PerspectiveCamera 建構函式

定義

命名空間:

System.Windows.Media.Media3D

組件:

PresentationCore.dll

初始化 PerspectiveCamera 類別的新執行個體。

多載

PerspectiveCamera()	初始化 PerspectiveCamera 類別的新執行個體。
PerspectiveCamera(Point3D, Vector3D, Vector3D, Double)	使用指定的位置、方向和視野，初始化 PerspectiveCamera 類別的新執行個體。

PerspectiveCamera()

初始化 PerspectiveCamera 類別的新執行個體。

public:
 PerspectiveCamera();

public PerspectiveCamera ();

Public Sub New ()

範例

<!-- Add a camera. -->
<Viewport3D.Camera>
    <PerspectiveCamera FarPlaneDistance="20" LookDirection="5,-2,-3" UpDirection="0,1,0" NearPlaneDistance="1" Position="-5,2,3" FieldOfView="45" />
</Viewport3D.Camera>

PerspectiveCamera(Point3D, Vector3D, Vector3D, Double)

使用指定的位置、方向和視野，初始化 PerspectiveCamera 類別的新執行個體。

public:
 PerspectiveCamera(System::Windows::Media::Media3D::Point3D position, System::Windows::Media::Media3D::Vector3D lookDirection, System::Windows::Media::Media3D::Vector3D upDirection, double fieldOfView);

public PerspectiveCamera (System.Windows.Media.Media3D.Point3D position, System.Windows.Media.Media3D.Vector3D lookDirection, System.Windows.Media.Media3D.Vector3D upDirection, double fieldOfView);

new System.Windows.Media.Media3D.PerspectiveCamera : System.Windows.Media.Media3D.Point3D * System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Vector3D * double -> System.Windows.Media.Media3D.PerspectiveCamera

Public Sub New (position As Point3D, lookDirection As Vector3D, upDirection As Vector3D, fieldOfView As Double)

參數

position

Point3D

Point3D，指定相機的位置。

lookDirection

Vector3D

Vector3D，指定相機投影的方向。

upDirection

Vector3D

Vector3D，指定從觀看者看去的向上方向。

fieldOfView

Double

相機投影角度的寬度，以度數指定。

範例

//Toggle between camera projections.
public void ToggleCamera(object sender, EventArgs e)
{
    if ((bool)CameraCheck.IsChecked == true)
    {
        OrthographicCamera myOCamera = new OrthographicCamera(new Point3D(0, 0, -3), new Vector3D(0, 0, 1), new Vector3D(0, 1, 0), 3);
        myViewport.Camera = myOCamera;
    }
    if ((bool)CameraCheck.IsChecked != true)
    {
        PerspectiveCamera myPCamera = new PerspectiveCamera(new Point3D(0, 0, -3), new Vector3D(0, 0, 1), new Vector3D(0, 1, 0), 50);
        myViewport.Camera = myPCamera;
    }
}

'Toggle between camera projections.
Public Sub ToggleCamera(ByVal sender As Object, ByVal e As EventArgs)
    If CBool(CameraCheck.IsChecked) = True Then
        Dim myOCamera As New OrthographicCamera(New Point3D(0, 0, -3), New Vector3D(0, 0, 1), New Vector3D(0, 1, 0), 3)
        myViewport.Camera = myOCamera
    End If
    If CBool(CameraCheck.IsChecked) <> True Then
        Dim myPCamera As New PerspectiveCamera(New Point3D(0, 0, -3), New Vector3D(0, 0, 1), New Vector3D(0, 1, 0), 50)
        myViewport.Camera = myPCamera
    End If
End Sub