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I've been planning to do something similar, but at run-time where the last known value of each variable is shown. This would complement my stuff nicely - https://github.com/swax/CodePerspective
It would be cool to see this integrated with the system used in the backend at Pex for Fun ( http://www.pexforfun.com/ ), which tries to automatically find "interesting" inputs for a function given the code.
I've been planning to do something similar, but at run-time where the last known value of each variable is shown. This would complement my stuff nicely - https://github.com/swax/CodePerspective
Very cool. Just a quick caution from someone who has been building similar tools (not as fancy though), is that runtime instrumentation can often severely slow down the main app to the extent that people often don't want to run such tooling.
1) for coordinates and graphical shapes 2) so that it works both ways, i.e. from code to visualizer, but also so that manipulating makes it possible to change the code.
See http://www.youtube.com/watch?v=LpPwjB46E5I for an example of how this works in practice (look around 1:20 in the video)