Finished DSP implementation of the RndWk node
This commit is contained in:
Weird Constructor
parent
25fffde4eb
commit
c65ca730b1
4 changed files with 178 additions and 206 deletions
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@ -811,7 +811,7 @@ impl<F: Flt> DelayBuffer<F> {
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let data = &self.data[..];
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let data = &self.data[..];
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let len = data.len();
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let len = data.len();
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let s_offs = (delay_time_ms * self.srate) / f(1000.0);
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let s_offs = (delay_time_ms * self.srate) / f(1000.0);
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let offs = s_offs.floor().to_usize().unwrap() % len;
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let offs = s_offs.floor().to_usize().unwrap_or(0) % len;
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let fract = s_offs.fract();
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let fract = s_offs.fract();
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let i = (self.wr + len) - offs;
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let i = (self.wr + len) - offs;
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@ -829,7 +829,7 @@ impl<F: Flt> DelayBuffer<F> {
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let data = &self.data[..];
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let data = &self.data[..];
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let len = data.len();
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let len = data.len();
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let s_offs = (delay_time_ms * self.srate) / f(1000.0);
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let s_offs = (delay_time_ms * self.srate) / f(1000.0);
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let offs = s_offs.floor().to_usize().unwrap() % len;
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let offs = s_offs.floor().to_usize().unwrap_or(0) % len;
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let fract = s_offs.fract();
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let fract = s_offs.fract();
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let i = (self.wr + len) - offs;
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let i = (self.wr + len) - offs;
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@ -862,7 +862,7 @@ impl<F: Flt> DelayBuffer<F> {
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let offs =
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let offs =
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((delay_time_ms * self.srate)
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((delay_time_ms * self.srate)
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/ f(1000.0))
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/ f(1000.0))
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.floor().to_usize().unwrap() % len;
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.floor().to_usize().unwrap_or(0) % len;
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let idx = ((self.wr + len) - offs) % len;
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let idx = ((self.wr + len) - offs) % len;
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self.data[idx]
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self.data[idx]
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}
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}
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@ -45,7 +45,7 @@ mod node_tslfo;
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#[allow(non_upper_case_globals)]
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#[allow(non_upper_case_globals)]
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mod node_pverb;
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mod node_pverb;
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#[allow(non_upper_case_globals)]
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#[allow(non_upper_case_globals)]
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mod node_rndwlk;
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mod node_rndwk;
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pub mod biquad;
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pub mod biquad;
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pub mod tracker;
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pub mod tracker;
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@ -106,7 +106,7 @@ use node_biqfilt::BiqFilt;
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use node_comb::Comb;
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use node_comb::Comb;
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use node_tslfo::TsLfo;
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use node_tslfo::TsLfo;
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use node_pverb::PVerb;
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use node_pverb::PVerb;
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use node_rndwlk::RndWlk;
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use node_rndwk::RndWk;
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pub const MIDI_MAX_FREQ : f32 = 13289.75;
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pub const MIDI_MAX_FREQ : f32 = 13289.75;
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@ -754,12 +754,12 @@ macro_rules! node_list {
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(1 trig n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(1 trig n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(2 rev n_id d_id r_id f_def stp_d 0.0, 1.0, 0.5)
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(2 rev n_id d_id r_id f_def stp_d 0.0, 1.0, 0.5)
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[0 sig],
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[0 sig],
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rndwlk => RndWlk UIType::Generic UICategory::Mod
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rndwk => RndWk UIType::Generic UICategory::Mod
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(0 trig n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(0 trig n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(1 step n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(1 step n_id d_id r_id f_def stp_d 0.0, 1.0, 0.2)
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(2 offs n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(2 offs n_id d_id r_id f_def stp_d -1.0, 1.0, 0.0)
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(3 min n_id d_id r_id f_def stp_d 0.0, 1.0, 0.0)
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(3 min n_id d_id r_id f_def stp_d 0.0, 1.0, 0.0)
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(4 max n_id d_id r_id f_def stp_d 0.0, 1.0, 0.0)
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(4 max n_id d_id r_id f_def stp_d 0.0, 1.0, 1.0)
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(5 slewt n_ftmz d_ftmz r_fmz f_ms stp_m 0.0, 1.0, 10.0)
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(5 slewt n_ftmz d_ftmz r_fmz f_ms stp_m 0.0, 1.0, 10.0)
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[0 sig],
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[0 sig],
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delay => Delay UIType::Generic UICategory::Signal
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delay => Delay UIType::Generic UICategory::Signal
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170
src/dsp/node_rndwk.rs
Normal file
170
src/dsp/node_rndwk.rs
Normal file
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@ -0,0 +1,170 @@
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// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
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// See README.md and COPYING for details.
