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passersby.lua
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passersby.lua
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-- Passersby
-- 1.2.0 @markeats
-- llllllll.co/t/passersby
--
-- MIDI or grid controlled West Coast
-- style mono synth.
--
-- E1/K2 : Change page
-- K3 : Change tab
-- E2/3 : Adjust parameters
--
local MusicUtil = require "musicutil"
local UI = require "ui"
local Graph = require "graph"
local EnvGraph = require "envgraph"
local Passersby = include("passersby/lib/passersby_engine")
local SCREEN_FRAMERATE = 15
local screen_refresh_metro
local screen_dirty = true
local midi_in_device
local active_notes = {}
local pages
local tabs
local tab_titles = {{"Wave", "FM"}, {"Env", "Reverb"}, {"LFO", "Targets"}, {"Fate"}}
local input_indicator_active = false
local wave_table = {}
local wave = {}
local wave_graph
local SUB_SAMPLING = 4
local fm1_dial
local fm2_dial
local env_graph
local env_status = {}
local env_status_metro
local spring_path = {}
local reverb_slider
local lfo_graph
local dice_throw_vel = 0
local dice_throw_progress = 0
local dice_thrown = false
local dice_need_update = false
local dice = {}
local drift_dial
local timbre = 0
local wave_shape = {actual = 0, modu = 0, dirty = true}
local wave_folds = {actual = 0, modu = 0, dirty = true}
local fm1_amount = {actual = 0, modu = 0, dirty = true}
local fm2_amount = {actual = 0, modu = 0, dirty = true}
local attack = {actual = 0, modu = 0, dirty = true}
local peak = {actual = 0, modu = 1, dirty = true}
local decay = {actual = 0, modu = 0, dirty = true}
local reverb_mix = {actual = 0, modu = 0, dirty = true}
local lfo_shape = {dirty = true}
local lfo_freq = {dirty = true}
local lfo_destinations = {dirty = true}
local drift = {actual = 0, dirty = true}
engine.name = "Passersby"
-- Utilities
local function generate_wave_table(cycles, length)
local wave_table = {{},{},{},{}}
for sx = 1, length do
local x = util.linlin(1, length, 0, cycles, sx)
local square = math.abs(x * 2 % 2 - 1) - 0.5
square = square > 0 and 0.5 or math.floor(square) * 0.5
table.insert(wave_table[1], math.sin(x * 2 * math.pi)) -- Sine
table.insert(wave_table[2], math.abs((x * 2 - 0.5) % 2 - 1) * 2 - 1) -- Tri
table.insert(wave_table[3], square) -- Square
table.insert(wave_table[4], (1 - (x + 0.25) % 1) * 2 - 1) -- Saw
end
return wave_table
end
local function generate_wave(x)
x = util.round(x)
local index_f = wave_shape.actual * (#wave_table - 1) + 1
local index = util.round(index_f)
local delta = index_f - index
local index_offset = delta < 0 and -1 or 1
local y
-- Wave table lookup
if delta == 0 then
y = wave_table[index][x]
else
y = wave_table[index + index_offset][x] * math.abs(delta) + wave_table[index][x] * (1 - math.abs(delta))
end
-- Wave folding
y = y * (1 + wave_folds.actual)
local abs_y = math.abs(y)
if abs_y > 1 then
local folded = abs_y % 1
if math.floor(abs_y - 1) % 2 == 0 then
folded = 1 - folded
else
folded = folded
end
folded = folded * 2 - 1
if y < 0 then folded = folded * -1 end
y = folded
end
return y
end
local function generate_spring_path(width, height, turns)
local spring_path = {}
for y = 0, height - 1 do
local progress = util.linlin(0, height - 1, 0, math.pi * turns * 2, y)
table.insert(spring_path, {x = width * 0.5 + math.sin(progress) * width * 0.5, y = y})
end
return spring_path
end
local function generate_lfo_wave(x)
local lfo_shape = params:get("lfo_shape")
x = x * util.linlin(Passersby.specs.LFO_FREQ.minval, Passersby.specs.LFO_FREQ.maxval, 0.5, 10, params:get("lfo_freq"))
if lfo_shape == 1 then -- Tri
x = math.abs((x * 2 - 0.5) % 2 - 1) * 2 - 1
elseif lfo_shape == 2 then -- Ramp
x = ((x + 0.25) % 1) * 2 - 1
