Object/Class

de.sciss.synth.ugen

Fold

Related Docs: class Fold | package ugen

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object Fold extends Serializable

A UGen that constrains a signal to a given range, by "folding" values outside the range. This is similar to the fold2 binary operator but permits both a lower range value lo and an upper range value hi .

Folding can be understood as "reflecting" around the boundaries. For example, if the upper margin is 3, then if an input value exceeds 3, the excess is negatively reflected; 3.1 becomes 2.9, 3.2 becomes 2.8, etc. until the lower margin is reached again where another reflection occurs. Likewise, if the lower margin is 1, then if an input value falls below 1, the undershoot is reflected; 0.9 becomes 1.1, 0.8 becomes 1.2, etc. until the upper margin is reached again where another reflection occurs.

Examples
// fold sawtooth wave to modulate timbre
play {
  val hi = SinOsc.ar(0.1).linexp(-1, 1, 0.01, 1.0)
  Fold.ar(Saw.ar(300), 0, hi) * 0.2 / hi
}
See also

Clip

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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def ar(in: GE, lo: GE = 0.0f, hi: GE = 1.0f): Fold

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    in

    input signal to constrain

    lo

    lower margin of folding

    hi

    upper margin of folding

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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  9. def finalize(): Unit

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  10. final def getClass(): Class[_]

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  11. def hashCode(): Int

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  12. def ir(in: GE, lo: GE = 0.0f, hi: GE = 1.0f): Fold

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    in

    input signal to constrain

    lo

    lower margin of folding

    hi

    upper margin of folding

  13. final def isInstanceOf[T0]: Boolean

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  14. def kr(in: GE, lo: GE = 0.0f, hi: GE = 1.0f): Fold

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    in

    input signal to constrain

    lo

    lower margin of folding

    hi

    upper margin of folding

  15. final def ne(arg0: AnyRef): Boolean

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  16. final def notify(): Unit

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  17. final def notifyAll(): Unit

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  18. final def synchronized[T0](arg0: ⇒ T0): T0

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  19. def toString(): String

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  20. final def wait(): Unit

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  21. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(arg0: Long): Unit

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