背水一战 Windows 10 (70) - 控件（控件基类）: UIElement - Transform3D（3D变换）, Projection（3D投影）
背水一战 Windows 10 (70) - 控件（控件基类）: UIElement - Transform3D（3D变换）, Projection（3D投影）
作者：webabcd
介绍
背水一战 Windows 10 之 控件（控件基类 - UIElement）
- Transform3D（3D变换）
- Projection（3D投影）
示例
1、演示 UIElement 的 3D 变换的应用
Controls/BaseControl/UIElementDemo/Transform3DDemo.xaml
<Page x:Class="Windows10.Controls.BaseControl.UIElementDemo.Transform3DDemo" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:Windows10.Controls.BaseControl.UIElementDemo" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"> <Grid Background="Transparent"> <!-- UIElement - UIElement Transform3D - 3D 变换（通过 CompositeTransform3D 结合 PerspectiveTransform3D 来完成 3D 变换） --> <Grid.Transform3D> <!-- PerspectiveTransform3D - 让指定的空间内的元素支持通过 CompositeTransform3D 来实现 3D 变换 OffsetX - 透视原点相对于元素中心的 x 方向的偏移量 OffsetY - 透视原点相对于元素中心的 y 方向的偏移量 Depth - 到 z=0 的平面的距离，必须大于 0，默认值为 1000 --> <PerspectiveTransform3D OffsetX="{x:Bind sliderOX.Value, Mode=OneWay}" OffsetY="{x:Bind sliderOY.Value, Mode=OneWay}" Depth="{x:Bind sliderD.Value, Mode=OneWay}"> </PerspectiveTransform3D> </Grid.Transform3D> <StackPanel HorizontalAlignment="Center"> <Image Source="/Assets/hololens.jpg" Width="200" Height="200" Name="image" Margin="5"> <Image.Transform3D> <!-- CompositeTransform3D - 为 UIElement 实现 3D 变换（此 UIElement 的祖辈必须要设置了 PerspectiveTransform3D） CenterX, CenterY, CenterZ - 3D 变换的中心点位置（单位：像素） RotationX, RotationY, RotationZ - 3D 变换的旋转角度（单位：度） ScaleX, ScaleY, ScaleZ - 3D 变换的缩放比例 TranslateX, TranslateY, TranslateZ - 3D 变换的位移距离（单位：像素） 注意：x 坐标向右为正，y 坐标向下为正，z 坐标向你为正（左手坐标系） --> <CompositeTransform3D CenterX="{x:Bind sliderCX.Value, Mode=OneWay}" CenterY="{x:Bind sliderCY.Value, Mode=OneWay}" CenterZ="{x:Bind sliderCZ.Value, Mode=OneWay}" RotationX="{x:Bind sliderRX.Value, Mode=OneWay}" RotationY="{x:Bind sliderRY.Value, Mode=OneWay}" RotationZ="{x:Bind sliderRZ.Value, Mode=OneWay}" ScaleX="{x:Bind sliderSX.Value, Mode=OneWay}" ScaleY="{x:Bind sliderSY.Value, Mode=OneWay}" ScaleZ="{x:Bind sliderSZ.Value, Mode=OneWay}" TranslateX="{x:Bind sliderTX.Value, Mode=OneWay}" TranslateY="{x:Bind sliderTY.Value, Mode=OneWay}" TranslateZ="{x:Bind sliderTZ.Value, Mode=OneWay}"> </CompositeTransform3D> </Image.Transform3D> </Image> <StackPanel Orientation="Horizontal" Margin="5"> <Slider Name="sliderOX" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="OffsetX: "/> <TextBlock Text="{x:Bind sliderOX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderOY" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="OffsetY: "/> <TextBlock Text="{x:Bind sliderOY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderD" Minimum="100" Maximum="5000" Value="1000" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="Depth: "/> <TextBlock Text="{x:Bind sliderD.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal" Margin="5"> <Slider Name="sliderCX" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterX: "/> <TextBlock Text="{x:Bind sliderCX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderCY" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterY: "/> <TextBlock Text="{x:Bind sliderCY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderCZ" Minimum="-300" Maximum="300" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterZ: "/> <TextBlock Text="{x:Bind sliderCZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal" Margin="5"> <Slider Name="sliderRX" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationX: "/> <TextBlock Text="{x:Bind sliderRX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderRY" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationY: "/> <TextBlock Text="{x:Bind