reverseFt method
void
reverseFt()
(en)Reverse the orientation of this face. Internally, the order of 3D vectors except the beginning is reversed.
(ja)この面の向きを反転します。内部では先頭を除く3Dベクトルの順番が反転します。
Implementation
void reverseFt() {
if (vertexIndexList.length > 2) {
List<int> nl = [];
nl.add(vertexIndexList.removeAt(0));
nl.addAll(vertexIndexList.reversed);
vertexIndexList = nl;
}
}