building-rotavo-22.js

_onPointerdown(e) {
  e.preventDefault();
  this._touchX = e.clientX;
  this._touchY = e.clientY;
  // ✂️ Chop out existing code, extract into new method
  this._rotationStart();
  this.setPointerCapture(e.pointerId);
  this.addEventListener('pointermove', this._onPointermove);
  this.addEventListener('pointerup', this._onPointerup);
  this.addEventListener('pointercancel', this._onPointerup);
}
_onPointermove(e) {
  e.preventDefault();
  this._touchX = e.clientX;
  this._touchY = e.clientY;
  // ✂️ Cut and paste again
  this._rotationChange();
}
_onPointerup(e) {
  e.preventDefault();
  // ✂️ One last time!
  this._rotationEnd();
  this.releasePointerCapture(e.pointerId);
  this.removeEventListener('pointermove', this._onPointermove);
  this.removeEventListener('pointerup', this._onPointerup);
  this.removeEventListener('pointercancel', this._onPointerup);
}