 225', () => {
const camera = createCameraGlobeZoomed();
const p0 = [128, 128] as PointLike;
const p1 = [256, 256] as PointLike;
const bearing = 225;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -5.9948, lat: 5.8987});
expect(fixedNum(camera.getZoom(), 3)).toBe(4.454);
expect(camera.getBearing()).toBe(-135);
});
test('bearing 0', () => {
const camera = createCameraGlobeZoomed();
const p0 = [128, 128] as PointLike;
const p1 = [256, 256] as PointLike;
const bearing = 0;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -5.9948, lat: 5.8987});
expect(fixedNum(camera.getZoom(), 3)).toBe(4.936);
expect(camera.getBearing()).toBeCloseTo(0);
});
test('inverted points', () => {
const camera = createCameraGlobeZoomed();
const p1 = [128, 128] as PointLike;
const p0 = [256, 256] as PointLike;
const bearing = 0;
camera.fitScreenCoordinates(p0, p1, bearing, {duration: 0});
expect(fixedLngLat(camera.getCenter(), 4)).toEqual({lng: -5.9948, lat: 5.8987});
expect(fixedNum(camera.getZoom(), 3)).toBe(4.936);
expect(camera.getBearing()).toBeCloseTo(0);
});
});