annotate examples/sound/midi/plinky.scm @ 8:5e3cbbf173aa tip

Reorganise some more

(load "midi.scm")
(load "streams.scm")
(import "samer.maths.random.*")

(put "regulated" #t)
(put "colormap" (redgreen))
(put "symmetric" #t)

; (tasks)

(define N 64)
(define M 64)

(define matrix	(Matrix. "matrix" M N))
(define out   	(VVector. "out" N))
(define vgen  	(VGenerator. "gen"))
(define rowcol	(RowColumn. matrix))
(define decay 	(VDouble. "decay" 0.002))

(.setGenerator vgen (Binary.))

(define midiin (VVector. "midiin" 64))
(define synth (MidiWithAftertouch. midiin))
(define m 0)

(addtasks
	(sub 4 (task
		(.timesEquals matrix (- 1 (.get decay)))
		(.add matrix vgen)
		(.changed matrix)
	))

	(Ops.transfer rowcol midiin)
	(Ops.update midiin)
	synth
	(task
		(.setRow rowcol m)
		(set! m (if (< m (- M 1)) (+ m 1) 0))
	)
)

(define (load-file fn)
	(let ((f (ifstream fn)))
		(.load matrix f)
		(.close f)))

(define (f1) (load-file "walking_zither2"))
(define (f2) (load-file "walking_zither3"))
(define (f3) (load-file "walking_zither4"))
(expose)
(expose synth)