TO SQUASH: Nuke ball fixes.

Assets/Scripts/Game/Balls/NukeBall.cs

@@ -6,10 +6,12 @@ public class NukeBall : BallBase
 
     public AudioClip explosionSound;
 
+    public WorldFiller worldFiller;
+
     // Tracks escalating danger/critical phases for audio cues.
     private int criticalState = 0;
 
-    private float criticalTime = 1.0f;
+    private float criticalTime = 0.5f;
 
     private float criticalTimer = 0.0f;
 
@@ -92,12 +94,16 @@ public class NukeBall : BallBase
 
             transform.position = currentPosition;
         }
+    }
 
-        // When in critical state 2, play the critical sound every half a second.
-        if (criticalState == 2)
-        {
-            criticalTimer = 0.5f;
-        }
+    void Update()
+    {
+        // Set critical state.
+        var area = worldFiller != null ? worldFiller.GetAreaPercentOfFreeRegion(transform.position) : -1.0f;
+        criticalState = (area < 0.2f) ? 2 : (area < 0.4f) ? 1 : 0;
+
+        // State 1 beeps every 0.5s, state 2 beeps every 0.25s.
+        criticalTime = (criticalState == 2) ? 0.5f : 1.0f;
 
         // If in a critical state, increment the critical timer and play the
         // critical sound if the timer exceeds the critical time.
@@ -108,9 +114,13 @@ public class NukeBall : BallBase
             if (criticalTimer >= criticalTime)
             {
                 audioSource.PlayOneShot(criticalSound);
-            }
 
-            // Restart timing window for the next critical beep.
+                // Keep fractional overflow so cadence stays stable across frame rates.
+                criticalTimer -= criticalTime;
+            }
+        }
+        else
+        {
             criticalTimer = 0.0f;
         }
     }
@@ -142,6 +152,12 @@ public class NukeBall : BallBase
                 currentPosition.y = bounceStartY;
                 transform.position = currentPosition;
             }
+            else if (contact.normal.y <= -0.5f)
+            {
+                isBouncingToHeight = false;
+                bounceTimer = 0.0f;
+                height = contact.point.y - 0.01f;
+            }
         }
         else
         {