// copy values from the AIManager
double user_latitude = manager->get_user_latitude();
double user_longitude = manager->get_user_longitude();
- // double user_altitude = manager->get_user_altitude();
+ double user_altitude = manager->get_user_altitude();
// calculate range to target in feet and nautical miles
double lat_range = fabs(pos.lat() - user_latitude) * ft_per_deg_lat;
double lon_range = fabs(pos.lon() - user_longitude) * ft_per_deg_lon;
- double range_ft = lat_range*lat_range + lon_range*lon_range;
+ double range_ft = sqrt(lat_range*lat_range + lon_range*lon_range);
range = range_ft / 6076.11549;
// Calculate speed of rising air if within range.
} else {
strength = 0.0;
}
+
+ // Stop lift at the top of the thermal (smoothly)
+ if (user_altitude > (height + 100.0)) {
+ strength = 0.0;
+ }
+ else if (user_altitude < height) {
+ // do nothing
+ }
+ else {
+ strength -= (strength * (user_altitude - height) * 0.01);
+ }
}