-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathscript.js
1886 lines (1661 loc) · 54.9 KB
/
script.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
class RouteGenerator {
constructor() {
// Debug flag
this.debug = false;
// Add panel state tracking
this.panelStates = {
controls: false,
routeSelection: false,
};
// Add mobile breakpoint
this.MOBILE_BREAKPOINT = 768; // pixels
// Configuration object for all layout and styling values
this.config = {
// Panel dimensions
panel: {
width: 320,
offset: 10,
extraPadding: 60,
},
// Map padding
padding: {
top: 50,
bottom: 50,
right: 50,
},
// Route styling
route: {
selected: {
color: '#c62828',
width: 6,
borderWidth: 12,
opacity: 1,
},
unselected: {
color: '#6d6d6d',
hoverColor: '#383838',
width: 5,
borderWidth: 10,
opacity: 0.6,
},
border: {
color: '#ffffff',
},
},
};
// Calculate derived values
this.config.padding.left =
this.config.panel.width + this.config.panel.extraPadding;
this.config.map = {
offset: [-(this.config.panel.width + this.config.panel.offset) / 2, 0],
};
this.MAPBOX_API_KEY =
'pk.eyJ1IjoidGRyYXlzb24iLCJhIjoiY201MnFqNDdyMmYxdzJqcXd2djF6d3p1aCJ9.pfeIgg_H8Bd0cLOx4NVU9g';
this.map = null;
this.userMarker = null;
this.destinationMarker = null;
this.routeSource = null;
this.isochroneSource = null;
this.currentLocation = null;
this.debounceTimer = null;
this.selectedIndex = -1;
this.autocompleteResults = [];
this.endLocation = null;
this.endDebounceTimer = null;
this.endSelectedIndex = -1;
this.endAutocompleteResults = [];
this.isStartMarkerMode = false;
this.isEndMarkerMode = false;
// Bind methods to this instance
this.handleAutocomplete = this.handleAutocomplete.bind(this);
this.handleAutocompleteKeydown = this.handleAutocompleteKeydown.bind(this);
this.getCurrentLocation = this.getCurrentLocation.bind(this);
this.generateRoute = this.generateRoute.bind(this);
this.handleMapClick = this.handleMapClick.bind(this);
this.setupEventListeners = this.setupEventListeners.bind(this);
// Initialize when DOM is loaded
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => {
this.initMap();
this.setupEventListeners();
});
} else {
this.initMap();
this.setupEventListeners();
}
}
setupEventListeners() {
// Get DOM elements
const startInput = document.getElementById('start-location');
const endInput = document.getElementById('end-location');
const startResults = document.getElementById('start-results');
const endResults = document.getElementById('end-results');
const startMarkerButton = document.getElementById('start-marker-button');
const endMarkerButton = document.getElementById('end-marker-button');
const durationInput = document.getElementById('duration');
const tripTypeSelect = document.getElementById('tripType');
const generateButton = document.getElementById('generate-btn');
// Add event listener for trip type changes
tripTypeSelect.addEventListener('change', (e) => {
const endLocationGroup = document.getElementById('end-location-group');
endLocationGroup.style.display =
e.target.value === 'oneway' ? 'block' : 'none';
// Clear end location if switching to loop
if (e.target.value === 'loop') {
endInput.value = '';
this.endLocation = null;
if (this.destinationMarker) {
this.destinationMarker.remove();
this.destinationMarker = null;
}
}
});
// Add event listeners for marker buttons
startMarkerButton.addEventListener('click', () => {
this.isStartMarkerMode = !this.isStartMarkerMode;
this.isEndMarkerMode = false;
startMarkerButton.classList.toggle('active');
endMarkerButton.classList.remove('active');
this.map.getCanvas().style.cursor = this.isStartMarkerMode
? 'crosshair'
: '';
if (this.isStartMarkerMode) {
this.collapsePanels();
this.showNotification('Please click on map to set the start location');
} else {
this.restorePanels();
this.hideNotification();
}
});
endMarkerButton.addEventListener('click', () => {
this.isEndMarkerMode = !this.isEndMarkerMode;
