Function isWalkable

examples/isometric-rpg/main.ts:121–124

(x: number, y: number)

}

function isWalkable(x: number, y: number): boolean {
  const t = tileAt(x, y);
  return t !== T_WATER && t !== T_WALL;
}

function tileColor(t: number): Color {
  if (t === T_GRASS) return { r: 80, g: 160, b: 60, a: 255 };