reset method

dynamic reset()

• Reset trackball

Implementation

reset() {
  this.camera.zoom = this._zoom0;

  if (this.camera is PerspectiveCamera) {
    this.camera.fov = this._fov0;
  }

  this.camera.near = this._nearPos;
  this.camera.far = this._farPos;
  this._cameraMatrixState.copy(this._cameraMatrixState0);
  this._cameraMatrixState.decompose(
      this.camera.position, this.camera.quaternion, this.camera.scale);
  this.camera.up.copy(this._up0);

  this.camera.updateMatrix();
  this.camera.updateProjectionMatrix();

  this._gizmoMatrixState.copy(this._gizmoMatrixState0);
  this._gizmoMatrixState0.decompose(
      this._gizmos.position, this._gizmos.quaternion, this._gizmos.scale);
  this._gizmos.updateMatrix();

  this._tbRadius = this.calculateTbRadius(this.camera);
  this.makeGizmos(this._gizmos.position, this._tbRadius);

  this.camera.lookAt(this._gizmos.position);

  this.updateTbState(STATE2.IDLE, false);

  this.dispatchEvent(_changeEvent);
}