move the object left and right

hi < how all? hope fine...

 

iam trying make more spells hero , spell fireball

and want move right when hero on right left when hero on left

 

i tried code when press w should move 10 or 20 px should stop

but idont step "then should stop"  because of error fireball does,t move

as want

 

typeerror: error #1010: term undefined , has no properties.

at hero/onenterframe()

 

 

here code

hero class

 

package {

    import flash.display.movieclip;

    import flash.events.keyboardevent;

    import flash.ui.keyboard;

    import flash.events.event;

    import flash.sensors.accelerometer;
import flash.media.sound;
import flash.media.soundchannel;

    public class hero extends movieclip {
var nightjungle:nightjungle = new nightjungle
        var electricalshield:electricalshield=new electricalshield  ;

 

        var speed:int=3;
var fireballindex:array = new array
        var dir:int;
  var electricity:electricity = new electricity;
  var soundchannel:soundchannel = new soundchannel
  var firespeed:int = 50
var i:int
        public function hero() {

            addeventlistener(event.added_to_stage,onaddedtostage);

        }

        public function onaddedtostage(event:event):void {

            addeventlistener(event.enter_frame,onenterframe );

            stage.addeventlistener(keyboardevent.key_down,onkeydown);

            stage.addeventlistener(keyboardevent.key_up,onkeyup);

           
soundchannel = nightjungle.play(1,1000)
            gotoandstop(4);
  

        }

 

        public function onenterframe(event:event):void {

            x +=dir*speed;
   if(fireballindex[i].stage){
    fireballindex[i].x += 1
   }

        }

        public function onkeydown(event:keyboardevent):void {

            if (event.keycode==keyboard.right) {

                gotoandstop(2);

                dir=1;
    speed = 10
    if (electricalshield.stage)
    addchild(electricalshield)
   

            }

            if (event.keycode==keyboard.left) {

                gotoandstop(1);

                dir=-1;
    speed  = 10
    if (electricalshield.stage)
    addchild(electricalshield)

            }

            if (event.keycode==keyboard.up) {

                gotoandstop(1);

                y=10;

            }

            if (event.keycode==keyboard.q) {

                speed=30;

                addchild(electricalshield);
    soundchannel = electricity.play()
   
            }
if (event.keycode == keyboard.w) {

    fireballindex.push(new fireball())

addchild(fireballindex[i])
fireballindex[i].width = 50
fireballindex[i].x += firespeed * dir

i++
trace(i)
   }
  if (event.keycode == keyboard.e) {
movieclip(parent).aa.x = x +100
  }
}

        public function onkeyup(event:keyboardevent):void {

            if (event.keycode==keyboard.q) {

                if (electricalshield.stage) {

                    removechild(electricalshield);
if (soundchannel != null)
                    speed=0;
     soundchannel = electricity.play(1,1)

                }

            }
      if (event.keycode==keyboard.w) {

      }
     

            if (event.keycode==keyboard.left) {
speed = 0
      gotoandstop(3);
      if (electricalshield.stage)
    addchild(electricalshield)

            } else if (event.keycode == keyboard.right) {
speed =0
                gotoandstop(4);
if (electricalshield.stage)
    addchild(electricalshield)
            }

        }

    }

}

 

thank you

use trace command find out object in oneneterframe function causing error...

 

        public function onenterframe(event:event):void {

            trace(x, dir, speed, i, fireballindex[i], fireballindex[i].stage);

            x +=dir*speed;
            if(fireballindex[i].stage){
                   fireballindex[i].x += 1
             }

        }

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