Fern.kt

    fun generateFern(n: Int): FloatArray {
        val random = Random()
        points = kotlin.FloatArray(n)

        for (i: Int in 2..n - 1 step 2) {
            val r = random.nextFloat()

            val p1 = matrix[F1]!![P]!!
            val p2 = matrix[F2]!![P]!!
            val p3 = matrix[F3]!![P]!!

            var function: String
            if (r <= p1) {
                function = F1
            } else if (r <= p1 + p2) {
                function = F2
            } else if (r <= p1 + p2 + p3) {
                function = F3
            } else {
                function = F4
            }

            this.points[i] = newX(function, i)
            this.points[i + 1] = newY(function, i)
        }

        return this.points.map { it * 100 }.toFloatArray()
    }