static void DrawConnections(NavGrid grid, Vector2i coord)
{
Vector2i left = coord;
left.x -= 1;
if (grid.IsValidCoord(left) && grid.GetCaseAt(left) != null)
{
DrawLine(grid, coord, left);
}
Vector2i bot = coord;
bot.y -= 1;
if (grid.IsValidCoord(bot) && grid.GetCaseAt(bot) != null)
{
DrawLine(grid, coord, bot);
}
}