elseif lfo_shape == 3 then -- Square
x = math.abs(x * 2 % 2 - 1) - 0.5
x = x > 0 and 1 or math.floor(x)
elseif lfo_shape == 4 then -- Random
local NOISE = {0.7, -0.65, 0.2, 0.9, -0.1, -0.5, 0.7, -0.9, 0.25, 1.0, -0.6, -0.2, 0.6, -0.35, 0.7, 0.1, -0.5, 0.7, 0.2, -0.85, -0.3}
x = NOISE[util.round(x * 2) + 1]
end
return x * 0.75
end
local function update_lfo_amounts_list()
lfo_amounts_list.entries = {
util.round(params:get("lfo_to_freq_amount") * 100, 1),
util.round(params:get("lfo_to_wave_shape_amount") * 100, 1),
util.round(params:get("lfo_to_wave_folds_amount") * 100, 1),
util.round(params:get("lfo_to_fm_low_amount") * 100, 1),
util.round(params:get("lfo_to_fm_high_amount") * 100, 1),
util.round(params:get("lfo_to_attack_amount") * 100, 1),
util.round(params:get("lfo_to_peak_amount") * 100, 1),
util.round(params:get("lfo_to_decay_amount") * 100, 1),
util.round(params:get("lfo_to_reverb_mix_amount") * 100, 1)
}
end
local function randomize_dice()
for i = 1, 2 do
local direction = 0
if dice[i] then
direction = (dice[i].top_angle - dice[i].table_angle > 0) and 1 or -1
end
dice[i] = {}
dice[i].face = math.random(6)
dice[i].top_angle = 1 + math.random() * 2
if math.random() > 0.5 then dice[i].top_angle = dice[i].top_angle * -1 end
dice[i].table_angle = math.random() * 0.5 - 0.25 + (2 * math.pi * direction)
end
end
local function set_dice_throw_vel(vel_delta)
dice_throw_vel = util.clamp(dice_throw_vel + vel_delta, -0.35, 0.3)
dice_need_update = true
end
local function start_env_status_timeout(status_text, x, y)
env_status.text = status_text
env_status.x, env_status.y = x, y
if env_status_metro.is_running then
env_status_metro:stop()
end
env_status_metro:start(1, 1)
end
local function update_tabs()
wave_graph:set_active(tabs.index == 1)
env_graph:set_active(tabs.index == 1 or params:get("env_type") == 2)
lfo_graph:set_active(tabs.index == 1)
if tabs.index == 2 then env_status.text = "" end
lfo_destinations_list.active = tabs.index == 2
lfo_amounts_list.active = tabs.index == 2
fm1_dial.active = tabs.index == 2
fm2_dial.active = tabs.index == 2
screen_dirty = true
end
local function update_pages()
tabs:set_index(1)
tabs.titles = tab_titles[pages.index]
env_status.text = ""
lfo_destinations_list:set_index(1)
lfo_amounts_list:set_index(1)
update_tabs()
end
local function init_env_graph(env_type)
if env_type == 1 then
env_graph = EnvGraph.new_ar(0, 1, 0, 1, 0.003, util.explin(Passersby.specs.DECAY.minval * 0.5, Passersby.specs.DECAY.maxval, 0, 1, decay.actual), util.explin(Passersby.specs.PEAK.minval * 0.5, Passersby.specs.PEAK.maxval, 0, 1, peak.actual), -4)
else
env_graph = EnvGraph.new_asr(0, 1, 0, 1, util.explin(Passersby.specs.ATTACK.minval, Passersby.specs.ATTACK.maxval, 0, 0.4, attack.actual), util.explin(Passersby.specs.DECAY.minval, Passersby.specs.DECAY.maxval, 0, 0.4, decay.actual), 1, -4)
end
env_graph:set_position_and_size(8, 22, 49, 36)
env_graph:set_show_x_axis(true)
end
-- Engine functions
local function note_on(note_num, vel)
engine.noteOn(note_num, MusicUtil.note_num_to_freq(note_num), vel)
table.insert(active_notes, note_num)
input_indicator_active = true
screen_dirty = true
end
local function note_off(note_num)
engine.noteOff(note_num)
for i = #active_notes, 1, -1 do
if active_notes[i] == note_num then
table.remove(active_notes, i)
end
end
if #active_notes == 0 then
input_indicator_active = false
screen_dirty = true
end
end
local function set_pitch_bend(bend_st)
engine.pitchBendAll(MusicUtil.interval_to_ratio(bend_st))
end
local function set_channel_pressure(pressure)
engine.pressureAll(pressure)
end
local function set_channel_timbre(value)
engine.timbreAll(value)
timbre = value * 0.5
wave_folds.dirty = true
end
-- Updaters
