(function() {

const animReq = (data) => {
  const { newRotation, character } = data;
  console.log('')
  const rotationDuration = getRotationDuration(newRotation, character.rotation);
  console.log('')
  return rotationDuration;
}

function getRotationDuration(newRotation, oldRotation) {
  return getRotationDeltaDuration(newRotation - oldRotation);
}

function getRotationDeltaDuration(rotationDelta) {
  const durationMultiplier = Math.round(Math.abs(rotationDelta)) / 180;
  if (durationMultiplier === 0) {
    return 0;
  }
  return lerp(150, 450, durationMultiplier);
}

function lerp(v0,v1,t) {
  return v0 * (1 - t) + v1 * t;
}


animReq({
  newRotation: 10,
  character: {
    rotation: 100
  }
});

})()