comments pt1

app/src/main/java/com/example/jnicpp/bowling/CameraXController.kt

@@ -39,6 +39,8 @@ import com.example.jnicpp.R
 import java.text.SimpleDateFormat
 import java.util.Locale
 
+import com.google.mlkit.vision.pose.PoseLandmark        // for testing
+
 /**
  * @brief Owns all CameraX use-case binding and recording control.
  *
@@ -271,7 +273,18 @@ class CameraXController(
                     mirror = frame.isMirroring
                 )
                 PoseSkeletonRenderer.draw(canvas, poseFrame.landmarks, transform, overlayBonePaint, overlayJointPaint)
-                feedbackUI?.drawCircles(canvas, poseFrame.landmarks, transform, true)
+
+                // currentLandmarks to change to landmarks that require highlighting
+                // test code to contain only left wrist in currentLandmarks to not clutter the screen
+                val leftWrist = poseFrame.landmarks[PoseLandmark.LEFT_WRIST]
+
+                // Build a single‑item map if it exists
+                val singleLandmark = if (leftWrist != null) {
+                    mapOf(PoseLandmark.LEFT_WRIST to leftWrist)
+                } else {
+                    emptyMap()
+                }
+                feedbackUI?.drawCircles(canvas, singleLandmark, transform, true)
                 feedbackUI?.showBanner(canvas, "Body too upright, take a larger 1st step", true)
             }
             true