this.isStartMarkerMode = false;
endMarkerButton.classList.toggle('active');
startMarkerButton.classList.remove('active');
this.map.getCanvas().style.cursor = this.isEndMarkerMode
? 'crosshair'
: '';
if (this.isEndMarkerMode) {
this.collapsePanels();
this.showNotification('Please click on map to set the end location');
} else {
this.restorePanels();
this.hideNotification();
}
});
// Add map click event listener
this.map.on('click', this.handleMapClick);
// Add event listeners for autocomplete
startInput.addEventListener('input', () => {
clearTimeout(this.debounceTimer);
this.debounceTimer = setTimeout(() => {
this.handleAutocomplete(startInput.value, startResults);
}, 300);
});
startInput.addEventListener('keydown', (event) => {
this.handleAutocompleteKeydown(
event,
startResults,
startInput,
'selectedIndex',
'autocompleteResults',
'currentLocation',
);
});
endInput.addEventListener('input', () => {
clearTimeout(this.endDebounceTimer);
this.endDebounceTimer = setTimeout(() => {
this.handleAutocomplete(endInput.value, endResults, true);
}, 300);
});
endInput.addEventListener('keydown', (event) => {
this.handleAutocompleteKeydown(
event,
endResults,
endInput,
'endSelectedIndex',
'endAutocompleteResults',
'endLocation',
);
});
// Add event listener for generate button
generateButton.addEventListener('click', () => {
const duration = parseInt(durationInput.value);
const isRoundTrip = tripTypeSelect.value === 'round';
this.generateRoute(duration, isRoundTrip);
});
}
// Add new method to handle trip type display updates
updateTripTypeDisplay(tripType) {
const endLocationGroup = document.getElementById('end-location-group');
endLocationGroup.style.display = tripType === 'oneway' ? 'block' : 'none';
// Clear end location if switching to loop
if (tripType === 'loop') {
const endLocationInput = document.getElementById('end-location');
endLocationInput.value = '';
this.endLocation = null;
if (this.destinationMarker) {
this.destinationMarker.remove();
this.destinationMarker = null;
}
}
}
showError(message) {
const errorDiv = document.getElementById('error');
errorDiv.textContent = message;
errorDiv.style.display = 'block';
setTimeout(() => {
errorDiv.style.display = 'none';
}, 5000);
}
async searchLocations(query) {
try {
const response = await fetch(
`https://api.mapbox.com/geocoding/v5/mapbox.places/${encodeURIComponent(
query,
)}.json?access_token=${
this.MAPBOX_API_KEY
}&types=address,place,poi&limit=5`,
);
if (!response.ok) {
throw new Error('Geocoding API error');
}
const data = await response.json();
return data.features || [];
} catch (error) {
console.error('Error fetching autocomplete results:', error);
return [];
}
}
updateAutocompleteResults(results, resultsContainer, isEnd = false) {
resultsContainer.innerHTML = '';
results.forEach((result, index) => {
const div = document.createElement('div');
div.className = 'autocomplete-item';
div.setAttribute('role', 'option');
div.setAttribute(
'aria-selected',
index === (isEnd ? this.endSelectedIndex : this.selectedIndex)
? 'true'
: 'false',
);
div.setAttribute(
'id',
`${isEnd ? 'end' : 'start'}-location-option-${index}`,
);
if (index === (isEnd ? this.endSelectedIndex : this.selectedIndex)) {
div.className += ' selected';
}
div.textContent = result.place_name;
div.addEventListener('click', () => {
if (isEnd) {
this.selectEndLocation(result);
} else {
this.selectLocation(result);
}
});
resultsContainer.appendChild(div);
});
resultsContainer.style.display = results.length > 0 ? 'block' : 'none';
// Update ARIA attributes
const input = document.getElementById(
isEnd ? 'end-location' : 'start-location',
);
if (results.length > 0) {
input.setAttribute('aria-expanded', 'true');
input.setAttribute(
'aria-activedescendant',
(isEnd ? this.endSelectedIndex : this.selectedIndex) >= 0
? `${isEnd ? 'end' : 'start'}-location-option-${
isEnd ? this.endSelectedIndex : this.selectedIndex
