export const lerp = (a: number, b: number, t: number) => a + (b - a) * t

export const clamp = (v: number, min: number, max: number) =>
  Math.min(Math.max(v, min), max)

export const dist = (ax: number, ay: number, bx: number, by: number) =>
  Math.sqrt((bx - ax) ** 2 + (by - ay) ** 2)

export const dist2 = (ax: number, ay: number, bx: number, by: number) =>
  (bx - ax) ** 2 + (by - ay) ** 2

export const angleTo = (ax: number, ay: number, bx: number, by: number) =>
  Math.atan2(by - ay, bx - ax)

export const toRad = (deg: number) => (deg * Math.PI) / 180
export const toDeg = (rad: number) => (rad * 180) / Math.PI