local function update_wave_shape()
wave_shape.actual = util.clamp(params:get("wave_shape") + wave_shape.modu, Passersby.specs.WAVE_SHAPE.minval, Passersby.specs.WAVE_SHAPE.maxval)
wave_graph:update_functions()
wave_shape.dirty = false
screen_dirty = true
end
local function update_wave_folds()
wave_folds.actual = util.clamp(params:get("wave_folds") + timbre + wave_folds.modu, Passersby.specs.WAVE_FOLDS.minval, Passersby.specs.WAVE_FOLDS.maxval + 0.5)
wave_graph:update_functions()
wave_folds.dirty = false
screen_dirty = true
end
local function update_fm1_amount()
fm1_amount.actual = util.clamp(params:get("fm_low_amount") + fm1_amount.modu, Passersby.specs.FM_LOW_AMOUNT.minval, Passersby.specs.FM_LOW_AMOUNT.maxval)
fm1_dial.value = fm1_amount.actual * 100
fm1_amount.dirty = false
screen_dirty = true
end
local function update_fm2_amount()
fm2_amount.actual = util.clamp(params:get("fm_high_amount") + fm2_amount.modu, Passersby.specs.FM_HIGH_AMOUNT.minval, Passersby.specs.FM_HIGH_AMOUNT.maxval)
fm2_dial.value = fm2_amount.actual * 100
fm2_amount.dirty = false
screen_dirty = true
end
local function update_attack()
attack.actual = util.clamp(params:get("attack") + attack.modu, Passersby.specs.ATTACK.minval, Passersby.specs.ATTACK.maxval)
if params:get("env_type") == 2 then
local norm_attack = util.explin(Passersby.specs.ATTACK.minval, Passersby.specs.ATTACK.maxval, 0, 0.4, attack.actual)
env_graph:edit_asr(norm_attack)
end
attack.dirty = false
screen_dirty = true
end
local function show_attack_status()
if params:get("env_type") == 2 then
local norm_attack = util.explin(Passersby.specs.ATTACK.minval, Passersby.specs.ATTACK.maxval, 0, 0.4, params:get("attack") + attack.modu)
local norm_peak = util.explin(Passersby.specs.PEAK.minval * 0.5, Passersby.specs.PEAK.maxval, 0, 1, params:get("peak") * peak.modu)
local y
if norm_peak > 0.6 then y = 46 else y = util.linlin(0, 1, 52, 18, norm_peak) end
start_env_status_timeout(params:string("attack"), 38, y)
screen_dirty = true
end
end
local function update_peak()
peak.actual = util.clamp(params:get("peak") * peak.modu, Passersby.specs.PEAK.minval, Passersby.specs.PEAK.maxval)
local norm_peak = util.explin(Passersby.specs.PEAK.minval * 0.5, Passersby.specs.PEAK.maxval, 0, 1, peak.actual)
if params:get("env_type") == 1 then
env_graph:edit_ar(nil, nil, norm_peak)
else
env_graph:edit_asr(nil, nil, norm_peak)
end
peak.dirty = false
screen_dirty = true
end
local function show_peak_status()
local norm_peak = util.explin(Passersby.specs.PEAK.minval * 0.5, Passersby.specs.PEAK.maxval, 0, 1, params:get("peak") * peak.modu)
if params:get("env_type") == 1 then
start_env_status_timeout(params:string("peak"), 57, util.linlin(0, 1, 56, 26, norm_peak))
else
start_env_status_timeout(params:string("peak"), 45, util.linlin(0, 1, 52, 18, norm_peak))
end
screen_dirty = true
end
local function update_decay()
decay.actual = util.clamp(params:get("decay") + decay.modu, Passersby.specs.DECAY.minval, Passersby.specs.DECAY.maxval)
if params:get("env_type") == 1 then
local norm_decay = util.explin(Passersby.specs.DECAY.minval * 0.5, Passersby.specs.DECAY.maxval, 0, 1, decay.actual)
env_graph:edit_ar(nil, norm_decay)
else
local norm_decay = util.explin(Passersby.specs.DECAY.minval, Passersby.specs.DECAY.maxval, 0, 0.4, decay.actual)
env_graph:edit_asr(nil, norm_decay)
end
decay.dirty = false
screen_dirty = true
end
local function show_decay_status()
local norm_decay
if params:get("env_type") == 1 then
norm_decay = util.explin(Passersby.specs.DECAY.minval * 0.5, Passersby.specs.DECAY.maxval, 0, 0.4, params:get("decay") + decay.modu)
start_env_status_timeout(params:string("decay"), util.linlin(0, 1, 38, 80, norm_decay), 48)
else
