final boolean NA() {
	anInt5643++;
	if (vertexGroups == null)
	    return false;
	for (int i = 0; i < anInt5642; i++) {
	    anIntArray5543[i] <<= 4;
	    anIntArray5593[i] <<= 4;
	    anIntArray5644[i] <<= 4;
	}
	Class221.anInt2880 = 0;
	za.anInt7275 = 0;
	Class181.anInt2398 = 0;
	return true;
    }