final case class VarSaw(rate: Rate, freq: GE = 440.0f, iphase: GE = 0.0f, width: GE = 0.5f) extends SingleOut with Product with Serializable
A sawtooth-triangle oscillator UGen with variable duty. A width of zero
produces a sawtooth of falling slope, with an initial phase of zero making it
start at +1. A width of 0.5 produces a triangle wave, starting at -1 then
raising to +1, then falling again to -1. A width of 1.0 produces a sawtooth of
rising slope, starting -1.
Increasing the initial wave will increase the offset into the waveform. For example, with a phase of 0.5 and a width of 0.5, the result is a triangle waveform that starts at +1.
There is a strange anomaly for the falling sawtooth (zero width): Instead of starting directly at +1, the first sample is -1 and only from the second sample at +1 the waveform starts falling. In other words, the waveform has a delay of one sample.
- freq
frequency in Hertz
- iphase
initial phase offset in cycle (0 to 1)
- width
duty cycle from zero to one.
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