Zoom/mousewheel sensitivity option about eternajs HOT 5 OPEN

Related thought brought up by Brourd: continuous Zoom (namely for mice with continuous scrolling)

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Do we want to drop the current zoom system in favor of the native translate/scale pixi functions (while keeping the logic of showing the triangles and the numbers)?
Or will we just change the current system to be continuous?

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The continous zoom system should still have a hook for things that exist in the 'RNA space' but don't scale (e.g base numbers).
It will probably work by default, but we need to make sure we don't just naively make all of the objects scale together as one.

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It might or might not be worthwhile to actually scale everything together, but then going in and redrawing some of the objects that need it. That could also allow, for example, marker radius to be increased slightly but only once you get under a certain zoom level

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If we do that, it would be great to have it abstracted (perhaps even to the DisplayObject level? Would need to think about that) so that all you need to do is set a property specifying the scaling behavior, and then when the parent gets scaled, it bubbles down to the children with... Would need to work through a performant and idiomatic way to do that, maybe similar to how pointertargets are handled? Dunno

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