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"+" - do one step forward (stop if running INF)
"-" - do one step back (stop if running INF)
CTRL + "+" - zooom in
CTRL + "-" - zooom out
left right up down - move map
Shift + start/stop button (or space) - go to 0.
You need QT5.9 or newer. There is no additional arguments in compiler. Also you can use QtCreator.
X64: https://yadi.sk/d/mEz3YSMF3LxNJV
X86: https://yadi.sk/d/iqOUyHLL3LxNLW
Mesh and Tiles working when current size of one cell is greater then 8 pixels.