Someone

//c#  

double x = 0;
double y = 0;

public void default_event_state_entry()
{
    llSetTimerEvent(0.1); 
}
 
public void default_event_timer() {
    x += 0.2;
    y += 0.1;
    
    Prim.Position.x = System.Math.Sin(x) * 10 + 100;
    Prim.Position.y = System.Math.Cos(y) * 10 + 100;
}