if(contains) & removeChild problems

Question

so i want to make it whenever evilShadow touches charShadow, dark is added. the whole function is an enter frame function. and whenever evilshadow does not touch charShadow there shouldnt be any dark.

if(evilShadow.hitTestObject(charShadow))

{

if(fadePresent == false)

{

dark = new DarkFade;

dark.scaleX = 4;

dark.scaleY = 4;

addChild(dark);

fadePresent = true;

}

if((evilShadow.hitTestObject(charShadow)==false)&&(contains(dark)))

{

fadePresent = false;

removeChild(dark);

}

everythin works fine but this error shows up

TypeError: Error #2007: Parameter child must be non-null.

at flash.display::DisplayObjectContainer/contains()

at HorrorGame/checkforHits()

somebeginner · Accepted Answer

i fixed the errors with another variablei took out if(contains(dark)) to if(darkhere == true)darkhere boolean tells if dark is present on the screen. idk why contains doesnt work tho

kglad · Answer

use:if(evilShadow.hitTestObject(charShadow)) { if(!dark||!dark.stage) { dark = new DarkFade(); dark.scaleX = 4; dark.scaleY = 4; addChild(dark); } } if(!evilShadow.hitTestObject(charShadow)&&dark&dark.stage) { removeChild(dark); }

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