YD/Wpf_AiSportsMicrospace
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举手优化

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tanglong 2026-05-12 14:36:25 +08:00
parent cb5286163c
commit 902c2991ec
1 changed files with 18 additions and 10 deletions
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26
Wpf_AiSportsMicrospace/MyUserControl/CoverFlowControl.xaml.cs
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@ -24,6 +24,7 @@ namespace Wpf_AiSportsMicrospace.MyUserControl
private const double CardHeight = 534; private const double CardHeight = 534;
private const double CardGap = 30; // 卡片之间水平间距 private const double CardGap = 30; // 卡片之间水平间距
private const double SlideDurationMs = 380; // 动画时长 private const double SlideDurationMs = 380; // 动画时长
private const double ProgressDurationMs = 2600;
public int SelectedIndex public int SelectedIndex
{ {
@ -65,6 +66,7 @@ namespace Wpf_AiSportsMicrospace.MyUserControl
private EventHandler? _renderHandler; private EventHandler? _renderHandler;
private CoverFlowItem? _currentItem; private CoverFlowItem? _currentItem;
private DateTime _progressStartTime;
private void CoverFlowControl_Loaded(object sender, RoutedEventArgs e) private void CoverFlowControl_Loaded(object sender, RoutedEventArgs e)
{ {
@ -97,7 +99,7 @@ namespace Wpf_AiSportsMicrospace.MyUserControl
var current = Images[SelectedIndex]; var current = Images[SelectedIndex];
// 停止动画/计时 // 停止动画/计时
StopProgress(); StopProgress(resetProgress: true);
// 清零当前的进度值 // 清零当前的进度值
current.Progress = 0; current.Progress = 0;
@ -105,29 +107,33 @@ namespace Wpf_AiSportsMicrospace.MyUserControl
} }
public void StartProgress(CoverFlowItem item) public void StartProgress(CoverFlowItem item)
{ {
StopProgress(); StopProgress(resetProgress: true);
_currentItem = item; _currentItem = item;
item.Progress = 0; item.Progress = 0;
_progressStartTime = DateTime.UtcNow;
_renderHandler = (s, e) => _renderHandler = (s, e) =>
{ {
if (_currentItem.Progress < 1) if (_currentItem == null)
{ return;
_currentItem.Progress += 0.007; // 控制速度
} var elapsedMs = (DateTime.UtcNow - _progressStartTime).TotalMilliseconds;
else _currentItem.Progress = Math.Min(1, elapsedMs / ProgressDurationMs);
if (_currentItem.Progress >= 1)
{ {
_currentItem.Progress = 1;
ProgressCompleted?.Invoke(_currentItem); ProgressCompleted?.Invoke(_currentItem);
// 停止动画 // 停止动画
StopProgress(); StopProgress(resetProgress: false);
} }
}; };
CompositionTarget.Rendering += _renderHandler; CompositionTarget.Rendering += _renderHandler;
} }
private void StopProgress() private void StopProgress(bool resetProgress = true)
{ {
if (_renderHandler != null) if (_renderHandler != null)
@ -138,7 +144,9 @@ namespace Wpf_AiSportsMicrospace.MyUserControl
if (_currentItem != null) if (_currentItem != null)
{ {
if (resetProgress)
_currentItem.Progress = 0; _currentItem.Progress = 0;
_currentItem = null; _currentItem = null;
} }
} }