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#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 = 1.0 / engineGetSampleRate();
float pitch = params[PITCH_PARAM].value;
pitch += inputs[PITCH_INPUT].value;
pitch = clampf(pitch, -4.0, 4.0);
float freq = 200 * (powf(2.0, pitch) - powf(2.0, -4.0));
phase += freq * deltaTime;
while (phase >= 1.0)
phase -= 1.0;
float sine = sinf(2 * M_PI * phase);
float cosn = cosf(2 * M_PI * phase);
outputs[SIN_OUTPUT].value = sine * 5;
outputs[COS_OUTPUT].value = cosn * 5;
outputs[PHS_OUTPUT].value = phase * 5;
}
CircleVCOWidget::CircleVCOWidget() {
CircleVCO *module = new CircleVCO();
setModule(module);
setPanel(SVG::load(assetPlugin(plugin, "res/CircleVCO.svg")));
addChild(createScrew<ScrewSilver>(Vec(RACK_GRID_WIDTH, 0)));
addChild(createScrew<ScrewSilver>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, 0)));
addChild(createScrew<ScrewSilver>(Vec(RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
addChild(createScrew<ScrewSilver>(Vec(box.size.x - 2 * RACK_GRID_WIDTH, RACK_GRID_HEIGHT - RACK_GRID_WIDTH)));
PJ301MPort p;
Davies1900hBlackKnob 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(createParam<Davies1900hBlackKnob>(kcenter.plus(Vec(0, 90)), module, CircleVCO::PITCH_PARAM, 0.0, 1.0, 0.0));
addInput(createInput<PJ301MPort>(center.plus(Vec(0, 180)), module, CircleVCO::PITCH_INPUT));
addOutput(createOutput<PJ301MPort>(center.plus(Vec(-18, 250)), module, CircleVCO::SIN_OUTPUT));
addOutput(createOutput<PJ301MPort>(center.plus(Vec( 18, 250)), module, CircleVCO::COS_OUTPUT));
addOutput(createOutput<PJ301MPort>(center.plus(Vec(0, 315)), module, CircleVCO::PHS_OUTPUT));
}
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