norm_decay = util.explin(Passersby.specs.DECAY.minval, Passersby.specs.DECAY.maxval, 0.4, 0, params:get("decay") + decay.modu)
local norm_peak = util.explin(Passersby.specs.PEAK.minval * 0.5, Passersby.specs.PEAK.maxval, 0, 1, params:get("peak") * peak.modu)
local y
if norm_peak > 0.6 then y = 53 else y = util.linlin(0, 1, 52, 18, norm_peak) end
start_env_status_timeout(params:string("decay"), util.linlin(0, 1, 39, 74, norm_decay), y)
end
screen_dirty = true
end
local function update_reverb_mix()
reverb_mix.actual = util.clamp(params:get("reverb_mix") + reverb_mix.modu, Passersby.specs.REVERB_MIX.minval, Passersby.specs.REVERB_MIX.maxval)
reverb_slider.value = reverb_mix.actual
reverb_mix.dirty = false
screen_dirty = true
end
local function update_lfo_shape()
lfo_graph:update_functions()
lfo_shape.dirty = false
screen_dirty = true
end
local function update_lfo_freq()
lfo_graph:update_functions()
lfo_freq.dirty = false
screen_dirty = true
end
local function update_lfo_destinations()
update_lfo_amounts_list()
lfo_destinations.dirty = false
screen_dirty = true
end
local function update_drift()
drift_dial.value = params:get("drift") * 100
drift.dirty = false
screen_dirty = true
end
-- Input functions
-- Encoder input
function enc(n, delta)
if n == 1 then
-- Page scroll
pages:set_index_delta(util.clamp(delta, -1, 1), false)
update_pages()
end
if pages.index == 1 then
if tabs.index == 1 then
-- Wave
if n == 2 then
params:delta("wave_shape", delta)
elseif n == 3 then
params:delta("wave_folds", delta)
end
else
-- FM
if n == 2 then
params:delta("fm_low_amount", delta)
elseif n == 3 then
params:delta("fm_high_amount", delta)
end
end
elseif pages.index == 2 then
if tabs.index == 1 then
-- LPG
if n == 2 then
if params:get("env_type") == 1 then
params:delta("peak", delta)
else
params:delta("attack", delta)
end
elseif n == 3 then
if params:get("env_type") == 1 then
params:delta("decay", delta)
else
params:delta("decay", -delta)
end
end
else
-- Peak
if n == 2 and params:get("env_type") == 2 then
params:delta("peak", delta)
-- Reverb
elseif n == 3 then
params:delta("reverb_mix", delta)
end
end
elseif pages.index == 3 then
if tabs.index == 1 then
-- LFO
if n == 2 then
params:delta("lfo_shape", util.clamp(delta, -1, 1))
elseif n == 3 then
params:delta("lfo_freq", delta)
end
else
-- LFO scroll lists
if n == 2 then
lfo_destinations_list:set_index_delta(util.clamp(delta, -1, 1), false)
lfo_amounts_list:set_index(lfo_destinations_list.index)
screen_dirty = true
-- LFO amounts
elseif n == 3 then
if lfo_destinations_list.index == 1 then
params:delta("lfo_to_freq_amount", delta)
elseif lfo_destinations_list.index == 2 then
params:delta("lfo_to_wave_shape_amount", delta)
elseif lfo_destinations_list.index == 3 then
params:delta("lfo_to_wave_folds_amount", delta)
elseif lfo_destinations_list.index == 4 then
params:delta("lfo_to_fm_low_amount", delta)
elseif lfo_destinations_list.index == 5 then
params:delta("lfo_to_fm_high_amount", delta)
elseif lfo_destinations_list.index == 6 then
params:delta("lfo_to_attack_amount", delta)
elseif lfo_destinations_list.index == 7 then
params:delta("lfo_to_peak_amount", delta)
elseif lfo_destinations_list.index == 8 then
params:delta("lfo_to_decay_amount", delta)
elseif lfo_destinations_list.index == 9 then
params:delta("lfo_to_reverb_mix_amount", delta)
end
end
end
elseif pages.index == 4 then
-- Randomize
if n == 2 then
if not dice_thrown then set_dice_throw_vel(delta * 0.05) end
-- Drift
elseif n == 3 then
params:delta("drift", delta)
end
end
end
-- Key input
function key(n, z)
if z == 1 then
if n == 2 then
pages:set_index_delta(1, true)
update_pages()
elseif n == 3 then
tabs:set_index_delta(1, true)
update_tabs()
end
end
end
-- MIDI input
local function midi_event(data)
