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#pragma once
#include "data_cell.h"
#include "data_cell_buffer.h"
#include "fluid_buffer.h"
constexpr DataCell weight{
1./36., 1./9., 1./36.,
1./9., 4./9., 1./9.,
1./36., 1./9., 1./36
};
struct Cell : DataCell {
void equilibrize(Density d, Velocity v);
double sum() const;
Velocity velocity(Density d) const;
};
void streamFluidCell(DataCellBuffer& pop, std::size_t x, std::size_t y);
void collideFluidCell(
double omega,
DataCellBuffer& pop, FluidBuffer& fluid,
std::size_t x, std::size_t y);
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