sliderRY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderRZ" Minimum="0" Maximum="360" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationZ: "/> <TextBlock Text="{x:Bind sliderRZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal" Margin="5"> <Slider Name="sliderSX" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="ScaleX: "/> <TextBlock Text="{x:Bind sliderSX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderSY" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="ScaleY: "/> <TextBlock Text="{x:Bind sliderSY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderSZ" Minimum="0.1" Maximum="10" StepFrequency="0.1" Value="1" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="ScaleZ: "/> <TextBlock Text="{x:Bind sliderSZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal" Margin="5"> <Slider Name="sliderTX" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="TranslateX: "/> <TextBlock Text="{x:Bind sliderTX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderTY" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="TranslateY: "/> <TextBlock Text="{x:Bind sliderTY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderTZ" Minimum="-100" Maximum="100" Width="200" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="TranslateZ: "/> <TextBlock Text="{x:Bind sliderTZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> </StackPanel> </Grid> </Page>
Controls/BaseControl/UIElementDemo/Transform3DDemo.xaml.cs
/* * UIElement - UIElement（继承自 DependencyObject, 请参见 /Controls/BaseControl/DependencyObjectDemo/） * Transform3D - 3D 变换 * * * 本例用于演示 UIElement 的 3D 变换的应用 */ using Windows.UI.Xaml.Controls; namespace Windows10.Controls.BaseControl.UIElementDemo { public sealed partial class Transform3DDemo : Page { public Transform3DDemo() { this.InitializeComponent(); } } }
2、演示 UIElement 的投影（模拟 3D 效果）的应用
Controls/BaseControl/UIElementDemo/ProjectionDemo.xaml
<Page x:Class="Windows10.Controls.BaseControl.UIElementDemo.ProjectionDemo" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:Windows10.Controls.BaseControl.UIElementDemo" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"> <Grid Background="Transparent"> <StackPanel Margin="10 0 10 10" HorizontalAlignment="Center"> <!-- Projection - 投影（模拟 3D 效果，可用类型有 PlaneProjection 和 Matrix3DProjection） PlaneProjection - 将对象投影到平面（通过 x,y,z 方向的旋转和位移控制投影），用于模拟出 UIElement 的 3D 效果 RotationX, RotationY, RotationZ - 绕 X轴, Y轴, Z轴 旋转的角度 CenterOfRotationX, CenterOfRotationY, CenterOfRotationZ - X轴, Y轴, Z轴 旋转中心点的位置 CenterOfRotationX - 相对值，默认值为 0.5 即中心，0 代表 UIElement 的最左端，1 代表 UIElement 的最右端，可以小于 0 也可以大于 1 CenterOfRotationY - 相对值，默认值为 0.5 即中心，0 代表 UIElement 的最顶端，1 代表 UIElement 的最底端，可以小于 0 也可以大于 1 CenterOfRotationZ - 像素值，默认值为 0，靠向你的方向为正，远离你的方向为负（即左手坐标系） GlobalOffsetX, GlobalOffsetY, GlobalOffsetZ - 沿 X轴, Y轴, Z轴 的偏移量，此 3 个方向与屏幕的 3 个方向相同 LocalOffsetX, LocalOffsetY, LocalOffsetZ - 沿 X轴, Y轴, Z轴 的偏移量，此 3 个方向与相关的 UIElement 当前的 3 个方向相同 ProjectionMatrix - 获取当前投影的 Matrix3D 投影矩阵 Matrix3DProjection - 将对象投影到平面（通过 Matrix3D 矩阵控制投影），用于模拟出 UIElement 的 3D 效果 ProjectionMatrix - 获取或设置当前投影的 Matrix3D 投影矩阵 --> <Grid HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0 20 0 0"> <Rectangle Width="200" Height="100" StrokeDashArray="3,1" Stroke="Blue" StrokeThickness="3" /> <Rectangle Width="200" Height="100" Fill="Yellow" Stroke="Red" StrokeThickness="3" Opacity="0.3"> <Rectangle.Projection> <PlaneProjection x:Name="planeProjection" CenterOfRotationX="{x:Bind sliderCRX.Value, Mode=OneWay}" CenterOfRotationY="{x:Bind sliderCRY.Value, Mode=OneWay}" CenterOfRotationZ="{x:Bind sliderCRZ.Value, Mode=OneWay}" RotationX="{x:Bind sliderRX.Value, Mode=OneWay}" RotationY="{x:Bind