execute at @s[scores={forward=..0}] positioned ^ ^ ^1 run function main:particles/circle_small {particle:dust_plume}
execute at @s[scores={forward=1..}] positioned ^ ^ ^3 run function main:particles/circle_small {particle:ash}
execute at @s[scores={forward=..0}] positioned ^ ^ ^1 run function main:particles/circle_small {particle:dust_plume}
execute at @s[scores={forward=1..}] positioned ^ ^ ^3 run function main:particles/circle_small {particle:ash}