Generic MVP working

Assets/Scripts/Common/Visual/TrajectoryPreview.cs

@@ -68,12 +68,17 @@ namespace Common.Visual
         #region Public API - Visibility
         
         /// <summary>
-        /// Show the trajectory preview line
+        /// Show the trajectory preview line.
+        /// Clears any existing trajectory data so nothing displays until UpdateTrajectory is called.
         /// </summary>
         public void Show()
         {
             if (_lineRenderer != null)
             {
+                // Clear old trajectory data
+                _lineRenderer.positionCount = 0;
+                
+                // Enable the line renderer
                 _lineRenderer.enabled = true;
             }
         }
@@ -106,6 +111,21 @@ namespace Common.Visual
             }
         }
         
+        /// <summary>
+        /// Force hide the trajectory immediately, clearing any lock state.
+        /// Use this when transitioning turns or resetting the slingshot.
+        /// </summary>
+        public void ForceHide()
+        {
+            _isLocked = false;
+            _lockTimer = 0f;
+            
+            if (_lineRenderer != null)
+            {
+                _lineRenderer.enabled = false;
+            }
+        }
+        
         #endregion
         
         #region Public API - Update Trajectory (Multiple Overloads)