export type Point = [x: number, y: number];
export type Rect = [x: number, y: number, width: number, height: number];

export function rectContains(rect: Rect, point: Point): boolean {
  const [x, y, width, height] = rect;
  const [px, py] = point;
  return px >= x && px <= x + width && py >= y && py <= y + height;
}