Randomize life at brick spawn

godot/scripts/LifeContainer.gd

@@ -11,7 +11,7 @@ const rect_pad = Vector2(3, 3)
 
 
 func spawn_brick(x, y, maximum_life):
-	living_cells[Vector2(x, y)] = maximum_life
+	living_cells[Vector2(x, y)] = randi() % maximum_life + 1
 	update()