Keyboard strobing moved to a new thread so that fast typing is possible even if the game's update method is running slowly

src/net/torvald/terrarum/ui/UIItem.kt

@@ -4,6 +4,7 @@ import com.badlogic.gdx.graphics.Camera
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import com.badlogic.gdx.utils.Disposable
 import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.gamecontroller.TerrarumKeyboardEvent
 
 
 /**
@@ -238,6 +239,9 @@ abstract class UIItem(var parentUI: UICanvas, val initialX: Int, val initialY: I
 
         return false
     }
+    open fun inputStrobed(e: TerrarumKeyboardEvent) {
+
+    }
 
     abstract override fun dispose()