Rotate landing area

src/PlanView/FWLandingPatternMapVisual.qml

@@ -36,8 +36,8 @@ Item {
     readonly property int _flightPathIndex:     0
     readonly property int _loiterPointIndex:    1
     readonly property int _loiterRadiusIndex:   2
-    readonly property int _landPointIndex:      3
-    readonly property int _landingAreaIndex:    4
+    readonly property int _landingAreaIndex:    3
+    readonly property int _landPointIndex:      4
 
     function hideItemVisuals() {
         for (var i=0; i<_itemVisuals.length; i++) {
@@ -57,12 +57,12 @@ Item {
             itemVisual = loiterRadiusComponent.createObject(map)
             map.addMapItem(itemVisual)
             _itemVisuals[_loiterRadiusIndex] = itemVisual
-            itemVisual = landPointComponent.createObject(map)
-            map.addMapItem(itemVisual)
-            _itemVisuals[_landPointIndex] = itemVisual
             itemVisual = landingAreaComponent.createObject(map)
             map.addMapItem(itemVisual)
             _itemVisuals[_landingAreaIndex] = itemVisual
+            itemVisual = landPointComponent.createObject(map)
+            map.addMapItem(itemVisual)
+            _itemVisuals[_landPointIndex] = itemVisual
         }
     }
 
@@ -258,20 +258,36 @@ Item {
     Component {
         id: landingAreaComponent
 
-        MapRectangle {
+        MapPolygon {
             z:              QGroundControl.zOrderMapItems
             border.width:   1
             border.color:   "black"
             color:          "green"
             opacity:        0.5
-            topLeft:        _missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, -angleDegrees)
-            bottomRight:    _missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, 180 - angleDegrees)
 
-            readonly property real landingWidth:    10
+            readonly property real landingWidth:    15
             readonly property real landingLength:   100
             readonly property real angleRadians:    Math.atan((landingWidth / 2) / (landingLength / 2))
-            readonly property real angleDegrees:    angleRadians * (180 / Math.PI)
+            readonly property real angleDegrees:    (angleRadians * (180 / Math.PI))
             readonly property real hypotenuse:      (landingWidth / 2) / Math.sin(angleRadians)
+
+            property real landingAreaAngle: _missionItem.landingCoordinate.azimuthTo(_missionItem.loiterTangentCoordinate)
+
+            function calcPoly() {
+                path = [ ]
+                addCoordinate(_missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, landingAreaAngle - angleDegrees))
+                addCoordinate(_missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, landingAreaAngle + angleDegrees))
+                addCoordinate(_missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, landingAreaAngle + (180 - angleDegrees)))
+                addCoordinate(_missionItem.landingCoordinate.atDistanceAndAzimuth(hypotenuse, landingAreaAngle - (180 - angleDegrees)))
+            }
+
+            Component.onCompleted: calcPoly()
+
+            Connections {
+                target: _missionItem
+                onLandingCoordinateChanged: calcPoly()
+                onLoiterTangentCoordinateChanged:  calcPoly()
+            }
         }
     }
 }