- // calculate bearing to target
- if (pos.lat() >= user_latitude) {
- bearing = atan2(lat_range, lon_range) * SG_RADIANS_TO_DEGREES;
- if (pos.lon() >= user_longitude) {
- bearing = 90.0 - bearing;
- } else {
- bearing = 270.0 + bearing;
- }
- } else {
- bearing = atan2(lon_range, lat_range) * SG_RADIANS_TO_DEGREES;
- if (pos.lon() >= user_longitude) {
- bearing = 180.0 - bearing;
- } else {
- bearing = 180.0 + bearing;
- }
- }
-
- // calculate look left/right to target, without yaw correction
- horiz_offset = bearing - user_heading;
- if (horiz_offset > 180.0) horiz_offset -= 360.0;
- if (horiz_offset < -180.0) horiz_offset += 360.0;
-
- // calculate elevation to target
- elevation = atan2( altitude_ft - user_altitude, range_ft )
- * SG_RADIANS_TO_DEGREES;
-
- // calculate look up/down to target
- vert_offset = elevation + user_pitch;
-
- // now correct look left/right for yaw
- horiz_offset += user_yaw;
-
- // calculate values for radar display
- y_shift = range * cos( horiz_offset * SG_DEGREES_TO_RADIANS);
- x_shift = range * sin( horiz_offset * SG_DEGREES_TO_RADIANS);
- rotation = hdg - user_heading;
- if (rotation < 0.0) rotation += 360.0;
-
+ if (range < (diameter * 0.5) &&
+ user_altitude > (altitude_ft - 1000.0) &&
+ user_altitude < height) {
+ turb_mag_node->setDoubleValue(strength_norm);
+ turb_rate_node->setDoubleValue(0.5);
+ }
+