sliderRY.Value, Mode=OneWay}" RotationZ="{x:Bind sliderRZ.Value, Mode=OneWay}" LocalOffsetX="{x:Bind sliderLOX.Value, Mode=OneWay}" LocalOffsetY="{x:Bind sliderLOY.Value, Mode=OneWay}" LocalOffsetZ="{x:Bind sliderLOZ.Value, Mode=OneWay}" GlobalOffsetX="{x:Bind sliderGOX.Value, Mode=OneWay}" GlobalOffsetY="{x:Bind sliderGOY.Value, Mode=OneWay}" GlobalOffsetZ="{x:Bind sliderGOZ.Value, Mode=OneWay}"> </PlaneProjection> </Rectangle.Projection> </Rectangle> </Grid> <StackPanel Orientation="Horizontal" Margin="0 30 0 0"> <Slider Name="sliderCRX" Minimum="-1" Maximum="2" StepFrequency="0.1" Value="0.5" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterOfRotationX: "/> <TextBlock Text="{x:Bind sliderCRX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderCRY" Minimum="-1" Maximum="2" StepFrequency="0.1" Value="0.5" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterOfRotationY: "/> <TextBlock Text="{x:Bind sliderCRY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderCRZ" Minimum="-100" Maximum="100" Value="0" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="CenterOfRotationZ: "/> <TextBlock Text="{x:Bind sliderCRZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal"> <Slider Name="sliderRX" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationX: "/> <TextBlock Text="{x:Bind sliderRX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderRY" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationY: "/> <TextBlock Text="{x:Bind sliderRY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderRZ" Minimum="0" Maximum="360" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="RotationZ: "/> <TextBlock Text="{x:Bind sliderRZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal"> <Slider Name="sliderLOX" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="LocalOffsetX: "/> <TextBlock Text="{x:Bind sliderLOX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderLOY" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="LocalOffsetY: "/> <TextBlock Text="{x:Bind sliderLOY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderLOZ" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="LocalOffsetZ: "/> <TextBlock Text="{x:Bind sliderLOZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> <StackPanel Orientation="Horizontal"> <Slider Name="sliderGOX" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="GlobalOffsetX: "/> <TextBlock Text="{x:Bind sliderGOX.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderGOY" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="GlobalOffsetY: "/> <TextBlock Text="{x:Bind sliderGOY.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> <Slider Name="sliderGOZ" Minimum="-150" Maximum="150" Width="200" HorizontalAlignment="Left" Foreground="Orange" Background="White" Style="{StaticResource MySliderStyle}" Margin="10"> <Slider.Header> <StackPanel Orientation="Horizontal"> <TextBlock Text="GlobalOffsetZ: "/> <TextBlock Text="{x:Bind sliderGOZ.Value, Mode=OneWay}" /> </StackPanel> </Slider.Header> </Slider> </StackPanel> </StackPanel> </Grid> </Page>
Controls/BaseControl/UIElementDemo/ProjectionDemo.xaml.cs
/* * UIElement - UIElement（继承自 DependencyObject, 请参见 /Controls/BaseControl/DependencyObjectDemo/） * Projection - 投影（模拟 3D 效果） * PlaneProjection - 将对象投影到平面（通过 x,y,z 方向的旋转和位移控制投影） * Matrix3DProjection - 将对象投影到平面（通过 Matrix3D 矩阵控制投影） * * * 本例用于演示 UIElement 的投影（模拟 3D 效果）的应用 */ using Windows.UI.Xaml.Controls; namespace Windows10.Controls.BaseControl.UIElementDemo { public sealed partial class ProjectionDemo : Page { public ProjectionDemo() { this.InitializeComponent(); } } }
OK
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