ball-interpolation.js

// we interpolate between the actual (received) position and the position
// the user would expect. after 500ms both positions are the same.
const fauxPosition = new Vector3().lerpVectors(
  this.physics.ball.position,
  new Vector3().addVectors(
    this.physics.ball.position,
    this.ballPositionDifference
  ),
  this.ballInterpolationAlpha
);
this.ball.position.copy(fauxPosition);
this.ball.quaternion.copy(this.physics.ball.quaternion);