Use settings dict instead of all the hand variables. Adds a FrameRange object to iterate over.
Renames function to card_to_track()
Renames variables, adds more comments
Instantiates camera, card and background variables
Renames overloaded variable 'card' to 'tracker'
Removes main_axis when no longer needed
Fixed bug where we deleted main_axis before we should
More intuitive node positions during calculation and result
Minor style changes in panel display
Refactors into more private functions
Moves the creation of tracker, and corner_pin into private funcs
Removes extra if blocks and indents
We don't actually use the tracker for anything anymore, removes variable catch