Function fromWrapPosition

src/extras/wrapCompactor.ts:48–53

* Convert a linear wrap position back to x,y coordinates.

(pos: number, cols: number)

 * Convert a linear wrap position back to x,y coordinates.
 */
function fromWrapPosition(pos: number, cols: number): { x: number; y: number } {
  return {
    x: pos % cols,
    y: Math.floor(pos / cols)
  };
}

/**
 * Compact items in wrap order, filling gaps from left-to-right, top-to-bottom.