Function: getCoordByOffset()

function getCoordByOffset(
   evtOffsetX, 
   evtOffsetY, 
   scene, 
   skeleton, 
   viewport?, 
   closeFirst?): {
  column: number;
  endX: number;
  endY: number;
  row: number;
  startX: number;
  startY: number;
}

{
  column: number;
  endX: number;
  endY: number;
  row: number;
  startX: number;
  startY: number;
}