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37 lines
997 B
37 lines
997 B
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#ifndef UNRAVELHEART3D_HPP
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#define UNRAVELHEART3D_HPP
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#include "../AttractorKernel.hpp"
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#include <cmath>
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class UnravelHeart3D : public AttractorKernel {
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public:
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UnravelHeart3D():
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AttractorKernel(3, 8) {}
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virtual std::string type() { return "unravel heart"; };
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virtual void operator()() {
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std::swap(vectorNew, vectorOld);
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vectorNew[0] = parameters[0]*(vectorOld[2] + parameters[1]);
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vectorNew[1] = parameters[2]*(vectorOld[0] + parameters[3]);
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vectorNew[2] = parameters[4]*(vectorOld[1] + parameters[5]);
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const double dist = vectorNew[0]*vectorNew[0] + vectorNew[1]*vectorNew[1] + 2.0*vectorNew[2]*vectorNew[2];
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if(parameters[7] * dist - parameters[7] > vectorNew[0]*vectorNew[0]*vectorNew[1]*vectorNew[1]*vectorNew[1]) {
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const double sqrtDist = std::sqrt(dist);
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const double p = 1.0 - parameters[6] * (static_cast<int>(sqrtDist / parameters[6]) + 1.0) / sqrtDist;
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vectorNew[0] *= p;
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vectorNew[1] *= p;
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vectorNew[2] *= p;
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}
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}
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};
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#endif // UNRAVEL_HPP
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