local msg = midi.to_msg(data)
local channel_param = params:get("midi_channel")
if channel_param == 1 or (channel_param > 1 and msg.ch == channel_param - 1) then
-- Note on
if msg.type == "note_on" then
note_on(msg.note, msg.vel / 127)
-- Note off
elseif msg.type == "note_off" then
note_off(msg.note)
-- Pitch bend
elseif msg.type == "pitchbend" then
local bend_st = (util.round(msg.val / 2)) / 8192 * 2 -1 -- Convert to -1 to 1
set_pitch_bend(bend_st * params:get("bend_range"))
-- Pressure
elseif msg.type == "channel_pressure" or msg.type == "key_pressure" then
set_channel_pressure(msg.val / 127)
end
end
end
-- Grid input
local function grid_key(x, y, z)
local note_num = util.clamp(((7 - y) * 5) + x + 33, 0, 127)
if z == 1 then
note_on(note_num, 0.8)
grid_device:led(x, y, 15)
else
note_off(note_num)
grid_device:led(x, y, 0)
end
grid_device:refresh()
end
-- Init
function init()
screen.aa(1)
midi_in_device = midi.connect(1)
midi_in_device.event = midi_event
grid_device = grid.connect(1)
grid_device.key = grid_key
-- Add params
params:add_separator("Input")
params:add{type = "number", id = "midi_device", name = "MIDI Device", min = 1, max = 4, default = 1, action = function(value)
midi_in_device.event = nil
midi_in_device = midi.connect(value)
midi_in_device.event = midi_event
end}
local channels = {"All"}
for i = 1, 16 do table.insert(channels, i) end
params:add{type = "option", id = "midi_channel", name = "MIDI Channel", options = channels}
params:add{type = "number", id = "bend_range", name = "Pitch Bend Range", min = 1, max = 48, default = 2}
params:add{type = "number", id = "grid_device", name = "Grid Device", min = 1, max = 4, default = 1,
action = function(value)
grid_device:all(0)
grid_device:refresh()
grid_device.key = nil
grid_device = grid.connect(value)
grid_device.key = grid_key
grid_dirty = true
end}
Passersby.add_params()
-- Override param actions
params:set_action("wave_shape", function(value)
engine.waveShape(value)
wave_shape.dirty = true
end)
params:set_action("wave_folds", function(value)
engine.waveFolds(value)
wave_folds.dirty = true
end)
params:set_action("fm_low_amount", function(value)
engine.fm1Amount(value)
fm1_amount.dirty = true
end)
params:set_action("fm_high_amount", function(value)
engine.fm2Amount(value)
fm2_amount.dirty = true
end)
params:set_action("env_type", function(value)
engine.envType(value - 1)
init_env_graph(value)
tab_titles[2][1] = params:string("env_type")
if value == 1 then
tab_titles[2][2] = "Reverb"
else
tab_titles[2][2] = "Peak/Reverb"
end
if pages.index == 2 then
tabs.titles = tab_titles[2]
update_tabs()
screen_dirty = true
end
end)
params:set_action("attack", function(value)
engine.attack(value)
if pages.index == 2 then show_attack_status() end
attack.dirty = true
end)
params:set_action("peak", function(value)
engine.peak(value)
if pages.index == 2 then show_peak_status() end
peak.dirty = true
end)
params:set_action("decay", function(value)
engine.decay(value)
if pages.index == 2 then show_decay_status() end
decay.dirty = true
end)
params:set_action("reverb_mix", function(value)
engine.reverbMix(value)
reverb_mix.dirty = true
end)
params:set_action("lfo_shape", function(value)
engine.lfoShape(value - 1)
lfo_shape.dirty = true
end)
params:set_action("lfo_freq", function(value)
engine.lfoFreq(value)
lfo_freq.dirty = true
end)
params:set_action("lfo_to_freq_amount", function(value)
engine.lfoToFreqAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_wave_shape_amount", function(value)
engine.lfoToWaveShapeAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_wave_folds_amount", function(value)
engine.lfoToWaveFoldsAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_fm_low_amount", function(value)
