Function tileAt

examples/isometric-rpg/main.ts:110–113

(x: number, y: number)

}

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

function setTile(x: number, y: number, t: number): void {
  if (x >= 0 && x < MAP_W && y >= 0 && y < MAP_H) {