[antonio112]

You can use this function, from 0.3d:

pawn Код:

OnPlayerTakeDamage(playerid, issuerid, Float:amount, weaponid);

For more info, read this, from sa-mp wiki and you'll probably find a way to do it. And yes, it is possible with SetPlayerVelocity.

https://sampwiki.blast.hk/wiki/OnPlayerTakeDamage