engine.lfoToFm1Amount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_fm_high_amount", function(value)
engine.lfoToFm2Amount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_attack_amount", function(value)
engine.lfoToAttackAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_peak_amount", function(value)
engine.lfoToPeakAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_decay_amount", function(value)
engine.lfoToDecayAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("lfo_to_reverb_mix_amount", function(value)
engine.lfoToReverbMixAmount(value)
lfo_destinations.dirty = true
end)
params:set_action("drift", function(value)
engine.drift(value)
drift.dirty = true
end)
wave_shape.actual = params:get("wave_shape")
wave_folds.actual = params:get("wave_folds")
fm1_amount.actual = params:get("fm_low_amount")
fm2_amount.actual = params:get("fm_high_amount")
attack.actual = params:get("attack")
peak.actual = params:get("peak")
decay.actual = params:get("decay")
reverb_mix.actual = params:get("reverb_mix")
-- Init UI
pages = UI.Pages.new(1, 4)
tab_titles[2][1] = params:string("env_type")
tabs = UI.Tabs.new(1, tab_titles[pages.index])
fm1_dial = UI.Dial.new(72, 19, 22, fm1_amount.actual * 100, 0, 100, 1)
fm2_dial = UI.Dial.new(97, 34, 22, fm2_amount.actual * 100, 0, 100, 1)
reverb_slider = UI.Slider.new(102, 22, 3, 36, reverb_mix.actual, 0, 1, {0.5})
lfo_destinations_list = UI.ScrollingList.new(71, 18, 1, {"Freq", "Shape", "Folds", "FM Low", "FM High", "Attack", "Peak", "Decay", "Reverb"})
lfo_destinations_list.num_visible = 4
lfo_destinations_list.num_above_selected = 0
lfo_destinations_list.active = false
lfo_amounts_list = UI.ScrollingList.new(120, 18)
lfo_amounts_list.num_visible = 4
lfo_amounts_list.num_above_selected = 0
lfo_amounts_list.text_align = "right"
lfo_amounts_list.active = false
update_lfo_amounts_list()
drift_dial = UI.Dial.new(85, 28, 22, params:get("drift") * 100, 0, 100, 1)
-- Init graphs
wave_graph = Graph.new(0, 2, "lin", -1, 1, "lin", nil, true, false)
wave_graph:set_position_and_size(8, 22, 49, 36)
wave_table = generate_wave_table(2, wave_graph:get_width() * SUB_SAMPLING)
local wave_func = function(x)
return generate_wave(util.linlin(0, 2, 1, wave_graph:get_width() * SUB_SAMPLING, x))
end
wave_graph:add_function(wave_func, SUB_SAMPLING)
init_env_graph(params:get("env_type"))
lfo_graph = Graph.new(0, 1, "lin", -1, 1, "lin", nil, true, false)
lfo_graph:set_position_and_size(8, 18, 49, 36)
lfo_graph:add_function(generate_lfo_wave, SUB_SAMPLING)
env_status.text = ""
env_status.x, env_status.y = 0, 0
env_status_metro = metro.init()
env_status_metro.event = function()
env_status.text = ""
screen_dirty = true
end
spring_path = generate_spring_path(10, 36, 5)
randomize_dice()
-- Init polls
local wave_shape_poll = poll.set("waveShapeMod", function(value)
if wave_shape.modu ~= value then
wave_shape.modu = value
wave_shape.dirty = true
end
end)
wave_shape_poll:start()
local wave_folds_poll = poll.set("waveFoldsMod", function(value)
if wave_folds.modu ~= value then
wave_folds.modu = value
wave_folds.dirty = true
end
end)
wave_folds_poll:start()
local fm1_amount_poll = poll.set("fm1AmountMod", function(value)
if fm1_amount.modu ~= value then
fm1_amount.modu = value
fm1_amount.dirty = true
end
end)
fm1_amount_poll:start()
local fm2_amount_poll = poll.set("fm2AmountMod", function(value)
if fm2_amount.modu ~= value then
fm2_amount.modu = value
fm2_amount.dirty = true
end
end)
fm2_amount_poll:start()
local attack_poll = poll.set("attackMod", function(value)
if attack.modu ~= value then
attack.modu = value
attack.dirty = true
end
end)
attack_poll:start()
local peak_poll = poll.set("peakMulMod", function(value)
