db-lgtv-focus-engine/class/Point.js

the Best TV focus engine

function dbPoint(x, y) {
    this.x = x
    this.y = y
}

dbPoint.prototype.getDistance = function (_p) {
    let øx = Math.abs(_p.x - this.x)
    let øy = Math.abs(_p.y - this.y)
    let distance = Math.sqrt(Math.pow(øx, 2) + Math.pow(øy, 2))
    return distance
}

dbPoint.prototype.getWeightDistance = function (_p, direction) {
    let øx = Math.abs(_p.x - this.x)
    let øy = Math.abs(_p.y - this.y)
    if (['top', 'bottom'].includes(direction)) {
        øy *= 4
    }
    if (['left', 'right'].includes(direction)) {
        øx *= 2
    }
    let distance = Math.sqrt(Math.pow(øx, 2) + Math.pow(øy, 2))
    return distance
}

export default dbPoint