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feat: print verbal routing instructions

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Cfp
2025-06-22 11:42:15 +02:00
parent 899900a107
commit a3b7d84100
1 changed files with 35 additions and 0 deletions
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35
src/lib/services/navigation/routing.svelte.ts
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@ -136,6 +136,8 @@ export async function startRoute(trip: Trip) {
routing.currentTripInfo.int = setInterval(tickRoute, 500);
}
let hasAnnouncedPreInstruction = false;
async function tickRoute() {
const trip = routing.currentTrip;
const info = routing.currentTripInfo;
@ -169,6 +171,15 @@ async function tickRoute() {
info.isOffRoute = false;
}
if (currentManeuver.verbal_pre_transition_instruction && !hasAnnouncedPreInstruction) {
const distanceToEnd = calculateDistance(location, polyline[bgi]);
// console.log("Distance to end of current maneuver: ", distanceToEnd, " meters");
if (distanceToEnd <= 100) {
hasAnnouncedPreInstruction = true;
console.log("[Verbal instruction] ", currentManeuver.verbal_pre_transition_instruction);
}
}
// Check if the user is past the current maneuver
// Checks if the user is still on the current maneuver's polyline
if(!isOnShape(location, polyline.slice(bgi))) {
@ -182,6 +193,15 @@ async function tickRoute() {
// Update the geojson
drawCurrentTrip();
// announce the "verbal_post_transition_instruction"
if (currentManeuver.verbal_post_transition_instruction) {
hasAnnouncedPreInstruction = false;
const distanceToEnd = calculateDistance(location, polyline[trip.legs[0].maneuvers[routing.currentTripInfo.maneuverIdx + 1].begin_shape_index]);
if (distanceToEnd >= 200) {
console.log("[Verbal instruction] ", currentManeuver.verbal_post_transition_instruction);
}
}
// Advance to the next maneuver
info.maneuverIdx++;
if(info.maneuverIdx >= trip.legs[0].maneuvers.length) { // No more maneuvers
@ -269,6 +289,21 @@ function isOnShape(location: WorldLocation, shape: WorldLocation[]) {
return false;
}
function calculateDistance(point1: WorldLocation, point2: WorldLocation): number {
const R = 6371000; // Earth's radius in meters
const lat1 = point1.lat * (Math.PI / 180);
const lat2 = point2.lat * (Math.PI / 180);
const deltaLat = (point2.lat - point1.lat) * (Math.PI / 180);
const deltaLon = (point2.lon - point1.lon) * (Math.PI / 180);
const a = Math.sin(deltaLat / 2) * Math.sin(deltaLat / 2) +
Math.cos(lat1) * Math.cos(lat2) *
Math.sin(deltaLon / 2) * Math.sin(deltaLon / 2);
const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
return R * c; // Distance in meters
}
export function zoomToPoints(from: WorldLocation, to: WorldLocation, map: maplibregl.Map) {
const getBoundingBox = (point1: [number, number], point2: [number, number]): LngLatBoundsLike => {
const [lng1, lat1] = point1;