Correct way to remove sprites / container

[Fovi]

Hi, i wondering what is correct way to remove container ?

Is it enough to call destroy function on container, or do i need to remove each sprite first. And what about removing container from root stage ?

[ivan.popelyshev]

correct way is

IKnowParentContainer.removeChild(thisSmallThingy);

but sometimes you dont remember where did you put it!

myContainer.parent.removeChild(myContainer);

and sometimes you know that it wont be used anymore AT ALL. Then if all Text and Sprites elements doesnt have textures that you will use in future, you can destroy all textures inside

myContainer.parent.removeChild(myContainer);
myContainer.destroy({children:true, texture:true, baseTexture:true});

But dont worry. If you dont destroy things, javascript gc and our own pixi gc will take care of that in a few minutes.

The only evil thing is generated textures, its better if you destroy renderTextures you created. If you dont know whats a renderTexture, dont worry

[dmko]

On 5/20/2017 at 8:37 PM, ivan.popelyshev said:

our own pixi gc will take care of that in a few minutes.

Can you explain this a bit more? Will PIXI automatically destroy(false) unreachable DisplayObjects and/or destroy(true) unreachable Textures? 

[ivan.popelyshev]

DisplayObjects are taken by javascript GC. Textures that weren't used for 2-3 minutes or so, will be collected by pixi GC which is turned on by default. You can turn it off if it gives you lags. But if you dont destroy BaseTexture's , images will still live in "PIXI.utils.TextureCache", but they will be in png form (browser optimizes that), which is small compared to fully loaded texture

[canvasman]

Looks like when sprite.destroy() is used, it removes the sprite from parent container. Before destroying sprite, should I still remove it first?

[ivan.popelyshev]

You don't need to destroy sprites, its not required, pixi does not cache them. All pixi objects can be collected by default javascript GC, except those which hold links to WebGL or cached things.