}`
: '',
);
} else {
input.setAttribute('aria-expanded', 'false');
input.removeAttribute('aria-activedescendant');
}
}
selectLocation(location) {
const input = document.getElementById('start-location');
input.value = location.place_name;
document.getElementById('start-results').style.display = 'none';
this.currentLocation = location.geometry.coordinates;
this.updateUserMarker(this.currentLocation);
}
handleAutocomplete(query, resultsContainer, isEnd = false) {
if (query.length < 3) {
resultsContainer.style.display = 'none';
return;
}
clearTimeout(this.debounceTimer);
this.debounceTimer = setTimeout(async () => {
const results = await this.searchLocations(query);
if (isEnd) {
this.endAutocompleteResults = results;
this.endSelectedIndex = -1;
} else {
this.autocompleteResults = results;
this.selectedIndex = -1;
}
this.updateAutocompleteResults(results, resultsContainer, isEnd);
}, 300);
}
handleAutocompleteKeydown(
event,
resultsContainer,
input,
selectedIndexProp,
resultsProp,
locationProp,
) {
if (
!this[resultsProp].length ||
resultsContainer.style.display === 'none'
) {
return;
}
switch (event.key) {
case 'ArrowDown':
event.preventDefault();
this[selectedIndexProp] = Math.min(
this[selectedIndexProp] + 1,
this[resultsProp].length - 1,
);
this.updateAutocompleteResults(
this[resultsProp],
resultsContainer,
selectedIndexProp === 'endSelectedIndex',
);
break;
case 'ArrowUp':
event.preventDefault();
this[selectedIndexProp] = Math.max(this[selectedIndexProp] - 1, -1);
this.updateAutocompleteResults(
this[resultsProp],
resultsContainer,
selectedIndexProp === 'endSelectedIndex',
);
break;
case 'Enter':
event.preventDefault();
if (this[selectedIndexProp] >= 0) {
if (selectedIndexProp === 'endSelectedIndex') {
this.selectEndLocation(this[resultsProp][this[selectedIndexProp]]);
} else {
this.selectLocation(this[resultsProp][this[selectedIndexProp]]);
}
}
break;
case 'Escape':
resultsContainer.style.display = 'none';
this[selectedIndexProp] = -1;
break;
}
}
initMap() {
mapboxgl.accessToken = this.MAPBOX_API_KEY;
this.map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/outdoors-v12',
center: [-0.1276, 51.5074],
zoom: 12,
});
this.map.on('load', () => {
// Source for all attempted routes
this.map.addSource('attempted-routes', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [],
},
});
// Source for waypoints
this.map.addSource('waypoints', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [],
},
});
// Regular route source
this.map.addSource('route', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [],
},
});
// Add a white border to make the gap more visible
this.map.addLayer({
id: 'route-border',
type: 'line',
source: 'route',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': '#ffffff',
'line-width': 12,
},
});
// Regular route layer with solid line
this.map.addLayer({
id: 'route',
type: 'line',
source: 'route',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': '#c62828',
'line-width': 6,
},
});
// Add direction arrows for attempted routes (unselected)
this.map.addLayer({
id: 'route-arrows-unselected',
type: 'symbol',
source: 'attempted-routes',
layout: {
'symbol-placement': 'line',
'symbol-spacing': 100,
'icon-image': 'triangle-11',
'icon-size': 0.8,
'icon-rotate': 90,
'icon-rotation-alignment': 'map',
'icon-allow-overlap': true,
'icon-ignore-placement': true,
'icon-padding': 0,
},
paint: {
'icon-opacity': [
'case',
['boolean', ['feature-state', 'hover'], false],
0.8,
0.4,
],
'icon-color': this.config.route.unselected.color,
},
filter: ['!=', ['get', 'selected'], true],
});
// Layer for unselected routes border
this.map.addLayer({
id: 'attempted-routes-border-unselected',
type: 'line',
source: 'attempted-routes',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': this.config.route.border.color,
'line-width': this.config.route.unselected.borderWidth,
