@2d-game-grid/square
Version:
A simple square grid made for games
26 lines (25 loc) • 1.02 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.listCellsInDistance = listCellsInDistance;
const core_1 = require("@2d-game-grid/core");
/**
* @param cell The start cell
* @param maxDistance The maximum distance (including) to a cell that should be returned
* @param algorithm The algorithm that should be used for the distance calculation
* @returns All cells that are in the distance (excluding the start cell)
*/
function listCellsInDistance(cell, maxDistance, algorithm) {
const queue = new core_1.UniqueCellQueue();
const neighbors = cell.neighbors.list(core_1.ALL_DIRECTIONS);
queue.ignore(cell);
queue.addAll(neighbors);
const cellsInDistance = [];
while (queue.hasNext()) {
const nextCell = queue.getNext();
if (nextCell.getDistance(cell, algorithm) <= maxDistance) {
cellsInDistance.push(nextCell);
queue.addAll(nextCell.neighbors.list(core_1.ALL_DIRECTIONS));
}
}
return cellsInDistance;
}