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Help, how can I fix this error: TypeError: Error #2007: Parameter hitTestObject must be non-null.

New Here ,
May 28, 2023 May 28, 2023

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TypeError: Error #2007: Parameter hitTestObject must be non-null.
at flash.display::DisplayObject/_hitTest()
at flash.display::DisplayObject/hitTestObject()
at Function/Disparos2_fla:MainTimeline/preparen/Disparos2_fla:fuego()[Disparos2_fla.MainTimeline::frame1:107]

 

Code:

import flash.utils.Timer;
import flash.events.TimerEvent;
stop();
var VidaP=100;
VidaP:uint;
VidaPerro.text=VidaP.toString();
var fallos=0;
fallos:uint;
Fails.text=fallos.toString();
var Tiempo=61;
var timer:Timer= new Timer (1000,61);
timer.start();
timer.addEventListener(TimerEvent.TIMER, InicioT);
function InicioT (e:TimerEvent){
Tiempo --;
Segundos.text=Tiempo.toString();
}
timer.addEventListener(TimerEvent.TIMER,fin_del_juego);
function fin_del_juego(e:TimerEvent){
if(Tiempo==0){
gotoAndPlay("dos");
}
}
timer.addEventListener(TimerEvent.TIMER,derrota);
function derrota(e:TimerEvent){
if((fallos>=10)&&(Tiempo<59)){
gotoAndStop("dos");
}
}
timer.addEventListener(TimerEvent.TIMER,victoria);
function victoria(e:TimerEvent){
if((VidaP<1)&&(Tiempo<59)){
gotoAndStop("tres");
}
}
Mouse.hide();
stage.addChild(puaj);
puaj.mouseEnabled=false;
puaj.addEventListener(Event.ENTER_FRAME,prepara);
function prepara(event:Event){
puaj.x=stage.mouseX;
puaj.y=stage.mouseY;
}
 
var Lderechamira:Number=785;
var Lizquierdamira:Number=15;
var Larribamira:Number=18;
var Labajomira:Number=486.7;
 
addEventListener(Event.ENTER_FRAME,apunta);
function apunta(event:Event){
if(puaj.x<Lizquierdamira){
puaj.x=Lizquierdamira;
}
if(puaj.x>Lderechamira){
puaj.x=Lderechamira;
}
if(puaj.y<Larribamira){
puaj.y=Larribamira;
}
if(puaj.y>Labajomira){
puaj.y=Labajomira;
}
}
var Lam:lam=new lam;
Lam.x=400;
Lam.y=500;
addChild(Lam);
var gota:Gota=new Gota;
gota.x=400;
gota.y=500;
addChild(gota);
var RGP:rgp=new rgp;
RGP.x=400;
RGP.y=500;
addChild(RGP);
 
var puntos=0;
puntos:uint;
Aciertos.text=puntos.toString();
 
var velocidadgota:Number=25;
 
stage.addEventListener(MouseEvent.MOUSE_MOVE,apunten);
function apunten(e:MouseEvent){
var uno=mouseY-Lam.y;
var dos=mouseX-Lam.x;
var radian=Math.atan2(uno,dos);
var grados=radian/(Math.PI/180);
Lam.rotation=grados;
 
}
stage.addEventListener(MouseEvent.MOUSE_DOWN,preparen);
function preparen(pEvent){
var gota:Gota=new Gota;
gota.x=Lam.x;
gota.y=Lam.y;
gota.angleRadian=Math.atan2(mouseY-Lam.y,mouseX-Lam.x);
gota.addEventListener(Event.ENTER_FRAME,fuego);
addChild(gota);
function fuego(pEvent){
var gota=pEvent.currentTarget;
gota.x +=Math.cos(gota.angleRadian)*velocidadgota;
gota.y +=Math.sin(gota.angleRadian)*velocidadgota;
gota.rotation=gota.angleRadian*180/Math.PI;
var puag:Puag=new Puag();
if(gota.hitTestObject(MR)){
puag.play();
MR.x=Math.random()*799.75;
MR.y=Math.random()*3.35;
puntos ++;
Aciertos.text=puntos.toString();
}
//if(gota.x<0||gota.x>800||gota.y<0||gota.y>400){
//removeChild(gota);
//gota.removeEventListener(Event.ENTER_FRAME,preparen);
if(gota.hitTestObject(Perro)){
puag.play();
Perro.x=Math.random()*799.75;
Perro.y=Math.random()*3.35;
VidaP --;
VidaPerro.text=VidaP.toString();
}
}
}
 
var LderechaMR:Number=900;
var LizquierdaMR:Number=5;
var LabajoMR:Number=600;
var LarribaMR:Number=5;
 
var velocidadMR:Number=5;
stage.addEventListener(Event.ENTER_FRAME,MRmoviendose);
function MRmoviendose(event:Event){
if(MR.x<LizquierdaMR){
MR.x=LizquierdaMR;
}
if(MR.x>LderechaMR){
MR.x=LderechaMR;
}
if(MR.y<LarribaMR){
MR.y=LarribaMR;
}
if(MR.y>LabajoMR){
MR.y=LabajoMR;
}
MR.y+=velocidadMR;
if(MR.y>=491.7){
MR.y=Math.random()*3.35;
MR.x=Math.random()*799.75;
fallos ++;
Fails.text=fallos.toString();
}
}

 

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Community Expert ,
May 28, 2023 May 28, 2023

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LATEST

make sure perro isn't null.

 

a sloppy way to do that:

 

if(perro){
if(gota.hitTestObject(perro){
//do whatever 

}

}

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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
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