Cocoa iOS デザインパターン
Cocoa iOS デザインパターン どうも今のインターネット※の上ではMacよりも、iOSのコードやフレームワークを前提にした話が多いせいか、“Cocoa” という言葉を見なくなってきたように見えるのは、iOS前からCocoaを書いてきた人間にとっては少し悲しいことである。 そんなことはどうでも良くて、最近他人の書いたiOSのコードをよく見るのだが、その書き方、クラスの切り方、命名規則、カテゴリの使い方、継承の使い方、デリゲートなど各種パターンの使い方などなどその差は千差万別である。最初にCocoaを使ったという人は希少で、その大半は以前にC#, Java, Ruby, Python, PHPやそれらでよく使われているフレームワークを使っているがゆえ、CocoaらしいCocoaを書いている、書けている、または意識している人は少ないかもしれない。 Cocoa的な書き方は何で正解であるかとい
iPhoneアプリ開発関連情報 - もとまかのiPhone・iPod touch戯れ日記
MacBookのセットアップが終わり、無事iPhoneSDKも動いてます(^o^)最近色々集めてた、iPhoneアプリ開発関連情報を以下に列挙しておきます。 最初にやること iPhoneアプリ開発の始め方http://d.hatena.ne.jp/yaneurao/20080831#p1 ネイティブアプリ開発に必要な機材http://iphone-dev.jp/modules/pico/index.php?content_id=3 MacBook 買った後にやったことまとめhttp://d.hatena.ne.jp/amachang/20080318/1205824212 MacBookAirを買ったあとにやったことまとめhttp://d.hatena.ne.jp/HolyGrail/20080305/1204729899 iPhone SDKの開発に入る前に読んでおきたい日本語の資料（O
ObjectiveFlickr
Flickr API Library in Two Flavors, Objective-C and Ruby I haven’t really been taking care of ObjectiveFlickr.framework for a while. For the past few months many things have demanded my attention. In between I’ve attended sfMacIndie Soirée 2008 and been to this year’s WWDC too. How time flies! I want to apologize for my late response on everything regarding the framework. Lately we’ve seen fresh in
PrEV | Keyframe Animation
I have been doing some keyframe animations lately and figured it would make a good entry. Keyframe animations are cool because they give you more exact control over the way your layers animate. The basic animation does a linear interpolation between the 'start' value and the 'end' value. Which works great in many if not most cases but some times you want the path your animation follows to be some
Theocacao: CoreAnimation Sample Code: ArtGallery 1.0.1
CoreAnimation Sample Code: ArtGallery 1.0.1 There have been improvements since the first version of ArtGallery. Most notably, there's an example of using a Core Image transition in CoreAnimation, as well as some sound effects. Clicking on an image causes a Mario64-esque ripple as the item transitions to black-and-white. There is also keyboard navigation now and the on-screen arrow controls have be
Theocacao: A Three-Pack of Core Animation Samples
A Three-Pack of Core Animation Samples Lucas Newman has posted a collection of three Core Animation sample projects. These examples stand out not only because they actually do interesting things, but the code is well-written and well commented. The three samples are: 1. Wallball — a 3D pong-like game where you bounce the the ball against a backboard which stretches and distorts as the ball makes c
Theocacao: CocoaHeads: Video for Core Animation Intro
Both Lucas and I have some projects that we demoed which aren't available for download right now. For me, it's because there's a difference between code that's ready to demo, and code that's ready to distribute. I think you guys and gals would probably like everything that was demoed, so we'll see if we can make that happen. If you like a lot of pixels, Stephen Zyszkiewicz uploaded the talk in HD
Photoshop-like compositing with Core Animation
If you've ever tried Core Image's compositing filters, you've seen the BIG gotcha : the images are composited one of top of each other and you can't change their position. That means they're stuck at the same position, both cramped at (0, 0) — not very useful unless you're blending same size images. To position two images where you want them and have the top one composited on top of the other one,
Core Animation Phantom Fade
Have you ever seen ghosting when creating layers and animating them to a new position ? I have, and I've been puzzled. In CocoaNav, the frameworks gradually move to the back, and once they're loaded they all move up front on the same plane. Once I messed up so bad to actually see Core Animation fading between the two positions ! Animating squares, this looks like that : You're expecting layers to
how to create a grid of calayers / entries / tonyarnold.com
Update: this is indeed a dodgy method I’ve posted below. I’ll update this post when I can, but you’re better off digging out your 8th grade maths and working out the coordinates of surrounding cells and constraining all edges to each other. Friends don’t let friends blog at 12.30am. So I’ve been puzzling for a few weeks through the dim and darkened alleyways of Leopard’s new Core Animation APIs an
Core Animation Starfield
Here's a little Core Animation sample with 3d layers. It looks better when moving ! :) After learning that core animation doesn't like a root layer with a perspective transform, this sample sets up the perspective transform on a container layer, and stores the CATextLayer layers there. Works pretty well this time ! This uses preferredFrameSize to set the CATextLayer bounds, animates zPosition with
Core Animation culling problems
While playing around with Scott Stevenson's NanoLife, I've wondered 'How would it look in 3d' ? Unfortunately, it looks … pretty bad. Once you setup a projection matrix and give your layers a z position, Core Animation handles your layers as 3D objects. The problem here is culling : deciding which layers are visible on screen. In 2D the problem is trivial : just check the x,y position of the layer
Core Animation Tutorial: Window Shake Effect | Cocoa Is My Girlfriend
Core Animation is really the buzz among Cocoa developers these days and we are no different from the rest. Learning to do simple fades and frame movement is trivial, but figuring out the more complex effects is quite a challenge. We decided to venture out and try to create some really concise examples of effects you might find used in Leopard. And while these effects may not be done with Core Anim
Cocoa for Scientists (XXIV): Core Animation First Steps - MacResearch.org
Arguably the most important change in Leopard was not a user feature, but a developer one: Core Animation. Over the coming years, the way applications look and react to user interaction will change dramatically, and that will be largely due to the ease with which interfaces can be animated with Core Animation. Sure, there will also be overt eye candy, but there will also be lots of more subtle cha
Aerialarts » 2ch 過去ログ置き場
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