October 2017
Intermediate to advanced
548 pages
13h 23m
English
Content preview from Augmented Reality for Developers
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Supporting Cancel
What if you move or scale or otherwise change the picture and don't like it? The toolbar has a Done button; we should add a Cancel button. Cancel will reset the picture parameters to the values it had before this editing session started. This will be handed in the PictureController component.
Presently, the attributes of the picture we've been editing are FramedImage Transform. In Unity, you need to save them as three separate values for position, rotation, and scale. We will save the starting transform values when we begin editing, and restore them if we cancel editing.
At the top of the class, add the following to PictureController:
File: PictureController.cs private Vector3 startPosition; private Vector3 startScale; private ...
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