/// <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();
ShowRemoveMarkers(renderer.GetVertices());
//コールバック
onChangeVertex.Invoke(renderer.GetVertices());
}
/// <summary>
/// 予告線の設定
/// </summary>
private void SetNoticeLine()
{
int count = renderer.GetVertexCount();
if (count == 0)
{
renderer.SetSubVertices(null);
return;
}
//予告線の更新
Vector2 mPoint;
polyLine.GetMousePoint(out mPoint);
//スナップ
Vector2 snapPoint;
if (snapper.Snap(mPoint, out snapPoint))
{
mPoint = snapPoint;
}
//予告線の描画
renderer.SetSubVertices(renderer.GetVertex(count - 1), mPoint);
}
