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5neia_opo2@google-mail.ooo
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I have had no problems with interactionmanager not handling css-scaling.

Very often you dont want to have automatic scaling. At least in my projects automatic scaling on resize would break a lot of stuff.

You can do the scaling manually really easy by doing something like this:

var newSize = new Rectangle(0,0, widthyouwant, heightyouwant);
var originaSize = new Rectangle(0,0, something, something);

//Calculate how much scaling should be done. Keep the aspect with if and make sure canvas always fits wanted size.
var s = newSize.width/originalSize.width;
if( s > newSize.height / originalSize.height)
  s = newSize.height / originalSize.height

renderer.resize(newSize.width, newSize.height);
mainContainer.scale.set(s,s);

or you could apply that scaling to canvas like this:

 

var newSize = new Rectangle(0,0, widthyouwant, heightyouwant);
var originaSize = new Rectangle(0,0, something, something);

//Calculate how much scaling should be done. Keep the aspect with if and make sure canvas always fits wanted size.
var s = newSize.width/originalSize.width;
if( s > newSize.height / originalSize.height)
  s = newSize.height / originalSize.height

renderer.view.style.transformOrigin = "0 0";
renderer.view.style.transform = "scale("+s+","+s+")";

 

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We even have the special mention in wiki: https://github.com/pixijs/pixi.js/wiki/v4-Gotchas#css-transforms-on-canvas  , if you are working with css transforms and something went wrong, please teach InteractionManager to do it your way by hacking mapPositionToPoint function. I approve those hacks.

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