60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#include <regex>
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#include "MBDynGravity.h"
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#include "ASMTConstantGravity.h"
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#include "ASMTAssembly.h"
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using namespace MbD;
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void MbD::MBDynGravity::parseMBDyn(std::string line)
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{
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gravityString = line;
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size_t previousPos = 0;
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auto pos = line.find(":");
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auto front = line.substr(previousPos, pos - previousPos);
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assert(front.find("gravity") != std::string::npos);
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auto arguments = std::vector<std::string>();
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std::string argument;
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while (true) {
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previousPos = pos;
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pos = line.find(",", pos + 1);
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if (pos != std::string::npos) {
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argument = line.substr(previousPos + 1, pos - previousPos - 1);
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arguments.push_back(argument);
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}
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else {
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argument = line.substr(previousPos + 1);
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arguments.push_back(argument);
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break;
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}
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}
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assert(arguments.at(0).find("uniform") != std::string::npos);
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arguments.erase(arguments.begin());
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gvec = readPosition(arguments);
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assert(arguments.at(0).find("string") != std::string::npos);
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arguments.erase(arguments.begin());
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auto iss = std::istringstream(arguments.at(0));
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iss >> formula;
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formula = std::regex_replace(formula, std::regex("\""), "");
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double mag;
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iss = std::istringstream(formula);
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iss >> mag;
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arguments.erase(arguments.begin());
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gvec->normalizeSelf();
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gvec->magnifySelf(mag);
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}
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void MbD::MBDynGravity::readFunction(std::vector<std::string>& args)
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{
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assert(false);
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noop();
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}
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void MbD::MBDynGravity::createASMT()
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{
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auto asmtGravity = std::make_shared<ASMTConstantGravity>();
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asmtGravity->setg(gvec);
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asmtAssembly()->setConstantGravity(asmtGravity);
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}
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