package wow.doge.mygame.math;

import cats.Show

import math.{abs, pow, sqrt}

case class ImVector3f(x: Float, y: Float, z: Float)
object ImVector3f {
  val ZERO = ImVector3f(0, 0, 0)
  val UNIT_X = ImVector3f(1, 0, 0)
  val UNIT_Y = ImVector3f(0, 1, 0)
  val UNIT_Z = ImVector3f(0, 0, 1)

  def dst(v1: ImVector3f, v2: ImVector3f) =
    sqrt(
      pow((v1.x - v2.x).toDouble, 2) + pow((v1.y - v2.y).toDouble, 2) + pow(
        (v1.z - v2.z).toDouble,
        2
      )
    )
  def manhattanDst(v1: ImVector3f, v2: ImVector3f) =
    abs(v1.x - v2.x) + abs(v1.y - v2.y) + abs(v1.z - v2.z)

  implicit val showForImVector3f = new Show[ImVector3f] {
    def format(f: Float) = f.formatted("%.2f")
    override def show(t: ImVector3f): String =
      s"ImVector3f(${format(t.x)},${format(t.y)},${format(t.z)})"
  }
}