SgMesh* MeshGenerator::generateArrow(double length, double width, double coneLengthRatio, double coneWidthRatio)
{
double r = width / 2.0;
double h = length * coneLengthRatio;
SgShapePtr cone = new SgShape;
//setDivisionNumber(20);
cone->setMesh(generateCone(r * coneWidthRatio, h));
SgPosTransform* conePos = new SgPosTransform;
conePos->setTranslation(Vector3(0.0, length / 2.0 + h / 2.0, 0.0));
conePos->addChild(cone);
SgShapePtr cylinder = new SgShape;
//setDivisionNumber(12);
cylinder->setMesh(generateCylinder(r, length, true, false));
//cylinder->setMesh(generateCylinder(r, length - h, true, false));
//SgPosTransform* cylinderPos = new SgPosTransform;
//cylinderPos->setTranslation(Vector3(0.0, -h, 0.0));
//cylinderPos->addChild(cylinder);
MeshExtractor meshExtractor;
SgGroupPtr group = new SgGroup;
group->addChild(conePos);
//group->addChild(cylinderPos);
group->addChild(cylinder);
return meshExtractor.integrate(group);
}
SgNode* VRMLSceneLoaderImpl::load(const std::string& filename)
{
converter.clearConvertedNodeMap();
SgGroupPtr top = new SgGroup;
try {
parser.load(filename);
while(VRMLNodePtr vrml = parser.readNode()){
SgNodePtr node = converter.convert(vrml);
if(node){
top->addChild(node);
}
}
parser.checkEOF();
} catch(EasyScanner::Exception& ex){
os() << ex.getFullMessage() << endl;
return 0;
}
if(top->empty()){
os() << format(_("VRML file \"{}\" does not have any valid entity."), filename) << endl;
return 0;
}
if(top->numChildren() == 1){
return top->child(0);
}
return top.retn();
}