object ListTrig extends ProductReader[ListTrig] with Serializable
A UGen that produces a scheduled sequences of trigger impulses. Trigger times
are provided as a list (buffer) of absolute offsets from time zero. A trigger is
output as a single control period of value 1 , after which output returns to
zero.
Examples
// trigger grains val b = Buffer(s) b.alloc(10) b.setData(Vector(1, 2, 3, 5, 8, 13, 21, 34, 55, 89).map(_ * 0.1f)) // quasi Fibonacci val x = play { val reset = "reset".tr val tr = ListTrig.kr(b.id, BufFrames.kr(b.id), reset) Timer.kr(tr).poll(tr, "timer") val env = EnvGen.ar(Env.perc(0.01, 0.1), gate = tr) SinOsc.ar(Seq(440, 460)) * env * 0.2 } x.set("reset" -> 1) // start anew x.free(); b.free()
This is a third-party UGen (MCLDUGens).
- Note
The argument order is different from its sclang counterpart.
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- def kr(buf: GE, size: GE, reset: GE = 0, delay: GE = 0): ListTrig
- buf
identifier of the buffer containing the offsets for the triggers in seconds. The offsets are taken against the start time of the synth or the last time a
resetwas received. They are not accumulative, and the behavior is undefined if the values are not sorted in ascending order. The buffer should be monophonic.- size
the number of values to use from the buffer. Typically, this should be
BufFrames.kr(buf).- reset
resets the timer and begins reading the time offsets again at the start of the buffer.
- delay
this value is added to each of the buffer values. For example, to delay the list of values all by half a second, use a
delayof0.5. This parameter is only updated at initialization or reset.
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