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MrCodeSushi

Fit object in camera view

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I'm thinking of a simple camera behavior where the camera would smoothly zoom in to an object but just enough that the entire 3d model would perfectly fit in the camera's view. More specifically, i'm creating a 3D textured quad with GUI elements rendered in the texture then the camera would zoom in to that quad until it would look like as if it was rendering quads in an orthographic projection; but it would still be in perspective projection. Kind of like similar to what Windows Aero View does when it transitions back.

Windows_7_Aero.jpg

I'm drawing blank on where to start on the math for this behavior. Can anyone be so kind to explain the mathematics for this? Pseudo-code would even be much helpful. smile.png Edited by BrentChua

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