final case class FoldIndex(rate: Rate, buf: GE, in: GE = 0) extends SingleOut with IsIndividual with Product with Serializable
A UGen which reads a single sample value from a buffer at a given index.
It uses the in argument as index into the buffer, truncating that argument to
an integer. Out-of-range index values are "folded" inside the valid range.
Folding means reflecting the excess at the valid range's boundaries.
For example, if the buffer has four samples, index 4 is wrapped to index 2 (the excess beyond the maximum index of 3 is 4 - 3 = 1, and the excess is folded so that and 3 - 1 = 2), index 5 is folded to index 1, index -1 is folded to index 1, index -2 is folded to index 2, etc.
While designed for monophonic buffers, it works with multi-channel buffers by
treating them as de-interleaved. See the Index UGen for details.
- buf
The buffer to read from.
- in
The sample index into the buffer. This is truncated to an integer automatically.
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