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minimal discrete time simulation in javascript
Get the uSim
class by var uSim = require("usim");
(node)
or define(["usim", ...], function (uSim, ...) { /*module code*/}
(AMD).
If needed, you can also just include it in <script src=".../usim.js"></script>
and use the global uSim
.
var usim = new uSim()
Creates new simulation timeline with initial time set to -Infinity
.
usim.schedule(time, object)
Schedules object
to occur at time
.
usim.time
The current simulation time.
usim.peek()
Returns the object that is scheduled to earliest time or null
.
If the object's time is higher than current time,
the current time is shifted accordingly.
usim.peek(cb)
Same as usim.peek()
, but instead of returning the object,
it calls the callback with the object or null
as the only argument.
usim.peekUntil(time)
Same as usim.peek()
, but if time of object if bigger than time
,
null
is returned instead and object stays in the schedule.
usim.peekUntil(time, cb)
Same as usim.peek(cb)
, but if time of object if bigger than time
,
null
is passed instead and object stays in the schedule.
usim.stream(cb)
Calls cb
with all scheduled objects, as if usim.peek(cb)
was called in loop while there are some scheduled objects.
usim.streamUntil(time, cb)
Same as usim.stream(cb)
, but quits if time would be shifted
past time
(IOW: streams all objects scheduled up to time
).
usim.run()
Same as usim.stream(function (each) { each(usim) })
.
IOW, treats all scheduled objects as functions
and calls them, passing itself as the parameter.