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Question by Nemox · May 19, 2011 at 05:49 AM · camerarendertexturereadpixels

Camera size and RenderTexture

So I have a little setup; a plane with all my necessary materials on it, and an orthographic camera attached. I will be using ReadPixels through this camera, but I don't exactly know how to set up the camera to match the plane so that the rendered texture will turn out perfectly. I've tried several different Rects, but I haven't found one that fits well enough. Various camera variables have also been a bit wacky.

I've made the plane 1x1, and an orthographic camera needs to be at 0.5 size. But it still shows up in widescreen. I can't seem to adjust the camera to match the plane exactly, regardless of my screen size.

Are there any references I can read about this specific problem?

Or perhaps someone might know a better way to manage this setup?

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avatar image Fattie · May 28, 2012 at 07:28 PM 0
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Note that if you just get "2DToolkit" from the Asset store, I believe this problem is nicely resolved for you - it's a great tool.

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Answer by cjmarsh · May 19, 2011 at 06:08 AM

You could project a vector from every point on your surface ( up to the maximum supported resolution ) to an arbitrary plane representing your screen coordinates. This plane can then be crafted into a texture and displayed at the near clip plane of whatever camera type you like.

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