[英]Animating rectangle position in code using storyboard
我正在Windows Phone 8上制作c#/ xaml益智游戏。我有一个包含行和列的网格,每个网格中都有一个矩形。 (我在运行时添加了这些矩形)
我已经有一个代码,如果我点击它,它将把一个矩形移到另一列或另一行。
我正在尝试使用情节提要使此过渡成为平滑的动画。
这是一个无效的代码,但显示了我想做什么。
private void AnimateRectangle(Rectangle rectangle, int sourceColumn, int sourceRow, int targetColumn, int targetRow)
{
Storyboard s = new Storyboard();
DoubleAnimation doubleAniColumn = new DoubleAnimation();
doubleAniColumn.From = sourceColumn;
doubleAniColumn.To = targetColumn;
doubleAniColumn.Duration = new Duration(TimeSpan.FromMilliseconds(500));
Storyboard.SetTarget(doubleAniColumn, rectangle);
Storyboard.SetTargetProperty(doubleAniColumn, new PropertyPath("(Grid.SetColumn)"));
DoubleAnimation doubleAniRow = new DoubleAnimation();
doubleAniRow.From = sourceRow;
doubleAniRow.To = targetRow;
doubleAniRow.Duration = new Duration(TimeSpan.FromMilliseconds(500));
Storyboard.SetTarget(doubleAniRow, rectangle);
Storyboard.SetTargetProperty(doubleAniRow, new PropertyPath("(Grid.SetRow)"));
s.Children.Add(doubleAniColumn);
s.Children.Add(doubleAniRow);
s.Begin();
}
任何帮助将不胜感激。
好吧,您不能为Grid.Row
属性设置动画,因为0.5没有意义。 它是第0行或第1行。
您在这里可以做的是设置其位置的动画,一旦完成更改行和列。 像这样:
private void AnimateRectangle(Rectangle rectangle, int sourceColumn, int sourceRow, int targetColumn, int targetRow)
{
rectangle.RenderTransform = new CompositeTransform();
Storyboard s = new Storyboard();
DoubleAnimation doubleAniColumn = new DoubleAnimation();
doubleAniColumn.From = 0;
doubleAniColumn.To = ...; // calculate correct offset here
doubleAniColumn.Duration = new Duration(TimeSpan.FromMilliseconds(500));
Storyboard.SetTarget(doubleAniColumn, rectangle);
Storyboard.SetTargetProperty(doubleAniColumn, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateY)"));
DoubleAnimation doubleAniRow = new DoubleAnimation();
doubleAniRow.From = 0;
doubleAniRow.To = ...; // calculate correct offset here
doubleAniRow.Duration = new Duration(TimeSpan.FromMilliseconds(500));
Storyboard.SetTarget(doubleAniRow, rectangle);
Storyboard.SetTargetProperty(doubleAniRow, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateX)"));
s.Children.Add(doubleAniColumn);
s.Children.Add(doubleAniRow);
EventHandler eventHandler = null;
eventHandler = (sender, o) =>
{
s.Completed -= eventHandler;
Grid.SetRow(rectangle, targetRow);
Grid.SetColumn(rectangle, targetColumn);
rectangle.RenderTransform = new CompositeTransform();
};
s.Completed += eventHandler;
s.Begin();
}
我是从头开始编写此代码的,因此不要介意某些东西一开始是否无法编译。
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