casing.velocity = casing.velocity + 2 * prandomvec();
casing.avelocity = '0 250 0' + 100 * prandomvec();
set_movetype(casing, MOVETYPE_BOUNCE);
+ casing.bouncefactor = 0.25;
settouch(casing, Casing_Touch);
casing.move_time = time;
casing.event_damage = Casing_Damage;