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authorgretchen <gretchen@gnar.cool>2019-11-16 15:34:50 -0800
committergretchen <gretchen@gnar.cool>2019-11-16 15:35:04 -0800
commit8fcdea3150dd9442170ef8604a17430f445d7c23 (patch)
treea2edf48a336a75b6ddc1ff912aa400f951d7e72e
parent6233537417149704c252e77cd80e992539feb97b (diff)
downloadintervals-8fcdea3150dd9442170ef8604a17430f445d7c23.tar.gz
intervals-8fcdea3150dd9442170ef8604a17430f445d7c23.zip
first stab at parameters and midi out.
-rw-r--r--intervals.lua89
1 files changed, 74 insertions, 15 deletions
diff --git a/intervals.lua b/intervals.lua
index e74a575..8c8538d 100644
--- a/intervals.lua
+++ b/intervals.lua
@@ -12,11 +12,9 @@
-- 3) select base tone
-- 4) key signatures
-- 5) play from input
--- 6) midi out
--- 7) parameters
--- - delay,
--- - midi out y/n
--- - amplitude
+
+local ControlSpec = require "controlspec"
+-- TODO use MusicUtil
-- graphics and audio utilities
function midi_to_hz(note)
@@ -253,10 +251,7 @@ end
-- end mode library
-engine.name = 'PolyPerc'
-function play(hz)
- engine.hz(hz)
-end
+
function message (msgs, tick_fn, midi_fn)
@@ -352,7 +347,7 @@ end
function play_and_wait_2 (known, guess)
return {
init=function ()
- play(midi_to_hz(guess))
+ play(guess)
return state_redraw
end,
redraw=function()
@@ -387,7 +382,7 @@ function play_and_wait_1 (midi_note)
complete = nil
return {
init=function ()
- play(midi_to_hz(midi_note))
+ play(midi_note)
return state_redraw
end,
redraw=function()
@@ -463,18 +458,82 @@ intervals_state = {
},
}
+engine.name = 'PolyPerc'
+-- TODO fix globals here
+-- TODO note_on vs note_off
+-- TODO parameters for velocity and for note_off delay
+function play(note, once)
+ if intervals_state.play_audio then
+ engine.hz(midi_to_hz(note))
+ end
+ if intervals_state.play_midi then
+ -- if state.timer then
+ -- state.timer:stop()
+ -- metro.free(state.timer.id)
+ -- end
+ local t = metro.init()
+ t.time = 0.15
+ t.event = function(time)
+ t:stop()
+ metro.free(t.id)
+ intervals_state.midi_out:note_off(note, 32)
+ end
+ intervals_state.midi_out:note_on(note, 80)
+ t:start()
+ end
+end
+
function init()
- play(midi_to_hz(60))
-- initialize midi
- m = midi.connect()
- m.event = function (a)
+ -- TODO configure vport
+ intervals_state.midi_in = midi.connect(1)
+ intervals_state.midi_in.event = function (a)
b = midi.to_msg(a)
-- monitor
if b.type == "note_on" then
- play(midi_to_hz(b.note))
+ play(b.note, b.vel)
end
state_call(intervals_state, "midi", {b})
end
+ intervals_state.midi_out = midi.connect(2)
+
+ -- TODO save
+ params:add({
+ type = "option",
+ id = "output",
+ name = "Output",
+ options = {"play + midi", "play", "midi"},
+ action = function(value)
+ if value == 1 then
+ intervals_state.play_midi = true
+ intervals_state.play_audio = true
+ end
+ if value == 2 then
+ intervals_state.play_midi = false
+ intervals_state.play_audio = true
+ end
+ if value == 3 then
+ intervals_state.play_midi = true
+ intervals_state.play_audio = false
+ end
+ end
+ })
+ params:add({
+ type = "control",
+ id = "wait",
+ name = "Wait Time",
+ default=60,
+ controlspec = ControlSpec.new(0.0001, 3, 'lin', 0.1, 1.0, "secs"),
+ action = function(value)
+ intervals_state.tick_interval = value
+ if intervals_state.timer then
+ intervals_state.timer.time = value
+ end
+ end})
+ params:bang()
+
+ play(60)
+
end
function cleanup()