August 2015
Intermediate to advanced
246 pages
4h 21m
English
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Creating and using Atlas
Atlas is a useful tool for any app because it permits the condensing of all the pictures that we are going to use in the app in just two simple files. Atlas has the advantage that the app only needs to load just one image file, which is less error susceptible, and also it is cheaper in resource usage than loading several images, especially if it's done over the Web. The Atlas area is used a lot in games for rendering. This recipe will use a button that will swap the background images when clicked.
Getting ready
We will need three different pictures in standard formats (that is, PNG or JPEG). With these pictures, we will create an Atlas. From the terminal, go to the directory where the pictures are. There, use the instruction: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.