awesome-attractor/kernels/Lorenz3D.cpp

#include "Lorenz3D.hpp"
#include <algorithm>


#pragma mark -
#pragma mark ctors

Lorenz3D::Lorenz3D():
	AttractorKernel(3, 4) {
	init();
}

void Lorenz3D::init() {
	// setting some starting values
	std::fill_n(vectorOld, dimension, 1.0);
	std::fill_n(vectorNew, dimension, 1.0);
}


#pragma mark -
#pragma mark attractor

void Lorenz3D::operator()() {
	std::swap(vectorNew, vectorOld);

	vectorNew[0] = vectorOld[0] + parameters[0] * parameters[1] * (vectorOld[1] - vectorOld[0]);
	vectorNew[1] = vectorOld[1] + parameters[0] * (vectorOld[0] * (parameters[2] - vectorOld[2]) - vectorOld[1]);
	vectorNew[2] = vectorOld[2] + parameters[0] * (vectorOld[0] * vectorOld[1] - parameters[3] * vectorOld[2]);
}

/*
4D:
	new_point[0] = point[0] + param[0] * param[1] * (point[1] - point[0]);
	new_point[1] = point[1] + param[0] * (point[0] * (param[2] - point[2]) - point[1] + point[3]);
	new_point[2] = point[2] + param[0] * (point[0] * point[1] - param[3] * point[2]);
	new_point[3] = point[3] - param[0] * param[4] * point[0];
	break;
*/