text: import {BEGIN_DRAGGING_VERTEX, UPDATE_DRAGGING_VERTEX, END_DRAGGING_VERTEX} from '../constants'
  
  export function beginDraggingVertex(layerID, vertexID, x, y, snapMask) {
    return {
      type: BEGIN_DRAGGING_VERTEX,
      layerID, vertexID, x, y, snapMask
    }
  }
  
  export function updateDraggingVertex(x, y, snapMask) {
    return {
      type: UPDATE_DRAGGING_VERTEX,
      x, y, snapMask
    }
  }
  
  export function endDraggingVertex(x, y, snapMask) {
    return {
      type: END_DRAGGING_VERTEX,
      x, y, snapMask
  
    }
  }
  