public bool canMoveTo(Vector3 dir)
{
for (int i = 0; i < transform.childCount; ++i)
{
Transform block = transform.GetChild(i);
int x = Mathf.RoundToInt(block.position.x + dir.x);
int y = Mathf.RoundToInt(block.position.y + dir.y);
if (blockMap.isOutOfGrid(x, y))
{
return(false);
}
else if (blockMap.findBlock(x, y))
{
return(false);
}
}
return(true);
}
