[Sergiosousa]

Aqui:

pawn Code:

Speed = floatmul(floatsqroot(floatadd(floatadd(floatpower(X, 2), floatpower(Y, 2)),  floatpower(Z, 2))), 200.0);

Muda 200.0 para velocidade que deseja, exemplo maximo 160, metes:

pawn Code:

Speed = floatmul(floatsqroot(floatadd(floatadd(floatpower(X, 2), floatpower(Y, 2)),  floatpower(Z, 2))), 160.0);