if (currentFacesCurrentVDNormal == null){
currentVertexDataP0OrP1OrP2.setUniqueVertexNormal(vertexNormalsCurrentFace[i]);
logger.debug("Face " + j + ", vdP" + i + " (Vertex: " + vertexDatas.get(currentVertexPointer).getVertex() + ")" + " normal not yet set -> set it: " + vertexNormalsCurrentFace[i]);
}else{//Vertexdata at index already contains a vertexnormal -> check if its the equal to this faces currentVD's
if (currentFacesCurrentVDNormal.equalsVectorWithTolerance(vertexNormalsCurrentFace[i], ToolsMath.ZERO_TOLERANCE)){
logger.debug("Face " + j + ", vdP" + i + " (Vertex: " + vertexDatas.get(currentVertexPointer).getVertex() + ")" + " already CONTAINS a normal with the same values as the normal of this faces point -> we can leave the index and normal at the same place: N:" + vertexNormalsCurrentFace[i]);
}else{
int duplicateIndexOfSameVertDiffNormal = currentVertexDataP0OrP1OrP2.getVertDuplicateSameVertDiffNormalListIndex(vertexNormalsCurrentFace[i]);
if (duplicateIndexOfSameVertDiffNormal != -1){ //Es gibt schon ein duplicate mit gleichen tex coords wie dieses hier, adde bei duplicateIndex