projectile.hspeed = 10 + lengthdir_x(obj_player.speed, obj_player.direction);
projectile.vspeed = 10 + lengthdir_y(obj_player.speed, obj_player.direction);

team = 0; // 0 - игрок, 1 - люди, 2 - заражённые

team = 1;

var near = -1;
var dist = 999999;
with (ParentMob) {
   var newDist = distance_to_object(other);
   if ((team == argument0 || argument0 == -1) && self != other && newDist < dist) {
      near = self;
      dist = newDist;
   }
}
return near;

var nearInfected = findNearMob(2); // ищем ближайшего заражённого
var nearAny = findNearMob(-1); // ищем ближайшего моба любой группы
if (nearAny != -1) {
   // моб найден
}