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use crate::nodes::{NodeAudioContext, NodeExecContext};
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use crate::dsp::helpers::{Rng, Trigger};
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use crate::dsp::{
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NodeId, SAtom, ProcBuf, DspNode, LedPhaseVals, NodeContext,
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GraphAtomData, GraphFun,
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};
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/// A triggered random walker
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#[derive(Debug, Clone)]
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pub struct RndWk {
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sr_ms: f32,
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rng: Rng,
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target: f32,
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target_inc: f32,
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slew_count: u64,
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current: f32,
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trig: Trigger,
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}
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impl RndWk {
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pub fn new(nid: &NodeId) -> Self {
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let mut rng = Rng::new();
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rng.seed(
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(0x193a67f4a8a6d769_u64).wrapping_add(
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0x262829 * (nid.instance() as u64 + 1)));
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Self {
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rng,
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sr_ms: 44100.0 / 1000.0,
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target: 0.0,
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target_inc: 0.0,
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slew_count: 0,
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current: 0.0,
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trig: Trigger::new(),
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}
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}
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pub const trig : &'static str =
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"RndWk trig\n\n\nRange: (-1..1)";
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pub const step : &'static str =
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"RndWk step\n\nRange: (-1..1)";
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pub const offs : &'static str =
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"RndWk offs\n\nRange: (-1..1)";
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pub const min : &'static str =
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"RndWk min\n\nRange: (0..1)";
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pub const max : &'static str =
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"RndWk max\n\nRange: (0..1)";
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pub const slewt : &'static str =
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"RndWk slewt\n\nRange: (0..1)";
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pub const sig : &'static str =
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"RndWk sig\nOscillator output\nRange: (-1..1)\n";
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pub const DESC : &'static str =
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r#"Random Walker
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"#;
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pub const HELP : &'static str =
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r#"RndWk - Random Walker
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"#;
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}
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impl DspNode for RndWk {
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fn outputs() -> usize { 1 }
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fn set_sample_rate(&mut self, srate: f32) {
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self.sr_ms = srate / 1000.0;
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}
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fn reset(&mut self) {
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self.target = 0.0;
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self.current = 0.0;
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self.target_inc = 0.0;
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self.slew_count = 0;
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self.trig.reset();
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}
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#[inline]
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fn process<T: NodeAudioContext>(
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&mut self, ctx: &mut T, _ectx: &mut NodeExecContext,
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_nctx: &NodeContext,
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atoms: &[SAtom], inputs: &[ProcBuf],
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outputs: &mut [ProcBuf], ctx_vals: LedPhaseVals)
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{
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use crate::dsp::{out, inp, denorm, denorm_offs, at};
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let trig = inp::RndWk::trig(inputs);
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let step = inp::RndWk::step(inputs);
