Method transform

modules/core/MapSystem.js:529–540

* transform * Set/Get the map transform * IF setting, will schedule an update of map transform. * All convenience methods for adjusting the map go through here. * @param t2 Transform Object with `x`,`y`,`k`,`r` properties. * @param duration? Duration of the transition in mi

(t2, duration)

   * @return map transform -or- this
   */
  transform(t2, duration) {
    if (t2 === undefined) {
      return this.context.viewport.transform.props;
    }

    // Avoid tiny or out of bounds rotations
    t2.r = numWrap((+(t2.r || 0).toFixed(3)), 0, TAU);   // radians

    const gfx = this.context.systems.gfx;
    gfx.setTransformAsync(t2, duration ?? 0);
    return this;
  }


  /**