38 lines
716 B
JavaScript
38 lines
716 B
JavaScript
export const BOX_SIZE = 9;
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export const CENTER = Math.floor(BOX_SIZE / 2);
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function create_world (size) {
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return {
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tiles: Array(BOX_SIZE).fill(0).map(_ => Array(BOX_SIZE).fill(0)),
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};
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}
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const world = create_world(BOX_SIZE);
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export function set_tile (world, x, y, tile) {
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if (out_of_bounds(x, y)) return;
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world.tiles[x][y] = tile;
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}
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export function get_tile (world, x, y) {
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if (out_of_bounds(x, y)) return { type: "out_of_bounds" };
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return world.tiles[x][y];
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}
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export function create_box (parent) {
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return {
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...create_world(BOX_SIZE),
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parent,
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};
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}
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export function get_root () {
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return world;
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}
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export function out_of_bounds (x, y) {
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return x < 0 || x >= BOX_SIZE ||
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y < 0 || y >= BOX_SIZE
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}
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