if peak.modu ~= value then
peak.modu = value
peak.dirty = true
end
end)
peak_poll:start()
local decay_poll = poll.set("decayMod", function(value)
if decay.modu ~= value then
decay.modu = value
decay.dirty = true
end
end)
decay_poll:start()
local reverb_mix_poll = poll.set("reverbMixMod", function(value)
if reverb_mix.modu ~= value then
reverb_mix.modu = value
reverb_mix.dirty = true
end
end)
reverb_mix_poll:start()
-- Start drawing to screen
screen_refresh_metro = metro.init()
screen_refresh_metro.event = function()
update()
if screen_dirty then
screen_dirty = false
redraw()
end
end
screen_refresh_metro:start(1 / SCREEN_FRAMERATE)
end
-- Draw functions
local function rotate(x, y, center_x, center_y, angle_rads)
local sin_a = math.sin(angle_rads)
local cos_a = math.cos(angle_rads)
x = x - center_x
y = y - center_y
return (x * cos_a - y * sin_a) + center_x, (x * sin_a + y * cos_a) + center_y
end
local function draw_input_indicator()
screen.level(4)
screen.move(0, 1)
screen.line(5, 1)
screen.line(2.5, 4)
screen.close()
screen.fill()
end
local function draw_background_rects()
screen.level(1)
screen.rect(8, 18, 49, 44)
screen.fill()
screen.rect(71, 18, 49, 44)
screen.fill()
end
local function draw_spring(x, y, active)
screen.move(x + spring_path[1].x + 0.5, y + spring_path[1].y + 0.5)
for i = 2, #spring_path do
screen.line(x + spring_path[i].x + 0.5, y + spring_path[i].y + 0.5)
end
if active then
screen.level(15)
screen.line_width(0.7)
else
screen.level(5)
end
screen.stroke()
screen.line_width(1)
end
local function draw_die(x, y, rotation_rads, face)
screen.level(15)
local size = 9
screen.move(rotate(x - size + 0.5, y - size + 0.5, x, y, rotation_rads))
screen.line(rotate(x + size - 0.5, y - size + 0.5, x, y, rotation_rads))
screen.line(rotate(x + size - 0.5, y + size - 0.5, x, y, rotation_rads))
screen.line(rotate(x - size + 0.5, y + size - 0.5, x, y, rotation_rads))
screen.close()
screen.stroke()
local dot_size = 1
local dx, dy
if face == 1 then
dot_size = 1.5
dx, dy = rotate(x, y, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
elseif face == 2 then
dx, dy = rotate(x + 3, y - 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 3, y + 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
elseif face == 3 then
dx, dy = rotate(x + 4, y - 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x, y, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 4, y + 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
elseif face == 4 then
dx, dy = rotate(x - 3, y - 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 3, y - 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 3, y + 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 3, y + 3, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
elseif face == 5 then
dx, dy = rotate(x, y, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 4, y - 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 4, y - 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 4, y + 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 4, y + 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
elseif face == 6 then
dx, dy = rotate(x - 3, y - 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 3, y - 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 3, y, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 3, y, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x - 3, y + 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
dx, dy = rotate(x + 3, y + 4, x, y, rotation_rads)
screen.circle(dx, dy, dot_size)
screen.fill()
end
end
local function draw_dice()
draw_die(20, util.linlin(0, 1, 32, 17, dice_throw_progress), util.linlin(0, 1, dice[1].table_angle, dice[1].top_angle, dice_throw_progress), dice[1].face)