[Arrows73]

If you mean the absolute distance

(not tested)

Код:

public IsObjectToPoint(ObjectID, PX, PY, PZ)
{
new Float:OX, Float:OY, Float:OZ, Float:Diff;
GetObjectPos(ObjectID, OX, OY, OZ);
Diff = floatsqrt(floatpower(PX - OX, 2) + floatpower(PY - OY, 2) + floatpower(PZ - OZ, 2));
return Diff;
}

Pythagoras