Trig functions for an object to face a player

Voxels: billboard.js

// 
// Not Used

setInteraval(() => {
  const p = parcel.getPlayersWithinParcel()[0]
  let v1 = feature.position
  let v2 = p.position
  let angle = Math.atan2(v1.z - v2.z, v1.x - v2.x)
  console.log(Math.PI / -2 - angle )
  let r1 = feature.rotation.y 
  console.log("R1: " + r1)

  let newAngle = Math.PI / -2 - angle
  console.log("New angle: " + newAngle)
  let delta = newAngle - r1
  console.log("Delta: ", delta)

  lr r2 = feature.createAntimation('rotation')
  r2.setKeys([{
    frame:6,
    value: feature.rotation.add(new Vector3(0, delta, 0) )
  }])
  feature.startanimation( [r2] )
  feature.rotation.y = newAngle
}, 400)

# - "Turn vox to face player' by Gvan`
# https://twitter.com/__gvan__/status/1530581206655442949