import {Pos} from "./Pos";


export interface Box {
    x: number,
    y: number,
    width: number,
    height: number
}

export function boundsOf(...positions: Pos[]): Box {

    const allPosX = positions.map(p => p.x)
    const allPosY = positions.map(p => p.y)

    const x = Math.min(...allPosX)
    const y = Math.min(...allPosY)
    const width = Math.max(...allPosX) - x
    const height = Math.max(...allPosY) - y

    return {x, y, width, height}
}

export function surrounds(pos: Pos, width: number, height: number): Box {
    return {
        x: pos.x + (width / 2),
        y: pos.y + (height / 2),
        width,
        height
    }
}

export function contains(box: Box, pos: Pos): boolean {
    return (pos.x >= box.x && pos.x <= box.x + box.width && pos.y >= box.y && pos.y <= box.y + box.height)
}