AE 制作Motion水滴运动 Exploring Path Animation in After Effects for Creating Animated BlobsAE Motion路径动画教程，制作小水滴，然后沿路径运动make liquid blobs fly around the frame.

I’m sure you’ve seen this before and if you’ve tried particle systems, and just plain drawing it, then you need this lovely solution that uses other paths as guides but still tricks the computer into doing most of the work for you.

It’s great.