6 Specialzed layers 特殊层 第一部分 读书笔记 Specialization is a feature of every complex organization. 专注是每个复杂系统的特性 Catharine R. Stimpson Up to this point, we have been working with the CALayer class, and we have seen that it has some useful image drawin…
Hi All, 分享一下我学HTML5 摘抄的读书笔记(我用的还是英文,因为一些新的东西还是来自于欧美国家,希望大家习惯于看一些英文材料): 1. Difference between Sections and Articles? Think of a section as a logical part of a document. Think of an article as actual content, such as a magazine article, blog post, or n…
Implicit Animations 默认动画 读书笔记 Do what I mean, not what I say. Edna Krabappel, The Simpsons Part I covered just about everything that Core Animation can do, apart from animation. Animation is a pretty significant part of the Core Animation framewor…
Understanding Scroll Views 深入理解 scroll view 读书笔记 It may be hard to believe, but a UIScrollView isn't much different than a standard UIView. Sure, the scroll view has a few more methods, but those methods are really just facades of existing UIView…
4 Visual Effects 视觉效果 读书笔记 第四章 Well, circles and ovals are good, but how about drawing rectangles with rounded corners? Can we do that now, too? Steve Jobs We looked at the layer frame in Chapter 3, "Layer Geometry," and the layer…
<3D Math Primer for Graphics and Game Development>读书笔记2 上一篇得到了"矩阵等价于变换后的基向量"这一结论. 本篇只涉及两章,但容量已足够喝一壶了. 第8章 矩阵和线性变换 变换物体和变换坐标系是等价的,将物体变换一个量等价于将坐标系变换一个相反的量. 旋转rotation 2D中的旋转只有一个参数:角度θ,逆时针经常被认为是正方向. 在3D场景中,绕轴旋转而不是点.绕轴旋转θ°时,必须知道哪个方向被认为是正方向.在左手…
<3D Math Primer for Graphics and Game Development>读书笔记1 本文是<3D Math Primer for Graphics and Game Development>第一版的读书笔记.第二版貌似还没有中文版. 本书网站gamemath.com.中文版居然给了翻译公司的网址,而且里面还什么有用的都没有,囧. 第2章 笛卡尔坐标系统 左手坐标系的记忆方法 伸出左手,手指依次是())))))Z轴.他们分别对应起来,用左手摆成下图的样子(…
