need help with an error 1009

Report · Jan 17, 2014

so i am a highschool student and i am working on a project in game design and so im working on it then this 1009 asshole comes up and i have been working on getting rid of this for a few days with no luck or only bad luck. so i asked my teacher he couldnt fix it and after about 10 minutes basically he said i cant fix it so go to the forums and i had already. so in the code it says it is line 103 which i will mark with a this is line 103 in all caps. there is an a4 and there is a ship.

import flash.events.KeyboardEvent;

import flash.events.Event;

import flash.display.DisplayObject;

//go to a1, it needs to be fixed

stop();

var speedVert:Number=0;

var speedHoriz:Number=0;

instr_txt.alpha-=2;

ship.x=275;

ship.y=200;

var angle:Number = Math.atan2(ship.y - this.y, ship.x - this.x);

var xstep:Number = Math.cos(angle) * this.speed;

var ystep:Number = Math.sin(angle) * this.speed;

function q1(evt:MouseEvent):void

{

gotoAndStop(107);

}

a1.addEventListener(MouseEvent.CLICK, q1);

function moveShip(event:KeyboardEvent):void{

if(event.keyCode==38){

ship.y-=3;

}

if(event.keyCode==40){

ship.y+=3;

}

function rotateShip(event:KeyboardEvent):void{

if(event.keyCode==39){

ship.rotation+=5;

}

if(event.keyCode==37){

ship.rotation-=5;

}

//function shipInit(event:KeyboardEvent):void{

//attachMovie("ship", "ship_mc", 2);

//ship._x = RIGHT/2;

//ship._y = BOTTOM/2;

//ship.VELX = 0;

//ship.VELY = 0;

//ship.onEnterFrame = control;

//ROTATE = 0;

//THRUST = 0;

//}

stage.addEventListener(KeyboardEvent.KEY_DOWN, moveShip);

stage.addEventListener(KeyboardEvent.KEY_DOWN, rotateShip);

function loop(evt:Event):void

{

//rocks below

a1.rotation+=12;

a2.rotation+=15;

a3.rotation+=5;

a4.rotation+=10;

a5.rotation+=11;

if(a1.y<=-50)

{

a1.y=435;

}

if(a2.y<=-50)

{

a2.y=445;

}

if(a3.x<=-55)

{

a3.x=614;

}

if(a4.x>=614)

{

a4.x=-30;

}

if(a5.y>=450)

{

a5.y=-30;

}

a1.y-=1;

a2.y-=2;

a3.x-=3;

a4.x+=2;

a5.y+=1;

}

a4.gotoAndStop("liquid");

stage.addEventListener(Event.ENTER_FRAME, loop);

ship.addEventListener(Event.ENTER_FRAME, stage2);

function stage2(evt:Event):void

{

if (ship.hitTestObject(a4)){ (THIS IS LINE 103)

gotoAndStop(128);

//stage.removeEventListener(KeyboardEvent.KEY_DOWN, moveShip);

//stage.removeEventListener(KeyboardEvent.KEY_DOWN, rotateShip);

stage.removeEventListener(Event.ENTER_FRAME, stage2);

stage.removeEventListener(Event.ENTER_FRAME, loop);

}

/*function resetA (evt:Event):void{

if (ship.hitTestObject(a4)){

a4.x=-30

}

ship.addEventListener(Event.ENTER_FRAME,resetA);*/

Report · Jan 17, 2014

i've already answered this once:

either ship or a4 is null (ie, don't exist) when that line of code executes.

Report · Jan 17, 2014

Good afternoon.

" a4 " and "ship " are movieclip , right? When you run the function " stage2 " checks if the condition is true , follows :

stage2 function ( evt : Event) : void
{
          if ( ship.hitTestObject ( a4 ) ) { ( THIS IS LINE 103 )
                    gotoAndStop (128 );
                    / / stage.removeEventListener ( KeyboardEvent.KEY_DOWN , moveShip ) ;
                    / / stage.removeEventListener ( KeyboardEvent.KEY_DOWN , rotateShip ) ;
                    stage.removeEventListener ( Event.ENTER_FRAME , stage2 ) ;
                    stage.removeEventListener ( Event.ENTER_FRAME , loop ) ;
          }
}

In marked line you remove the event from the "stage" but this event needs to be removed so movieclip "ship " , follows :

stage2 function ( evt : Event) : void
{
          if ( ship.hitTestObject ( a4 ) ) { ( THIS IS LINE 103 )
                    gotoAndStop (128 );
                    / / stage.removeEventListener ( KeyboardEvent.KEY_DOWN , moveShip ) ;
                    / / stage.removeEventListener ( KeyboardEvent.KEY_DOWN , rotateShip ) ;
                   ship.removeEventListener ( Event.ENTER_FRAME , stage2 ) ;
                    stage.removeEventListener ( Event.ENTER_FRAME , loop ) ;
          }
}

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need help with an error 1009