Particle Radial by velocity Direction

[Ultraman]

Hi ./ i want force my particle in the orthogonal Direction [ cross product velocity  ] 

but when i force , have flat radial particles ./

if see my hip file can better understand what i means .. it's little hard for me explain better 

thanks a lot's as always 

Particle Radial by velocity Direction.hip

[anim]

it's because your popvop1 is constantly recomputing your v direction from incoming v so it's literally flipping directions every timestep

to avoid this create Just Born Group on popreplicate3 

and execute your popvop1 only on that group

[Ultraman]

6 minutes ago, anim said:

it's because your popvop1 is constantly recomputing your v direction from incoming v so it's literally flipping directions every timestep

to avoid this create Just Born Group on popreplicate3 

and execute your popvop1 only on that group

Thanks alot's anim