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Core animator tutorial1/5/2024 ![]() Hence, having an understanding there will make it easier to work with the graphics hardware.īut, is it possible to make a game on top of Core Animation? I found out that Disney does a few of their games on top of Core Animation. game development or other types of technologies that you incorporate OpenGL), many of these properties in Core Animation will seem familiar. In fact, dare I say it, if you have done low level graphics programming (e.g. ![]() That is, texture bit-mapped polygons, and you would manipulate them on the GPU level. Back in the days when I did modding of game engines, the UI was the same hierarchy: you had a series of GPU-backed squares, quads, on the screen. ![]() I like to think of it as akin to game development. Their commands are more offloaded to the GPU and used to create the graphics that are shown on the screen, powered by the GPU hardware. The two are linked together: accessing a property in one would automatically update the property in the other one.Ĭore Animation is not executed on the CPU. Many properties in UIKit, especially in UIView objects, map directly to properties in Core Animation. It is the graphics rendering and animations system available in iOS, and it is deeply integrated with UIKit. Whereas in iOS, it is one level lower than UIKit, but an integral part of the system. You could opt in if you wanted that performance for your graphics. But, once you get to know how to use it, you can create great effects.Ĭore Animation was introduced in OS 10 as an optional component. The API has not changed much between Objective-C and Swift, but it is the type of framework that many developers do not know about, as it is not necessary when you are developing apps. This will include CA layout object, and what effects you can apply to these layer objects to create new effects (not possible with UIKit).ĪPIs: what APIs are available, and what effects you can achieve.ĬALayer subclass APIs, and GPU level effects.Ĭore Animation is one of my favorite frameworks in iOS. Introduction to Core Animation, and how it differs to UIKit. Even though I work at the company, coming from a customer perspective, I recommend it. Note: I am happy to say that iComics uses Realm. I would like to show you everything I have learned from my experience. This is where I am coming from with my presentation today. As a result, I have spent much time over the years playing with various techniques: image scaling, image rendering, and playing with Core Animation to get it to work. Sometimes it is small, but often it is big and needs to be treated before it can be effectively rendered on an iOS device. It is challenging: when you have an app that relies on user input data, you usually cannot tell what format the entered data will come in. On the Japanese side, there is Mangatoshokan Z where you can buy comics in a DRM-free format. There are websites that serve to republish old comics that have lost their copyright status, as well as new sites (e.g. The goal is to buy comics yourself off the internet, put them into your iOS device, and then you can read them anywhere. Hi, I’m Tim Oliver! In today’s post, I’d like to talk about advanced graphics with Core Animation.Īs a a side project, I am working on a DRM-free comic reader app for iOS: iComics. In this talk from try! Swift, Tim Oliver explains the concepts of how Core Animation works in iOS, how to work with the API, as well as examples on what types of animations and effects it can enable in your app. However, by dropping down to Core Animation level, it is possible to create even more dynamic and impressive animations that can help make your app stand out. Animation is one of the cornerstones of the UI experience on iOS, and thanks to the animation APIs in UIKit, it is incredibly easy.
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