public void remove(IPuzzleLayer layer)
{
var i = layer.GetLayerIndex();
layers.RemoveAt(i);
layer.SetLayerIndex(Tool.NullIndex);
refreshLayerDepth();
}
public void update(IPuzzleLayer layer, bool downToUp = true)
{
var i = layer.GetLayerIndex();
layers.RemoveAt(i);
// 從下往上插入會比較快
if (downToUp)
{
downToUpInsert(layer);
}
else
{
upToDownInsert(layer);
}
refreshLayerDepth();
}