/// <summary>
/// 頂点の削除
/// </summary>
private void RemoveVertex(int index)
{
int count = renderer.GetVertexCount();
if (connected && count <= 4)
{
return;
}
else if (count == 1)
{
//最後の頂点を削除
Exit();
}
//削除処理
if (index == 0 && connected)
{
Vector2 point = renderer.GetVertex(1);
renderer.Change(count - 1, point);
}
renderer.Remove(index);
HideMarkers();
IndicateRemoveMarkers(renderer.GetVertices());
}
/// <summary>
/// 戻る
/// </summary>
private void Escape()
{
//頂点数が0確認
if (renderer.GetVertexCount() == 0)
{
//終了
Exit();
}
else
{
//全削除
renderer.Clear();
//スナップだけ残す
SetSnap();
}
}