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let offs = inp::RndWk::offs(inputs);
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let min = inp::RndWk::min(inputs);
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let max = inp::RndWk::max(inputs);
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let slewt = inp::RndWk::slewt(inputs);
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let out = out::RndWk::sig(outputs);
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for frame in 0..ctx.nframes() {
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if self.trig.check_trigger(denorm::RndWk::trig(trig, frame)) {
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let mut min = denorm::RndWk::min(min, frame).clamp(0.0, 1.0);
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let mut max = denorm::RndWk::max(max, frame).clamp(0.0, 1.0);
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if min > max {
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std::mem::swap(&mut min, &mut max);
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}
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let delta = (max - min).clamp(0.0001, 1.0);
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let step = denorm::RndWk::step(step, frame).clamp(-1.0, 1.0);
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let offs = denorm::RndWk::offs(offs, frame).clamp(-1.0, 1.0);
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self.target =
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self.current
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+ ((self.rng.next() * 2.0 * step) - step)
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+ offs;
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self.target = ((self.target - min) % delta).abs() + min;
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let slew_time_ms = denorm::RndWk::slewt(slewt, frame);
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if slew_time_ms < 0.01 {
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self.current = self.target;
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self.slew_count = 0;
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} else {
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let slew_samples = slew_time_ms * self.sr_ms;
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self.slew_count = slew_samples as u64;
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self.target_inc = (self.target - self.current) / slew_samples;
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}
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}
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if self.slew_count > 0 {
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self.current += self.target_inc;
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self.slew_count -= 1;
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} else {
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self.target_inc = 0.0;
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self.current = self.target;
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}
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out.write(frame, self.current);
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}
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ctx_vals[0].set(out.read(ctx.nframes() - 1));
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}
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// fn graph_fun() -> Option<GraphFun> {
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// let mut osc = VPSOscillator::new(0.0);
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// let israte = 1.0 / 128.0;
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//
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// Some(Box::new(move |gd: &dyn GraphAtomData, init: bool, _x: f32, _xn: f32| -> f32 {
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// if init {
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// osc.reset();
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// }
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//
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// let v = NodeId::RndWk(0).inp_param("v").unwrap().inp();
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// let vs = NodeId::RndWk(0).inp_param("vs").unwrap().inp();
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// let d = NodeId::RndWk(0).inp_param("d").unwrap().inp();
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// let damt = NodeId::RndWk(0).inp_param("damt").unwrap().inp();
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// let dist = NodeId::RndWk(0).inp_param("dist").unwrap().inp();
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//
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// let v = gd.get_denorm(v as u32).clamp(0.0, 1.0);
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// let d = gd.get_denorm(d as u32).clamp(0.0, 1.0);
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// let vs = gd.get_denorm(vs as u32).clamp(0.0, 20.0);
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// let damt = gd.get_denorm(damt as u32);
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// let dist = gd.get(dist as u32).map(|a| a.i()).unwrap_or(0);
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//
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// let v = VPSOscillator::limit_v(d, v + vs);
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// let s = osc.next(1.0, israte, d, v);
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// let s = apply_distortion(s, damt, dist as u8);
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//
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// (s + 1.0) * 0.5
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// }))
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// }
