private void FindClosestMine()
 {
     // If this is the first time or a mine is destroyed (Resource count has decreased
     // Find the closest mine
     if (closestMine == null || gameState.Resources.Count < resourceCount)
     {
         float closestMineDist = float.MaxValue;
         foreach (ResourceSprite mineResource in gameState.Resources.Where(x => x.ResourceType == ResourceType.MINE).ToList())
         {
             foreach (UnitSprite baseUnit in myBases)
             {
                 float mineDist = Vector2.Distance(mineResource.Position, baseUnit.Position);
                 if (mineDist < closestMineDist)
                 {
                     closestMineDist = mineDist;
                     closestMine = mineResource;
                 }
             }
         }
     }
 }