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| author | Somhairle H. Marisol <[email protected]> | 2026-09-21 13:18:35 +0800 |
|---|---|---|
| committer | Somhairle H. Marisol <[email protected]> | 2026-09-21 13:18:35 +0800 |
| commit | 3849252be9ee5a6b9ad6b31b0fe1a19767621baa (patch) | |
| tree | 2a865e28cafa03e0b8f229baa88f5117f31db75c /src/LivingVillage.Desktop/TitleScreen.fs | |
| parent | be8c9eacb884faf22299edb24955e1084be2747f (diff) | |
| download | living-village-3849252be9ee5a6b9ad6b31b0fe1a19767621baa.tar.gz | |
feat(desktop): 标题画面两秒确定性入场动画
entranceProgress 纯函数按帧计数（固定 60Hz 步长，禁实时时钟）：黛瓦天际线自上 36px 落定、标题自下 24px 升起、水面带 2s 淡入、灯笼/面板同步；快照回归断言进度锚点（0/60/120/超时）与确定性；LV_AUTOPLAY_FLOW 标题停留 60 帧可直接采样入场过程。
Diffstat (limited to 'src/LivingVillage.Desktop/TitleScreen.fs')
| -rw-r--r-- | src/LivingVillage.Desktop/TitleScreen.fs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/LivingVillage.Desktop/TitleScreen.fs b/src/LivingVillage.Desktop/TitleScreen.fs index c05e472..0dcd693 100644 --- a/src/LivingVillage.Desktop/TitleScreen.fs +++ b/src/LivingVillage.Desktop/TitleScreen.fs @@ -82,6 +82,12 @@ module TitleScreen = let waterSlot = waterTileSlot let roofSlots = roofRidgeSlot, roofEaveSlot + /// Deterministic 2s entrance at the fixed 60Hz step: 1.0 = elements fully parked + /// off-screen at start, 0.0 = settled. Pure function of the frame counter. + let entranceProgress (frameCount: int64) : float32 = + if frameCount >= 120L then 0.0f + else 1.0f - float32 frameCount / 120.0f + let layout (viewportWidth: int) (viewportHeight: int) : TitleLayout = let width = max 320 viewportWidth let height = max 240 viewportHeight |