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}
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@ -1,198 +0,0 @@
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// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
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// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
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// See README.md and COPYING for details.
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use crate::nodes::{NodeAudioContext, NodeExecContext};
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use crate::dsp::helpers::Rng;
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use crate::dsp::{
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NodeId, SAtom, ProcBuf, DspNode, LedPhaseVals, NodeContext,
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GraphAtomData, GraphFun,
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};
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/// A triggered random walker
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#[derive(Debug, Clone)]
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pub struct RndWlk {
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israte_ms: f64,
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rng: Rng,
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target: f64,
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target_inc: f64,
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current: f64,
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}
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impl RndWlk {
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pub fn new(nid: &NodeId) -> Self {
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let mut rng = Rng::new();
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rng.seed(
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(0x193a67f4a8a6d769_u64).wrapping_add(
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0x262829 * (nid.instance() as u64 + 1)));
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Self {
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rng,
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israte_ms: 1.0 / 44100.0,
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target: 0.0,
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target_inc: 0.0,
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current: 0.0,
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}
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}
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pub const trig : &'static str =
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"RndWlk trig\n\n\nRange: (-1..1)";
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pub const step : &'static str =
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"RndWlk step\n\nRange: (-1..1)";
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pub const offs : &'static str =
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"RndWlk offs\n\nRange: (-1..1)";
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pub const min : &'static str =
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"RndWlk min\n\nRange: (0..1)";
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pub const max : &'static str =
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"RndWlk max\n\nRange: (0..1)";
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pub const slewt : &'static str =
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"RndWlk slewt\n\nRange: (0..1)";
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pub const sig : &'static str =
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"RndWlk sig\nOscillator output\nRange: (-1..1)\n";
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pub const DESC : &'static str =
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r#"Random Walker
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"#;
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pub const HELP : &'static str =
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r#"RndWlk - Random Walker
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"#;
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}
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impl DspNode for RndWlk {
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fn outputs() -> usize { 1 }
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fn set_sample_rate(&mut self, srate: f32) {
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self.israte_ms = (1.0 / (srate as f64)) / 1000.0;
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}
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fn reset(&mut self) {
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self.target = 0.0;
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self.current = 0.0;
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}
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#[inline]
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fn process<T: NodeAudioContext>(
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&mut self, ctx: &mut T, _ectx: &mut NodeExecContext,
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_nctx: &NodeContext,
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atoms: &[SAtom], inputs: &[ProcBuf],
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outputs: &mut [ProcBuf], ctx_vals: LedPhaseVals)
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{
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use crate::dsp::{out, inp, denorm, denorm_offs, at};
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// if trigger
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// - initialize target
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//
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// let min = min.clamp(0.0, 1.0);
