public override void KeysEventPointedLine() { if ((KeyCode.Backspace.IsDown())) { var a = PointedLine.points[0]; var b = PointedLine.points[1]; if (!EditorInputManager.Control) { EditedMesh.SwapLine(a.meshPoint, b.meshPoint); } else { EditedMesh.DeleteLine(PointedLine); } EditedMesh.Dirty = true; } }