Kevin O'Connor b915a2ad7d delta: Make it clear that a "virtual tower" is created ...

The delta code calculates a "virtual tower" along the line of
movement.  Rework the variable names and comments to make it clear
that this is occurring.

It is not necessary to pass the start_pos variable to the C code as it
is simple to update the start_pos at the start of each movement.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2017-04-07 15:05:41 -04:00

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