mod mooved gps functions from front end to back end

This commit is contained in:
Francesco De Carlo 2025-08-02 06:10:41 +02:00
parent 0066166765
commit 46b055c591
2 changed files with 30 additions and 29 deletions

27
backend/src/gps.py Normal file
View file

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import math
class Coordinates:
latitude: int
longitude: int
def distance_between_coords(lhs: Coordinates, rhs: Coordinates) -> float:
R = 6371000 # Earth radius in meters
def to_rad(deg):
return (deg * math.pi) / 180
d_lat = to_rad(rhs.latitude - lhs.latitude)
d_lon = to_rad(rhs.longitude - lhs.longitude)
a = (d_lat / 2) ** 2 + (to_rad(lhs.latitude) * to_rad(rhs.latitude)) * (d_lon / 2) ** 2
c = 2 * (a**0.5) / ((1 - a) ** 0.5)
return R * c # distance in meters
def is_within_range(my_coords: Coordinates, target_coords: Coordinates, max_range: float) -> bool:
distance = distance_between_coords(my_coords, target_coords)
return distance <= max_range