Changed ArNode anchor update interval

SceneView · May 6, 2022 · a6e4bd3 · a6e4bd3
1 parent f18e7de
commit a6e4bd3
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/arsceneview/src/main/java/io/github/sceneview/ar/arcore/ArFrame.kt b/arsceneview/src/main/java/io/github/sceneview/ar/arcore/ArFrame.kt
@@ -250,6 +250,8 @@ data class ArFrame(
             it.trackingState == TrackingState.TRACKING
         }
 
+    fun intervalSeconds(arFrame: ArFrame?): Double = time.intervalSeconds(arFrame?.time)
+
     val fps: Double = time.fps
 
     fun fps(arFrame: ArFrame?): Double = time.fps(arFrame?.time)

diff --git a/arsceneview/src/main/java/io/github/sceneview/ar/node/ArNode.kt b/arsceneview/src/main/java/io/github/sceneview/ar/node/ArNode.kt
@@ -31,7 +31,13 @@ open class ArNode() : ModelNode(), ArSceneLifecycleObserver {
      */
     var smoothPose = true
 
-    var anchorUpdatePrecision = 0.05f
+    /**
+     * ### Interval of the anchor pose update in seconds
+     *
+     * Try to retrieve more accurate anchor position and rotation during time.
+     * Only used when the [ArNode] is anchored
+     */
+    var anchorUpdateInterval = 2.0f
     var lastAnchorUpdateFrame: ArFrame? = null
 
     /**
@@ -132,7 +138,7 @@ open class ArNode() : ModelNode(), ArSceneLifecycleObserver {
 
         // Update the anchor position if any
         if (anchor.trackingState == TrackingState.TRACKING) {
-            if (arFrame.precision(lastAnchorUpdateFrame) <= anchorUpdatePrecision) {
+            if (arFrame.intervalSeconds(lastAnchorUpdateFrame) >= anchorUpdateInterval) {
                 lastAnchorUpdateFrame = arFrame
                 pose = anchor.pose
             }