Function emitIfAxesChanged

src/utils/tracked-controls.js:106–130

(component, axesMapping, evt)

 * @param {object} evt - Event to process.
 */
export function emitIfAxesChanged (component, axesMapping, evt) {
  var axes;
  var buttonType;
  var changed;
  var detail;
  var j;

  for (buttonType in axesMapping) {
    axes = axesMapping[buttonType];

    changed = false;
    for (j = 0; j < axes.length; j++) {
      if (evt.detail.changed[axes[j]]) { changed = true; }
    }

    if (!changed) { continue; }

    // Axis has changed. Emit the specific moved event with axis values in detail.
    detail = {};
    for (j = 0; j < axes.length; j++) {
      detail[AXIS_LABELS[j]] = evt.detail.axis[axes[j]];
    }
    component.el.emit(buttonType + 'moved', detail);
  }
}

/**
 * Handle a button event and reemits the events.