feat: implement Telegram-style avatar expansion with smooth scaling and snap animation in ProfileScreen

This commit is contained in:
2026-02-01 15:10:21 +05:00
parent 832227cf1c
commit 6d15a34512
2 changed files with 266 additions and 130 deletions

View File

@@ -528,48 +528,94 @@ fun ProfileMetaballOverlay(
}
} // END if (showMetaballLayer)
// LAYER 2: Actual avatar content - with blur and shape transition like Telegram
// ═══════════════════════════════════════════════════════════════
// LAYER 2: Avatar content - TELEGRAM STYLE EXPANSION
// При expansion: плавно растёт через SCALE (не размер!)
// Это даёт smooth анимацию как в Telegram
// ═══════════════════════════════════════════════════════════════
if (avatarState.showBlob) {
// При раскрытии - занимаем всю ширину экрана и всю высоту header'а
val isExpanded = expansionProgress > 0f
val avatarWidthDp = with(density) {
if (isExpanded) screenWidth else (avatarState.radius * 2f).toDp()
}
val avatarHeightDp = with(density) {
if (isExpanded) headerHeight else (avatarState.radius * 2f).toDp()
}
val avatarOffsetX = with(density) {
if (isExpanded) 0.dp else (avatarState.centerX - avatarState.radius).toDp()
}
val avatarOffsetY = with(density) {
if (isExpanded) 0.dp else (avatarState.centerY - avatarState.radius).toDp()
}
// Базовый размер аватарки
val baseSizeDp = ProfileMetaballConstants.AVATAR_SIZE_EXPANDED
val baseSizePx = with(density) { baseSizeDp.toPx() }
// Corner radius from state - transitions from circle to rounded rect
val cornerRadiusDp = with(density) { avatarState.cornerRadius.toDp() }
// Позиция центра
val avatarCenterX = avatarState.centerX
val avatarCenterY = avatarState.centerY
Box(
modifier = Modifier
.offset(x = avatarOffsetX, y = avatarOffsetY)
.width(avatarWidthDp)
.height(avatarHeightDp)
// Use dynamic corner radius - circle → rounded rect transition
.clip(RoundedCornerShape(cornerRadiusDp))
.graphicsLayer {
alpha = avatarState.opacity
// Apply blur to avatar when near notch (like Telegram)
// Telegram: blurRadius = 2 + (1 - fraction) * 20
if (avatarState.blurRadius > 0.5f) {
renderEffect = RenderEffect.createBlurEffect(
avatarState.blurRadius,
avatarState.blurRadius,
Shader.TileMode.DECAL
).asComposeRenderEffect()
// При expansion > 0: используем SCALE для плавного роста
// При collapse: используем обычный размер
val isExpanding = expansionProgress > 0f
if (isExpanding) {
// ═══════════════════════════════════════════════════════════
// EXPANSION MODE - плавный рост через scale
// ═══════════════════════════════════════════════════════════
val targetWidth = screenWidthPx
val targetHeight = headerHeightPx
// Scale от базового размера до целевого
val scaleX = lerpFloat(1f, targetWidth / baseSizePx, expansionProgress)
val scaleY = lerpFloat(1f, targetHeight / baseSizePx, expansionProgress)
// Центр смещается к центру экрана/header
val targetCenterX = screenWidthPx / 2f
val targetCenterY = headerHeightPx / 2f
val currentCenterX = lerpFloat(avatarCenterX, targetCenterX, expansionProgress)
val currentCenterY = lerpFloat(avatarCenterY, targetCenterY, expansionProgress)
// Offset для позиционирования (учитывая что scale от центра)
val offsetX = with(density) { (currentCenterX - baseSizePx / 2f).toDp() }
val offsetY = with(density) { (currentCenterY - baseSizePx / 2f).toDp() }
// Corner radius плавно уменьшается к 0 (квадрат)
// Но только после 70% expansion для эффекта как в Telegram
val squareProgress = ((expansionProgress - 0.7f) / 0.3f).coerceIn(0f, 1f)
val cornerRadiusPx = lerpFloat(baseSizePx / 2f, 0f, squareProgress)
val cornerRadiusDp = with(density) { cornerRadiusPx.toDp() }
Box(
modifier = Modifier
.offset(x = offsetX, y = offsetY)
.width(baseSizeDp)
.height(baseSizeDp)
.graphicsLayer {
this.scaleX = scaleX
this.scaleY = scaleY
alpha = avatarState.opacity
}
},
contentAlignment = Alignment.Center,
content = avatarContent
)
.clip(RoundedCornerShape(cornerRadiusDp)),
contentAlignment = Alignment.Center,
content = avatarContent
