[TBagT]

Hello everyone,

So right to the point, I'm trying to make a drone fly near a players head but I get a NaN velocity and not sure why...

PHP Code:


public spawn_drone( id, drone_id ) {
        if( player_has_drone[ id ] )
                return;

        new Drone[ DroneInformation ];
        ArrayGetArray( Drones, drone_id, Drone );

        new Float: fOrigin[ 3 ];
        entity_get_vector( id, EV_VEC_origin, fOrigin );

        fOrigin[ 1 ] += 18.0;
        fOrigin[ 2 ] += 24.0;

        new DroneEntity = create_entity( "func_breakable" );
        entity_set_string( DroneEntity, EV_SZ_classname, EntName );
        entity_set_int( DroneEntity, EV_INT_solid, SOLID_TRIGGER );
        entity_set_int( DroneEntity, EV_INT_movetype, MOVETYPE_FLY );
        entity_set_int( DroneEntity, EV_INT_iuser1, drone_id );
        entity_set_edict( DroneEntity, EV_ENT_owner, id );
        entity_set_model( DroneEntity, Drone[ drone_model ] );

        entity_set_float( DroneEntity, EV_FL_takedamage, 1.0 );
        entity_set_float( DroneEntity, EV_FL_health, Drone[ drone_health ] );
        entity_set_float( DroneEntity, EV_FL_nextthink, halflife_time( ) + 0.1 );

        entity_set_origin( DroneEntity, fOrigin );

        player_has_drone[ id ] = true;

        return;
}

public drone_think_ai( droneEnt ) {
        // Drono informacija //
        new Drone[ DroneInformation ];
        new DroneOwner = entity_get_edict( droneEnt, EV_ENT_owner );
        new DroneID    = entity_get_int( droneEnt, EV_INT_iuser1 );
        ArrayGetArray( Drones, DroneID, Drone );

        // Sekiojimas //
        new Float: fOrigin[ 3 ], Float: fAngles[ 3 ];
        entity_get_vector( DroneOwner, EV_VEC_origin, fAngles );
        entity_get_vector( droneEnt, EV_VEC_origin, fOrigin );

        // Set Angles so it aims forward //
        fAngles[ 1 ] += 18.0;
        fAngles[ 2 ] += 24.0;

        // entity_set_origin( droneEnt, fOrigin );
        xs_vec_sub( fAngles, fOrigin, fOrigin );
        xs_vec_normalize( fOrigin, fOrigin );
        xs_vec_mul_scalar( fOrigin, 150.0, fOrigin);

        fOrigin[ 0 ] = 0.0;
        entity_set_vector( droneEnt, EV_VEC_velocity, fOrigin );

        // Forwardinam ai //
        ExecuteForward( Drone[ drone_forward ], fwResult, DroneOwner, droneEnt );

        // Pratesiame drono mastyma //
        entity_set_float( droneEnt, EV_FL_nextthink, halflife_time( ) );
} 


[PRoSToTeM@]

Check vector fOrigin for (0,0,0) before xs_vec_normalize, there can be divide by zero.