1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
#include "s-ol.hpp"
struct CircleVCO : Module {
enum ParamIds {
PITCH_PARAM,
NUM_PARAMS
};
enum InputIds {
PITCH_INPUT,
NUM_INPUTS
};
enum OutputIds {
SIN_OUTPUT,
COS_OUTPUT,
PHS_OUTPUT,
NUM_OUTPUTS
};
enum LightIds {
NUM_LIGHTS
};
float phase = 0.0;
CircleVCO() : Module(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS) {}
void step() override;
};
void CircleVCO::step() {
float deltaTime = 1.0f / engineGetSampleRate();
float pitch = params[PITCH_PARAM].value;
pitch += inputs[PITCH_INPUT].value;
pitch = clamp(pitch, -4.0f, 4.0f);
float freq = 200.0f * (pow(2.0f, pitch) - powf(2.0f, -4.0f));
phase += freq * deltaTime;
while (phase >= 1.0f)
phase -= 1.0f;
float sine = sin(2.0f * M_PI * phase);
float cosn = cos(2.0f * M_PI * phase);
outputs[SIN_OUTPUT].value = sine * 5.0f;
outputs[COS_OUTPUT].value = cosn * 5.0f;
outputs[PHS_OUTPUT].value = phase * 5.0f;
}
struct CircleVCOWidget : ModuleWidget {
CircleVCOWidget(CircleVCO *module);
};
CircleVCOWidget::CircleVCOWidget(CircleVCO *module) : ModuleWidget(module) {
setPanel(SVG::load(assetPlugin(plugin, "res/CircleVCO.svg")));
addChild(Widget::create<ScrewSilver>(Vec(RACK_GRID_WIDTH, 0)));
addChild(Widget::create<ScrewSilver>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
PJ301MPort p;
RoundSmallBlackKnob k;
Vec center = Vec(box.size.x, 0).minus(p.box.size).div(2);
Vec kcenter = Vec(box.size.x, 0).minus(k.box.size).div(2);
addParam(ParamWidget::create<RoundSmallBlackKnob>(kcenter.plus(Vec(0, 90)), module, CircleVCO::PITCH_PARAM, 0.0, 1.0, 0.0));
addInput(Port::create<PJ301MPort>(center.plus(Vec(0, 144)), Port::INPUT, module, CircleVCO::PITCH_INPUT));
addOutput(Port::create<PJ301MPort>(center.plus(Vec(0, 218)), Port::OUTPUT, module, CircleVCO::SIN_OUTPUT));
addOutput(Port::create<PJ301MPort>(center.plus(Vec(0, 268)), Port::OUTPUT, module, CircleVCO::COS_OUTPUT));
addOutput(Port::create<PJ301MPort>(center.plus(Vec(0, 318)), Port::OUTPUT, module, CircleVCO::PHS_OUTPUT));
}
Model *modelCircleVCO = Model::create<CircleVCO, CircleVCOWidget>("s-ol", "CircleVCO", "Circle VCO", OSCILLATOR_TAG, VISUAL_TAG);
|
