@2d-game-grid/square/dist/esm/SquareNeighbors.js

A simple square grid made for games

import { ALL_DIRECTIONS, Neighbors } from '@2d-game-grid/core';
/**
 * The representation of all neighbors of a cell
 */
export class SquareNeighbors extends Neighbors {
    /**
     * @param directions The allowed directions
     * @returns An array of all existing neighbor cell coordinates
     */
    listCoordinates(directions = ALL_DIRECTIONS) {
        return super.listCoordinates(directions);
    }
    /**
     * @param directions The allowed directions
     * @returns An array of all existing neighbor cells
     */
    list(directions = ALL_DIRECTIONS) {
        return super.list(directions);
    }
    getOffsetCoordinate(direction) {
        return {
            TOP_LEFT: { col: -1, row: -1 },
            TOP: { col: 0, row: -1 },
            TOP_RIGHT: { col: 1, row: -1 },
            RIGHT: { col: 1, row: 0 },
            BOTTOM_RIGHT: { col: 1, row: 1 },
            BOTTOM: { col: 0, row: 1 },
            BOTTOM_LEFT: { col: -1, row: 1 },
            LEFT: { col: -1, row: 0 },
        }[direction];
    }
}