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May 28, 2020 23:07
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-- softcut study 3: cut | |
-- | |
-- E2 fade time | |
-- E3 metro time (random cut) | |
file = _path.dust.."/code/softcut-studies/lib/whirl1.aif" | |
fade_time = 0.01 | |
metro_time = 1.0 | |
positions = {0,0,0,0} | |
m = metro.init() | |
m.time = metro_time | |
m.event = function() | |
for i=1,4 do | |
--softcut.position(i,1+math.random(8)*0.25) | |
end | |
end | |
function update_positions(i,pos) | |
positions[i] = pos - 1 | |
print(i,pos) | |
softcut.position(1,positions[1]) | |
redraw() | |
end | |
function init() | |
softcut.buffer_clear() | |
softcut.buffer_read_mono(file,0,1,-1,0,0) --FIXME: ch is 0-indexed | |
for i=1,4 do | |
softcut.enable(i,1) | |
softcut.buffer(i,1) | |
softcut.level(i,1.0) | |
softcut.pan(i,(i-2.5)*0.5) | |
softcut.rate(i,0) | |
softcut.loop(i,0) | |
softcut.loop_start(i,1) | |
softcut.loop_end(i,3) | |
softcut.position(i,1) | |
softcut.play(i,1) | |
softcut.fade_time(i,fade_time) | |
softcut.phase_quant(i,0.125) | |
end | |
softcut.event_phase(update_positions) | |
softcut.poll_start_phase() | |
m:start() | |
end | |
function enc(n,d) | |
if n == 1 then | |
softcut.rate(1, d) | |
elseif n==2 then | |
fade_time = util.clamp(fade_time+d/100,0,1) | |
for i=1,4 do | |
softcut.fade_time(i,fade_time) | |
end | |
elseif n==3 then | |
metro_time = util.clamp(metro_time+d/8,0.125,4) | |
m.time = metro_time | |
end | |
redraw() | |
end | |
function redraw() | |
screen.clear() | |
screen.move(10,20) | |
screen.line_rel(positions[1]*8,0) | |
screen.move(40,20) | |
screen.line_rel(positions[2]*8,0) | |
screen.move(70,20) | |
screen.line_rel(positions[3]*8,0) | |
screen.move(100,20) | |
screen.line_rel(positions[4]*8,0) | |
screen.stroke() | |
screen.move(10,40) | |
screen.text("fade time:") | |
screen.move(118,40) | |
screen.text_right(string.format("%.2f",fade_time)) | |
screen.move(10,50) | |
screen.text("metro time:") | |
screen.move(118,50) | |
screen.text_right(string.format("%.2f",metro_time)) | |
screen.update() | |
end |
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