export interface IPoint {
    x: number
    y: number
}

/**
 * calc angle from 2 point
 * return Deg
 * @param p1
 * @param p2
 */
export function angleFrom2Point(p1: IPoint, p2: IPoint): number {
    let angleRadians = Math.atan2(p2.y - p1.y, p2.x - p1.x)
    let angleDeg = (angleRadians * 180) / Math.PI
    return angleDeg
}