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80 lines
2.6 KiB
80 lines
2.6 KiB
#include "Node.h"
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Node::Node(sf::Vector2i position_) {
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position = position_;
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curr_state = false;
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next_state = false;
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}
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Node::~Node() {
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}
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void Node::Revive() {
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next_state = true;
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curr_state = true;
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}
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int Node::CurrentState() {
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return curr_state;
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}
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void Node::ShiftState() {
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curr_state = next_state;
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}
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void Node::Update(std::vector<Node> *node_vec) {
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int neighbors = 0;
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// x , y + 1
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// x + 1 , y
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// x , y - 1
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// x - 1 , y
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if (position.x < x_bound - 1 && position.x > -1 && position.y + 1 < y_bound - 1 && position.y + 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x, position.y + 1))).CurrentState();
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}
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if (position.x + 1 < x_bound - 1 && position.x + 1 > -1 && position.y < y_bound - 1 && position.y > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x + 1, position.y))).CurrentState();
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}
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if (position.x < x_bound - 1 && position.x > -1 && position.y - 1 < y_bound - 1 && position.y - 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x, position.y - 1))).CurrentState();
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}
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if (position.x - 1 < x_bound - 1 && position.x - 1 > -1 && position.y < y_bound - 1 && position.y > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x - 1, position.y))).CurrentState();
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}
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// x + 1, y + 1
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// x + 1, y - 1
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// x - 1, y + 1
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// x - 1, y - 1
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if (position.x + 1 < x_bound - 1 && position.x + 1 > -1 && position.y + 1 < y_bound - 1 && position.y + 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x + 1, position.y + 1))).CurrentState();
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}
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if (position.x + 1 < x_bound - 1 && position.x + 1 > -1 && position.y - 1 < y_bound - 1 && position.y - 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x + 1, position.y - 1))).CurrentState();
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}
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if (position.x - 1 < x_bound - 1 && position.x - 1 > -1 && position.y + 1 < y_bound - 1 && position.y + 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x - 1, position.y + 1))).CurrentState();
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}
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if (position.x - 1 < x_bound - 1 && position.x - 1 > -1 && position.y - 1 < y_bound - 1 && position.y - 1 > -1) {
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neighbors += node_vec->operator[](multi_to_linear(sf::Vector2i(position.x - 1, position.y - 1))).CurrentState();
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}
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if (neighbors == 3 || (neighbors == 2 && curr_state)) {
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next_state = true;
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}
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else
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next_state = false;
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}
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sf::Vector2i Node::linear_to_multi(int position_) {
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return sf::Vector2i(position_ % x_bound, position_ / x_bound);
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}
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int Node::multi_to_linear(sf::Vector2i position) {
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return position.x * x_bound + position.y;
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}
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