void MoveLeft()
{
GridLocation left = GridController.Left(location);
if (left != null && GridController.CanWalkOn(left))
{
nextlocation = left;
}
}
void MoveDown()
{
GridLocation down = GridController.Below(location);
if (down != null && GridController.CanWalkOn(down))
{
nextlocation = down;
}
}
void MoveRight()
{
GridLocation right = GridController.Right(location);
if (right != null && GridController.CanWalkOn(right))
{
nextlocation = right;
}
}
void MoveUp()
{
GridLocation above = GridController.Above(location);
if (above != null && GridController.CanWalkOn(above))
{
nextlocation = above;
}
}