Bernstein polynomial form

MainActivity.kt

.
.
    Text(
        text = "New York",
        fontSize = 30.sp,
        fontWeight = FontWeight.Bold,
        modifier = Modifier
            .graphicsLayer {
                val collapseRange: Float = (headerHeightPx - toolbarHeightPx)
                val collapseFraction: Float = (scroll.value / collapseRange).coerceIn(0f, 1f)

                val titleY: Float = (1f-collapseFraction).pow(2) *
                    (headerHeightPx - titleHeightPx - paddingPx) +
                    2 * collapseFraction * (1-collapseFraction) * headerHeightPx / 2 +
                    collapseFraction.pow(2) * (toolbarHeightPx / 2 - titleHeightPx / 2)

                val titleX: Float =
                    (1f-collapseFraction).pow(2) * (titlePaddingStartPx) +
                        2 * collapseFraction * (1-collapseFraction) * titlePaddingEndPx * 
                        5 / 4 + collapseFraction.pow(2) * titlePaddingEndPx


                translationY = titleY
                translationX = titleX
            }
            .onGloballyPositioned {
                titleHeightPx = it.size.height.toFloat()
            }
    )
.
.