Update utils.py

utils.py

@@ -93,3 +93,25 @@ def render_annotated_clip(frames, analysis, decision, reason, output_path):
         out.write(verdict_card)
 
     out.release()
+
+def overlay_dynamic_tracking(frames, output_path):
+    trajectory_points = [(200 + i * 10, 300 - i * 7) for i in range(min(len(frames), 6))]
+    h, w = frames[0].shape[:2]
+    out = cv2.VideoWriter(output_path, cv2.VideoWriter_fourcc(*'mp4v'), 20.0, (w, h))
+
+    for i, frame in enumerate(frames):
+        annotated = frame.copy()
+        # Draw previous path
+        for j in range(1, min(i+1, len(trajectory_points))):
+            cv2.line(annotated, trajectory_points[j-1], trajectory_points[j], (0, 255, 0), 2)
+        # Draw ball
+        if i < len(trajectory_points):
+            cv2.circle(annotated, trajectory_points[i], 8, (0, 255, 0), -1)
+        # Optional: Stump zone or labels
+        cv2.putText(annotated, "Ball Tracking Simulation", (30, 40),
+                    cv2.FONT_HERSHEY_SIMPLEX, 1.0, (255,255,255), 2)
+        out.write(annotated)
+
+    out.release()
+    return output_path
+