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Nagaraju

How to clear PIXI.Application?

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I have implemented PIXI application with more containers  like containers inside another container. I am adding PIXI.Texture for video and PIXI.Sprite for Image view. Everything working fine for the first time. Whenever I try playing video again by closing and opening page, I can see blank and throwing Uncaught TypeError: Cannot read property 'updateTransform' of null

 I found somewhere that I need to clear the containers and PIXI.Applications. I am doing like below but could not get it done.

try{
if (this.appRenderer != null || this.appRenderer.stage != null) {
 
if(this.ticker.started){
this.ticker.stop();
this.ticker.remove(this.tickSlideRight);
this.ticker.destroy(true);
}
this.mainContainer.children.map((item) =>{ //it contains another container in which video and image functionalities implemented
item.destroy(true);
})
this.mainContainer.destroy(true);
this.imageSlideElementHolder.removeChild(this.appRenderer.view);
this.appRenderer.stage.destroy(true);
this.appRenderer = null;
 
}
 
}catch(ex){
console.log("Component Unmount, Pixi release ",ex.message) //TO-DO
}
 
 

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I initialized like below

 

init = (glBaseElement) => {
//Create pixi application instance
this.baseElement = glBaseElement;
this.ticker = PIXI.Ticker.shared;
this.ticker.autoStart = false;
 
this.appRenderer = new PIXI.Application({
width: this.appRendererWidth,
height: this.appRendererHeight
});
 
this.imageSlideElementHolder = this.refs[glBaseElement];
this.imageSlideElementHolder.appendChild(this.appRenderer.view);
this.mainContainer = new PIXI.Container();
this.appRenderer.stage.addChild(this.mainContainer);
this.getAllSlides();
};

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19 hours ago, ivan.popelyshev said:

Hi! I'm glad that you use custom appplication! 

It should work.

Can you use devtools, to see where exactly is that function called? it should be one more ticker.

I am using only one ticker

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what about the one inside application that is turned on by default? 

You have to read https://github.com/pixijs/pixi.js/wiki/v5-Custom-Application-GameLoop  and either get rid of application in favor of simple renderer, or notice that app has its own destroy: https://github.com/pixijs/pixi.js/blob/dev/packages/app/src/Application.js#L132

Application was created as a helper class for hello-worlds and examples. Yes, we support it in production if people want, but I require from everyone to actually look inside and understand that it's just a mashup, you should get rid of it as soon as you encounter first problem.

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