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#pragma once
#include "data_cell_buffer.h"
#include "boundary_conditions.h"
struct BoxObstacle {
const std::size_t lower_x_;
const std::size_t lower_y_;
const std::size_t upper_x_;
const std::size_t upper_y_;
BoxObstacle(std::size_t lX, std::size_t lY, std::size_t uX, std::size_t uY):
lower_x_(lX), lower_y_(lY), upper_x_(uX), upper_y_(uY) { }
bool isInside(std::size_t x, std::size_t y) const {
return x > lower_x_
&& x < upper_x_
&& y > lower_y_
&& y < upper_y_;
}
void applyBoundary(DataCellBuffer& pop) const {
for ( std::size_t x = lower_x_+1; x < upper_x_; ++x ) {
computeWallCell(pop, {x, lower_y_}, { 0,-1});
computeWallCell(pop, {x, upper_y_}, { 0, 1});
}
for ( std::size_t y = lower_y_+1; y < upper_y_; ++y ) {
computeWallCell(pop, {lower_x_, y}, {-1, 0});
computeWallCell(pop, {upper_x_, y}, { 1, 0});
}
computeWallCell(pop, {lower_x_, lower_y_}, {-1,-1});
computeWallCell(pop, {upper_x_, lower_y_}, { 1,-1});
computeWallCell(pop, {upper_x_, upper_y_}, { 1, 1});
computeWallCell(pop, {lower_x_, upper_y_}, {-1, 1});
}
};
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