'line-opacity': this.config.route.unselected.opacity,
},
filter: ['!=', ['get', 'selected'], true],
});
// Layer for unselected routes
this.map.addLayer({
id: 'attempted-routes-unselected',
type: 'line',
source: 'attempted-routes',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': [
'case',
['boolean', ['feature-state', 'hover'], false],
this.config.route.unselected.hoverColor,
this.config.route.unselected.color,
],
'line-width': this.config.route.unselected.width,
'line-opacity': this.config.route.unselected.opacity,
},
filter: ['!=', ['get', 'selected'], true],
});
// Layer for selected route border (on top)
this.map.addLayer({
id: 'attempted-routes-border-selected',
type: 'line',
source: 'attempted-routes',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': this.config.route.border.color,
'line-width': this.config.route.selected.borderWidth,
'line-opacity': this.config.route.selected.opacity,
},
filter: ['==', ['get', 'selected'], true],
});
// Layer for selected route (on top)
this.map.addLayer({
id: 'attempted-routes-selected',
type: 'line',
source: 'attempted-routes',
layout: {
'line-join': 'round',
'line-cap': 'round',
},
paint: {
'line-color': this.config.route.selected.color,
'line-width': this.config.route.selected.width,
'line-opacity': this.config.route.selected.opacity,
},
filter: ['==', ['get', 'selected'], true],
});
// Add direction arrows for selected route
this.map.addLayer({
id: 'route-arrows-selected',
type: 'symbol',
source: 'attempted-routes',
layout: {
'symbol-placement': 'line',
'symbol-spacing': 100,
'icon-image': 'triangle-11',
'icon-size': 1,
'icon-rotate': 90,
'icon-rotation-alignment': 'map',
'icon-allow-overlap': true,
'icon-ignore-placement': true,
'icon-padding': 0,
},
paint: {
'icon-opacity': 1,
'icon-color': this.config.route.selected.color,
},
filter: ['==', ['get', 'selected'], true],
});
// Add click interaction for routes
this.map.on('click', 'attempted-routes-unselected', (e) => {
if (e.features.length > 0) {
const clickedRouteId = e.features[0].id;
const routeOptions = document.querySelectorAll('.route-option');
if (routeOptions && routeOptions.length > clickedRouteId) {
routeOptions[clickedRouteId].click();
}
}
});
// Change cursor on hover
this.map.on('mouseenter', 'attempted-routes-unselected', () => {
this.map.getCanvas().style.cursor = 'pointer';
});
this.map.on('mouseleave', 'attempted-routes-unselected', () => {
this.map.getCanvas().style.cursor = '';
});
// Update waypoints layer with larger circles and labels
this.map.addLayer({
id: 'waypoints',
type: 'circle',
source: 'waypoints',
paint: {
'circle-radius': 8,
'circle-color': ['get', 'color'],
'circle-stroke-width': 3,
'circle-stroke-color': '#ffffff',
},
});
// Add labels for waypoints
this.map.addLayer({
id: 'waypoint-labels',
type: 'symbol',
source: 'waypoints',
layout: {
'text-field': [
'number-format',
['get', 'index'],
{ locale: 'en-US' },
],
'text-font': ['DIN Offc Pro Medium', 'Arial Unicode MS Bold'],
'text-size': 14,
'text-offset': [0, -1.5],
},
paint: {
'text-color': '#000000',
'text-halo-color': '#ffffff',
'text-halo-width': 2,
},
});
// Store references to sources
this.routeSource = this.map.getSource('route');
this.attemptedRoutesSource = this.map.getSource('attempted-routes');
this.waypointsSource = this.map.getSource('waypoints');
// Add source and layer for the isochrone
this.map.addSource('isochrone', {
type: 'geojson',
data: {
type: 'FeatureCollection',
features: [],
},
});
this.map.addLayer({
id: 'isochrone',
type: 'fill',
source: 'isochrone',
layout: {
visibility: 'none', // Hide isochrone layer by default
},
paint: {
'fill-color': '#FF0000',
'fill-opacity': 0.1,
'fill-outline-color': '#FF0000',
},
});
this.isochroneSource = this.map.getSource('isochrone');
});
}
processRouteForDisplay(coordinates) {
const segments = [];
// Process each segment
for (let i = 0; i < coordinates.length - 1; i++) {
