Issues creating trail in unity

Hi everyone,

I’m just learning VFX in few weeks. I use unity to make fx. I have some problems with creat trail in unity.
Screenshot 2021-10-05 223949|689x331
I can’t make an offset run and it looks like this. I know this issue is onside but I really don’t know how to do this trail. Can somebody help me? :yum: :yum: