[英]Is it possible to rotate Viewport3D around any of the three axes?
我知道一个ModelVisual3D
可以通过AxisAngleRotation3D
绕任何轴旋转,但是可以对包含9个ModelVisual3D
的Viewport3D进行同样的操作,因此它们可以像一个对象一样一起旋转。例如,我可以使用ModelVisual3D
:
<Viewport3D.Triggers>
<EventTrigger RoutedEvent="Viewport3D.Loaded">
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
Storyboard.TargetName="myVerticalRotation"
Storyboard.TargetProperty="Angle"
From="0" To="360" Duration="0:0:10"
RepeatBehavior="Forever" />
<DoubleAnimation
Storyboard.TargetName="myHorizontalRotation"
Storyboard.TargetProperty="Angle"
From="0" To="360" Duration="0:0:9"
RepeatBehavior="Forever" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Viewport3D.Triggers>
但这假定Viewport3D
仅包含一个ModelVisual3D
是的,它可以通过一个包含所有GeometryModel3D
一个内部的对象Model3DGroup
内ModelUIElement3D
内ContainerUIElement3D
,然后我们能够定义RotateTransform3D
在ContainerUIElement3D.Transform
:
<ContainerUIElement3D>
<ModelUIElement3D>
<Model3DGroup>
<GeometryModel3D>...</GeometryModel3D>
<GeometryModel3D>...</GeometryModel3D>
<GeometryModel3D>...</GeometryModel3D>
</Model3DGroup>
</ModelUIElement3D>
<ContainerUIElement3D.Transform>
<Transform3DGroup>
<RotateTransform3D >
<RotateTransform3D.Rotation>
<AxisAngleRotation3D x:Name="myHorizontalRotation" Angle="142.884" Axis="0 1 0"/>
</RotateTransform3D.Rotation>
</RotateTransform3D>
</Transform3DGroup>
</ContainerUIElement3D.Transform>
</ContainerUIElement3D>
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