Drawing lines from list of floats

// initial values, re-use them for each individual line
var pt1X = 0f;
var pt1Y = 0f;
var pt2X = 0f;
var pt2Y = 0f;
dataSet.forEachIndexed { i, value ->
    if (i+1 < dataSet.size){
        pt1X = scaledX(i.toFloat())
        pt1Y = scaledY(value)
        pt2X = scaledX((i+1).toFloat())
        pt2Y = scaledY(dataSet[i+1])

        canvas?.drawLine(pt1X, pt1Y, pt2X, pt2Y, bluePaint )
    }
}