一. 1.The Facade Pattern provides a unifi ed interface to a set of interfaces in a subsytem. Facade defi nes a higher-level interface that makes the subsystem easier to use. 2.Facades and adapters may wrap multiple classes, but a facade’s intent is to…
[Game Engine Architecture 13] 1.describe an arbitrary signal x[n] as a linear combination of unit impulse. 每个信号都可以用 unit impulse 来表示,即原始的每一个数值 x[] 与 q[n-k] 的卷积和. 2.convolution(卷积) 下面公式被称为 convolution sum(卷积和): 3.Convolution in Continuous Time everyth…