const start = coordinates[i];
const end = coordinates[i + 1];
segments.push([start, end]);
}
return {
regular: {
type: 'Feature',
properties: {},
geometry: {
type: 'MultiLineString',
coordinates: segments,
},
},
};
}
async getCurrentLocation() {
// Cancel marker selector mode if active
if (this.isStartMarkerMode) {
this.isStartMarkerMode = false;
document.getElementById('start-marker-button').classList.remove('active');
this.map.getCanvas().style.cursor = '';
this.hideNotification();
}
if (navigator.geolocation) {
const generateBtn = document.getElementById('generate-btn');
generateBtn.disabled = true;
try {
const position = await new Promise((resolve, reject) => {
navigator.geolocation.getCurrentPosition(resolve, reject);
});
const { latitude, longitude } = position.coords;
this.currentLocation = [longitude, latitude];
this.updateUserMarker(this.currentLocation);
const address = await this.reverseGeocode(latitude, longitude);
document.getElementById('start-location').value = address;
} catch (error) {
this.showError('Error getting location: ' + error.message);
} finally {
generateBtn.disabled = false;
}
} else {
this.showError('Geolocation is not supported by this browser.');
}
}
updateUserMarker(coordinates) {
if (this.userMarker) {
this.userMarker.remove();
}
this.userMarker = new mapboxgl.Marker()
.setLngLat(coordinates)
.addTo(this.map);
this.map.flyTo({
center: coordinates,
zoom: 14,
offset: [-180, 0], // Offset to center the point accounting for the panel with extra space
});
}
async reverseGeocode(lat, lon) {
try {
const response = await fetch(
`https://api.mapbox.com/geocoding/v5/mapbox.places/${lon},${lat}.json?access_token=${this.MAPBOX_API_KEY}`,
);
const data = await response.json();
if (data.features && data.features.length > 0) {
return data.features[0].place_name;
}
return `${lat.toFixed(6)}, ${lon.toFixed(6)}`;
} catch (error) {
console.error('Error reverse geocoding:', error);
return `${lat.toFixed(6)}, ${lon.toFixed(6)}`;
}
}
async getIsochrone(startCoords, activity, duration) {
try {
console.log('Requesting isochrone for:', startCoords, activity, duration);
// Convert activity type to Mapbox profile
const profile = this.getMapboxProfile(activity);
// Convert duration from seconds to minutes for Mapbox API
const durationMinutes = Math.round(duration / 60);
const response = await fetch(
`https://api.mapbox.com/isochrone/v1/mapbox/${profile}/${startCoords[0]},${startCoords[1]}?contours_minutes=${durationMinutes}&polygons=true&access_token=${this.MAPBOX_API_KEY}`,
);
if (!response.ok) {
throw new Error('Failed to fetch isochrone');
}
const data = await response.json();
console.log('Isochrone API response:', data);
if (!data.features || !data.features[0] || !data.features[0].geometry) {
throw new Error('Invalid isochrone data');
}
return data.features[0].geometry;
} catch (error) {
console.error('Error fetching isochrone:', error);
throw error;
}
}
getBoundingBox(coords) {
return coords.reduce(
(bounds, coord) => {
return {
minLon: Math.min(bounds.minLon, coord[0]),
maxLon: Math.max(bounds.maxLon, coord[0]),
minLat: Math.min(bounds.minLat, coord[1]),
maxLat: Math.max(bounds.maxLat, coord[1]),
};
},
{
minLon: Infinity,
maxLon: -Infinity,
minLat: Infinity,
maxLat: -Infinity,
},
);
}
isPointInPolygon(point, polygon) {
let inside = false;
for (let i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
const xi = polygon[i][0],
yi = polygon[i][1];
const xj = polygon[j][0],
yj = polygon[j][1];
const intersect =
yi > point[1] !== yj > point[1] &&
point[0] < ((xj - xi) * (point[1] - yi)) / (yj - yi) + xi;
if (intersect) inside = !inside;
}
return inside;
}
getRandomPointInPolygon(polygon) {
const bounds = this.getBoundingBox(polygon.coordinates[0]);
let point;
let attempts = 0;
const maxAttempts = 100;
do {
const lon =
Math.random() * (bounds.maxLon - bounds.minLon) + bounds.minLon;
const lat =
