Plugin Reka Grid is a powerful grid tool with a lot of features to customize and animate.
for arrays in After Effects.
Hundred combinations for thousands objects in single tool.
Generate, randomize, animate.
Shape can be Triangle, Rectange, Circle, Star, "Y" or "X"
Any parameter of this shapes can be adjusted and animated with noise or custom layers.
Grid can be regular or hexagonal. Or with power of Scripts it can be anything like a spiral or sine and even Phyllotaxis.
Also any parameter of grid can be animated with noise or custom layers.
Each point of grid is represented by copy of shape and called Instance. Instances have a lot of parameters to animate: Radius, Angle, Position Offset, Color, Alpha.
with a simple Script
animated with layer