Added check to hide robots not in the current layer

Scripts/Robot/Robot.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 using Godot;
@@ -27,6 +28,8 @@ public partial class Robot : Node3D
 			}
 		}
 
+		Visible = Math.Round(Math.Abs(Position.Y / GameData.tileHeight), 0) == GameData.visibleLayer;
+
 	}
 	public void Move()
 	{