174 lines
No EOL
3.9 KiB
Racket
174 lines
No EOL
3.9 KiB
Racket
#lang racket
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(require rsc3 "system.rkt")
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(provide
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(all-from-out rsc3))
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(provide (all-defined-out))
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;; TODO - remove. using "signal-slider" for testing
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(require "gui.rkt")
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;(run-super-collider)
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(define current-node-id 1000)
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(define (gen-node-id)
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(set! current-node-id (add1 current-node-id))
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current-node-id)
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(define custom-synth-num 1)
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(define (gen-synth-name)
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(set! current-node-id (add1 current-node-id))
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current-node-id)
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(define (wave-instrument wave-func)
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(letc ([bus 0]
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[freq 440])
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(out bus (mul 0.2 (wave-func ar freq 0)))))
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(define sin-instrument
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(letc ([bus 0]
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[freq 440])
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;; TODO - remove slider
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;(out bus (mul (signal-slider "amplitude" 100 800 200) (sin-osc ar freq 0)))))
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(out bus (mul 0.2 (sin-osc ar freq 0)))))
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(define saw-instrument
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(letc ([bus 0]
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[freq 440])
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(out bus (mul 0.2 (saw ar freq)))))
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(define moog-instrument
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(letc ([bus 0]
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[freq 440])
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(out bus (moog-ff
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(mul (saw ar freq) 0.1)
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(mouse-y kr 200 30000 1 0.1) 3 0))))
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;; other way
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#;(define (make-instrument name graph)
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(let ([sd (letc ([bus 0])
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(out bus ugen))]
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;[name (format "synth~a" current-node-id)]
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)
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(with-sc3 (lambda (fd)
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(send-synth fd name sd)))
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))
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(define-syntax-rule (make-instrument inst-name ([argname argdefault] ...) ugen)
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(let ([sd (letc ([bus 0]
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[argname argdefault] ...)
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(out bus ugen))]
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;[name (format "synth~a" current-node-id)]
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)
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(with-sc3 (lambda (fd)
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(send-synth fd inst-name sd)))))
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;; example of definst macro like overtone's definst
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#;(define-syntax-rule (define-instrument inst-name [[argname argdefault] ...] ugen)
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(define (inst-name [argname argdefault] ...)
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(+ argname ...)))
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(define perset-instrument-map
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`(("sin-inst" ,sin-instrument)
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("saw-inst" ,saw-instrument)
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("moog-inst" ,moog-instrument)))
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;; send synthdefs
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(for ([pair perset-instrument-map])
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(with-sc3 (lambda (fd)
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(send-synth fd (first pair) (second pair)))))
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; === user note funcs ===
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(struct note (id [freq #:mutable]) #:transparent)
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(define (create-synth name play-on-start)
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(define node-id (gen-node-id))
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(send-msg (s-new0 name node-id 1 1))
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;; TODO - send in bundle. it run 0 may be sent after
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; don't make sound upon creation
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(if play-on-start
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empty
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(send-msg (n-run1 node-id 0)))
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node-id)
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(define (make-note/option inst-name freq play-on-start)
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(define id (create-synth inst-name play-on-start))
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(send-msg (n-set1 id "freq" freq))
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(note id freq))
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(define (play-note inst-name freq)
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(make-note/option inst-name freq #t))
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(define (make-note inst-name freq)
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(make-note/option inst-name freq #f))
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(define (note-on the-note)
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;(send-msg (n-set1 inst "bus" track)) ; TODO
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(send-msg (n-run1 (note-id the-note) 1))
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(send-msg (n-set1 (note-id the-note) "freq" (note-freq the-note)))
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(void))
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(define (note-off the-note)
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(send-msg (n-run1 (note-id the-note) 0))
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(void))
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(define (set-note-param the-note name val)
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(if (eq? name "freq")
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(set-note-freq! the-note val)
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empty)
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(send-msg (n-set1 (note-id the-note) name val))
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(void))
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(define (mouse/x start end)
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(mouse-x kr start end 0 0.1))
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(define (mouse/y start end)
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(mouse-y kr start end 0 0.1))
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#|
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- to stop/run:
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(send-msg (n-run1 1001 1))
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|#
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;; ======== example useage ===========
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#|
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(define my-sin (preset-instrument "sin-inst"))
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(param-slider "change frequency" 300 1000 400
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(lambda (val)
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(set-inst-param my-sin "freq" val)))
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(param-check-box "synth on" #f
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(lambda (v)
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(if v
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(inst-on my-sin)
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(inst-off my-sin))))
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(show-gui)
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;; example:
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(sleep 0.5)
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; (note-on my-sin 500 1)
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; (note-off my-sin)
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|#
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