moving flight direction point for osd

docs/Settings.md

@@ -4832,6 +4832,16 @@ To vertically adjust the whole OSD and AHI and scrolling bars
 
 ---
 
+### osd_hud_flight_direction
+
+To 3D-display the moving destination direction in the hud
+
+| Default | Min | Max |
+| --- | --- | --- |
+| OFF | OFF | ON |
+
+---
+
 ### osd_hud_homepoint
 
 To 3D-display the home point location in the hud

src/main/cms/cms_menu_osd.c

@@ -420,6 +420,7 @@ static const OSD_Entry menuOsdHud2Entries[] = {
 
     OSD_SETTING_ENTRY("HOMING ARROWS", SETTING_OSD_HUD_HOMING),
     OSD_SETTING_ENTRY("HOME POINT", SETTING_OSD_HUD_HOMEPOINT),
+    OSD_SETTING_ENTRY("FLIGHT DIRECTION", SETTING_OSD_HUD_FLIGHT_DIRECTION),
     OSD_SETTING_ENTRY("RADAR MAX AIRCRAFT", SETTING_OSD_HUD_RADAR_DISP),
     OSD_SETTING_ENTRY("RADAR MIN RANGE", SETTING_OSD_HUD_RADAR_RANGE_MIN),
     OSD_SETTING_ENTRY("RADAR MAX RANGE", SETTING_OSD_HUD_RADAR_RANGE_MAX),

src/main/fc/settings.yaml

@@ -3512,6 +3512,11 @@ groups:
         default_value: OFF
         field: hud_homepoint
         type: bool
+      - name: osd_hud_flight_direction
+        description: "To 3D-display the moving destination direction in the hud"
+        default_value: OFF
+        field: hud_flight_direction
+        type: bool
       - name: osd_hud_radar_disp
         description: "Maximum count of nearby aircrafts or points of interest to display in the hud, as sent from an ESP32 LoRa module. Set to 0 to disable (show nothing). The nearby aircrafts will appear as markers A, B, C, etc"
         default_value: 0

src/main/io/osd.c

@@ -2754,7 +2754,7 @@ static bool osdDrawSingleElement(uint8_t item)
 #endif
             ) && isImuHeadingValid()) {
 
-            if (osdConfig()->hud_homepoint || osdConfig()->hud_radar_disp > 0 || osdConfig()->hud_wp_disp > 0) {
+            if (osdConfig()->hud_homepoint || osdConfig()->hud_radar_disp > 0 || osdConfig()->hud_wp_disp > 0 || osdConfig()->hud_flight_direction) {
                     osdHudClear();
             }
 
@@ -2764,6 +2764,18 @@ static bool osdDrawSingleElement(uint8_t item)
                 osdHudDrawPoi(GPS_distanceToHome, GPS_directionToHome, -osdGetAltitude() / 100, 0, SYM_HOME, 0 , 0);
             }
 
+            // -------- POI : Flight direction
+
+            if (osdConfig()->hud_flight_direction) {
+                int vx = getEstimatedActualVelocity(X);  // in cm/s
+                int vy = getEstimatedActualVelocity(Y);  // in cm/s
+                int vz = getEstimatedActualVelocity(Z);  // in cm/s
+
+                float direction_deg = RADIANS_TO_DEGREES(atan2f((float)vy, (float)vx));
+                int altitude_relative = (vz / 100);
+                osdHudDrawPoi(1, (int16_t)direction_deg, altitude_relative, 3, SYM_ALERT, 0, 0);
+            }
+
             // -------- POI : Nearby aircrafts from ESP32 radar
 
             if (osdConfig()->hud_radar_disp > 0) { // Display the POI from the radar
@@ -4143,6 +4155,7 @@ PG_RESET_TEMPLATE(osdConfig_t, osdConfig,
     .hud_margin_v = SETTING_OSD_HUD_MARGIN_V_DEFAULT,
     .hud_homing = SETTING_OSD_HUD_HOMING_DEFAULT,
     .hud_homepoint = SETTING_OSD_HUD_HOMEPOINT_DEFAULT,
+    .hud_flight_direction = SETTING_OSD_HUD_FLIGHT_DIRECTION_DEFAULT,
     .hud_radar_disp = SETTING_OSD_HUD_RADAR_DISP_DEFAULT,
     .hud_radar_range_min = SETTING_OSD_HUD_RADAR_RANGE_MIN_DEFAULT,
     .hud_radar_range_max = SETTING_OSD_HUD_RADAR_RANGE_MAX_DEFAULT,

src/main/io/osd.h

@@ -429,6 +429,7 @@ typedef struct osdConfig_s {
     uint8_t         hud_margin_v;
     bool            hud_homing;
     bool            hud_homepoint;
+    bool            hud_flight_direction;
     uint8_t         hud_radar_disp;
     uint16_t        hud_radar_range_min;
     uint16_t        hud_radar_range_max;

src/main/io/osd_hud.c

@@ -119,6 +119,7 @@ int8_t radarGetNearestPOI(void)
  * Type = 0 : Home point
  * Type = 1 : Radar POI, P1: Relative heading, P2: Signal, P3 Cardinal direction
  * Type = 2 : Waypoint, P1: WP number, P2: 1=WP+1, 2=WP+2, 3=WP+3
+ * Type = 3 : Flight direction
  */
 void osdHudDrawPoi(uint32_t poiDistance, int16_t poiDirection, int32_t poiAltitude, uint8_t poiType, uint16_t poiSymbol, int16_t poiP1, int16_t poiP2)
 {
@@ -217,7 +218,7 @@ void osdHudDrawPoi(uint32_t poiDistance, int16_t poiDirection, int32_t poiAltitu
 
     // Distance
 
-    if (poiType > 0 && 
+    if (poiType > 0 && poiType != 3 && 
         ((millis() / 1000) % (osdConfig()->hud_radar_alt_difference_display_time + osdConfig()->hud_radar_distance_display_time) < (osdConfig()->hud_radar_alt_difference_display_time % (osdConfig()->hud_radar_alt_difference_display_time + osdConfig()->hud_radar_distance_display_time)))
        ) { // For Radar and WPs, display the difference in altitude, then distance. Time is pilot defined
         altc = poiAltitude;
@@ -287,11 +288,13 @@ void osdHudDrawPoi(uint32_t poiDistance, int16_t poiDirection, int32_t poiAltitu
         }
     }
 
-    osdHudWrite(poi_x - 1, poi_y + 1, buff[0], 1);
-    osdHudWrite(poi_x , poi_y + 1, buff[1], 1);
-    osdHudWrite(poi_x + 1, poi_y + 1, buff[2], 1);
-    if (poiType == 1) {
-        osdHudWrite(poi_x + 2, poi_y + 1, buff[3], 1);
+    if (poiType != 3){
+        osdHudWrite(poi_x - 1, poi_y + 1, buff[0], 1);
+        osdHudWrite(poi_x , poi_y + 1, buff[1], 1);
+        osdHudWrite(poi_x + 1, poi_y + 1, buff[2], 1);
+        if (poiType == 1) {
+            osdHudWrite(poi_x + 2, poi_y + 1, buff[3], 1);
+        }
     }
 }