how to mirror the image?

Support
1

1
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m_Renderer->GetActiveCamera()->SetViewUp(0, 0, -1);
I set the camera by SetViewUp(), and now I want to exchange the image left and right. I mean I want to mirror the image along red line. how can I set camera, which function can change the image left and right?

2

I try to use SetPostion to set the position, but it doesn’t work.

pos1
pos1.jpg1080×787 70.5 KB