public ZFrustum(ZViewport viewport, IntPtr nativePtr)
: base(nativePtr)
{
this._viewport = viewport;
this.CameraOffset = DefaultCameraOffset;
this.DisplayEulerAngles = ZDisplay.DefaultEulerAngles;
this.PortalModeFlags = ZPortalMode.None;
}
/// <summary>
/// Creates an instance of the ZViewport class at the specified
/// virtual desktop position.
/// </summary>
///
/// <param name="position">
/// The (x, y) virtual desktop position in pixels corresponding
/// to the viewport's top-left corner.
/// </param>
///
/// <returns>
/// An instance of the ZViewport class.
/// </returns>
public ZViewport CreateViewport(Vector2Int position)
{
// Create the viewport.
IntPtr viewportNativePtr;
ZPlugin.LogOnError(
ZPlugin.CreateViewport(this._nativePtr, out viewportNativePtr),
"CreateViewport");
ZViewport viewport = new ZViewport(viewportNativePtr);
viewport.Position = position;
// Update the context to ensure the appropriate display
// angle has been passed to the viewport's frustum.
this.Update();
// Initialize the frustum.
ZFrustum frustum = viewport.Frustum;
frustum.HeadPose = frustum.DefaultHeadPose;
return(viewport);
}