)
} else {
// ═══════════════════════════════════════════════════════════
// COLLAPSE/NORMAL MODE - обычный размер для капли
// ═══════════════════════════════════════════════════════════
val avatarSizeDp = with(density) { (avatarState.radius * 2f).toDp() }
val avatarOffsetX = with(density) { (avatarCenterX - avatarState.radius).toDp() }
val avatarOffsetY = with(density) { (avatarCenterY - avatarState.radius).toDp() }
val cornerRadiusDp = with(density) { avatarState.cornerRadius.toDp() }
Box(
modifier = Modifier
.offset(x = avatarOffsetX, y = avatarOffsetY)
.width(avatarSizeDp)
.height(avatarSizeDp)
.clip(RoundedCornerShape(cornerRadiusDp))
.graphicsLayer {
alpha = avatarState.opacity
if (avatarState.blurRadius > 0.5f) {
renderEffect = RenderEffect.createBlurEffect(
avatarState.blurRadius,
avatarState.blurRadius,
Shader.TileMode.DECAL
).asComposeRenderEffect()
}
},
contentAlignment = Alignment.Center,
content = avatarContent
)
}
}
}
}
@@ -635,34 +681,62 @@ fun ProfileMetaballOverlayCompat(
Box(modifier = modifier.fillMaxSize()) {
if (avatarState.showBlob) {
// При раскрытии - занимаем всю ширину экрана и всю высоту header'а
val isExpanded = expansionProgress > 0f
val avatarWidthDp = with(density) {
if (isExpanded) screenWidth else (avatarState.radius * 2f).toDp()
}
val avatarHeightDp = with(density) {
if (isExpanded) headerHeight else (avatarState.radius * 2f).toDp()
}
val avatarOffsetX = with(density) {
if (isExpanded) 0.dp else (avatarState.centerX - avatarState.radius).toDp()
}
val avatarOffsetY = with(density) {
if (isExpanded) 0.dp else (avatarState.centerY - avatarState.radius).toDp()
}
val cornerRadiusDp = with(density) { avatarState.cornerRadius.toDp() }
val baseSizeDp = ProfileMetaballConstants.AVATAR_SIZE_EXPANDED
val baseSizePx = with(density) { baseSizeDp.toPx() }
val avatarCenterX = avatarState.centerX
val avatarCenterY = avatarState.centerY
val isExpanding = expansionProgress > 0f
Box(
modifier = Modifier
.offset(x = avatarOffsetX, y = avatarOffsetY)
.width(avatarWidthDp)
.height(avatarHeightDp)
.clip(RoundedCornerShape(cornerRadiusDp))
.graphicsLayer {
alpha = avatarState.opacity
},
contentAlignment = Alignment.Center,
content = avatarContent
)
if (isExpanding) {
// EXPANSION MODE - scale animation
val targetWidth = screenWidthPx
val targetHeight = headerHeightPx
val scaleX = lerpFloat(1f, targetWidth / baseSizePx, expansionProgress)
val scaleY = lerpFloat(1f, targetHeight / baseSizePx, expansionProgress)
val targetCenterX = screenWidthPx / 2f
val targetCenterY = headerHeightPx / 2f
val currentCenterX = lerpFloat(avatarCenterX, targetCenterX, expansionProgress)
val currentCenterY = lerpFloat(avatarCenterY, targetCenterY, expansionProgress)
val offsetX = with(density) { (currentCenterX - baseSizePx / 2f).toDp() }
val offsetY = with(density) { (currentCenterY - baseSizePx / 2f).toDp() }
val squareProgress = ((expansionProgress - 0.7f) / 0.3f).coerceIn(0f, 1f)
val cornerRadiusPx = lerpFloat(baseSizePx / 2f, 0f, squareProgress)
val cornerRadiusDp = with(density) { cornerRadiusPx.toDp() }
Box(
modifier = Modifier
.offset(x = offsetX, y = offsetY)
.width(baseSizeDp)
.height(baseSizeDp)
.graphicsLayer {
this.scaleX = scaleX
this.scaleY = scaleY
alpha = avatarState.opacity
}
.clip(RoundedCornerShape(cornerRadiusDp)),
contentAlignment = Alignment.Center,
content = avatarContent
)
} else {
// COLLAPSE/NORMAL MODE
val avatarSizeDp = with(density) { (avatarState.radius * 2f).toDp() }
val avatarOffsetX = with(density) { (avatarCenterX - avatarState.radius).toDp() }
val avatarOffsetY = with(density) { (avatarCenterY - avatarState.radius).toDp() }
val cornerRadiusDp = with(density) { avatarState.cornerRadius.toDp() }
Box(
modifier = Modifier
.offset(x = avatarOffsetX, y = avatarOffsetY)
.width(avatarSizeDp)
.height(avatarSizeDp)
.clip(RoundedCornerShape(cornerRadiusDp))
.graphicsLayer {
alpha = avatarState.opacity
},
contentAlignment = Alignment.Center,
content = avatarContent
)
}
}
}
}