Shiny widget that allows user to click on and visually move a plot line, feeding those changes back into numeric parameters for the modified plot?

Question

I'm becoming fanatical about data visualisation and simplification. For facilitating the user experience.

My models require multiple user inputs (scenario assumptions). Those inputs are processed, and among other things the output is rendered in line plots (usually reflecting a normal, lognormal, or beta distribution curve).

The user having made those initial model inputs, and seeing the output plot lines, is there any sort of Shiny widget or package that would allow the user to click on the output plot line, and move/manipulate that line so the user can then see how the plot's numeric parameters are changing, reactively (instantly) say in a table to the right (or below) that manipulated plot? Or anything similar?

`library(plotly)` provides the possibility to drag shapes (e.g. [circles](https://stackoverflow.com/questions/47280032/draggable-line-chart-in-r-shiny/54777145#54777145) or [lines](https://stackoverflow.com/questions/49731381/movable-lines-in-plotly-r)). — ismirsehregal, Sep 09 '21 at 07:13

Shiny widget that allows user to click on and visually move a plot line, feeding those changes back into numeric parameters for the modified plot?

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