It is getting
more and more interesting to study DrRocket, because we started to deal with “big-bang”,
which means animation. There are several instructions that needed to be remembering
in order to do “big-bang”.
(big-bang)
This is to start
the world
(on-draw
show-it 300 200)
This
is an event handler
(on-tick
function-name interval)
This is an tick handler
We made a clock working
on class as an example to illustrate how the animation works on DrRocket.
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