JoinCoordinates.kt

/** drawing the path */
val stroke = Path().apply {
  reset()
  moveTo(coordinates.first().x, coordinates.first().y)
  for (i in 0 until coordinates.size - 1) {
      cubicTo(
        controlPoints1[i].x,controlPoints1[i].y,
        controlPoints2[i].x,controlPoints2[i].y,
        coordinates[i + 1].x,coordinates[i + 1].y
      )
  }
}

drawPath(
  stroke,
  color = Color.Black,
  style = Stroke(
      width = 5f,
      cap = StrokeCap.Round
  )
)