AE制作动态循环背景教程 Amazing Motion Graphics Background

AE制作动态循环背景教程 Amazing Motion Graphics Background

在AE中制作点状动态背景视频，用表达式来控制动态效果

In this tutorial, we’ll take a look at how to create an amazing looking motion graphics background inside of Adobe After Effects.

用到的表达式：

Time
————————
seedRandom(1,true);
x = random(0.3,1.2);

value * x

Opacity
————————
seedRandom(1,true);
random(0,100);

Position
————————
value + [0,index*-30]