Re: Building a Racket client for SC

Oh, that was incredibly helpful, thank you a thousand times!

On Thu, 4 Mar 2021 at 01:27, <[email protected]> wrote:

> On Thu, Mar 4, 2021 at 8:20 AM James Harkins <[email protected]> wrote:
> > shapeNum[0], curveValue[0]...
>
> This, at least, is one point that *would* do with a text description
> somewhere.
>
> Most envelope segment shapes don't have any associated parameter:
>
> Env.shapeNames.asAssociations.sort { |a, b| a.value < b.value
> }.do(_.postln); ""
>
> (lin -> 1)
> (linear -> 1)
> (exp -> 2)
> (exponential -> 2)
> (sin -> 3)
> (sine -> 3)
> (welch -> 4)
> (wel -> 4)
> (squared -> 6)
> (sqr -> 6)
> (cub -> 7)
> (cubed -> 7)
> (hold -> 8)
>
> 5 is missing -- that's for a curve number.
>
> UGen inputs must be numbers.
>
> There's no way to disambiguate "number as shape specifier" and "number
> as curve parameter." (Because UGen input must be numbers, we can't use
> data type to disambiguate.)
>
> So the curve is represented with two numbers: shape number and curve
> value. If the shape number is 5, the curve value takes effect;
> otherwise the curve value is ignored.
>
> hjh
>
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