Game Block Animation Move To Left

FluppyBirdView.kt

    private val paintBlock = Paint().apply {
        style = Paint.Style.STROKE
        color = Color.BLUE
        strokeWidth = 220F
    }

    var position_x_block = (0F - 100F)
    var random_y = 0


    private fun drawGameBlock(canvas: Canvas?) {

        if (position_x_block == (0F - 100F)) {
            random_y = (200..270).shuffled().last()
            position_x_block = (width + 100).toFloat()
            moveLeft()
        }
        
        val startX_1 = position_x_block
        val startY_1 = (height / 2 - random_y).toFloat()
        val stopX_1 = startX_1
        val stopY_1 = 0F

        canvas?.drawLine(startX_1, startY_1, stopX_1, stopY_1, paintBlock)
        canvas?.drawLine(startX_1, startY_1 + (random_y * 2).toFloat(), stopX_1, height.toFloat(), paintBlock)

    }

    private fun moveLeft() {
        val moveLeft = ValueAnimator.ofFloat(position_x_block, (0F - 100F))
        with(moveLeft) {
            duration = 2400
            interpolator = AccelerateDecelerateInterpolator()
            addUpdateListener {
                position_x_block = it.animatedValue as Float
                invalidate()
            }
            addListener(object : AnimatorListenerAdapter() {
                override fun onAnimationEnd(animation: Animator?) {
                    random_y = (200..270).shuffled().last()
                }
            })
            start()
        }
    }