QuaternionRotation3D 类
定义
重要
一些信息与预发行产品相关，相应产品在发行之前可能会进行重大修改。 对于此处提供的信息，Microsoft 不作任何明示或暗示的担保。
表示定义为四元数的旋转转换。
public ref class QuaternionRotation3D sealed : System::Windows::Media::Media3D::Rotation3Dpublic sealed class QuaternionRotation3D : System.Windows.Media.Media3D.Rotation3Dtype QuaternionRotation3D = class
inherit Rotation3DPublic NotInheritable Class QuaternionRotation3D
Inherits Rotation3D- 继承
示例
//Read new settings
try
{
Double WValue = System.Convert.ToDouble(QuaternionWText.Text);
Double XValue = System.Convert.ToDouble(QuaternionXText.Text);
Double YValue = System.Convert.ToDouble(QuaternionYText.Text);
Double ZValue = System.Convert.ToDouble(QuaternionZText.Text);
endQuaternion = new Quaternion(XValue, YValue, ZValue, WValue);
}
catch
{
MessageBox.Show("Set non-null values for the quaternion.");
}
myQuaternionRotation3D = new QuaternionRotation3D(endQuaternion);
myRotateTransform3D.Rotation = myQuaternionRotation3D;
//update matrix display
qrotationMatrix3D = myRotateTransform3D.Value;
'Read new settings
Try
Dim WValue As Double = Convert.ToDouble(QuaternionWText.Text)
Dim XValue As Double = Convert.ToDouble(QuaternionXText.Text)
Dim YValue As Double = Convert.ToDouble(QuaternionYText.Text)
Dim ZValue As Double = Convert.ToDouble(QuaternionZText.Text)
endQuaternion = New Quaternion(XValue, YValue, ZValue, WValue)
Catch
MessageBox.Show("Set non-null values for the quaternion.")
End Try
myQuaternionRotation3D = New QuaternionRotation3D(endQuaternion)
myRotateTransform3D.Rotation = myQuaternionRotation3D
'update matrix display
qrotationMatrix3D = myRotateTransform3D.Value
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" >
<DockPanel>
<Viewbox>
<Canvas Width="321" Height="201">
<!-- The Viewport3D provides a rendering surface for 3-D visual content. -->
<Viewport3D Name="MyAnimatedObject"
ClipToBounds="True" Width="150" Height="150"
Canvas.Left="0" Canvas.Top="10">
<!-- Defines the camera used to view the 3D object. -->
<Viewport3D.Camera>
<PerspectiveCamera x:Name="myPerspectiveCamera" Position="0,0,2" LookDirection="0,0,-1"
FieldOfView="60" />
</Viewport3D.Camera>
<!-- The ModelVisual3D children contain the 3D models -->
<Viewport3D.Children>
<!-- This ModelVisual3D defines the lights cast in the scene. Without light, the
3D object cannot be seen. Also, the direction of the lights affect shadowing. -->
<ModelVisual3D>
<ModelVisual3D.Content>
<DirectionalLight Color="#FFFFFF" Direction="-0.612372,-0.5,-0.612372" />
</ModelVisual3D.Content>
</ModelVisual3D>
<ModelVisual3D>
<ModelVisual3D.Content>
<GeometryModel3D>
<!-- The geometry specifes the shape of the 3D plane. In this case, a flat sheet is created. -->
<GeometryModel3D.Geometry>
<MeshGeometry3D
TriangleIndices="0,1,2 3,4,5 "
Normals="0,0,1 0,0,1 0,0,1 0,0,1 0,0,1 0,0,1 "
TextureCoordinates="0,0 1,0 1,1 1,1 0,1 0,0 "
Positions="-0.5,-0.5,0.5 0.5,-0.5,0.5 0.5,0.5,0.5 0.5,0.5,0.5 -0.5,0.5,0.5 -0.5,-0.5,0.5 " />
</GeometryModel3D.Geometry>
<!-- The material specifies the material applied to the plane. In this case it is a linear gradient.-->
<GeometryModel3D.Material>
<MaterialGroup>
<DiffuseMaterial>
<DiffuseMaterial.Brush>
<LinearGradientBrush StartPoint="0,0.5" EndPoint="1,0.5">
<LinearGradientBrush.GradientStops>
<GradientStop Color="Yellow" Offset="0" />
<GradientStop Color="Red" Offset="0.25" />
<GradientStop Color="Blue" Offset="0.75" />
<GradientStop Color="LimeGreen" Offset="1" />
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
</DiffuseMaterial.Brush>
</DiffuseMaterial>
</MaterialGroup>
</GeometryModel3D.Material>
<!-- The Transform specifies how to transform the 3D object. The rotation
is animated using the Storyboard below. -->
<GeometryModel3D.Transform>
<RotateTransform3D>
<RotateTransform3D.Rotation>
<QuaternionRotation3D x:Name="myQuaternionRotation3D" />
</RotateTransform3D.Rotation>
</RotateTransform3D>
</GeometryModel3D.Transform>
</GeometryModel3D>
</ModelVisual3D.Content>
</ModelVisual3D>
</Viewport3D.Children>
<!-- Trigger the rotation animation when the 3D object loads. -->
<Viewport3D.Triggers>
<EventTrigger RoutedEvent="Viewport3D.Loaded">
<BeginStoryboard>
<Storyboard>
<!-- This animation animates the Rotation property of the RotateTransform3D
causing the 3D shape to rotate. -->
<QuaternionAnimation
Storyboard.TargetName="myQuaternionRotation3D"
Storyboard.TargetProperty="Quaternion" From="0,0,1,0" To="0.3, 0.3, 1, 0"
Duration="0:0:2" />
</Storyboard>
</BeginStoryboard>
</EventTrigger>
</Viewport3D.Triggers>
</Viewport3D>
</Canvas>
</Viewbox>
</DockPanel>
</Page>
构造函数
| QuaternionRotation3D() |
初始化 QuaternionRotation3D 类的新实例。 |
| QuaternionRotation3D(Quaternion) |
使用指定的 QuaternionRotation3D 初始化 Quaternion 类的新实例。 |
字段
| QuaternionProperty |
标识 Quaternion 依赖项属性。 |
属性
| CanFreeze |
获取一个值，该值指示是否可将对象变为不可修改。 (继承自 Freezable) |
| DependencyObjectType |
获取 DependencyObjectType 包装此实例的 CLR 类型的 。 (继承自 DependencyObject) |
| Dispatcher |
获取与此 Dispatcher 关联的 DispatcherObject。 (继承自 DispatcherObject) |
| HasAnimatedProperties |
获取一个值，该值指示一个或多个 AnimationClock 对象是否与此对象的任何依赖项属性相关联。 (继承自 Animatable) |
| IsFrozen |
获取一个值，该值指示对象当前是否可修改。 (继承自 Freezable) |
| IsSealed |
获取一个值，该值指示此实例当前是否为密封的（只读）。 (继承自 DependencyObject) |
| Quaternion |
获取或设置定义目标旋转的 Quaternion。 |
方法
事件
| Changed |
在修改 Freezable 或其包含的对象时发生。 (继承自 Freezable) |
显式接口实现
| IFormattable.ToString(String, IFormatProvider) |
使用指定格式对当前实例的值设置格式。 (继承自 Rotation3D) |
