Function tileAt

examples/dungeon-crawl/main.ts:57–60

(x: number, y: number)

let messageTimer = 3;

function tileAt(x: number, y: number): number {
  if (x < 0 || x >= MAP_WIDTH || y < 0 || y >= MAP_HEIGHT) return TILE_WALL;
  return map[y * MAP_WIDTH + x];
}

function setTile(x: number, y: number, tile: number): void {
  if (x >= 0 && x < MAP_WIDTH && y >= 0 && y < MAP_HEIGHT) {