Rotation.cpp

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#include "Utilities/MSLang/Rotation.h"
 
#include "Utilities/MSLang/ArgumentExtractor.h"
#include "Utilities/MSLang/matheval.h"
 
#include <cmath>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
 
namespace mslang {
    void Rotation::print(int indentwidth) {
        std::string indent(indentwidth, ' ');
        std::string indent2(indentwidth + 8, ' ');
        std::cout << indent << "rotate, " << std::endl;
        func_m->print(indentwidth + 8);
        std::cout << ",\n"
                  << indent2 << "angle: " << angle_m;
    }
 
    void Rotation::applyRotation(std::vector<std::shared_ptr<Base> > &bfuncs) {
 
        AffineTransformation rotation(Vector_t({std::cos(angle_m), std::sin(angle_m), 0.0}),
                                      Vector_t({-std::sin(angle_m), std::cos(angle_m), 0.0}));
 
        const unsigned int size = bfuncs.size();
 
        for (unsigned int j = 0; j < size; ++ j) {
            std::shared_ptr<Base> &obj = bfuncs[j];
            obj->trafo_m = obj->trafo_m.mult(rotation);
 
            if (!obj->divisor_m.empty())
                applyRotation(obj->divisor_m);
        }
    }
 
    void Rotation::apply(std::vector<std::shared_ptr<Base> > &bfuncs) {
        func_m->apply(bfuncs);
        applyRotation(bfuncs);
    }
 
    bool Rotation::parse_detail(iterator &it, const iterator &end, Function* &fun) {
        Rotation *rot = static_cast<Rotation*>(fun);
        if (!parse(it, end, rot->func_m)) return false;
 
        ArgumentExtractor arguments(std::string(++ it, end));
        try {
            rot->angle_m = parseMathExpression(arguments.get(0));
        } catch (std::runtime_error &e) {
            std::cout << e.what() << std::endl;
            return false;
        }
 
        it += (arguments.getLengthConsumed() + 1);
 
        return true;
    }
}