Math.random() * (bounds.maxLat - bounds.minLat) + bounds.minLat;
point = [lon, lat];
attempts++;
if (attempts > maxAttempts) {
throw new Error('Could not generate valid point in polygon');
}
} while (!this.isPointInPolygon(point, polygon.coordinates[0]));
return point;
}
async geocode(location) {
try {
const response = await fetch(
`https://api.mapbox.com/geocoding/v5/mapbox.places/${encodeURIComponent(
location,
)}.json?access_token=${
this.MAPBOX_API_KEY
}&types=address,place,poi&limit=5`,
);
const data = await response.json();
if (data.features && data.features.length > 0) {
return data.features[0].geometry.coordinates;
}
return null;
} catch (error) {
console.error('Error geocoding:', error);
return null;
}
}
// Debug visualization function
visualizeDebugPoints(waypoints, type = 'loop') {
if (!this.debug) return;
let features = waypoints.map((waypoint, index) => {
let color;
let label = '';
if (type === 'loop') {
if (index === 0) {
color = '#4CAF50'; // Start point (green)
label = 'Start/End';
} else if (index === 1) {
color = '#FF9800'; // Outward point (orange)
label = 'Outward';
} else if (index === waypoints.length - 1) {
color = '#4CAF50'; // End point (same as start for loop)
label = 'Start/End';
} else {
color = '#2196F3'; // Return points (blue)
label = 'Return';
}
} else if (type === 'oneway') {
if (index === 0) {
color = '#4CAF50'; // Start point (green)
label = 'Start';
} else if (index === waypoints.length - 1) {
color = '#FF6B6B'; // End point (red)
label = 'End';
} else {
color = '#2196F3'; // Intermediate points (blue)
label = 'Via';
}
}
return {
type: 'Feature',
geometry: {
type: 'Point',
coordinates: waypoint,
},
properties: {
color: color,
index: index + 1,
label: label,
},
};
});
this.waypointsSource.setData({
type: 'FeatureCollection',
features: features,
});
}
async generateWaypoints(startCoords, activity, duration, tripType) {
try {
console.log('Generating waypoints for duration:', duration);
// Helper function to generate forward waypoints using isochrone
const generateForwardWaypoints = async (center, duration, numPoints) => {
// Get isochrone for outward point (using 1/3 of total duration)
const outwardIsochrone = await this.getIsochrone(
center,
activity,
duration / 3,
);
const points = [];
// Generate multiple points along the isochrone boundary
for (let i = 0; i < numPoints; i++) {
try {
const point = this.getRandomPointInPolygon(outwardIsochrone);
points.push(point);
} catch (error) {
console.log('Error generating point:', error);
}
}
return points;
};
// Helper function to generate return waypoints using isochrones
const generateReturnWaypoints = async (
outwardPoint,
startPoint,
numPoints,
remainingDuration,
) => {
// Get isochrones for both outward point and start point
const [outwardIsochrone, startIsochrone] = await Promise.all([
this.getIsochrone(outwardPoint, activity, remainingDuration / 2),
this.getIsochrone(startPoint, activity, remainingDuration / 2),
]);
const points = [];
// Find points in the overlapping region of both isochrones
for (let i = 0; i < numPoints; i++) {
let attempts = 0;
const maxAttempts = 10;
while (attempts < maxAttempts) {
try {
// Try to find a point in the first isochrone
const point = this.getRandomPointInPolygon(outwardIsochrone);
// Check if it's also in the second isochrone
if (this.isPointInPolygon(point, startIsochrone.coordinates[0])) {
points.push(point);
break;
}
} catch (error) {
console.log('Error generating return point:', error);
}
attempts++;
}
}
return points;
};
const allRoutes = [];
const maxAttempts = 3; // Limit to 3 API calls
for (let attempt = 0; attempt < maxAttempts; attempt++) {
try {
// Generate outward points
const outwardPoints = await generateForwardWaypoints(
startCoords,
duration,
3, // Generate 3 potential points
);
if (outwardPoints.length === 0) {
throw new Error('No valid outward points generated');
}