zsisme
ios核心动画高级技巧

Updated 3 years ago

bunnyshell (@lxian) started discussion #18

4 years ago · 0 comments

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CAEmitterLayer看上去像是许多CAEmitterCell的容器,这些CAEmitierCell定义了一个例子效果。你将会为不同的例子效果定义一个或多个CAEmitterCell作为模版,同时CAEmitterLayer负责基于这些模版实例化一个粒子流。一个CAEmitterCell类似于一个CALayer:它有一个contents属性可以定义为一个CGImage,另外还有一些可设置属性控制着表现和行为。我们不会对这些属性逐一进行详细的描述,你们可以在CAEmitterCell类的头文件中找到。

CAEmitterLayer (Edit this file)

“例子”应为“粒子”

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