export type Pos = {
    x: number, y: number,
};
export type Box = Pos & {
    width: number, height: number,
}
export function posInBox(box: Box, pos: Pos) {
    return pos.x > box.x && pos.x < box.x + box.width
        && pos.y > box.y && pos.y < box.y + box.height
}