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hasCell

Returns true if a given index exists within a drawdown.

Parameters​

  • Drawdown: the drawdown to check
  • number: the weft pick number
  • number: the warp end number

Returns​

boolean: true if the pick and end are within valid indexes in the drawdown. False if not.

Implementation​


if(hasCell(drawdown, i, j)){
    drawdown[i][j] = createCell(true);
}

This function checks to make sure the index i, j (i = weft pick, j = warp end) exists in the drawdown object. If it does, it adds a cell to that location.