Unity Virtual Reality Projects - Second Edition

Adjusting for image aspect ratio

You probably noticed that some of your pictures appear squished since our framed image is shown at a fixed size and aspect ratio. What we really would like is for the frame and image to adjust themselves depending on the dimensions of the image.

When Unity imports a texture, it prepares it (by default) for GPU rendering as an object material texture, which includes resizing it to a square power of two (for example, 1024 x 1024, 2048 x 2048, and so on). If you adapt your project to read images at runtime, for example, from the Resources directory, the device's photo stream, or over the web, then you will have access to the image file's metadata header that includes its pixel width and height. In lieu of that, ...