Add terrain double tap support in Android version.

WorldWindEarth · Sep 29, 2024 · d9fc681 · d9fc681
1 parent c19b77d
commit d9fc681
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/worldwind/src/androidMain/kotlin/earth/worldwind/gesture/SelectDragDetector.kt b/worldwind/src/androidMain/kotlin/earth/worldwind/gesture/SelectDragDetector.kt
@@ -107,8 +107,9 @@ open class SelectDragDetector(protected val wwd: WorldWindow) : SimpleOnGestureL
         val callback = callback ?: return false
         return runBlocking {
             val (renderable, position) = awaitPickResult(false)
-            if (renderable is Renderable && position != null) {
-                callback.onRenderableDoubleTap(renderable, position)
+            if (position != null) {
+                if (renderable is Renderable) callback.onRenderableDoubleTap(renderable, position)
+                else callback.onTerrainDoubleTap(position)
                 wwd.requestRedraw()
                 true
             } else false

diff --git a/worldwind/src/commonMain/kotlin/earth/worldwind/gesture/SelectDragCallback.kt b/worldwind/src/commonMain/kotlin/earth/worldwind/gesture/SelectDragCallback.kt
@@ -87,4 +87,11 @@ interface SelectDragCallback {
      * @param position picked terrain or renderable center position
      */
     fun onRenderableDoubleTap(renderable: Renderable, position: Position) {}
+
+    /**
+     * Terrain position was double-tapped or double-clicked
+     *
+     * @param position picked terrain position
+     */
+    fun onTerrainDoubleTap(position: Position) {}
 }