public static void SetOriginSquare()
{
//get the grid coordinates of the box (see GetBoxCoordinates in documentation); we get three coordinates, but we only use X and Y
//we add 0.1f * Vector3.one to avoid unexpected behaviour for edge cases dues to rounding and float (in)accuracy
Vector3 box = _grid.useCustomRenderRange ? _grid.GetBoxCoordinates(_grid.transform.position + _grid.renderFrom + 0.1f * Vector3.one) :
_grid.GetBoxCoordinates(_grid.transform.position - _grid.size + 0.1f * Vector3.one);
originSquare = new int[2] {
Mathf.RoundToInt(box.x), Mathf.RoundToInt(box.z)
};
}