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// let max = max.clamp(0.0, 1.0);
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// if min > max {
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// std::mem::swap(&mut min, &mut max);
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// }
|
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||||||
// let delta = (max - min).clamp(0.0001, 1.0);
|
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||||||
//
|
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||||||
// if self.trigger.check... {
|
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// let step = step.clamp(-1.0, 1.0);
|
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// let offs = offs.clamp(-1.0, 1.0);
|
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// self.target = self.rng.next() as f64 * step + offs;
|
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//
|
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// if slew_time_ms < 0.01 {
|
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// self.current = self.target;
|
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// self.current = ((self.current - min) % delta).abs() + min;
|
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// } else {
|
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// let slew_samples = slew_time_ms * self.israte_ms;
|
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// self.target_inc = self.target / slew_samples;
|
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// }
|
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// }
|
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//
|
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||||||
// if self.target_inc > 0.0 {
|
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// self.current += self.target_inc;
|
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// if (self.current - self.target).abs() < 0.00001 {
|
|
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// self.target_inc = 0.0;
|
|
||||||
// self.current = self.target;
|
|
||||||
// }
|
|
||||||
// self.current = ((self.current - min) % delta).abs() + min;
|
|
||||||
// }
|
|
||||||
|
|
||||||
// let freq = inp::RndWlk::freq(inputs);
|
|
||||||
// let det = inp::RndWlk::det(inputs);
|
|
||||||
// let d = inp::RndWlk::d(inputs);
|
|
||||||
// let v = inp::RndWlk::v(inputs);
|
|
||||||
// let vs = inp::RndWlk::vs(inputs);
|
|
||||||
// let damt = inp::RndWlk::damt(inputs);
|
|
||||||
let out = out::RndWlk::sig(outputs);
|
|
||||||
// let ovrsmpl = at::RndWlk::ovrsmpl(atoms);
|
|
||||||
// let dist = at::RndWlk::dist(atoms);
|
|
||||||
//
|
|
||||||
// let israte_ms = self.israte;
|
|
||||||
//
|
|
||||||
// let dist = dist.i() as u8;
|
|
||||||
// let oversample = ovrsmpl.i() == 1;
|
|
||||||
//
|
|
||||||
// let mut osc = &mut self.osc;
|
|
||||||
//
|
|
||||||
// if oversample {
|
|
||||||
// for frame in 0..ctx.nframes() {
|
|
||||||
// let freq = denorm_offs::RndWlk::freq(freq, det.read(frame), frame);
|
|
||||||
// let v = denorm::RndWlk::v(v, frame).clamp(0.0, 1.0);
|
|
||||||
// let d = denorm::RndWlk::d(d, frame).clamp(0.0, 1.0);
|
|
||||||
// let vs = denorm::RndWlk::vs(vs, frame).clamp(0.0, 20.0);
|
|
||||||
// let damt = denorm::RndWlk::damt(damt, frame).clamp(0.0, 1.0);
|
|
||||||
//
|
|
||||||
// let v = VPSOscillator::limit_v(d, v + vs);
|
|
||||||
//
|
|
||||||
// let overbuf = self.oversampling.resample_buffer();
|
|
||||||
// for b in overbuf {
|
|
||||||
// let s = osc.next(freq, israte, d, v);
|
|
||||||
// *b = apply_distortion(s, damt, dist);
|
|
||||||
// }
|
|
||||||
//
|
|
||||||
// out.write(frame, self.oversampling.downsample());
|
|
||||||
// }
|
|
||||||
//
|
|
||||||
// } else {
|
|
||||||
// for frame in 0..ctx.nframes() {
|
|
||||||
// let freq = denorm_offs::RndWlk::freq(freq, det.read(frame), frame);
|
|
||||||
// let v = denorm::RndWlk::v(v, frame).clamp(0.0, 1.0);
|
|
||||||
// let d = denorm::RndWlk::d(d, frame).clamp(0.0, 1.0);
|
|
||||||
// let vs = denorm::RndWlk::vs(vs, frame).clamp(0.0, 20.0);
|
|
||||||
// let damt = denorm::RndWlk::damt(damt, frame).clamp(0.0, 1.0);
|
|
||||||
//
|
|
||||||
// let v = VPSOscillator::limit_v(d, v + vs);
|
|
||||||
// let s = osc.next(freq, israte * (OVERSAMPLING as f32), d, v);
|
|
||||||
// let s = apply_distortion(s, damt, dist);
|
|
||||||
//
|
|
||||||
// out.write(frame, s);
|
|
||||||
// }
|
|
||||||
// }
|
|
||||||
|
|
||||||
ctx_vals[0].set(out.read(ctx.nframes() - 1));
|
|
||||||
}
|
|
||||||
|
|
||||||
// fn graph_fun() -> Option<GraphFun> {
|
|
||||||
// let mut osc = VPSOscillator::new(0.0);
|
|
||||||
// let israte = 1.0 / 128.0;
|
|
||||||
//
|
|
||||||
// Some(Box::new(move |gd: &dyn GraphAtomData, init: bool, _x: f32, _xn: f32| -> f32 {
|
|
||||||
// if init {
|
|
||||||
// osc.reset();
|
|
||||||
// }
|
|
||||||
//
|
|
||||||
// let v = NodeId::RndWlk(0).inp_param("v").unwrap().inp();
|
|
||||||
// let vs = NodeId::RndWlk(0).inp_param("vs").unwrap().inp();
|
|
||||||
// let d = NodeId::RndWlk(0).inp_param("d").unwrap().inp();
|
|
||||||
// let damt = NodeId::RndWlk(0).inp_param("damt").unwrap().inp();
|
|
||||||
// let dist = NodeId::RndWlk(0).inp_param("dist").unwrap().inp();
|
|
||||||
//
|
|
||||||
// let v = gd.get_denorm(v as u32).clamp(0.0, 1.0);
|
|
||||||
// let d = gd.get_denorm(d as u32).clamp(0.0, 1.0);
|
|
||||||
// let vs = gd.get_denorm(vs as u32).clamp(0.0, 20.0);
|
|
||||||
// let damt = gd.get_denorm(damt as u32);
|
|
||||||
// let dist = gd.get(dist as u32).map(|a| a.i()).unwrap_or(0);
|
|
||||||
//
|
|
||||||
// let v = VPSOscillator::limit_v(d, v + vs);
|
|
||||||
// let s = osc.next(1.0, israte, d, v);
|
|
||||||
// let s = apply_distortion(s, damt, dist as u8);
|
|
||||||
//
|
|
||||||
// (s + 1.0) * 0.5
|
|
||||||
// }))
|
|
||||||
// }
|
|
||||||
}
|
|
||||||
Loading…
Reference in a new issue